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ObjectQualityFlags values, e.g., column qualityFlag in table ObjectThin

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

Flag nameFlag value in hexadecimal formFlag value in decimal formDescription of the flag
DEFAULT0x000000000Initial value; resets all bits.
QF_OBJ_EXT0x000000011Extended in our data (eg, PS).
QF_OBJ_EXT_ALT0x000000022Extended in external data (eg, 2MASS).
QF_OBJ_GOOD0x000000044Good-quality measurement in our data (eg,PS).
QF_OBJ_GOOD_ALT0x000000088Good-quality measurement in external data (eg, 2MASS).
QF_OBJ_GOOD_STACK0x0000001016good-quality object in the stack (> 1 good stack measurement)
QF_OBJ_BEST_STACK0x0000002032the primary stack measurements are the best measurements.
QF_OBJ_SUSPECT_STACK0x0000004064suspect object in the stack (no more than 1 good measurement, 2 or more suspect or good stack measurement).
QF_OBJ_BAD_STACK0x00000080128poor-quality stack object (no more than 1 good or suspect measurement).

ObjectInfoFlags values, e.g., column objInfoFlag in table ObjectThin

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

 Flag nameFlag value in hexadecimal formFlag value in decimal formDescription of the flag
DEFAULT0x000000000Initial value; resets all bits.
FEW0x000000011Used within relphot; skip star.
POOR0x000000022Used within relphot; skip star.
ICRF_QSO0x000000044object IDed with known ICRF quasar (may have ICRF position measurement)
HERN_QSO_P600x000000088identified as likely QSO (Hernitschek et al 2015), P_QSO >= 0.60
HERN_QSO_P050x0000001016identified as possible QSO (Hernitschek et al 2015), P_QSO >= 0.05
HERN_RRL_P600x0000002032identified as likely RR Lyra (Hernitschek et al 2015), P_RRLyra >= 0.60
HERN_RRL_P050x0000004064identified as possible RR Lyra (Hernitschek et al 2015), P_RRLyra >= 0.05
HERN_VARIABLE0x00000080128identified as a variable based on ChiSq (Hernitschek et al 2015)
TRANSIENT0x00000100256identified as a non-periodic (stationary) transient
HAS_SOLSYS_DET0x00000200512at least one detection identified with a known solar-system object (asteroid or other).
MOST_SOLSYS_DET0x000004001024most detections identified with a known solar-system object (asteroid or other).
LARGE_PM0x000008002048star with large proper motion
RAW_AVE0x000010004096simple weighted average position was used (no IRLS fitting)
FIT_AVE0x000020008192average position was fitted
FIT_PM0x0000400016384proper motion model was fitted
FIT_PAR0x0000800032768parallax model was fitted
USE_AVE0x0001000065536average position used (not PM or PAR)
USE_PM0x00020000131072proper motion used (not AVE or PAR)
USE_PAR0x00040000262144parallax used (not AVE or PM)
NO_MEAN_ASTROM0x00080000524288mean astrometry could not be measured
STACK_FOR_MEAN0x001000001048576stack position used for mean astrometry
MEAN_FOR_STACK0x002000002097152mean astrometry used for stack position
BAD_PM0x004000004194304failure to measure proper-motion model
EXT0x008000008388608extended in our data (eg, PS)
EXT_ALT0x0100000016777216extended in external data (eg, 2MASS)
GOOD0x0200000033554432good-quality measurement in our data (eg,PS)
GOOD_ALT0x0400000067108864good-quality measurement in external data (eg, 2MASS)
GOOD_STACK0x08000000134217728good-quality object in the stack (> 1 good stack measurement)
BEST_STACK0x10000000268435456the primary stack measurements are the best measurements
SUSPECT_STACK0x20000000536870912suspect object in the stack (no more than 1 good measurement, 2 or more suspect or good stack measurement)
BAD_STACK0x400000001073741824poor-quality stack object (no more than 1 good or suspect measurement)

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

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

Flag name

Flag value in hexadecimal form

Flag value in decimal form

Description of the flag

DEFAULT

0x00000000

0

Initial value; resets all bits.

SECF_STAR_FEW

0x00000001

1

Used within relphot: skip star.

SECF_STAR_POOR

0x00000002

2

Used within relphot: skip star.

SECF_USE_SYNTH

0x00000004

4

Synthetic photometry used in average measurement.

SECF_USE_UBERCAL

0x00000008

8

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

0x00000040

64

Tycho photometry used for synthetic magnitudes.

SECF_FIX_SYNTH

0x00000080

128

Synthetic magnitudes repaired with zeropoint map.

SECF_RANK_0

0x00000100

256

Average magnitude uses only rank 0 detections.

SECF_RANK_1

0x00000200

512

Average magnitude uses only rank 1 detections.

SECF_RANK_2

0x00000400

1024

Average magnitude uses only rank 2 detections.

SECF_RANK_3

0x00000800

2048

Average magnitude uses only rank 3 detections.

SECF_RANK_4

0x00001000

4096

Average magnitude uses only rank 4 detections.

SECF_STACK_PRIMARY

0x00004000

16384

PS1 stack photometry comes from primary skycell.

SECF_STACK_BESTDET

0x00008000

32768

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

SECF_STACK_PRIMDET

0x00010000

65536

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

SECF_HAS_SDSS

0x00100000

1048576

This photcode has SDSS photometry.

SECF_HAS_HSC

0x00200000

2097152

This photcode has HSC photometry.

SECF_HAS_CFH

0x00400000

4194304

This photcode has CFH photometry (mostly Megacam).

SECF_HAS_DES

0x00800000

8388608

This photcode has DES photometry.

SECF_OBJ_EXT

0x01000000

16777216

Extended 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)

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

See DetectionFlags in PS1 Detection Flags

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

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