| Contains statistical analysis of U09A4 primary sources. |
| Photometric variability statistics. Astrometric fit to all data Variability statistics in K bands Required constraints:
|
| 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 | ID_MAIN | ||
| cuEventID | int | 4 | UID of curation event giving rise to this record | REFER_CODE | ||
| frameSetID | bigint | 8 | frame set ID, unique over the whole WSA via programme ID prefix, assigned by merging procedure | ID_FIELD | ||
| ra | float | 8 | Degrees | Mean Right Ascension | POS_EQ_RA_MAIN | |
| dec | float | 8 | Degrees | Mean Declination | POS_EQ_DEC_MAIN | |
| sigRa | real | 4 | Degrees | Uncertainty in mean RA | -0.9999995e9 | ERROR |
| sigDec | real | 4 | Degrees | Uncertainty in mean Dec | -0.9999995e9 | 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_EQ_PMRA |
| muDec | real | 4 | mas/yr | Proper motion in Dec | -0.9999995e9 | POS_EQ_PMDEC |
| sigMuRa | real | 4 | mas/yr | Error on proper motion in RA | -0.9999995e9 | ERROR |
| sigMuDec | real | 4 | mas/yr | Error on proper motion in Dec | -0.9999995e9 | 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 | FIT_CHI2 | |
| nFrames | int | 4 | Number of frames with good detections used to calculate astrometric fits | 0 | NUMBER | |
| knGoodObs | int | 4 | Number of good detections in K band | 0 | ||
| knFlaggedObs | int | 4 | Number of detections in K band flagged as potentially spurious by u09a4Detection.ppErrBits | 0 | ||
| knMissingObs | int | 4 | Number of K band frames that this object should have been detected on and was not | 0 | ||
| kbestAper | int | 4 | Best aperture (1-6) for photometric statistics in the K band | -9999 | ||
| kminCadence | real | 4 | days | minimum gap between observations | -0.9999995e9 | |
| kmedCadence | real | 4 | days | median gap between observations | -0.9999995e9 | |
| kmaxCadence | real | 4 | days | maximum gap between observations | -0.9999995e9 | |
| ktotalPeriod | real | 4 | days | total period of observations (last obs-first obs) | -0.9999995e9 | |
| kmeanMag | real | 4 | mag | Mean K magnitude | -0.9999995e9 | |
| kmedianMag | real | 4 | mag | Median K magnitude | -0.9999995e9 | |
| kMagRms | real | 4 | mag | rms of K magnitude | -0.9999995e9 | |
| kMagMAD | real | 4 | mag | Median Absolute Deviation of K magnitude | -0.9999995e9 | |
| kskewness | real | 4 | Skewness in K band (see Sesar et al. 2007) | -0.9999995e9 | ||
| kMinMag | real | 4 | Minimum magnitude in K band, of good detections | -0.9999995e9 | ||
| kMaxMag | real | 4 | Maximum magnitude in K band, of good detections | -0.9999995e9 | ||
| kNgt3sig | smallint | 2 | Number of good detections in K-band that are more than 3 sigma deviations (kAperMagN < (kMeanMag-3*kMagRms) | -9999 | ||
| kExpRms | real | 4 | mag | Rms calculated from polynomial fit to modal RMS as a function of magnitude in K band | -0.9999995e9 | |
| kIntRms | real | 4 | mag | Intrinsic rms in K-band | -0.9999995e9 | |
| kchiSqpd | real | 4 | Chi square (per degree of freedom) fit to data (mean and expected rms) | -0.9999995e9 | ||
| kndof | smallint | 2 | Number of degrees of freedom for chisquare | -9999 | ||
| kprobVar | real | 4 | Probability of variable from chi-square (and other data) | -0.9999995e9 | ||
| kVarClass | smallint | 2 | Classification of variability in this band | -9999 | ||
| variableClass | int | 4 | Classification of objects across all bands. | -99999999 | ||
| Total length | 178 |