| Contains variable stars from VVV-VIVA catalogue |
| Contains statistics and periods for 45 million variable stars selected using correlated and non correlated statistics. This is described in Ferreira Lopes et al., 2020. Required constraints:
|
| Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
|---|---|---|---|---|---|---|
| vivaID | bigint | 8 | Unique identifier for VIVA catalogue, and also VVVDR4 sourceID {catalogue TType keyword: sourceID} | -99999999 | meta.id;meta.main | |
| cuEventID | int | 4 | UID of curation event giving rise to this record | meta.id | ||
| fieldName | varchar | 16 | UID of the pointing that this object comes from | meta.id | ||
| ra | float | 8 | Right Ascension and Declination are products of the astrometric fit, {catalogue TType keyword: raJ2000} | -999999500.0 | pos.eq.ra;meta.main | |
| dec | float | 8 | Right Ascension and Declination are products of the astrometric fit, {catalogue TType keyword: decJ2000} | -999999500.0 | pos.eq.dec;meta.main | |
| cx | float | 8 | unit vector of spherical co-ordinates | pos.cartesian.x;pos.eq | ||
| cy | float | 8 | unit vector of spherical co-ordinates | pos.cartesian.y;pos.eq | ||
| cz | float | 8 | unit vector of spherical co-ordinates | pos.cartesian.z;pos.eq | ||
| htmID | bigint | 8 | Hierarchical Triangular Mesh (HTM) index, 20 deep, for equatorial co-ordinates | pos.HTM | ||
| glJ2000 | float | 8 | Degrees | Galactic longitude {catalogue TType keyword: glJ2000} | -999999500.0 | pos.galactic.lon |
| gbJ2000 | float | 8 | Degrees | Galactic latitude {catalogue TType keyword: gbJ2000} | -999999500.0 | pos.galactic.lat |
| zAperMag3 | real | 4 | mag | Z magnitude using aperture corrected mag (2.0 arcsec aperture diameter, from VVVDR4 1st epoch ZY contemporaneous OB) {catalogue TType keyword: zAperMag3} | -9.999995e8 | |
| zAperMag3Err | real | 4 | mag | Error in default point source Z mag, from VVVDR4 {catalogue TType keyword: zAperMag3Err} | -9.999995e8 | |
| yAperMag3 | real | 4 | mag | Y magnitude using aperture corrected mag (2.0 arcsec aperture diameter, from VVVDR4 1st epoch ZY contemporaneous OB) {catalogue TType keyword: yAperMag3} | -9.999995e8 | |
| yAperMag3Err | real | 4 | mag | Error in default point source Y mag, from VVVDR4 {catalogue TType keyword: yAperMag3Err} | -9.999995e8 | |
| jAperMag3 | real | 4 | mag | J magnitude using aperture corrected mag (2.0 arcsec aperture diameter, from VVVDR4 1st epoch JHKs contemporaneous OB) {catalogue TType keyword: jAperMag3} | -9.999995e8 | |
| jAperMag3Err | real | 4 | mag | Error in default point source J mag, from VVVDR4 {catalogue TType keyword: jAperMag3Err} | -9.999995e8 | |
| hAperMag3 | real | 4 | mag | H magnitude using aperture corrected mag (2.0 arcsec aperture diameter, from VVVDR4 1st epoch JHKs contemporaneous OB) {catalogue TType keyword: hAperMag3} | -9.999995e8 | |
| hAperMag3Err | real | 4 | mag | Error in default point source H mag, from VVVDR4 {catalogue TType keyword: hAperMag3Err} | -9.999995e8 | |
| ksAperMag3 | real | 4 | mag | ks magnitude using aperture corrected mag (2.0 arcsec aperture diameter, from VVVDR4 1st epoch JHKs contemporaneous OB) {catalogue TType keyword: ksAperMag3} | -9.999995e8 | |
| ksAperMag3Err | real | 4 | mag | Error in default point source Ks mag, from VVVDR4 {catalogue TType keyword: ksAperMag3Err} | -9.999995e8 | |
| ksPawprintMeanMag | real | 4 | mag | K_s mean magnitude using pawprint data (2.0 arcsec aperture diameter) {catalogue TType keyword: ksEMeanMagPawprint} | -9.999995e8 | |
| eD | float | 8 | mag | Even dispersion parameter of Ks pawprint data {catalogue TType keyword: ED} | -9.999995e8 | |
| expRMSNoise | float | 8 | mag | Expected noise value for even dispersion parameter of Ks pawprint data {catalogue TType keyword: ExpRmsNoise} | -9.999995e8 | |
| nGoodMeasurements | smallint | 2 | Number of good measurements found in the Ks pawprint data {catalogue TType keyword: NgoodMeasurements} | -9999 | ||
| xIndex | float | 8 | ?? | X variability index {catalogue TType keyword: Xindex} | -9.999995e8 | |
| kFi2 | float | 8 | mag | Even dispersion parameter of K_s pawprint data {catalogue TType keyword: Kfi2} | -9.999995e8 | |
| l2 | float | 8 | mag | Expected noise value for even dispersion parameter of K_s pawprint data {catalogue TType keyword: L2} | -9.999995e8 | |
| nCorrelation2 | smallint | 2 | Number of correlated measurements {catalogue TType keyword: Ncorrelation2} | -9999 | ||
| faPcorrelation2 | float | 8 | False alarm probability for Kfi variability index {catalogue TType keyword: FAPcorrelation2} | -9.999995e8 | ||
| flagDataType | varchar | 4 | Flag about data type, i.e correlated data (CCD) or non-correlated data (NCD) {catalogue TType keyword: FlagDataType} | NONE | ||
| eJKs | real | 4 | Extinction computed from Gonzalez et al. 2012 (Galactic bulge) and Minniti-2018 (Galactic disk) {catalogue TType keyword: EJKs} | -9.999995e8 | ||
| eJKsErr | real | 4 | Rms related with the three nearest EJKs estimations (Galactic disk) {catalogue TType keyword: EJKsErr} | -9.999995e8 | ||
| freqPKfi2 | float | 8 | days^{-1} | Main variability frequency using flux independent period method {catalogue TType keyword: FreqPKfi2} | -9.999995e8 | |
| HeightPKfi2 | float | 8 | ?? | Height of FreqPKfi2 using PK method {catalogue TType keyword: HeightPKfi2} | -9.999995e8 | |
| freqPLfi2 | float | 8 | days^{-1} | Main variability frequency using panchromatic period method {catalogue TType keyword: FreqPLfi2} | -9.999995e8 | |
| HeightPLfi2 | float | 8 | ?? | Height of FreqPLfi2 considering PL method {catalogue TType keyword: HeightPLfi2} | -9.999995e8 | |
| freqLSG | float | 8 | days^{-1} | main variability frequency using Lomb-Scargle generalized method {catalogue TType keyword: FreqLSG} | -9.999995e8 | |
| HeightLSG | float | 8 | ?? | Height of FreqLSG considering LSG method {catalogue TType keyword: HeightLSG} | -9.999995e8 | |
| freqPDM | float | 8 | days^{-1} | Main variability frequency using Phase Dispersion Minimization method {catalogue TType keyword: FreqPDM} | -9.999995e8 | |
| HeightPDM | float | 8 | ?? | Height of FreqPDM considering PDM method {catalogue TType keyword: HeightPDM} | -9.999995e8 | |
| freqSTR | float | 8 | days^{-1} | Main variability frequency using String Length Method method {catalogue TType keyword: FreqSTR} | -9.999995e8 | |
| HeightSTR | float | 8 | ?? | Height of FreqSTR considering STR method {catalogue TType keyword: HeightSTR} | -9.999995e8 | |
| BestPeriod | float | 8 | days | The best period estimation, using best frequency from the five, based in the signal to noise value {catalogue TType keyword: BestPeriod} | -9.999995e8 | |
| SNRfit | float | 8 | ?? | The signal-to-noise value related with the best period estimation {catalogue TType keyword: SNRphase} | -9.999995e8 | |
| aVar | float | 8 | mag | The difference between 5th and 95th percentile of magnitude in order to provide a rough estimation of variability amplitude {catalogue TType keyword: Avar} | -9.999995e8 | |
| flagNfreq | smallint | 2 | Number of frequencies in agreement with FreqLSG or its harmonic or subharmonic. It assumes values from 1 to 5 {catalogue TType keyword: FlagNfreq} | -9999 | ||
| flagFbias6 | int | 4 | Counts of periods within $10^{-6}$ periods, calculated per tile (for more details see Sect. \ref{sec_mainperiod}) related with FreqLSG {catalogue TType keyword: FlagFbias6} | -9999 | ||
| flagFbias7 | int | 4 | Counts of periods within $10^{-7}$ periods, calculated per tile (for more details see Sect. \ref{sec_mainperiod}) related with FreqLSG {catalogue TType keyword: FlagFbias7} | -9999 | ||
| Total length | 314 |