Ps1-flags
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PSPS flags
http://psps.ifa.hawaii.edu/PSI/query_page.php
PSI Query Page --> Quality Flag Tool --> Select Flag Table: --> DetectionFlags
DetectionFlags
DetectionFull.infoFlag contains two 8 digits flags so there is 16 digits in total.
DetectionFull.infoFlags and StackDetectionFull.infoFlag - Lower 32 bits (From smf/cmf FLAGS) DVO photflags --------------------------------------------- PM_SOURCE_MODE_DEFAULT = 0x00000000, ///< Initial value: resets all bits PM_SOURCE_MODE_PSFMODEL = 0x00000001, ///< Source fitted with a psf model (linear or non-linear) PM_SOURCE_MODE_EXTMODEL = 0x00000002, ///< Source fitted with an extended-source model PM_SOURCE_MODE_FITTED = 0x00000004, ///< Source fitted with non-linear model (PSF or EXT; good or bad) PM_SOURCE_MODE_FAIL = 0x00000008, ///< Fit (non-linear) failed (non-converge, off-edge, run to zero) PM_SOURCE_MODE_POOR = 0x00000010, ///< Fit succeeds, but low-SN, high-Chisq, or large (for PSF -- drop?) PM_SOURCE_MODE_PAIR = 0x00000020, ///< Source fitted with a double psf PM_SOURCE_MODE_PSFSTAR = 0x00000040, ///< Source used to define PSF model PM_SOURCE_MODE_SATSTAR = 0x00000080, ///< Source model peak is above saturation PM_SOURCE_MODE_BLEND = 0x00000100, ///< Source is a blend with other sources PM_SOURCE_MODE_EXTERNAL = 0x00000200, ///< Source based on supplied input position PM_SOURCE_MODE_BADPSF = 0x00000400, ///< Failed to get good estimate of object's PSF PM_SOURCE_MODE_DEFECT = 0x00000800, ///< Source is thought to be a defect PM_SOURCE_MODE_SATURATED = 0x00001000, ///< Source is thought to be saturated pixels (bleed trail) PM_SOURCE_MODE_CR_LIMIT = 0x00002000, ///< Source has crNsigma above limit PM_SOURCE_MODE_EXT_LIMIT = 0x00004000, ///< Source has extNsigma above limit PM_SOURCE_MODE_MOMENTS_FAILURE = 0x00008000, ///< could not measure the moments PM_SOURCE_MODE_SKY_FAILURE = 0x00010000, ///< could not measure the local sky PM_SOURCE_MODE_SKYVAR_FAILURE = 0x00020000, ///< could not measure the local sky variance PM_SOURCE_MODE_BELOW_MOMENTS_SN = 0x00040000, ///< moments not measured due to low S/N PM_SOURCE_MODE_BIG_RADIUS = 0x00100000, ///< poor moments for small radius, try large radius PM_SOURCE_MODE_AP_MAGS = 0x00200000, ///< source has an aperture magnitude PM_SOURCE_MODE_BLEND_FIT = 0x00400000, ///< source was fitted as a blend PM_SOURCE_MODE_EXTENDED_FIT = 0x00800000, ///< full extended fit was used PM_SOURCE_MODE_EXTENDED_STATS = 0x01000000, ///< extended aperture stats calculated PM_SOURCE_MODE_LINEAR_FIT = 0x02000000, ///< source fitted with the linear fit PM_SOURCE_MODE_NONLINEAR_FIT = 0x04000000, ///< source fitted with the non-linear fit PM_SOURCE_MODE_RADIAL_FLUX = 0x08000000, ///< radial flux measurements calculated PM_SOURCE_MODE_SIZE_SKIPPED = 0x10000000, ///< size could not be determined PM_SOURCE_MODE_ON_SPIKE = 0x20000000, ///< peak lands on diffraction spike PM_SOURCE_MODE_ON_GHOST = 0x40000000, ///< peak lands on ghost or glint PM_SOURCE_MODE_OFF_CHIP = 0x80000000, ///< peak lands off edge of chip --------------------------------------------- DetectionFull.infoFlag and StackDetectionFull.infoFlag - Upper 32 bits part 1 (From smf/cmf FLAGS2 shifted 32 bits left) Each value equals the following times 0x100000000 in PSPS i.e., DIFF_WITH_SINGLE = 0x00000001 x 0x100000000 = 0x00000001.00000000 PM_SOURCE_MODE2_DEFAULT = 0x00000000, ///< Initial value: resets all bits PM_SOURCE_MODE2_DIFF_WITH_SINGLE = 0x00000001, ///< diff source matched to a single positive detection PM_SOURCE_MODE2_DIFF_WITH_DOUBLE = 0x00000002, ///< diff source matched to positive detections in both images PM_SOURCE_MODE2_MATCHED = 0x00000004, ///< diff source matched to positive detections in both images PM_SOURCE_MODE2_ON_SPIKE = 0x00000008, ///< > 25% of (PSF-weighted) pixels land on diffraction spike PM_SOURCE_MODE2_ON_STARCORE = 0x00000010, ///< > 25% of (PSF-weighted) pixels land on starcore PM_SOURCE_MODE2_ON_BURNTOOL = 0x00000020, ///< > 25% of (PSF-weighted) pixels land on burntool PM_SOURCE_MODE2_ON_CONVPOOR = 0x00000040, ///< > 25% of (PSF-weighted) pixels land on convpoor PM_SOURCE_MODE2_PASS1_SRC = 0x00000080, ///< source detected in first pass analysis PM_SOURCE_MODE2_HAS_BRIGHTER_NEIGHBOR = 0x00000100, ///< peak is not the brightest in its footprint PM_SOURCE_MODE2_BRIGHT_NEIGHBOR_1 = 0x00000200, ///< flux_n / (r^2 flux_p) > 1 PM_SOURCE_MODE2_BRIGHT_NEIGHBOR_10 = 0x00000400, ///< flux_n / (r^2 flux_p) > 10 PM_SOURCE_MODE2_DIFF_SELF_MATCH = 0x00000800, ///< positive detection match is probably this source PM_SOURCE_MODE2_SATSTAR_PROFILE = 0x00001000, ///< saturated source is modeled with a radial profile --------------------------------------------- in PSPS times 0x200000000000 DetectionFull.infoFlag and StackDetectionFull - Upper bits part 2 - DVO Measure dbflags shifted left 45 bits) i.e., NOCAL = 0x00000001 x 0x200000000000 = 0x00002000.00000000 The following values are shown in DVO, one needs to transfer by the above equation. ID_MEAS_NOCAL = 0x00000001, // detection ignored for this analysis (photcode, time range) -- internal only ID_MEAS_POOR_PHOTOM = 0x00000002, // detection is photometry outlier ID_MEAS_SKIP_PHOTOM = 0x00000004, // detection was ignored for photometry measurement ID_MEAS_AREA = 0x00000008, // detection near image edge ID_MEAS_POOR_ASTROM = 0x00000010, // detection is astrometry outlier ID_MEAS_SKIP_ASTROM = 0x00000020, // detection was ignored for astrometry measurement ID_MEAS_USED_OBJ = 0x00000040, // detection was used during update objects ID_MEAS_USED_CHIP = 0x00000080, // detection was used during update chips (XXX this probably does not make it into the db) ID_MEAS_BLEND_MEAS = 0x00000100, // detection is within radius of multiple objects ID_MEAS_BLEND_OBJ = 0x00000200, // multiple detections within radius of object ID_MEAS_UNDEF_3 = 0x00000400, // unused ID_MEAS_UNDEF_4 = 0x00000800, // unused ID_MEAS_BLEND_MEAS_X = 0x00001000, // detection is within radius of multiple objects across catalogs ID_MEAS_ARTIFACT = 0x00002000, // detection is thought to be non-astronomical ID_MEAS_UNDEF_5 = 0x00004000, // unused ID_MEAS_PHOTOM_UBERCAL = 0x00008000, // externally-supplied zero point from ubercal analysis ID_MEAS_STACK_PRIMARY = 0x00010000, // externally-supplied zero point from ubercal analysis ID_MEAS_STACK_PHOT_SRC = 0x00020000, // this measurement supplied the stack photometry
ImageFlags
Value Name Description 0 NEW no relphot / relastro attempted 1 NOCAL used within relphot to mean 'don't apply fit' 2 POOR relphot says image is bad 4 SKIP external information image is bad 8 FEW currently too few measurements for good value
ObjectFilterFlags
==Secflags Value Name Description 1 SECF_STAR_FEW used within relphot: skip star 2 SECF_STAR_POOR used within relphot: skip star 4 SECF_USE_SYNTH synthetic photometry used in average measurement 8 SECF_USE_UBERCAL synthetic photometry used in average measurement 16 SECF_HAS_PS1 PS1 photometry used in average measurement 32 SECF_HAS_STACK PS1 stack photometry exists 256 PHOTOM_PASS_0 average magnitude calculated in 0th pass 512 PHOTOM_PASS_1 average magnitude calculated in 1th pass 1024 PHOTOM_PASS_2 average magnitude calculated in 2th pass 2048 PHOTOM_PASS_3 average magnitude calculated in 3th pass 4096 PHOTOM_PASS_4 average magnitude calculated in 4th pass 8192 PSPS_OBJ_EXT extended in this band (PSPS only)
From Gene? 0x0000.0100 : mean mag from pass 0 -- only 'good' measurements used 0x0000.0200 : mean mag from pass 1 -- also accept measurements flagged as'poor' by photometry analysis (but not 'bad') 0x0000.0400 : mean mag from pass 2 -- also accept measurements whichare internally determined to be outliers 0x0000.0800 : mean mag from pass 3 -- accept 'bad' measurements 0x0000.1000 : mean mag from pass 4 -- accept synthetic measurements
ObjectInfoFlags
==objflags Value Name Description -999 OBJ_SUSPECT_STACK suspect object in the stack (> 1 good or suspect stack, less tham 2 good) 1 FEW used within relphot: skip star 2 POOR used within relphot: skip star 65536 FIT_AVE average position fitted 131072 FIT_PM proper motion fitted 262144 FIT_PAR parallax fitted 524288 USE_AVE average position used (not PM or PAR) 1048576 USE_PM proper motion used (not AVE or PAR) 2097152 USE_PAR parallax used (not AVE or PM) 4194304 NO_ASTROM mean astrometry could not be measured 16777216 EXT extended in our data (eg, PS) 33554432 EXT_ALT extended in external data (eg, 2MASS) 67108864 GOOD good-quality measurement in our data (eg,PS) 134217728 GOOD_ALT good-quality measurement in external data (eg, 2MASS) 1073741824 OBJ_BAD_STACK bad-quality object in the stack (> 1 good stack)
ObjectQualityFlags
==objflags Value Name Description 1 QF_OBJ_EXT extended in our data (eg, PS) 2 QF_OBJ_EXT_ALT extended in external data (eg, 2MASS) 4 QF_OBJ_GOOD good-quality measurement in our data (eg,PS) 8 QF_OBJ_GOOD_ALT good-quality measurement in external data (eg, 2MASS) 16 QF_OBJ_GOOD_STACK good-quality object in the stack (> 1 good stack) 32 QF_OBJ_SUSPECT_STACK suspect object in the stack (> 1 good or suspect stack, less tham 2 good) 64 QF_OBJ_BAD_STACK good-quality object in the stack (> 1 good stack)
StackDetectionFlags
The same as DetectionFlags, but values instead. Value Name Description 0 DEFAULT Initial value: resets all bits 1 PSFMODEL Source fitted with a psf model (linear or non-linear) 2 EXTMODEL Source fitted with an extended-source model 4 FITTED Source fitted with non-linear model (PSF or EXT; good or bad) 8 FAIL Fit (non-linear) failed (non-converge, off-edge\; run to zero) 16 POOR Fit succeeds, but low-SN\; high-Chisq\; or large (for PSF -- drop?) 32 PAIR Source fitted with a double psf 64 PSFSTAR Source used to define PSF model 128 SATSTAR Source model peak is above saturation 256 BLEND Source is a blend with other sources 512 EXTERNAL Source based on supplied input position 1024 BADPSF Failed to get good estimate of object's PSF 2048 DEFECT Source is thought to be a defect 4096 SATURATED Source is thought to be saturated pixels (bleed trail) 8192 CR_LIMIT Source has crNsigma above limit 16384 EXT_LIMIT Source has extNsigma above limit 32768 MOMENTS_FAILURE could not measure the moments 65536 SKY_FAILURE could not measure the local sky 131072 SKYVAR_FAILURE could not measure the local sky variance 262144 BELOW_MOMENTS_SN moments not measured due to low S/N 1048576 BIG_RADIUS poor moments for small radius, try large radius 2097152 AP_MAGS source has an aperture magnitude 4194304 BLEND_FIT source was fitted as a blend 8388608 EXTENDED_FIT full extended fit was used 16777216 EXTENDED_STATS extended aperture stats calculated 33554432 LINEAR_FIT source fitted with the linear fit 67108864 NONLINEAR_FIT source fitted with the non-linear fit 134217728 RADIAL_FLUX radial flux measurements calculated 268435456 SIZE_SKIPPED size could not be determined 536870912 PEAK_ON_SPIKE peak lands on diffraction spike 1073741824 PEAK_ON_GHOST peak lands on ghost or glint 2147483648 PEAK_OFF_CHIP peak lands off edge of chip 4294967296 DIFF_WITH_SINGLE diff source matched to a single positive detection 8589934592 DIFF_WITH_DOUBLE diff source matched to positive detections in both images 17179869184 MATCHED diff source matched to positive detections in both images 34359738368 ON_SPIKE >25% of (PSF-weighted) pixels land on diffraction spike 68719476736 ON_STARCORE >25% of (PSF-weighted) pixels land on starcore 137438953472 ON_BURNTOOL >25% of (PSF-weighted) pixels land on burntool 274877906944 ON_CONVPOOR >25% of (PSF-weighted) pixels land on convpoor 549755813888 PASS1_SRC source detected in first pass analysis 1099511627776 HAS_BRIGHTER_NEIGHBOR peak is not the brightest in its footprint 2199023255552 BRIGHT_NEIGHBOR_1 flux_n / (r^2 flux_p) >1 4398046511104 BRIGHT_NEIGHBOR_10 flux_n / (r^2 flux_p) >10 8796093022208 DIFF_SELF_MATCH positive detection match is probably this source 17592186044416 SATSTAR_PROFILE saturated source is modeled with a radial profile 35184372088832 NOCAL detection ignored for this analysis (photcode, time range) -- internal only 70368744177664 POOR_PHOTOM detection is photometry outlier 140737488355328 SKIP_PHOTOM detection was ignored for photometry measurement 281474976710656 AREA detection near image edge 562949953421312 POOR_ASTROM detection is astrometry outlier 1125899906842624 SKIP_ASTROM detection was ignored for astrometry measurement 2251799813685248 USED_OBJ detection was used during update objects 4503599627370496 USED_CHIP detection was used during update chips (XXX this probably does not make it into the db) 9007199254740992 BLEND_MEAS detection is within radius of multiple objects 18014398509481984 BLEND_OBJ multiple detections within radius of object 36028797018963968 UNDEF_3 unused 72057594037927936 UNDEF_4 unused 144115188075855872 BLEND_MEAS_X detection is within radius of multiple objects across catalogs 288230376151711744 ARTIFACT detection is thought to be non-astronomical 576460752303423488 UNDEF_5 unused 1152921504606846976 PHOTOM_UBERCAL externally-supplied zero point from ubercal analysis 2305843009213693952 STACK_PRIMARY externally-supplied zero point from ubercal analysis 4611686018427387904 STACK_PHOT_SRC this measurement supplied the stack photometry
DVO flags
Under DVO shell, you can type the following commands to extract the flags of stellars. dvo: mextract phot_flag dvo: avextract flag dvo; imextract imflags
photflags
Flags associated with measurements mextract.photflags == mextract.phot_flags PM_SOURCE_MODE_DEFAULT = 0x00000000, ///< Initial value: resets all bits PM_SOURCE_MODE_PSFMODEL = 0x00000001, ///< Source fitted with a psf model (linear or non-linear) PM_SOURCE_MODE_EXTMODEL = 0x00000002, ///< Source fitted with an extended-source model PM_SOURCE_MODE_FITTED = 0x00000004, ///< Source fitted with non-linear model (PSF or EXT; good or bad) PM_SOURCE_MODE_FAIL = 0x00000008, ///< Fit (non-linear) failed (non-converge, off-edge, run to zero) PM_SOURCE_MODE_POOR = 0x00000010, ///< Fit succeeds, but low-SN, high-Chisq, or large (for PSF -- drop?) PM_SOURCE_MODE_PAIR = 0x00000020, ///< Source fitted with a double psf PM_SOURCE_MODE_PSFSTAR = 0x00000040, ///< Source used to define PSF model PM_SOURCE_MODE_SATSTAR = 0x00000080, ///< Source model peak is above saturation PM_SOURCE_MODE_BLEND = 0x00000100, ///< Source is a blend with other sourcers PM_SOURCE_MODE_EXTERNAL = 0x00000200, ///< Source based on supplied input position PM_SOURCE_MODE_BADPSF = 0x00000400, ///< Failed to get good estimate of object's PSF PM_SOURCE_MODE_DEFECT = 0x00000800, ///< Source is thought to be a defect PM_SOURCE_MODE_SATURATED = 0x00001000, ///< Source is thought to be saturated pixels (bleed trail) PM_SOURCE_MODE_CR_LIMIT = 0x00002000, ///< Source has crNsigma above limit PM_SOURCE_MODE_EXT_LIMIT = 0x00004000, ///< Source has extNsigma above limit PM_SOURCE_MODE_MOMENTS_FAILURE = 0x00008000, ///< could not measure the moments PM_SOURCE_MODE_SKY_FAILURE = 0x00010000, ///< could not measure the local sky PM_SOURCE_MODE_SKYVAR_FAILURE = 0x00020000, ///< could not measure the local sky variance PM_SOURCE_MODE_BELOW_MOMENTS_SN = 0x00040000, ///< moments not measured due to low S/N PM_SOURCE_MODE_BIG_RADIUS = 0x00100000, ///< poor moments for small radius, try large radius PM_SOURCE_MODE_AP_MAGS = 0x00200000, ///< source has an aperture magnitude PM_SOURCE_MODE_BLEND_FIT = 0x00400000, ///< source was fitted as a blend PM_SOURCE_MODE_EXTENDED_FIT = 0x00800000, ///< full extended fit was used PM_SOURCE_MODE_EXTENDED_STATS = 0x01000000, ///< extended aperture stats calculated PM_SOURCE_MODE_LINEAR_FIT = 0x02000000, ///< source fitted with the linear fit PM_SOURCE_MODE_NONLINEAR_FIT = 0x04000000, ///< source fitted with the non-linear fit PM_SOURCE_MODE_RADIAL_FLUX = 0x08000000, ///< radial flux measurements calculated PM_SOURCE_MODE_SIZE_SKIPPED = 0x10000000, ///< size could not be determined PM_SOURCE_MODE_ON_SPIKE = 0x20000000, ///< peak lands on diffraction spike PM_SOURCE_MODE_ON_GHOST = 0x40000000, ///< peak lands on ghost or glint PM_SOURCE_MODE_OFF_CHIP = 0x80000000, ///< peak lands off edge of chip Reference: https://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/browser/trunk/psModules/src/objects/pmSourceMasks.h
dbflags
Flags associated with measurements mextract.dbflags == mextract.db_flags ID_MEAS_NOCAL = 0x00000001, // detection ignored for this analysis (photcode, time range) -- internal only ID_MEAS_POOR_PHOTOM = 0x00000002, // detection is photometry outlier ID_MEAS_SKIP_PHOTOM = 0x00000004, // detection was ignored for photometry measurement ID_MEAS_AREA = 0x00000008, // detection near image edge ID_MEAS_POOR_ASTROM = 0x00000010, // detection is astrometry outlier ID_MEAS_SKIP_ASTROM = 0x00000020, // detection was ignored for astrometry measurement ID_MEAS_USED_OBJ = 0x00000040, // detection was used during update objects ID_MEAS_USED_CHIP = 0x00000080, // detection was used during update chips (XXX this probably does not make it into the db) ID_MEAS_BLEND_MEAS = 0x00000100, // detection is within radius of multiple objects ID_MEAS_BLEND_OBJ = 0x00000200, // multiple detections within radius of object ID_MEAS_UNDEF_3 = 0x00000400, // unused ID_MEAS_UNDEF_4 = 0x00000800, // unused ID_MEAS_BLEND_MEAS_X = 0x00001000, // detection is within radius of multiple objects across catalogs ID_MEAS_ARTIFACT = 0x00002000, // detection is thought to be non-astronomical ID_MEAS_UNDEF_5 = 0x00004000, // unused ID_MEAS_PHOTOM_UBERCAL = 0x00008000, // externally-supplied zero point from ubercal analysis ID_MEAS_STACK_PRIMARY = 0x00010000, // externally-supplied zero point from ubercal analysis ID_MEAS_STACK_PHOT_SRC = 0x00020000, // this measurement supplied the stack photometry
objflags
Update 07/30/15 04:02:53 (3 months ago) Author:bills /* Average.flags values -- these values are 32 bit (as of PS1_V1) */ ID_STAR_FEW = 0x00000001, // used within relphot: skip star ID_STAR_POOR = 0x00000002, // used within relphot: skip star ID_ICRF_QSO = 0x00000004, // object IDed with known ICRF quasar (may have ICRF position measurement) ID_OTHEF_QSO = 0x00000008, // object IDed with known or suspected quasar, without ICRF reference data ID_PROPER = 0x00000010, // star with large proper motion ID_TRANSIENT = 0x00000020, // identified as a non-periodic (stationary) transient ID_VARIABLE = 0x00000040, // identified as a period variable ID_ASTEROID = 0x00000080, // identified with a known solar-system object (asteroid or other) // bits 0x00000100 - 0x00008000 are currently unused ID_STAR_FIT_AVE = 0x00010000, // average position fitted ID_STAR_FIT_PM = 0x00020000, // proper motion fitted ID_STAR_FIT_PAR = 0x00040000, // parallax fitted ID_STAR_USE_AVE = 0x00080000, // average position used (not PM or PAR) ID_STAR_USE_PM = 0x00100000, // proper motion used (not AVE or PAR) ID_STAR_USE_PAR = 0x00200000, // parallax used (not AVE or PM) ID_STAR_NO_ASTROM = 0x00400000, // mean astrometry could not be measured ID_STAR_BAD_PM = 0x00800000, // mean astrometry could not be measured ID_OBJ_EXT = 0x01000000, // extended in our data (eg, PS) ID_OBJ_EXT_ALT = 0x02000000, // extended in external data (eg, 2MASS) ID_OBJ_GOOD = 0x04000000, // good-quality measurement in our data (eg,PS) ID_OBJ_GOOD_ALT = 0x08000000, // good-quality measurement in external data (eg, 2MASS) ID_OBJ_GOOD_STACK = 0x10000000, // good-quality object in the stack (> 1 good stack) ID_OBJ_SUSPECT_STACK = 0x20000000, // suspect object in the stack (> 1 good or suspect stack, < 2 good) ID_OBJ_BAD_STACK = 0x40000000, // good-quality object in the stack (> 1 good stack)
Reference:http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/browser/trunk/Ohana/src/libdvo/include/dvo.h
objflags
Update 2013.08 Flags associated with average objects (avextract.flags == avextract.objflags == avextract.obj_flags == mextract.objflags == mextract.obj_flags) ID_STAR_FEW = 0x00000001, // used within relphot: skip star ID_STAR_POOR = 0x00000002, // used within relphot: skip star ID_PROPER = 0x00000400, // star with large proper motion ID_TRANSIENT = 0x00001000, // is this mutually exclusive with USNO? ID_VARIABLE = 0x00002000, // not currently set? ID_ASTEROID = 0x00002000, // identified with an asteroid ID_BAD_OBJECT = 0x00004000, // if all measurements are bad, set this bit ID_MOVING = 0x00008000, // is a moving object ID_ROCK = 0x0000a000, // 0x8000 + 0x2000 ID_GHOST = 0x0000c001, // 0x8000 + 0x4000 + 0x0001 ID_TRAIL = 0x0000c002, // 0x8000 + 0x4000 + 0x0002 ID_BLEED = 0x0000c003, // 0x8000 + 0x4000 + 0x0003 ID_COSMIC = 0x0000c004, // 0x8000 + 0x4000 + 0x0004 ID_STAR_FIT_AVE = 0x00010000, // average position fitted ID_STAR_FIT_PM = 0x00020000, // proper motion fitter ID_STAR_FIT_PAR = 0x00040000, // parallax fitted ID_STAR_USE_AVE = 0x00080000, // average position used (not PM or PAR) ID_STAR_USE_PM = 0x00100000, // proper motion used (not AVE or PAR) ID_STAR_USE_PAR = 0x00200000, // parallax used (not AVE or PM) ID_STAR_NO_ASTROM = 0x00400000, // mean astrometry could not be measured ID_OBJ_EXT = 0x01000000, // extended in our data (eg, PS) ID_OBJ_EXT_ALT = 0x02000000, // extended in external data (eg, 2MASS) ID_OBJ_GOOD = 0x04000000, // good-quality measurement in our data (eg,PS) ID_OBJ_GOOD_ALT = 0x08000000, // good-quality measurement in external data (eg, 2MASS) ID_OBJ_GOOD_STACK = 0x10000000, // good-quality object in the stack (> 1 good stack) reference (http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/browser/tags/ipp-20140114/Ohana/src/relphot/src/StarOps.c) ID_OBJ_SUSPECT_STACK = 0x20000000, // suspect object in the stack (> 1 good or suspect stack, < 2 good) ID_OBJ_BAD_STACK = 0x40000000, // good-quality object in the stack (> 1 good stack) Reference: http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/browser/trunk/Ohana/src/libdvo/include/dvo.h Good stars (flags and '1340F403'x) eq '10000000'x --> ask Roger
Flags associated with average objects (avextract.flags == avextract.objflags == avextract.obj_flags == mextract.objflags == mextract.obj_flags) ID_STAR_FEW = 0x00000001, // used within relphot: skip star ID_STAR_POOR = 0x00000002, // used within relphot: skip star ID_PROPER = 0x00000400, // star with large proper motion ID_TRANSIENT = 0x00001000, // is this mutually exclusive with USNO? ID_VARIABLE = 0x00002000, // not currently set? ID_ASTEROID = 0x00002000, // identified with an asteroid ID_BAD_OBJECT = 0x00004000, // if all measurements are bad, set this bit ID_MOVING = 0x00008000, // is a moving object ID_ROCK = 0x0000a000, // 0x8000 + 0x2000 ID_GHOST = 0x0000c001, // 0x8000 + 0x4000 + 0x0001 ID_TRAIL = 0x0000c002, // 0x8000 + 0x4000 + 0x0002 ID_BLEED = 0x0000c003, // 0x8000 + 0x4000 + 0x0003 ID_COSMIC = 0x0000c004, // 0x8000 + 0x4000 + 0x0004 ID_STAR_FIT_AVE = 0x00010000, // average position fitted ID_STAR_FIT_PM = 0x00020000, // proper motion fitted ID_STAR_FIT_PAR = 0x00040000, // parallax fitted ID_STAR_USE_AVE = 0x00080000, // average position used (not PM or PAR) ID_STAR_USE_PM = 0x00100000, // proper motion used (not AVE or PAR) ID_STAR_USE_PAR = 0x00200000, // parallax used (not AVE or PM) ID_OBJ_EXT = 0x01000000, // extended in our data (eg, PS) ID_OBJ_EXT_ALT = 0x02000000, // extended in external data (eg, 2MASS) ID_OBJ_GOOD = 0x04000000, // good-quality measurement in our data (eg, PS) ID_OBJ_GOOD_ALT = 0x08000000, // good-quality measurement in external data (eg, 2MASS) Reference: https://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/IPP_DVO_Bitmasks
secflags
average photometry flags /* Secfilt.flags values -- these values are 32 bit (as of PS1_V1) */ ID_SECF_STAR_FEW = 0x00000001, // used within relphot: skip star ID_SECF_STAR_POOR = 0x00000002, // used within relphot: skip star ID_SECF_USE_SYNTH = 0x00000004, // synthetic photometry used in average measurement ID_SECF_USE_UBERCAL = 0x00000008, // synthetic photometry used in average measurement ID_SECF_HAS_PS1 = 0x00000010, // PS1 photometry used in average measurement ID_SECF_HAS_STACK = 0x00000020, // PS1 stack photometry exists ID_PHOTOM_PASS_0 = 0x00000100, // average magnitude calculated in 0th pass ID_PHOTOM_PASS_1 = 0x00000200, // average magnitude calculated in 1th pass ID_PHOTOM_PASS_2 = 0x00000400, // average magnitude calculated in 2th pass ID_PHOTOM_PASS_3 = 0x00000800, // average magnitude calculated in 3th pass ID_PHOTOM_PASS_4 = 0x00001000, // average magnitude calculated in 4th pass ID_PSPS_OBJ_EXT = 0x00002000, // In PSPS ID_SECF_OBJ_EXT is moved here so it fits within 16 bits ID_SECF_STACK_PRIMARY = 0x00004000, // PS1 stack photometry comes from primary skycell ID_SECF_OBJ_EXT = 0x01000000, // extended in this band
imflags
query with imextract imflags ID_IMAGE_NEW = 0x00000000, /* no calibrations yet attempted */ ID_IMAGE_PHOTOM_NOCAL = 0x00000001, /* user-set value used within relphot: ignore */ ID_IMAGE_PHOTOM_POOR = 0x00000002, /* relphot says image is bad (dMcal > limit) */ ID_IMAGE_PHOTOM_SKIP = 0x00000004, /* user-set value: assert that this image has bad photometry */ ID_IMAGE_PHOTOM_FEW = 0x00000008, /* currently too few measurements for photometry */ ID_IMAGE_ASTROM_NOCAL = 0x00000010, /* user-set value used within relastro: ignore */ ID_IMAGE_ASTROM_POOR = 0x00000020, /* relastro says image is bad (dR,dD > limit) */ ID_IMAGE_ASTROM_FAIL = 0x00000040, /* relastro fit diverged, fit not applied */ ID_IMAGE_ASTROM_SKIP = 0x00000080, /* user-set value: assert that this image has bad astrometry */ ID_IMAGE_ASTROM_FEW = 0x00000100, /* currently too few measurements for astrometry */ ID_IMAGE_PHOTOM_UBERCAL = 0x00000200, /* externally-supplied photometry zero point from ubercal analysis */
Reference: http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/browser/trunk/Ohana/src/libdvo/include/dvo.h
2MASS flags
Reference : http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/2MASS_info_in_DVO
IPP Object Catalogue Bitmasks - PS1 V1
This is much useful. Reference : http://ps1sc.ifa.hawaii.edu/PS1wiki/index.php/Transient_Classification:UK_project/IPPObjectBitMasks
Note 2015.10.26
The objects can be determined with the combination of flags.
142f0000 10000000 ID_OBJ_GOOD_STACK = 0x10000000, // good-quality object in the stack (> 1 good stack) 04000000 ID_OBJ_GOOD = 0x04000000, // good-quality measurement in our data (eg,PS) 00200000 ID_STAR_USE_PAR = 0x00200000, // parallax used (not AVE or PM) 00010000 ID_STAR_FIT_AVE = 0x00010000, // average position fitted 00020000 ID_STAR_FIT_PM = 0x00020000, // proper motion fitted 00040000 ID_STAR_FIT_PAR = 0x00040000, // parallax fitted 00080000 ID_STAR_USE_AVE = 0x00080000, // average position used (not PM or PAR) 00090000 00010000 ID_STAR_FIT_AVE = 0x00010000, // average position fitted 00080000 ID_STAR_USE_AVE = 0x00080000, // average position used (not PM or PAR) 00400000 00400000 ID_STAR_NO_ASTROM = 0x00400000, // mean astrometry could not be measured
ID_PROPER = 0x00000010, // star with large proper motion ID_TRANSIENT = 0x00000020, // identified as a non-periodic (stationary) transient ID_VARIABLE = 0x00000040, // identified as a period variable ID_STAR_FIT_AVE = 0x00010000, // average position fitted ID_STAR_FIT_PM = 0x00020000, // proper motion fitted ID_STAR_FIT_PAR = 0x00040000, // parallax fitted ID_STAR_USE_AVE = 0x00080000, // average position used (not PM or PAR) ID_STAR_USE_PM = 0x00100000, // proper motion used (not AVE or PAR) ID_STAR_USE_PAR = 0x00200000, // parallax used (not AVE or PM) ID_OBJ_GOOD = 0x04000000, // good-quality measurement in our data (eg,PS) ID_OBJ_GOOD_ALT = 0x08000000, // good-quality measurement in external data (eg, 2MASS) ID_OBJ_GOOD_STACK = 0x10000000, // good-quality object in the stack (> 1 good stack) ID_OBJ_SUSPECT_STACK = 0x20000000, // suspect object in the stack (> 1 good or suspect stack, < 2 good) good all = 0x3c3f0070
x ID_STAR_FEW = 0x00000001, // used within relphot: skip star x ID_STAR_POOR = 0x00000002, // used within relphot: skip star x ID_ICRF_QSO = 0x00000004, // object IDed with known ICRF quasar (may have ICRF position measurement) x ID_OTHEF_QSO = 0x00000008, // object IDed with known or suspected quasar, without ICRF reference data x ID_ASTEROID = 0x00000080, // identified with a known solar-system object (asteroid or other) x ID_STAR_NO_ASTROM = 0x00400000, // mean astrometry could not be measured x ID_STAR_BAD_PM = 0x00800000, // mean astrometry could not be measured x ID_OBJ_EXT = 0x01000000, // extended in our data (eg, PS) x ID_OBJ_EXT_ALT = 0x02000000, // extended in external data (eg, 2MASS) x ID_OBJ_BAD_STACK = 0x40000000, // good-quality object in the stack (> 1 good stack) bad all = 0x43f0008f