Contains statistical analysis of VVV primary sources. |
Photometric variability statistics. Astrometric fit to all data Variability statistics in Z, Y, J, H, Ks bands calculated from matches in vvvSourceXDetectionBestMatch Required constraints:
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Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
---|---|---|---|---|---|---|
sourceID | bigint | 8 | UID (unique over entire VSA 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 VSA via programme ID prefix, assigned by merging procedure | meta.id;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 | stat.error |
epoch | float | 8 | Years | Epoch of measurement | time.epoch | |
muRa | real | 4 | mas/yr | Proper motion in RA | -0.9999995e9 | pos.eq.ra;pos.pm |
muDec | real | 4 | mas/yr | Proper motion in Dec | -0.9999995e9 | pos.eq.dec;pos.pm |
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 | pos.parallax |
minPllx | real | 4 | mas | Lower limit of 90% confidence interval for parallax measurement | -0.9999995e9 | pos.parallax;stat.min |
maxPllx | real | 4 | mas | Upper limit of 90% confidence interval for parallax measurement | -0.9999995e9 | pos.parallax;stat.max |
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 | |
znGoodObs | int | 4 | Number of good detections in Z band | 0 | meta.number;em.opt.I | |
znFlaggedObs | int | 4 | Number of detections in Z band flagged as potentially spurious by vvvDetection.ppErrBits | 0 | meta.number;em.opt.I | |
znMissingObs | int | 4 | Number of Z band frames that this object should have been detected on and was not | 0 | meta.number;em.opt.I | |
zbestAper | int | 4 | Best aperture (1-6) for photometric statistics in the Z band | -9999 | meta.code.class;em.opt.I | |
zminCadence | real | 4 | days | minimum gap between observations | -0.9999995e9 | time.interval;obs;stat.min |
zmedCadence | real | 4 | days | median gap between observations | -0.9999995e9 | time.interval;obs;stat.median |
zmaxCadence | real | 4 | days | maximum gap between observations | -0.9999995e9 | time.interval;obs;stat.max |
ztotalPeriod | real | 4 | days | total period of observations (last obs-first obs) | -0.9999995e9 | time.duration |
zmeanMag | real | 4 | mag | Mean Z magnitude | -0.9999995e9 | phot.mag;em.opt.I;stat.mean;em.opt.I |
zmedianMag | real | 4 | mag | Median Z magnitude | -0.9999995e9 | phot.mag;em.opt.I;stat.median;em.opt.I |
zMagRms | real | 4 | mag | rms of Z magnitude | -0.9999995e9 | stat.error;phot.mag;em.opt.I |
zMagMAD | real | 4 | mag | Median Absolute Deviation of Z magnitude | -0.9999995e9 | stat.err;em.opt.I;phot.mag |
zskewness | real | 4 | mag | Skewness in Z band (see Sesar et al. 2007) | -0.9999995e9 | stat.param;em.opt.I |
zMinMag | real | 4 | mag | Minimum magnitude in Z band, of good detections | -0.9999995e9 | phot.mag;em.opt.I;stat.min |
zMaxMag | real | 4 | mag | Maximum magnitude in Z band, of good detections | -0.9999995e9 | phot.mag;em.opt.I;stat.max |
zNgt3sig | smallint | 2 | Number of good detections in Z-band that are more than 3 sigma deviations (zAperMagN < (zMeanMag-3*zMagRms) | -9999 | meta.number;em.opt.I | |
zExpRms | real | 4 | mag | Rms calculated from polynomial fit to modal RMS as a function of magnitude in Z band | -0.9999995e9 | stat.error;em.opt.I |
zIntRms | real | 4 | mag | Intrinsic rms in Z-band | -0.9999995e9 | stat.error;em.opt.I |
zchiSqpd | real | 4 | Chi square (per degree of freedom) fit to data (mean and expected rms) | -0.9999995e9 | stat.fit.chi2;em.opt.I | |
zndof | smallint | 2 | Number of degrees of freedom for chisquare | -9999 | stat.fit.dof;em.opt.I | |
zprobVar | real | 4 | Probability of variable from chi-square (and other data) | -0.9999995e9 | stat.probability;em.opt.I | |
zVarClass | smallint | 2 | Classification of variability in this band | -9999 | meta.code.class;src.var;em.opt.I | |
ynGoodObs | int | 4 | Number of good detections in Y band | 0 | meta.number;em.IR.NIR | |
ynFlaggedObs | int | 4 | Number of detections in Y band flagged as potentially spurious by vvvDetection.ppErrBits | 0 | meta.number;em.IR.NIR | |
ynMissingObs | int | 4 | Number of Y band frames that this object should have been detected on and was not | 0 | meta.number;em.IR.NIR | |
ybestAper | int | 4 | Best aperture (1-6) for photometric statistics in the Y band | -9999 | meta.code.class;em.IR.NIR | |
yminCadence | real | 4 | days | minimum gap between observations | -0.9999995e9 | time.interval;obs;stat.min |
ymedCadence | real | 4 | days | median gap between observations | -0.9999995e9 | time.interval;obs;stat.median |
ymaxCadence | real | 4 | days | maximum gap between observations | -0.9999995e9 | time.interval;obs;stat.max |
ytotalPeriod | real | 4 | days | total period of observations (last obs-first obs) | -0.9999995e9 | time.duration |
ymeanMag | real | 4 | mag | Mean Y magnitude | -0.9999995e9 | phot.mag;em.IR.NIR;stat.mean;em.IR.NIR |
ymedianMag | real | 4 | mag | Median Y magnitude | -0.9999995e9 | phot.mag;em.IR.NIR;stat.median;em.IR.NIR |
yMagRms | real | 4 | mag | rms of Y magnitude | -0.9999995e9 | stat.error;phot.mag;em.IR.NIR |
yMagMAD | real | 4 | mag | Median Absolute Deviation of Y magnitude | -0.9999995e9 | stat.err;em.IR.NIR;phot.mag |
yskewness | real | 4 | mag | Skewness in Y band (see Sesar et al. 2007) | -0.9999995e9 | stat.param;em.IR.NIR |
yMinMag | real | 4 | mag | Minimum magnitude in Y band, of good detections | -0.9999995e9 | phot.mag;em.IR.NIR;stat.min |
yMaxMag | real | 4 | mag | Maximum magnitude in Y band, of good detections | -0.9999995e9 | phot.mag;em.IR.NIR;stat.max |
yNgt3sig | smallint | 2 | Number of good detections in Y-band that are more than 3 sigma deviations (yAperMagN < (yMeanMag-3*yMagRms) | -9999 | meta.number;em.IR.NIR | |
yExpRms | real | 4 | mag | Rms calculated from polynomial fit to modal RMS as a function of magnitude in Y band | -0.9999995e9 | stat.error;em.IR.NIR |
yIntRms | real | 4 | mag | Intrinsic rms in Y-band | -0.9999995e9 | stat.error;em.IR.NIR |
ychiSqpd | real | 4 | Chi square (per degree of freedom) fit to data (mean and expected rms) | -0.9999995e9 | stat.fit.chi2;em.IR.NIR | |
yndof | smallint | 2 | Number of degrees of freedom for chisquare | -9999 | stat.fit.dof;em.IR.NIR | |
yprobVar | real | 4 | Probability of variable from chi-square (and other data) | -0.9999995e9 | stat.probability;em.IR.NIR | |
yVarClass | smallint | 2 | Classification of variability in this band | -9999 | meta.code.class;src.var;em.IR.NIR | |
jnGoodObs | int | 4 | Number of good detections in J band | 0 | meta.number;em.IR.J | |
jnFlaggedObs | int | 4 | Number of detections in J band flagged as potentially spurious by vvvDetection.ppErrBits | 0 | meta.number;em.IR.J | |
jnMissingObs | int | 4 | Number of J band frames that this object should have been detected on and was not | 0 | meta.number;em.IR.J | |
jbestAper | int | 4 | Best aperture (1-6) for photometric statistics in the J band | -9999 | meta.code.class;em.IR.J | |
jminCadence | real | 4 | days | minimum gap between observations | -0.9999995e9 | time.interval;obs;stat.min |
jmedCadence | real | 4 | days | median gap between observations | -0.9999995e9 | time.interval;obs;stat.median |
jmaxCadence | real | 4 | days | maximum gap between observations | -0.9999995e9 | time.interval;obs;stat.max |
jtotalPeriod | real | 4 | days | total period of observations (last obs-first obs) | -0.9999995e9 | time.duration |
jmeanMag | real | 4 | mag | Mean J magnitude | -0.9999995e9 | phot.mag;em.IR.J;stat.mean;em.IR.J |
jmedianMag | real | 4 | mag | Median J magnitude | -0.9999995e9 | phot.mag;em.IR.J;stat.median;em.IR.J |
jMagRms | real | 4 | mag | rms of J magnitude | -0.9999995e9 | stat.error;phot.mag;em.IR.J |
jMagMAD | real | 4 | mag | Median Absolute Deviation of J magnitude | -0.9999995e9 | stat.err;em.IR.J;phot.mag |
jskewness | real | 4 | mag | Skewness in J band (see Sesar et al. 2007) | -0.9999995e9 | stat.param;em.IR.J |
jMinMag | real | 4 | mag | Minimum magnitude in J band, of good detections | -0.9999995e9 | phot.mag;em.IR.J;stat.min |
jMaxMag | real | 4 | mag | Maximum magnitude in J band, of good detections | -0.9999995e9 | phot.mag;em.IR.J;stat.max |
jNgt3sig | smallint | 2 | Number of good detections in J-band that are more than 3 sigma deviations (jAperMagN < (jMeanMag-3*jMagRms) | -9999 | meta.number;em.IR.J | |
jExpRms | real | 4 | mag | Rms calculated from polynomial fit to modal RMS as a function of magnitude in J band | -0.9999995e9 | stat.error;em.IR.J |
jIntRms | real | 4 | mag | Intrinsic rms in J-band | -0.9999995e9 | stat.error;em.IR.J |
jchiSqpd | real | 4 | Chi square (per degree of freedom) fit to data (mean and expected rms) | -0.9999995e9 | stat.fit.chi2;em.IR.J | |
jndof | smallint | 2 | Number of degrees of freedom for chisquare | -9999 | stat.fit.dof;em.IR.J | |
jprobVar | real | 4 | Probability of variable from chi-square (and other data) | -0.9999995e9 | stat.probability;em.IR.J | |
jVarClass | smallint | 2 | Classification of variability in this band | -9999 | meta.code.class;src.var;em.IR.J | |
hnGoodObs | int | 4 | Number of good detections in H band | 0 | meta.number;em.IR.H | |
hnFlaggedObs | int | 4 | Number of detections in H band flagged as potentially spurious by vvvDetection.ppErrBits | 0 | meta.number;em.IR.H | |
hnMissingObs | int | 4 | Number of H band frames that this object should have been detected on and was not | 0 | meta.number;em.IR.H | |
hbestAper | int | 4 | Best aperture (1-6) for photometric statistics in the H band | -9999 | meta.code.class;em.IR.H | |
hminCadence | real | 4 | days | minimum gap between observations | -0.9999995e9 | time.interval;obs;stat.min |
hmedCadence | real | 4 | days | median gap between observations | -0.9999995e9 | time.interval;obs;stat.median |
hmaxCadence | real | 4 | days | maximum gap between observations | -0.9999995e9 | time.interval;obs;stat.max |
htotalPeriod | real | 4 | days | total period of observations (last obs-first obs) | -0.9999995e9 | time.duration |
hmeanMag | real | 4 | mag | Mean H magnitude | -0.9999995e9 | phot.mag;em.IR.H;stat.mean;em.IR.H |
hmedianMag | real | 4 | mag | Median H magnitude | -0.9999995e9 | phot.mag;em.IR.H;stat.median;em.IR.H |
hMagRms | real | 4 | mag | rms of H magnitude | -0.9999995e9 | stat.error;phot.mag;em.IR.H |
hMagMAD | real | 4 | mag | Median Absolute Deviation of H magnitude | -0.9999995e9 | stat.err;em.IR.H;phot.mag |
hskewness | real | 4 | mag | Skewness in H band (see Sesar et al. 2007) | -0.9999995e9 | stat.param;em.IR.H |
hMinMag | real | 4 | mag | Minimum magnitude in H band, of good detections | -0.9999995e9 | phot.mag;em.IR.H;stat.min |
hMaxMag | real | 4 | mag | Maximum magnitude in H band, of good detections | -0.9999995e9 | phot.mag;em.IR.H;stat.max |
hNgt3sig | smallint | 2 | Number of good detections in H-band that are more than 3 sigma deviations (hAperMagN < (hMeanMag-3*hMagRms) | -9999 | meta.number;em.IR.H | |
hExpRms | real | 4 | mag | Rms calculated from polynomial fit to modal RMS as a function of magnitude in H band | -0.9999995e9 | stat.error;em.IR.H |
hIntRms | real | 4 | mag | Intrinsic rms in H-band | -0.9999995e9 | stat.error;em.IR.H |
hchiSqpd | real | 4 | Chi square (per degree of freedom) fit to data (mean and expected rms) | -0.9999995e9 | stat.fit.chi2;em.IR.H | |
hndof | smallint | 2 | Number of degrees of freedom for chisquare | -9999 | stat.fit.dof;em.IR.H | |
hprobVar | real | 4 | Probability of variable from chi-square (and other data) | -0.9999995e9 | stat.probability;em.IR.H | |
hVarClass | smallint | 2 | Classification of variability in this band | -9999 | meta.code.class;src.var;em.IR.H | |
ksnGoodObs | int | 4 | Number of good detections in Ks band | 0 | meta.number;em.IR.K | |
ksnFlaggedObs | int | 4 | Number of detections in Ks band flagged as potentially spurious by vvvDetection.ppErrBits | 0 | meta.number;em.IR.K | |
ksnMissingObs | int | 4 | Number of Ks band frames that this object should have been detected on and was not | 0 | meta.number;em.IR.K | |
ksbestAper | int | 4 | Best aperture (1-6) for photometric statistics in the Ks band | -9999 | meta.code.class;em.IR.K | |
ksminCadence | real | 4 | days | minimum gap between observations | -0.9999995e9 | time.interval;obs;stat.min |
ksmedCadence | real | 4 | days | median gap between observations | -0.9999995e9 | time.interval;obs;stat.median |
ksmaxCadence | real | 4 | days | maximum gap between observations | -0.9999995e9 | time.interval;obs;stat.max |
kstotalPeriod | real | 4 | days | total period of observations (last obs-first obs) | -0.9999995e9 | time.duration |
ksmeanMag | real | 4 | mag | Mean Ks magnitude | -0.9999995e9 | phot.mag;em.IR.K;stat.mean;em.IR.K |
ksmedianMag | real | 4 | mag | Median Ks magnitude | -0.9999995e9 | phot.mag;em.IR.K;stat.median;em.IR.K |
ksMagRms | real | 4 | mag | rms of Ks magnitude | -0.9999995e9 | stat.error;phot.mag;em.IR.K |
ksMagMAD | real | 4 | mag | Median Absolute Deviation of Ks magnitude | -0.9999995e9 | stat.err;em.IR.K;phot.mag |
ksskewness | real | 4 | mag | Skewness in Ks band (see Sesar et al. 2007) | -0.9999995e9 | stat.param;em.IR.K |
ksMinMag | real | 4 | mag | Minimum magnitude in Ks band, of good detections | -0.9999995e9 | phot.mag;em.IR.K;stat.min |
ksMaxMag | real | 4 | mag | Maximum magnitude in Ks band, of good detections | -0.9999995e9 | phot.mag;em.IR.K;stat.max |
ksNgt3sig | smallint | 2 | Number of good detections in Ks-band that are more than 3 sigma deviations (ksAperMagN < (ksMeanMag-3*ksMagRms) | -9999 | meta.number;em.IR.K | |
ksExpRms | real | 4 | mag | Rms calculated from polynomial fit to modal RMS as a function of magnitude in Ks band | -0.9999995e9 | stat.error;em.IR.K |
ksIntRms | real | 4 | mag | Intrinsic rms in Ks-band | -0.9999995e9 | stat.error;em.IR.K |
kschiSqpd | real | 4 | Chi square (per degree of freedom) fit to data (mean and expected rms) | -0.9999995e9 | stat.fit.chi2;em.IR.K | |
ksndof | smallint | 2 | Number of degrees of freedom for chisquare | -9999 | stat.fit.dof;em.IR.K | |
ksprobVar | real | 4 | Probability of variable from chi-square (and other data) | -0.9999995e9 | stat.probability;em.IR.K | |
ksVarClass | smallint | 2 | Classification of variability in this band | -9999 | meta.code.class;src.var;em.IR.K | |
variableClass | int | 4 | Classification of objects across all bands. | -99999999 | meta.code.class | |
Total length | 506 |