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II/341
 ESO origin VPHAS+ DR2 survey (Drew+, 2016)
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1.II/341/vphaspVPHAS+ catalogue of 319,126,837 sources. Detailed description and explanations are available in the public pages of the VPHAS+ catalogues. Please acknowledge the usage of VPHAS+ survey. (original column names in green) (319126837 rows)
 

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
Standard Original
ShowSortColumn  Constraint Explain   (UCD)
  sourceID (char) (n)(i) Unique VPHAS source identifier in the format field-extension-number (sourceID) (meta.id)
  RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (RAJ2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) (DEJ2000) (pos.eq.dec;meta.main)
  VPHASDR2 (char) Position-based source name. Not a unique identifier (VPHASDR2 JHHMMSS.s+DDMMSS.s) (name) (meta.id;meta.main)
  PrimaryID (char) SourceID of the preferred catalogue entry for this source (primaryID) (meta.id)
  fPrimary   [0/1] Flag =1 if the entry is the preferred observation of a unique source (Primary_source) (meta.code)
  Nobs   [1-6] Number of observations of this source in the survey (nObs) (meta.number)
  clean   [0/1] =1 if cleang, cleanr2, cleanha, cleanr and cleani are true (clean) (meta.code)
  u-g mag (n) (u-g) colour index, formed by subtracting columns u and g (u_g) (phot.color;em.opt.U;em.opt.B)
  g-r2 mag (n) (g-r2) colour index, formed by subtracting columns g and r2 (g_r2) (phot.color;em.opt.B;em.opt.R)
  r-i mag (n) (r-i) colour index, formed by subtracting columns r and i (r_i) (phot.color;em.opt.R;em.opt.I)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  r-ha mag (n) (r-Halpha) colour index, formed by subtracting columns r and ha (r_ha) (phot.color;em.opt.R;em.line.Halpha)
  cleanu   [0/1] =1 if the u-band detection is significant and the PSF fit good (clean_u) (meta.code)
  umag mag (n)(i) Default u-band VEGA magnitude obtained using PSF fitting (u) (phot.mag;em.opt.U)
  umagAB mag (n) Default u-band AB magnitude obtained using PSF fitting (u_AB) (phot.mag;em.opt.U)
  e_umag mag (n) Statistical uncertainty for u, not including systematics (err_u) (stat.error;phot.mag;em.opt.U)
  chiu  (n) Goodness of the PSF fit in u, as determined by DAOPHOT ALLSTAR (chi_u) (stat.fit.goodness;instr.det.psf)
  warningu (char) Flags problems encountered while fitting the PSF, if any (warning_u) (Note 1)   (meta.code)
  umagap mag (n) u-band VEGA magnitude obtained using aperture photometry (aperMag_u) (phot.mag;em.opt.U)
  umagapAB mag (n) u-band AB magnitude obtained using aperture photometry (aperMag_u_AB) (phot.mag;em.opt.U)
  e_umagap mag (n) Statistical uncertainty for umagap, not including systematics (aperMagErr_u) (stat.error;pos.cartesian.x)
  snru  (n) Ratio of the signal in the aperture relative to the background (snr_u) (stat.snr)
  umaglim mag (n) The Vega magnitude a SNR=3 source would have at this position (magLim_u) (phot.mag)
  PSFFWHMu arcsec (n) Typical PSF FWHM in the CCD frame (psffwhm_u) (phys.angSize)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  MJDu d (n) Modified Julian Date at the start of the u-band exposure (mjd_u) (time.epoch)
  detIDu (char) Detection identifier: night-#exposure-#extension-#number (detectionID_u) (meta.id)
  cleang   [0/1] =1 if the g-band detection is significant and the PSF fit good (clean_g) (meta.code)
  gmag mag (n)(i) Default g-band VEGA magnitude obtained using PSF fitting (g) (phot.mag;em.opt.B)
  gmagAB mag (n) Default g-band AB magnitude obtained using PSF fitting (g_AB) (phot.mag;em.opt.B)
  e_gmag mag (n) Statistical uncertainty for g, not including systematics (err_g) (stat.error;phot.mag;em.opt.B)
  chig  (n) Goodness of the PSF fit in g, as determined by DAOPHOT ALLSTAR (chi_g) (stat.fit.goodness;instr.det.psf)
  warningg (char) Flags problems encountered while fitting the PSF, if any (warning_g) (Note 1)   (meta.code)
  gmagap mag (n) g-band VEGA magnitude obtained using aperture photometry (aperMag_g) (phot.mag;em.opt.B)
  gmagapAB mag (n) g-band AB magnitude obtained using aperture photometry (aperMag_g_AB) (phot.mag;em.opt.B)
  e_gmagap mag (n) Statistical uncertainty for gmagap, not including systematics (aperMagErr_g) (stat.error)
  snrg  (n) Ratio of the signal in the aperture relative to the background (snr_g) (stat.snr)
  gmaglim mag (n) The Vega magnitude a SNR=3 source would have at this position (magLim_g) (phot.mag)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  PSFFWHMg arcsec (n) Typical PSF FWHM in the CCD frame (psffwhm_g) (phys.angSize)
  MJDg d (n) Modified Julian Date at the start of the g-band exposure (mjd_g) (time.epoch)
  detIDg (char) Detection identifier: night-#exposure-#extension-#number (detectionID_g) (meta.id)
  cleanr2   [0/1] =1 if the r2-band detection is significant and the PSF fit good (clean_r2) (meta.code)
  r2mag mag (n) Second r-band VEGA magnitude obtained using PSF fitting (r2) (phot.mag;em.opt.R)
  r2magAB mag (n) Second r-band AB magnitude obtained using PSF fitting (r2_AB) (phot.mag;em.opt.R)
  e_r2mag mag (n) Statistical uncertainty for r2, not including systematics (err_r2) (stat.error;phot.mag)
  chir2  (n) Goodness of the PSF fit in r2, as determined by DAOPHOT ALLSTAR (chi_r2) (stat.fit.goodness;instr.det.psf)
  warningr2 (char) Flags problems encountered while fitting the PSF, if any (warning_r2) (Note 1)   (meta.code)
  r2magap mag (n) r2-band VEGA magnitude obtained using aperture photometry (aperMag_r2) (phot.mag;em.opt.R)
  r2magapAB mag (n) r2-band AB magnitude obtained using aperture photometry (aperMag_r2_AB) (phot.mag;em.opt.R)
  e_r2magap mag (n) Statistical uncertainty for r2magap, not including systematics (aperMagErr_r2) (stat.error)
  snrr2  (n) Ratio of the signal in the aperture relative to the background (snr_r2) (stat.snr)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  r2maglim mag (n) The Vega magnitude a SNR=3 source would have at this position (magLim_r2) (phot.mag)
  PSFFWHMr2 arcsec (n) Typical PSF FWHM in the CCD frame (psffwhm_r2) (phys.angSize)
  MJDr2 d (n) Modified Julian Date at the start of the r2-band exposure (mjd_r2) (time.epoch)
  detIDr2 (char) Detection identifier: night-#exposure-#extension-#number (detectionID_r2) (meta.id)
  cleanHa   [0/1] =1 if the H-alpha detection is significant and the PSF fit good (clean_ha) (meta.code)
  Hamag mag (n) Default H-alpha VEGA magnitude obtained using PSF fitting (ha) (phot.flux;em.line.Halpha)
  e_Hamag mag (n) Statistical uncertainty for ha, not including systematics (err_ha) (stat.error;phot.mag;em.IR.H)
  chiHa  (n) Goodness of the PSF fit in H-alpha, as determined by DAOPHOT (chi_ha) (stat.fit.goodness;instr.det.psf)
  warningHa (char) Flags problems encountered while fitting the PSF, if any (warning_ha) (Note 1)   (meta.code)
  Hamagap mag (n) H-alpha VEGA magnitude obtained using aperture photometry (aperMag_ha) (phot.flux;em.line.Halpha)
  e_Hamagap mag (n) Statistical uncertainty for Hamagap, not including systematics (aperMagErr_ha) (stat.error)
  snrHa  (n) Ratio of the signal in the aperture relative to the background (snr_ha) (stat.snr)
  Hamaglim mag (n) The Vega magnitude a SNR=3 source would have at this position (magLim_ha) (phot.mag)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  PSFFWHMHa arcsec (n) Typical PSF FWHM in the CCD frame (psffwhm_ha) (phys.angSize)
  MJDHa d (n) Modified Julian Date at the start of the H-alpha exposure (mjd_ha) (time.epoch)
  detIDHa (char) Detection identifier: night-#exposure-#extension-#number (detectionID_ha) (meta.id)
  cleanr   [0/1] =1 if the r-band detection is significant and the PSF fit good (clean_r) (meta.code)
  rmag mag (n)(i) Default r-band VEGA magnitude obtained using PSF fitting (r) (phot.mag;em.opt.R)
  rmagAB mag (n) Default r-band AB magnitude obtained using PSF fitting (r_AB) (phot.mag;em.opt.R)
  e_rmag mag (n) Statistical uncertainty for r, not including systematics (err_r) (stat.error;phot.mag;em.opt.R)
  chir  (n) Goodness of the PSF fit in r, as determined by DAOPHOT ALLSTAR (chi_r) (stat.fit.goodness;instr.det.psf)
  warningr (char) Flags problems encountered while fitting the PSF, if any (warning_r) (Note 1)   (meta.code)
  rmagap mag (n) r-band VEGA magnitude obtained using aperture photometry (aperMag_r) (phot.mag;em.opt.R)
  rmagapAB mag (n) r-band AB magnitude obtained using aperture photometry (aperMag_r_AB) (phot.mag;em.opt.R)
  e_rmagap mag (n) Statistical uncertainty for rmagap, not including systematics (aperMagErr_r) (stat.error)
  snrr  (n) Ratio of the signal in the aperture relative to the background (snr_r) (stat.snr)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  rmaglim mag (n) The Vega magnitude a SNR=3 source would have at this position (magLim_r) (phot.mag)
  PSFFWHMr arcsec (n) Typical PSF FWHM in the CCD frame (psffwhm_r) (phys.angSize)
  MJDr d (n) Modified Julian Date at the start of the r-band exposure (mjd_r) (time.epoch)
  detIDr (char) Detection identifier: night-#exposure-#extension-#number (detectionID_r) (meta.id)
  cleani   [0/1] =1 if the i-band detection is significant and the PSF fit good (clean_i) (meta.code)
  imag mag (n)(i) Default i-band VEGA magnitude obtained using PSF fitting (i) (phot.mag;em.opt.I)
  imagAB mag (n) Default i-band AB magnitude obtained using PSF fitting (i_AB) (phot.mag;em.opt.I)
  e_imag mag (n) Statistical uncertainty for i, not including systematics (err_i) (stat.error;phot.mag;em.opt.I)
  chii  (n) Goodness of the PSF fit in i, as determined by DAOPHOT ALLSTAR (chi_i) (stat.fit.goodness;instr.det.psf)
  warningi (char) Flags problems encountered while fitting the PSF, if any (warning_i) (Note 1)   (meta.code)
  imagap mag (n) i-band VEGA magnitude obtained using aperture photometry (aperMag_i) (phot.mag;em.opt.I)
  imagapAB mag (n) i-band AB magnitude obtained using aperture photometry (aperMag_i_AB) (phot.mag;em.opt.I)
  e_imagap mag (n) Statistical uncertainty for imagap, not including systematics (aperMagErr_i) (stat.error)
  snri  (n) Ratio of the signal in the aperture relative to the background (snr_i) (stat.snr)
  imaglim mag (n) The Vega magnitude a SNR=3 source would have at this position (magLim_i) (phot.mag)
  PSFFWHMi arcsec Typical PSF FWHM in the CCD frame (psffwhm_i) (phys.angSize)
  MJDi d Modified Julian Date at the start of the i-band exposure (mjd_i) (time.epoch)
  detIDi (char) Detection identifier: night-#exposure-#extension-#number (detectionID_i) (meta.id)
  Field (char) Survey-specific identifier of the telescope pointing (field) (meta.id;instr.tel)
  Ext   [1/32] OmegaCAM CCD extension used (ext) (phys.angSize;instr.plate)
  nbDist arcsec Distance to the nearest neighbour detected in (pos.angDistance)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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