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changes.mady.by.user Armin Rest

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ObjectQualityFlags values

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for column qualityFlag in table

...

ObjectThin

These values are also listed in the system metadata table ObjectQualityFlags.

Flag name	Flag value in hexadecimal form	Flag value in decimal form	Description of the flag
DEFAULT	0x00000000	0	Initial value; resets all bits.
QF_OBJ_EXT	0x00000001	1	Extended in our data (eg, PS).
QF_OBJ_EXT_ALT	0x00000002	2	Extended in external data (eg, 2MASS).
QF_OBJ_GOOD	0x00000004	4	Good-quality measurement in our data (eg,PS).
QF_OBJ_GOOD_ALT	0x00000008	8	Good-quality measurement in external data (eg, 2MASS).
QF_OBJ_GOOD_STACK	0x00000010	16	good-quality object in the stack (> 1 good stack measurement)
QF_OBJ_BEST_STACK	0x00000020	32	the primary stack measurements are the best measurements.
QF_OBJ_SUSPECT_STACK	0x00000040	64	suspect object in the stack (no more than 1 good measurement, 2 or more suspect or good stack measurement).
QF_OBJ_BAD_STACK	0x00000080	128	poor-quality stack object (no more than 1 good or suspect measurement).

ObjectInfoFlags values

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for column objInfoFlag in table

...

ObjectThin

These values are also listed in the system metadata table ObjectInfoFlags.

Flag name	Flag value in hexadecimal form	Flag value in decimal form	Description of the flag
DEFAULT	0x00000000	0	Initial value; resets all bits.
FEW	0x00000001	1	Used within relphot; skip star.
POOR	0x00000002	2	Used within relphot; skip star.
ICRF_QSO	0x00000004	4	object IDed with known ICRF quasar (may have ICRF position measurement)
HERN_QSO_P60	0x00000008	8	identified as likely QSO (Hernitschek et al 2015), P_QSO >= 0.60
HERN_QSO_P05	0x00000010	16	identified as possible QSO (Hernitschek et al 2015), P_QSO >= 0.05
HERN_RRL_P60	0x00000020	32	identified as likely RR Lyra (Hernitschek et al 2015), P_RRLyra >= 0.60
HERN_RRL_P05	0x00000040	64	identified as possible RR Lyra (Hernitschek et al 2015), P_RRLyra >= 0.05
HERN_VARIABLE	0x00000080	128	identified as a variable based on ChiSq (Hernitschek et al 2015)
TRANSIENT	0x00000100	256	identified as a non-periodic (stationary) transient
HAS_SOLSYS_DET	0x00000200	512	at least one detection identified with a known solar-system object (asteroid or other).
MOST_SOLSYS_DET	0x00000400	1024	most detections identified with a known solar-system object (asteroid or other).
LARGE_PM	0x00000800	2048	star with large proper motion
RAW_AVE	0x00001000	4096	simple weighted average position was used (no IRLS fitting)
FIT_AVE	0x00002000	8192	average position was fitted
FIT_PM	0x00004000	16384	proper motion model was fitted
FIT_PAR	0x00008000	32768	parallax model was fitted
USE_AVE	0x00010000	65536	average position used (not PM or PAR)
USE_PM	0x00020000	131072	proper motion used (not AVE or PAR)
USE_PAR	0x00040000	262144	parallax used (not AVE or PM)
NO_MEAN_ASTROM	0x00080000	524288	mean astrometry could not be measured
STACK_FOR_MEAN	0x00100000	1048576	stack position used for mean astrometry
MEAN_FOR_STACK	0x00200000	2097152	mean astrometry used for stack position
BAD_PM	0x00400000	4194304	failure to measure proper-motion model
EXT	0x00800000	8388608	extended in our data (eg, PS)
EXT_ALT	0x01000000	16777216	extended in external data (eg, 2MASS)
GOOD	0x02000000	33554432	good-quality measurement in our data (eg,PS)
GOOD_ALT	0x04000000	67108864	good-quality measurement in external data (eg, 2MASS)
GOOD_STACK	0x08000000	134217728	good-quality object in the stack (> 1 good stack measurement)
BEST_STACK	0x10000000	268435456	the primary stack measurements are the best measurements
SUSPECT_STACK	0x20000000	536870912	suspect object in the stack (no more than 1 good measurement, 2 or more suspect or good stack measurement)
BAD_STACK	0x40000000	1073741824	poor-quality stack object (no more than 1 good or suspect measurement)

Column XinfoFlag (X one of g,r,i,z,y) in StackObjectThin, values also listed in system table DetectionFlags.

AstrometryCorrectionFlags values for column astrometryCorrectionFlag in table ObjectThin

These values are also listed in the system metadata table AstrometryCorrectionFlags.

Flag name	Flag value in hexadecimal form	Flag value in decimal form	Description of the flag
AC_CORRECTED	0x00000001	1	Astrometry Corrected using Gaia EDR3.
AC_DCR	0x00000002	2	DIfferential Chromatic Aberration Correction was performed.
AC_PM	0x00000004	4	Proper Motions were calculated.
DEFAULT	0x00000000	0	Initial value; resets all bits.

ObjectFilterFlags values, e.g., column gFlags in table MeanObject

These values are also listed in the system metadata table ObjectFilterFlags.

Flag name

Flag Name

	Flag value in hexadecimal form	Flag value in decimal form	Description of the flag
DEFAULT	0x00000000	0	Initial value; resets all bits.

PSFMODEL

SECF_STAR_FEW

0x00000001

Source fitted with a psf model (linear or non-linear).EXTMODEL

Used within relphot: skip star.
SECF_STAR_POOR	0x00000002	2

Source fitted with an extended-source model.FITTED

Used within relphot: skip star.
SECF_USE_SYNTH	0x00000004	4

Source fitted with non-linear model (PSF or EXT; good or bad).FAIL

Synthetic photometry used in average measurement.
SECF_USE_UBERCAL	0x00000008	8

Fit (non-linear) failed (non-converge\; off-edge\; run to zero).

Ubercal photometry used in average measurement.
SECF_HAS_PS1	0x00000010	16	PS1 photometry used in average measurement.
SECF_HAS_PS1_STACK	0x00000020	32	PS1 stack photometry exists.
SECF_HAS_TYCHO

POOR0x0000001016Fit succeeds\; but low-S/N\; high-Chisq\; or large (for PSF -- drop?).PAIR0x0000002032Source fitted with a double PSF.PSFSTAR

0x00000040

Source used to define PSF model.SATSTAR

Tycho photometry used for synthetic magnitudes.
SECF_FIX_SYNTH	0x00000080	128

Source model peak is above saturation.BLEND

Synthetic magnitudes repaired with zeropoint map.
SECF_RANK_0	0x00000100	256

Source is a blend with other sources.EXTERNAL

Average magnitude uses only rank 0 detections.
SECF_RANK_1	0x00000200	512

Source based on supplied input position.BADPSF

Average magnitude uses only rank 1 detections.
SECF_RANK_2	0x00000400	1024

Failed to get good estimate of object's PSF.

Average magnitude uses only rank 2 detections.

SECF_RANK_3

DEFECT

0x00000800

2048

Source is thought to be a defect.SATURATED

Average magnitude uses only rank 3 detections.
SECF_RANK_4	0x00001000	4096

Source is thought to be saturated pixels (bleed trail).

Average magnitude uses only rank 4 detections.

SECF_STACK_PRIMARY

CR_LIMIT0x000020008192Source has crNsigma above limit.EXT_LIMIT

0x00004000

16384

Source has extNsigma above limit.MOMENTS_FAILURE

PS1 stack photometry comes from primary skycell.
SECF_STACK_BESTDET	0x00008000	32768

Could not measure the moments.

PS1 stack best measurement is a detection (not forced).

SECF_STACK_PRIMDET

SKY_FAILURE

0x00010000

65536

Could not measure the local sky.SKYVAR_FAILURE0x00020000131072Could not measure the local sky variance.BELOW_MOMENTS_SN0x00040000262144Moments not measured due to low S/N.UNDEF_10x00080000524288Unused bit value.BIG_RADIUS0x001000001048576Poor moments for small radius\; try large radius.AP_MAGS

PS1 stack primary measurement is a detection (not forced).
SECF_HAS_SDSS	0x00100000	1048576	This photcode has SDSS photometry.
SECF_HAS_HSC	0x00200000	2097152

Source has an aperture magnitude

This photcode has HSC photometry.

BLEND

SECF_HAS_

FIT

CFH

0x00400000

4194304

Source was fitted as a blend.

This photcode has CFH photometry (mostly Megacam).

SECF_HAS_DES

EXTENDED_FIT

0x00800000

8388608

Full extended fit was used

This photcode has DES photometry.

EXTENDED

SECF_OBJ_

STATS

EXT

0x01000000

16777216

Extended

aperture stats calculated.LINEAR_FIT0x0200000033554432Source fitted with the linear fit.NONLINEAR_FIT0x0400000067108864Source fitted with the non-linear fit.RADIAL_FLUX0x08000000134217728Radial flux measurements calculated.SIZE_SKIPPED0x10000000268435456Size could not be determined.PEAK_ON_SPIKE0x20000000536870912Peak lands on diffraction spike.PEAK_ON_GHOST0x400000001073741824Peak lands on ghost or glint.PEAK_OFF_CHIP0x800000002147483648Peak lands off edge of chip.

in this band.

ForcedGalaxyShapeFlags values, e.g., column gGalFlags in table ForcedGalaxyShape

These values are also listed in the system metadata table ForcedGalaxyShapeFlags.

Flag name	Flag value in hexadecimal form	Flag value in decimal form	Description of the flag
NO_ERROR	0x00000000	0	No error condition raised.
FAIL_FIT	0x00000001	1	Fit failed to converge or was degenerate
TOO_FEW	0x00000002	2	Not enough points to fit the model
OUT_OF_RANGE	0x00000004	4	Fit minimum too far outside data range
BAD_ERROR	0x00000008	8	Invalid size error (nan or inf)

Content

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Old Version 6

New Version Current

Key

ObjectQualityFlags values

for column qualityFlag in table

ObjectThin

ObjectInfoFlags values

for column objInfoFlag in table

ObjectThin

Column XinfoFlag (X one of g,r,i,z,y) in StackObjectThin, values also listed in system table DetectionFlags.

AstrometryCorrectionFlags values for column astrometryCorrectionFlag in table ObjectThin

ObjectFilterFlags values, e.g., column gFlags in table MeanObject

ForcedGalaxyShapeFlags values, e.g., column gGalFlags in table ForcedGalaxyShape

Column XinfoFlag (X one of g,r,i,z,y) in StackObjectThin

Column XinfoFlag2 (X one of g,r,i,z,y) in StackObjectThin

See DetectionFlags2 in PS1 Detection Flags

Column XinfoFlag3 (X one of g,r,i,z,y) in StackObjectThin

See DetectionFlags3 in PS1 Detection Flags