Contains statistical analysis of VVV primary sources. |
Photometric variability statistics. Astrometric fit to all data Variability statistics in J, H, Ks bands Required constraints:
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Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
---|---|---|---|---|---|---|
sourceID | bigint | 8 | UID (unique over entire WSA via programme ID prefix) of this merged detection as assigned by merge algorithm | meta.id;meta.main | ||
cuEventID | int | 4 | UID of curation event giving rise to this record | meta.bib | ||
frameSetID ![]() | bigint | 8 | frame set ID, unique over the whole WSA via programme ID prefix, assigned by merging procedure | obs.field | ||
ra ![]() | float | 8 | Degrees | Mean Right Ascension | pos.eq.ra;meta.main | |
dec ![]() | float | 8 | Degrees | Mean Declination | pos.eq.dec;meta.main | |
sigRa ![]() | real | 4 | Degrees | Uncertainty in mean RA | -0.9999995e9 | stat.error |
sigDec ![]() | real | 4 | Degrees | Uncertainty in mean Dec | -0.9999995e9 | stat.error |
expAstErr ![]() | real | 4 | arcsec | Rms calculated from polynomial fit to minimum astrometric RMS as a function of magnitude | -0.9999995e9 | |
epoch ![]() | float | 8 | Years | Epoch of measurement | time.epoch | |
muRa ![]() | real | 4 | mas/yr | Proper motion in RA | -0.9999995e9 | pos.pm;pos.eq.ra |
muDec ![]() | real | 4 | mas/yr | Proper motion in Dec | -0.9999995e9 | pos.pm;pos.eq.dec |
sigMuRa ![]() | real | 4 | mas/yr | Error on proper motion in RA | -0.9999995e9 | stat.error |
sigMuDec ![]() | real | 4 | mas/yr | Error on proper motion in Dec | -0.9999995e9 | stat.error |
parallax ![]() | real | 4 | mas | Parallax of star | -0.9999995e9 | |
minPllx ![]() | real | 4 | mas | Lower limit of 90% confidence interval for parallax measurement | -0.9999995e9 | |
maxPllx ![]() | real | 4 | mas | Upper limit of 90% confidence interval for parallax measurement | -0.9999995e9 | |
chi2 ![]() | real | 4 | Chi-squared value of astrometric solution | -0.9999995e9 | stat.fit.chi2 | |
nFrames ![]() | int | 4 | Number of frames with good detections used to calculate astrometric fits | 0 | meta.number | |
jnGoodObs ![]() | int | 4 | Number of good detections in J band | 0 | ||
jnFlaggedObs ![]() | int | 4 | Number of detections in J band flagged as potentially spurious by vvvDetection.ppErrBits | 0 | ||
jnMissingObs ![]() | int | 4 | Number of J band frames that this object should have been detected on and was not | 0 | ||
jbestAper ![]() | int | 4 | Best aperture (1-6) for photometric statistics in the J band | -9999 | ||
jminCadence ![]() | real | 4 | days | minimum gap between observations | -0.9999995e9 | |
jmedCadence ![]() | real | 4 | days | median gap between observations | -0.9999995e9 | |
jmaxCadence ![]() | real | 4 | days | maximum gap between observations | -0.9999995e9 | |
jtotalPeriod ![]() | real | 4 | days | total period of observations (last obs-first obs) | -0.9999995e9 | |
jmeanMag ![]() | real | 4 | mag | Mean J magnitude | -0.9999995e9 | |
jmedianMag ![]() | real | 4 | mag | Median J magnitude | -0.9999995e9 | |
jMagRms ![]() | real | 4 | mag | rms of J magnitude | -0.9999995e9 | |
jMagMAD ![]() | real | 4 | mag | Median Absolute Deviation of J magnitude | -0.9999995e9 | |
jskewness ![]() | real | 4 | Skewness in J band (see Sesar et al. 2007) | -0.9999995e9 | ||
jMinMag ![]() | real | 4 | Minimum magnitude in J band, of good detections | -0.9999995e9 | ||
jMaxMag ![]() | real | 4 | Maximum magnitude in J band, of good detections | -0.9999995e9 | ||
jNgt3sig ![]() | smallint | 2 | Number of good detections in J-band that are more than 3 sigma deviations | -9999 | ||
jExpRms ![]() | real | 4 | mag | Rms calculated from polynomial fit to modal RMS as a function of magnitude in J band | -0.9999995e9 | |
jIntRms ![]() | real | 4 | mag | Intrinsic rms in J-band | -0.9999995e9 | |
jchiSqpd ![]() | real | 4 | Chi square (per degree of freedom) fit to data (mean and expected rms) | -0.9999995e9 | ||
jndof ![]() | smallint | 2 | Number of degrees of freedom for chisquare | -9999 | ||
jprobVar ![]() | real | 4 | Probability of variable from chi-square (and other data) | -0.9999995e9 | ||
jVarClass ![]() | smallint | 2 | Classification of variability in this band | -9999 | ||
hnGoodObs ![]() | int | 4 | Number of good detections in H band | 0 | ||
hnFlaggedObs ![]() | int | 4 | Number of detections in H band flagged as potentially spurious by vvvDetection.ppErrBits | 0 | ||
hnMissingObs ![]() | int | 4 | Number of H band frames that this object should have been detected on and was not | 0 | ||
hbestAper ![]() | int | 4 | Best aperture (1-6) for photometric statistics in the H band | -9999 | ||
hminCadence ![]() | real | 4 | days | minimum gap between observations | -0.9999995e9 | |
hmedCadence ![]() | real | 4 | days | median gap between observations | -0.9999995e9 | |
hmaxCadence ![]() | real | 4 | days | maximum gap between observations | -0.9999995e9 | |
htotalPeriod ![]() | real | 4 | days | total period of observations (last obs-first obs) | -0.9999995e9 | |
hmeanMag ![]() | real | 4 | mag | Mean H magnitude | -0.9999995e9 | |
hmedianMag ![]() | real | 4 | mag | Median H magnitude | -0.9999995e9 | |
hMagRms ![]() | real | 4 | mag | rms of H magnitude | -0.9999995e9 | |
hMagMAD ![]() | real | 4 | mag | Median Absolute Deviation of H magnitude | -0.9999995e9 | |
hskewness ![]() | real | 4 | Skewness in H band (see Sesar et al. 2007) | -0.9999995e9 | ||
hMinMag ![]() | real | 4 | Minimum magnitude in H band, of good detections | -0.9999995e9 | ||
hMaxMag ![]() | real | 4 | Maximum magnitude in H band, of good detections | -0.9999995e9 | ||
hNgt3sig ![]() | smallint | 2 | Number of good detections in H-band that are more than 3 sigma deviations | -9999 | ||
hExpRms ![]() | real | 4 | mag | Rms calculated from polynomial fit to modal RMS as a function of magnitude in H band | -0.9999995e9 | |
hIntRms ![]() | real | 4 | mag | Intrinsic rms in H-band | -0.9999995e9 | |
hchiSqpd ![]() | real | 4 | Chi square (per degree of freedom) fit to data (mean and expected rms) | -0.9999995e9 | ||
hndof ![]() | smallint | 2 | Number of degrees of freedom for chisquare | -9999 | ||
hprobVar ![]() | real | 4 | Probability of variable from chi-square (and other data) | -0.9999995e9 | ||
hVarClass ![]() | smallint | 2 | Classification of variability in this band | -9999 | ||
ksnGoodObs ![]() | int | 4 | Number of good detections in Ks band | 0 | ||
ksnFlaggedObs ![]() | int | 4 | Number of detections in Ks band flagged as potentially spurious by vvvDetection.ppErrBits | 0 | ||
ksnMissingObs ![]() | int | 4 | Number of Ks band frames that this object should have been detected on and was not | 0 | ||
ksbestAper ![]() | int | 4 | Best aperture (1-6) for photometric statistics in the Ks band | -9999 | ||
ksminCadence ![]() | real | 4 | days | minimum gap between observations | -0.9999995e9 | |
ksmedCadence ![]() | real | 4 | days | median gap between observations | -0.9999995e9 | |
ksmaxCadence ![]() | real | 4 | days | maximum gap between observations | -0.9999995e9 | |
kstotalPeriod ![]() | real | 4 | days | total period of observations (last obs-first obs) | -0.9999995e9 | |
ksmeanMag ![]() | real | 4 | mag | Mean Ks magnitude | -0.9999995e9 | |
ksmedianMag ![]() | real | 4 | mag | Median Ks magnitude | -0.9999995e9 | |
ksMagRms ![]() | real | 4 | mag | rms of Ks magnitude | -0.9999995e9 | |
ksMagMAD ![]() | real | 4 | mag | Median Absolute Deviation of Ks magnitude | -0.9999995e9 | |
ksskewness ![]() | real | 4 | Skewness in Ks band (see Sesar et al. 2007) | -0.9999995e9 | ||
ksMinMag ![]() | real | 4 | Minimum magnitude in Ks band, of good detections | -0.9999995e9 | ||
ksMaxMag ![]() | real | 4 | Maximum magnitude in Ks band, of good detections | -0.9999995e9 | ||
ksNgt3sig ![]() | smallint | 2 | Number of good detections in Ks-band that are more than 3 sigma deviations | -9999 | ||
ksExpRms ![]() | real | 4 | mag | Rms calculated from polynomial fit to modal RMS as a function of magnitude in Ks band | -0.9999995e9 | |
ksIntRms ![]() | real | 4 | mag | Intrinsic rms in Ks-band | -0.9999995e9 | |
kschiSqpd ![]() | real | 4 | Chi square (per degree of freedom) fit to data (mean and expected rms) | -0.9999995e9 | ||
ksndof ![]() | smallint | 2 | Number of degrees of freedom for chisquare | -9999 | ||
ksprobVar ![]() | real | 4 | Probability of variable from chi-square (and other data) | -0.9999995e9 | ||
ksVarClass ![]() | smallint | 2 | Classification of variability in this band | -9999 | ||
variableClass ![]() | int | 4 | Classification of objects across all bands. | -99999999 | ||
Total length | 342 |