TABLE  u07ah30Variability

Contains statistical analysis of U07AH30 primary sources.

Photometric variability statistics. Astrometric fit to all data
Variability statistics in H bands

Required constraints:
  • Primary key is (sourceID)
  • (frameSetID) references u07ah30MergeLog(frameSetID)

NameTypeLengthUnitDescriptionDefault ValueUnified Content Descriptor
sourceIDbigint8 UID (unique over entire WSA via programme ID prefix) of this merged detection as assigned by merge algorithm ID_MAIN
cuEventIDint4 UID of curation event giving rise to this record REFER_CODE
frameSetID link to glossarybigint8 frame set ID, unique over the whole WSA via programme ID prefix, assigned by merging procedure ID_FIELD
ra link to glossaryfloat8DegreesMean Right Ascension POS_EQ_RA_MAIN
dec link to glossaryfloat8DegreesMean Declination POS_EQ_DEC_MAIN
sigRa link to glossaryreal4DegreesUncertainty in mean RA-0.9999995e9ERROR
sigDec link to glossaryreal4DegreesUncertainty in mean Dec-0.9999995e9ERROR
expAstErr link to glossaryreal4arcsecRms calculated from polynomial fit to minimum astrometric RMS as a function of magnitude-0.9999995e9 
epoch link to glossaryfloat8YearsEpoch of measurement TIME_EPOCH
muRa link to glossaryreal4mas/yrProper motion in RA-0.9999995e9POS_EQ_PMRA
muDec link to glossaryreal4mas/yrProper motion in Dec-0.9999995e9POS_EQ_PMDEC
sigMuRa link to glossaryreal4mas/yrError on proper motion in RA-0.9999995e9ERROR
sigMuDec link to glossaryreal4mas/yrError on proper motion in Dec-0.9999995e9ERROR
parallax link to glossaryreal4masParallax of star-0.9999995e9 
minPllx link to glossaryreal4masLower limit of 90% confidence interval for parallax measurement-0.9999995e9 
maxPllx link to glossaryreal4masUpper limit of 90% confidence interval for parallax measurement-0.9999995e9 
chi2 link to glossaryreal4 Chi-squared value of astrometric solution-0.9999995e9FIT_CHI2
nFrames link to glossaryint4 Number of frames with good detections used to calculate astrometric fits0NUMBER
hnGoodObs link to glossaryint4 Number of good detections in H band0 
hnFlaggedObs link to glossaryint4 Number of detections in H band flagged as potentially spurious by u07ah30Detection.ppErrBits0 
hnMissingObs link to glossaryint4 Number of H band frames that this object should have been detected on and was not0 
hbestAper link to glossaryint4 Best aperture (1-6) for photometric statistics in the H band-9999 
hminCadence link to glossaryreal4daysminimum gap between observations-0.9999995e9 
hmedCadence link to glossaryreal4daysmedian gap between observations-0.9999995e9 
hmaxCadence link to glossaryreal4daysmaximum gap between observations-0.9999995e9 
htotalPeriod link to glossaryreal4daystotal period of observations (last obs-first obs)-0.9999995e9 
hmeanMag link to glossaryreal4magMean H magnitude-0.9999995e9 
hmedianMag link to glossaryreal4magMedian H magnitude-0.9999995e9 
hMagRms link to glossaryreal4magrms of H magnitude-0.9999995e9 
hMagMAD link to glossaryreal4magMedian Absolute Deviation of H magnitude-0.9999995e9 
hskewness link to glossaryreal4 Skewness in H band (see Sesar et al. 2007)-0.9999995e9 
hMinMag link to glossaryreal4 Minimum magnitude in H band, of good detections-0.9999995e9 
hMaxMag link to glossaryreal4 Maximum magnitude in H band, of good detections-0.9999995e9 
hNgt3sig link to glossarysmallint2 Number of good detections in H-band that are more than 3 sigma deviations (hAperMagN < (hMeanMag-3*hMagRms)-9999 
hExpRms link to glossaryreal4magRms calculated from polynomial fit to modal RMS as a function of magnitude in H band-0.9999995e9 
hIntRms link to glossaryreal4magIntrinsic rms in H-band-0.9999995e9 
hchiSqpd link to glossaryreal4 Chi square (per degree of freedom) fit to data (mean and expected rms)-0.9999995e9 
hndof link to glossarysmallint2 Number of degrees of freedom for chisquare-9999 
hprobVar link to glossaryreal4 Probability of variable from chi-square (and other data)-0.9999995e9 
hVarClass link to glossarysmallint2 Classification of variability in this band-9999 
variableClass link to glossaryint4 Classification of objects across all bands.-99999999 
Total length178