VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
CDS

VizieR

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II/341/vphasp VPHAS+ DR2 survey (Drew+, 2016)
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VPHAS+ 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) 		  -c=275.33503 -16.42045, eq=J2000, rs=2
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Note:

ColumnValue  Explain   (UCD)
_r0.00 arcsec Distance from center (275.33503-16.42045)[FK5/J2000] (pos.angDistance)
_RAJ200018 21 20.4072 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-16 25 13.620 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195018 18 26.9884 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-16 26 40.510 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon014.9386170 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-00.9803435 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
sourceID0481b-8-1638  (i) Unique VPHAS source identifier in the format field-extension-number (sourceID) (meta.id)
RAJ2000275.33503 deg (i) Right Ascension in decimal degrees (J2000) (RAJ2000) (pos.eq.ra;meta.main)
DEJ2000-16.42045 deg (i) Declination in decimal degrees (J2000) (DEJ2000) (pos.eq.dec;meta.main)
nameVPHASDR2 J182120.4-162513.6  Position-based source name. Not a unique identifier (VPHASDR2 JHHMMSS.s+DDMMSS.s) (name) (meta.id;meta.main)
primaryID0481b-8-1638  SourceID of the preferred catalogue entry for this source (primaryID) (meta.id)
Primary_source1   [0/1] Flag =1 if the entry is the preferred observation of a unique source (Primary_source) (meta.code)
nObs1   [1-6] Number of observations of this source in the survey (nObs) (meta.number)
clean0   [0/1] =1 if cleang, cleanr2, cleanha, cleanr and cleani are true (clean) (meta.code)
u_g  mag (u-g) colour index, formed by subtracting columns u and g (u_g) (phot.color;em.opt.U;em.opt.B)
g_r2  mag (g-r2) colour index, formed by subtracting columns g and r2 (g_r2) (phot.color;em.opt.B;em.opt.R)
r_i  mag (r-i) colour index, formed by subtracting columns r and i (r_i) (phot.color;em.opt.R;em.opt.I)
r_ha  mag (r-Halpha) colour index, formed by subtracting columns r and ha (r_ha) (phot.color;em.opt.R;em.line.Halpha)
clean_u0   [0/1] =1 if the u-band detection is significant and the PSF fit good (clean_u) (meta.code)
u  mag (i) Default u-band VEGA magnitude obtained using PSF fitting (u) (phot.mag;em.opt.U)
u_AB  mag Default u-band AB magnitude obtained using PSF fitting (u_AB) (phot.mag;em.opt.U)
err_u  mag Statistical uncertainty for u, not including systematics (err_u) (stat.error;phot.mag;em.opt.U)
chi_u    Goodness of the PSF fit in u, as determined by DAOPHOT ALLSTAR (chi_u) (stat.fit.goodness;instr.det.psf)
warning_uToo_faint  Flags problems encountered while fitting the PSF, if any (warning_u) (Note 1)   (meta.code)
aperMag_u  mag u-band VEGA magnitude obtained using aperture photometry (aperMag_u) (phot.mag;em.opt.U)
aperMag_u_AB  mag u-band AB magnitude obtained using aperture photometry (aperMag_u_AB) (phot.mag;em.opt.U)
aperMagErr_u  mag Statistical uncertainty for umagap, not including systematics (aperMagErr_u) (stat.error;pos.cartesian.x)
snr_u    Ratio of the signal in the aperture relative to the background (snr_u) (stat.snr)
magLim_u  mag The Vega magnitude a SNR=3 source would have at this position (magLim_u) (phot.mag)
psffwhm_u 1.39 arcsec Typical PSF FWHM in the CCD frame (psffwhm_u) (phys.angSize)
mjd_u56536.09 d Modified Julian Date at the start of the u-band exposure (mjd_u) (time.epoch)
detectionID_u20130831-00106-8-1638  Detection identifier: night-#exposure-#extension-#number (detectionID_u) (meta.id)
clean_g0   [0/1] =1 if the g-band detection is significant and the PSF fit good (clean_g) (meta.code)
g  mag (i) Default g-band VEGA magnitude obtained using PSF fitting (g) (phot.mag;em.opt.B)
g_AB  mag Default g-band AB magnitude obtained using PSF fitting (g_AB) (phot.mag;em.opt.B)
err_g  mag Statistical uncertainty for g, not including systematics (err_g) (stat.error;phot.mag;em.opt.B)
chi_g    Goodness of the PSF fit in g, as determined by DAOPHOT ALLSTAR (chi_g) (stat.fit.goodness;instr.det.psf)
warning_gToo_faint  Flags problems encountered while fitting the PSF, if any (warning_g) (Note 1)   (meta.code)
aperMag_g  mag g-band VEGA magnitude obtained using aperture photometry (aperMag_g) (phot.mag;em.opt.B)
aperMag_g_AB  mag g-band AB magnitude obtained using aperture photometry (aperMag_g_AB) (phot.mag;em.opt.B)
aperMagErr_g  mag Statistical uncertainty for gmagap, not including systematics (aperMagErr_g) (stat.error)
snr_g    Ratio of the signal in the aperture relative to the background (snr_g) (stat.snr)
magLim_g  mag The Vega magnitude a SNR=3 source would have at this position (magLim_g) (phot.mag)
psffwhm_g 1.09 arcsec Typical PSF FWHM in the CCD frame (psffwhm_g) (phys.angSize)
mjd_g56536.11 d Modified Julian Date at the start of the g-band exposure (mjd_g) (time.epoch)
detectionID_g20130831-00115-8-1638  Detection identifier: night-#exposure-#extension-#number (detectionID_g) (meta.id)
clean_r20   [0/1] =1 if the r2-band detection is significant and the PSF fit good (clean_r2) (meta.code)
r2  mag Second r-band VEGA magnitude obtained using PSF fitting (r2) (phot.mag;em.opt.R)
r2_AB  mag Second r-band AB magnitude obtained using PSF fitting (r2_AB) (phot.mag;em.opt.R)
err_r2  mag Statistical uncertainty for r2, not including systematics (err_r2) (stat.error;phot.mag)
chi_r2    Goodness of the PSF fit in r2, as determined by DAOPHOT ALLSTAR (chi_r2) (stat.fit.goodness;instr.det.psf)
warning_r2Too_faint  Flags problems encountered while fitting the PSF, if any (warning_r2) (Note 1)   (meta.code)
aperMag_r2  mag r2-band VEGA magnitude obtained using aperture photometry (aperMag_r2) (phot.mag;em.opt.R)
aperMag_r2_AB  mag r2-band AB magnitude obtained using aperture photometry (aperMag_r2_AB) (phot.mag;em.opt.R)
aperMagErr_r2  mag Statistical uncertainty for r2magap, not including systematics (aperMagErr_r2) (stat.error)
snr_r2    Ratio of the signal in the aperture relative to the background (snr_r2) (stat.snr)
magLim_r2  mag The Vega magnitude a SNR=3 source would have at this position (magLim_r2) (phot.mag)
psffwhm_r2 0.85 arcsec Typical PSF FWHM in the CCD frame (psffwhm_r2) (phys.angSize)
mjd_r256536.12 d Modified Julian Date at the start of the r2-band exposure (mjd_r2) (time.epoch)
detectionID_r220130831-00123-8-1638  Detection identifier: night-#exposure-#extension-#number (detectionID_r2) (meta.id)
clean_ha0   [0/1] =1 if the H-alpha detection is significant and the PSF fit good (clean_ha) (meta.code)
ha  mag Default H-alpha VEGA magnitude obtained using PSF fitting (ha) (phot.flux;em.line.Halpha)
err_ha  mag Statistical uncertainty for ha, not including systematics (err_ha) (stat.error;phot.mag;em.IR.H)
chi_ha    Goodness of the PSF fit in H-alpha, as determined by DAOPHOT (chi_ha) (stat.fit.goodness;instr.det.psf)
warning_haToo_faint  Flags problems encountered while fitting the PSF, if any (warning_ha) (Note 1)   (meta.code)
aperMag_ha  mag H-alpha VEGA magnitude obtained using aperture photometry (aperMag_ha) (phot.flux;em.line.Halpha)
aperMagErr_ha  mag Statistical uncertainty for Hamagap, not including systematics (aperMagErr_ha) (stat.error)
snr_ha    Ratio of the signal in the aperture relative to the background (snr_ha) (stat.snr)
magLim_ha  mag The Vega magnitude a SNR=3 source would have at this position (magLim_ha) (phot.mag)
psffwhm_ha 0.94 arcsec Typical PSF FWHM in the CCD frame (psffwhm_ha) (phys.angSize)
mjd_ha56507.07 d Modified Julian Date at the start of the H-alpha exposure (mjd_ha) (time.epoch)
detectionID_ha20130802-00050-8-1638  Detection identifier: night-#exposure-#extension-#number (detectionID_ha) (meta.id)
clean_r0   [0/1] =1 if the r-band detection is significant and the PSF fit good (clean_r) (meta.code)
r  mag (i) Default r-band VEGA magnitude obtained using PSF fitting (r) (phot.mag;em.opt.R)
r_AB  mag Default r-band AB magnitude obtained using PSF fitting (r_AB) (phot.mag;em.opt.R)
err_r  mag Statistical uncertainty for r, not including systematics (err_r) (stat.error;phot.mag;em.opt.R)
chi_r    Goodness of the PSF fit in r, as determined by DAOPHOT ALLSTAR (chi_r) (stat.fit.goodness;instr.det.psf)
warning_rToo_faint  Flags problems encountered while fitting the PSF, if any (warning_r) (Note 1)   (meta.code)
aperMag_r  mag r-band VEGA magnitude obtained using aperture photometry (aperMag_r) (phot.mag;em.opt.R)
aperMag_r_AB  mag r-band AB magnitude obtained using aperture photometry (aperMag_r_AB) (phot.mag;em.opt.R)
aperMagErr_r  mag Statistical uncertainty for rmagap, not including systematics (aperMagErr_r) (stat.error)
snr_r    Ratio of the signal in the aperture relative to the background (snr_r) (stat.snr)
magLim_r  mag The Vega magnitude a SNR=3 source would have at this position (magLim_r) (phot.mag)
psffwhm_r 0.88 arcsec Typical PSF FWHM in the CCD frame (psffwhm_r) (phys.angSize)
mjd_r56507.08 d Modified Julian Date at the start of the r-band exposure (mjd_r) (time.epoch)
detectionID_r20130802-00056-8-1638  Detection identifier: night-#exposure-#extension-#number (detectionID_r) (meta.id)
clean_i0   [0/1] =1 if the i-band detection is significant and the PSF fit good (clean_i) (meta.code)
i21.40 mag (i) Default i-band VEGA magnitude obtained using PSF fitting (i) (phot.mag;em.opt.I)
i_AB21.77 mag Default i-band AB magnitude obtained using PSF fitting (i_AB) (phot.mag;em.opt.I)
err_i 0.25 mag Statistical uncertainty for i, not including systematics (err_i) (stat.error;phot.mag;em.opt.I)
chi_i 1.2   Goodness of the PSF fit in i, as determined by DAOPHOT ALLSTAR (chi_i) (stat.fit.goodness;instr.det.psf)
warning_iNo_error  Flags problems encountered while fitting the PSF, if any (warning_i) (Note 1)   (meta.code)
aperMag_i20.86 mag i-band VEGA magnitude obtained using aperture photometry (aperMag_i) (phot.mag;em.opt.I)
aperMag_i_AB21.23 mag i-band AB magnitude obtained using aperture photometry (aperMag_i_AB) (phot.mag;em.opt.I)
aperMagErr_i 0.18 mag Statistical uncertainty for imagap, not including systematics (aperMagErr_i) (stat.error)
snr_i 5.7   Ratio of the signal in the aperture relative to the background (snr_i) (stat.snr)
magLim_i21.6 mag The Vega magnitude a SNR=3 source would have at this position (magLim_i) (phot.mag)
psffwhm_i 0.72 arcsec Typical PSF FWHM in the CCD frame (psffwhm_i) (phys.angSize)
mjd_i56507.09 d Modified Julian Date at the start of the i-band exposure (mjd_i) (time.epoch)
detectionID_i20130802-00062-8-1638  Detection identifier: night-#exposure-#extension-#number (detectionID_i) (meta.id)
field0481b  Survey-specific identifier of the telescope pointing (field) (meta.id;instr.tel)
ext 8   [1/32] OmegaCAM CCD extension used (ext) (phys.angSize;instr.plate)
nbDist 4.5 arcsec Distance to the nearest neighbour detected in (pos.angDistance)
  
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