Details

Type: Verification

Status: Not Covered

Priority: Undefined

Resolution: Unresolved

Component/s: DM

Labels:

Requirement ID:DMSREQ0359

Requirement Text:
Specification: The DMS shall include software to enable the calculation of the photometric performance metrics defined in OSSREQ0387.

Requirement Parameters:
[GhostAF = 1[percent] Percentage of image area that can have ghosts with surface brightness gradient amplitude of more than 1/3 of the sky noise over 1 arcsec., PF1 = 10[percent] The maximum fraction of isolated nonsaturated point source measurements exceeding the outlier limit., PA1gri = 5[millimagnitude] The RMS photometric repeatability of bright nonsaturated unresolved point sources in the g, r, and i filters., PA3 = 10[millimagnitude] RMS width of internal photometric zeropoint (precision of system uniformity across the sky) for all bands except uband., PA4 = 15[millimagnitude] The zero point error outlier limit., PF2 = 10[percent] Fraction of zeropoint errors that can exceed the zero point error outlier limit., PixFrac = 1[percent] The maximum fraction of pixels scientifically unusable per sensor out of the total allowable fraction of sensors meeting this performance., PA1uzy = 7.5[millimagnitude] The RMS photometric repeatability of bright nonsaturated unresolved point sources in the u, z, and y filters., PA6 = 10[millimagnitude] Accuracy of the transformation of the internal LSST photometry to a physical scale (e.g. AB magnitudes)., Xtalk = 3[sigma] The maximum local significance integrated over the PSF of imperfect crosstalk corrections., PA5u = 10[millimagnitude] Accuracy of absolute bandtoband color zeropoint for colors constructed using the uband., ResSource = 2[unitless] Maximum RMS of the ratio of the error in integrated flux measurement between bright, isolated, resolved sources less than 10 arcsec in diameter and bright, isolated unresolved point sources., PA2uzy = 22.5[millimagnitude] Repeatability outlier limit for isolated bright nonsaturated point sources in the u, z, and y filters., SensorFraction = 15[percent] The maximum allowable fraction of sensors with PixFrac scientifically unusable pixels., PA3u = 20[millimagnitude] RMS width of internal photometric zeropoint (precision of system uniformity across the sky) in the uband., PA2gri = 15[millimagnitude] Repeatability outlier limit for isolated bright nonsaturated point sources in the g, r, and i filters., SBPrec = 1[percent] The maximum error in the precision of the sky brightness determination., PA5 = 5[millimagnitude] Accuracy of absolute bandtoband color zeropoint for all colors constructed from any filter pair, excluding the uband.]

Requirement Discussion:
Discussion: The relevant metrics are listed in the table photometricPerformance below. The values in the tables are the target values for LSST but are not verified as part of this requirement.

Higher Level Requirement:
OSSREQ0387: 01 Photometric Performance

Verification Method:Undefined

Success Criteria:

Percentage of Test Passing:0.0%

SubComponent:Science
Description
The distribution width (rms) of the internal photometric zeropoint error (the system stability across the sky) will not exceed PA3 millimag, and no more than PF2 % of the distribution will exceed PA4 = 15 millimag. (This VE is for PA4.)
Attachments
Key  Summary  Status  Method  Verification Requirement  Success Criteria  Test Cases  % Tests Passed  Verified By  


LVV3401  Not Covered  Undefined  The RMS photometric repeatability of bright nonsaturated unresolved point sources in the u, z, and y filters shall be less than PA1uzy = 7.5 millimagnitudes. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT1756: Verify calculation of photometric repeatability in uzy filters  0.0% 



LVV9751  DMSREQ0359V02: Max fraction of sensors with excess unusable pixels 
Not Covered  Undefined  The maximum allowable fraction of sensors with PixFrac > 1 percent scientifically unusable pixels shall be SensorFraction = 15 percent. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1847: Verify calculation of sensor fraction with unusable pixels 
0.0% 



LVV9752  DMSREQ0359V03: Max fraction of outliers among nonsaturated sources 
Not Covered  Undefined  The maximum fraction of isolated nonsaturated point source measurements exceeding the outlier limit shall be less than PF1 = 10 percent. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT1758: Verify calculation of photometric outliers in uzy bands, LVVT1759: Verify calculation of photometric outliers in gri bands 
50.0% 



LVV9753  DMSREQ0359V04: Accuracy of zero point for colors with uband 
Not Covered  Undefined  The accuracy of absolute bandtoband color zeropoints for all colors constructed from any filter pair, including the uband shall be less than PA5u = 10 millimagnitudes. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1846: Verify calculation of bandtoband color zeropoint accuracy including uband 
0.0% 



LVV9754  Not Covered  Undefined  The repeatability outlier limit for isolated bright nonsaturated point sources in the g, r, and i filters shall be less than PA2gri = 15 millimagnitudes. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT1759: Verify calculation of photometric outliers in gri bands  100.0% 



LVV9755  Not Covered  Undefined  The accuracy of the transformation of internal LSST photometry to a physical scale (e.g. AB magnitudes) shall be less than PA6 = 10 millimagnitudes. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1845: Verify accuracy of photometric transformation to physical scale 
0.0% 



LVV9756  Not Covered  Undefined  The RMS width of internal photometric zeropoint (precision of system uniformity across the sky) in the uband shall be less than PA3u = 20 millimagnitudes. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1844: Verify calculation of uband photometric zeropoint RMS 
0.0% 



LVV9757  Not Covered  Undefined  The maximum local significance integrated over the PSF of imperfect crosstalk corrections shall be less than Xtalk = 3 sigma. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1843: Verify calculation of significance of imperfect crosstalk corrections 
0.0% 



LVV9758  Not Covered  Undefined  The repeatability outlier limit for isolated bright nonsaturated point sources in the u, z, and y filters shall be less than PA2uzy = 22.5 millimagnitudes. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT1758: Verify calculation of photometric outliers in uzy bands  0.0% 



LVV9759  Not Covered  Undefined  The RMS photometric repeatability of bright nonsaturated unresolved point sources in the g, r, and i filters must be less than PA1gri = 5 millimagnitudes. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT1757: Verify calculation of photometric repeatability in gri filters  100.0% 



LVV9760  Not Covered  Undefined  The fraction of zeropoint errors that can exceed the zero point error outlier limit is less than PF2 = 10 percent. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1842: Verify calculation of zeropoint error fraction exceeding the outlier limit 
0.0% 



LVV9761  DMSREQ0359V12: Max fraction of unusable pixels per sensor 
Not Covered  Undefined  The maximum fraction of pixels scientifically unusable per sensor out of the total allowable fraction of sensors meeting this performance shall be PixFrac = 1 percent. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1841: Verify calculation of scientifically unusable pixel fraction 
0.0% 



LVV9762  Not Covered  Undefined  The maximum error in the precision of the sky brightness determination shall be less than SBPrec = 1 percent. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1840: Verify calculation of sky brightness precision 
0.0% 



LVV9763  DMSREQ0359V14: RMS width of zero point in all bands except u 
Not Covered  Undefined  The RMS width of the internal photometric zeropoint (precision of system uniformity across the sky) for all bands except uband shall be less than PA3 = 10 millimagnitudes. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1839: Verify calculation of RMS width of photometric zeropoint 
0.0% 



LVV9764  Not Covered  Undefined  The percentage of image area that has ghosts with surface brightness gradient amplitude of more than 1/3 of the sky noise over 1 arcsec shall be less than GhostAF = 1 percent. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1838: Verify calculation of image fraction affected by ghosts 
0.0% 



LVV9765  DMSREQ0359V16: Accuracy of zero point for colors without uband 
Not Covered  Undefined  The accuracy of absolute bandtoband color zeropoints for all colors constructed from any filter pair, excluding the uband, shall be less than PA5 = 5 millimagnitudes. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V17 (LVV9766) satisfies the maximum RMS of the ratio of the flux measurement error between resolved/unresolved sources. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1837: Verify calculation of bandtoband color zeropoint accuracy 
0.0% 



LVV9766  DMSREQ0359V17: Max RMS of resolved/unresolved flux ratio 
Not Covered  Undefined  The maximum RMS of the ratio of the error in integrated flux measurement between bright, isolated, resolved sources less than 10 arcsec in diameter and bright, isolated unresolved point sources shall be less than ResSource = 2. Associated element DMSREQ0359V01 (LVV3401) satisfies the requirement on photometric repeatability in the u, z, and yband filters. Associated element DMSREQ0359V02 (LVV9751) satisfies the requirement on the maximum fraction of sensors with scientifically unusable pixels. Associated element DMSREQ0359V03 (LVV9752) satisfies the constraint on maximum fraction of outliers among nonsaturated point sources. Associated element DMSREQ0359V04 (LVV9753) satisfies the accuracy of zeropoint for colors that use the uband. Associated element DMSREQ0359V05 (LVV9754) satisfies the repeatability outlier limit in g, r, and ibands. Associated element DMSREQ0359V06 (LVV9755) satisfies the constraint on the accuracy of the transformation from internal to physical photometric scales. Associated element DMSREQ0359V07 (LVV9756) satisfies the rms width of the internal photometric zeropoint in uband. Associated element DMSREQ0359V08 (LVV9757) satisfies the maximum local significance of imperfect crosstalk corrections. Associated element DMSREQ0359V09 (LVV9758) satisfies the repeatability outlier limit in u, z, and ybands. Associated element DMSREQ0359V10 (LVV9759) satisfies the rms photometric repeatability in g, r, and ibands. Associated element DMSREQ0359V11 (LVV9760) satisfies the fraction of zeropoint errors that can exceed the outlier limit. Associated element DMSREQ0359V12 (LVV9761) satisfies the maximum fraction of unusable pixels per sensor. Associated element DMSREQ0359V13 (LVV9762) satisfies the maximum allowable precision in the sky brightness determination. Associated element DMSREQ0359V14 (LVV9763) satisfies the rms width of the internal photometric zeropoint in g, r, i, z, and ybands. Associated element DMSREQ0359V15 (LVV9764) satisfies the percentage of the image area affected by ghosts that exceed the threshold. Associated element DMSREQ0359V16 (LVV9765) satisfies the accuracy of zeropoint for colors that do not include the uband. 
Undefined 
LVVT377: Verify Calculation of Photometric Performance Metrics, LVVT1836: Verify calculation of resolvedtounresolved flux ratio errors 
0.0% 

Updated per LCR2004.