VizieR

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VizieR

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II/321/iphas2 IPHAS DR2 Source Catalogue (Barentsen+, 2014)
IPHAS DR2 (218,991,524 sources) (218991524 rows)
  IPHAS===J191305.68+154642.4
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ColumnValue  Explain   (UCD)
_RAJ200019 13 05.6760 "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+15 46 42.348 "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)
_RAB195019 10 49.7870 "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+15 41 32.843 "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)
_Glon049.4113625 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+02.4747969 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)

IPHASJ191305.68+154642.4  (i) IPHAS name, based on J2000 position (meta.id;meta.main)
RAJ2000288.27365 deg (i) Right ascension (J2000) from r-band (pos.eq.ra;meta.main)
DEJ2000+15.77843 deg (i) Declination (J2000) from r-band (pos.eq.dec;meta.main)
sourceID562663-1-15676  (i) Unique identification number (meta.id)
posErr 0.11 arcsec RMS residual against 2MASS across the CCD (stat.error)
mergedClass 1  Image classification flag (Note 1)   (meta.code.class)
mergedClassStat 29.59  Merge stellarness-of-profile statistic (stat)
pStar 0.00  Point source probability (stat.fit.goodness)
pGalaxy 0.99  Extended source probability (stat.fit.goodness)
pNoise 0.00  Noise source probability (stat.fit.goodness)
rmi  mag r-i colour (phot.color;em.opt.R;em.opt.I)
rmha 3.00 mag r-Halpha colour (phot.color;em.opt.R;em.line.Halpha)
r18.31 mag (i) r mag using 2.3 arcsec diameter aperture (Vega scale) (phot.mag;em.opt.R)
rErr 0.02 mag Uncertainty for r (Note 2)   (stat.error;phot.mag)
rPeakMag19.56 mag Alternative r mag derived from the peak pixel height (Vega scale) (phot.mag;em.opt.R)
rPeakMagErr 0.09 mag Uncertainty in rPeakMag (Note 2)   (stat.error;phot.mag)
rAperMag119.06 mag Alternative r mag using the 1.2 arcsec diameter aperture (Vega scale) (phot.mag)
rAperMag1Err 0.03 mag Uncertainty in rAperMag1 (Note 2)   (stat.error;phot.mag)
rAperMag317.81 mag Alternative r mag using the 3.3 arcsec diameter aperture (Vega scale) (phot.mag)
rAperMag3Err 0.014 mag Uncertainty in rAperMag3 (Note 2)   (stat.error;phot.mag)
rGauSig 1.35 pix RMS of axes of ellipse fit in r-band (stat.error)
rEll 0.56   Ellipticity in the r-band (src.ellipticity)
rPA 85.97 deg Position angle in the r-band (pos.posAng)
rClass 1  Discrete image classification flag (Note 3)   (meta.code.class)
rClassStat 20.33   N(0,1) stellarness-of-profile statistic (stat)
rDeblend1   [0,1] Blend flag for r-band. (meta.code)
rSaturated0   [0,1] Saturation flag for r-band (meta.code)
rMJD54250.00987 d Modified Julian Date for the r exposure (time.epoch)
rSeeing 0.89 arcsec Average FWHM in the same CCD frame (phys.angSize)
rDetectionID562663-1-15676   Unique identifier of the r detection (Note 4)   (meta.id)
rX 198.00 pix Pixel position in the r-band exposure (pos.cartesian.x;instr.det)
rY3434.38 pix Pixel position in the r-band exposure (pos.cartesian.y;instr.det)
i  mag (i) i mag using 2.3 arcsec diameter aperture (Vega scale) (phot.mag;em.opt.I)
iErr  mag Uncertainty for i (Note 2)   (stat.error;phot.mag)
iPeakMag  mag Alternative i mag derived from the peak pixel height (Vega scale) (phot.mag;em.opt.I)
iPeakMagErr  mag Uncertainty in iPeakMag (Note 2)   (stat.error;phot.mag)
iAperMag1  mag Alternative i mag using the 1.2 arcsec diameter aperture (Vega scale) (phot.mag)
iAperMag1Err  mag Uncertainty in iAperMag1 (Note 2)   (stat.error;phot.mag)
iAperMag3  mag Alternative i mag using the 3.3 arcsec diameter aperture (Vega scale) (phot.mag)
iAperMag3Err  mag Uncertainty in iAperMag3 (Note 2)   (stat.error;phot.mag)
iGauSig  pix RMS of axes of ellipse fit in i-band (stat.error)
iEll    Ellipticity in the i-band (src.ellipticity)
iPA  deg Position angle in the i-band (pos.posAng)
iClass-1  Discrete image classification flag (Note 3)   (meta.code.class)
iClassStat    N(0,1) stellarness-of-profile statistic (stat)
iDeblend0   [0,1] Blend flag for i-band. (meta.code)
iSaturated0   [0,1] Saturation flag for i-band (meta.code)
iMJD  d Modified Julian Date for the i exposure (time.epoch)
iSeeing  arcsec Average FWHM in the same CCD frame (phys.angSize)
iDetectionID    Unique identifier of the i detection (Note 4)   (meta.id)
iX  pix Pixel position in the i-band exposure (pos.cartesian.x;instr.det)
iY  pix Pixel position in the i-band exposure (pos.cartesian.y;instr.det)
iXi  arcsec offset of the i-band position relative to the ra column (pos.angDistance)
iEta  arcsec offset of the i-band position relative to the dec column (pos.angDistance)
ha15.30 mag (i) H-alpha mag using 2.3" diameter aperture (Vega scale) (phot.mag)
haErr 0.00 mag Uncertainty for H-alpha (Note 2)   (stat.error;phot.mag)
haPeakMag16.20 mag Alternative H-alpha mag derived from the peak pixel height (Vega scale) (phot.mag)
haPeakMagErr 0.03 mag Uncertainty in haPeakMag (Note 2)   (stat.error;phot.mag)
haAperMag115.90 mag Alternative H-alpha mag using the 1.2 arcsec diameter aperture (Vega scale) (phot.mag)
haAperMag1Err 0.01 mag Uncertainty in haAperMag1 (Note 2)   (stat.error;phot.mag)
haAperMag314.85 mag Alternative H-alpha mag using the 3.3 arcsec diameter aperture (Vega scale) (phot.mag)
haAperMag3Err 0.00 mag Uncertainty in iAperMag3 (Note 2)   (stat.error;phot.mag)
haGauSig 1.00 pix RMS of axes of ellipse fit in H-alpha (stat.error)
haEll 0.30   Ellipticity in H-alpha (src.ellipticity)
haPA 94.54 deg Position angle in H-alpha (pos.posAng;spect.line)
haClass 1  Discrete image classification flag (Note 3)   (meta.code.class)
haClassStat 21.52   N(0,1) stellarness-of-profile statistic (stat)
haDeblend1   [0,1] Blend flag for H-alpha (meta.code)
haSaturated0   [0,1] Saturation flag for H-alpha (meta.code)
haMJD54250.00781 d Modified Julian Date for the Ha exposure (time.epoch)
haSeeing 1.13 arcsec Average FWHM in the same CCD frame (phys.angSize)
haDetectionID562662-1-10702   Unique ID of the H-alpha detection (Note 4)   (meta.id)
haX 198.43 pix Pixel position in the H-alpha exposure (pos.cartesian.x;instr.det)
haY3436.95 pix Pixel position in the H-alpha exposure (pos.cartesian.y;instr.det)
haXi 0.06 arcsec offset of the H-alpha position relative to the ra column (pos.angDistance)
haEta 0.00 arcsec offset of the H-alpha position relative to the dec column (pos.angDistance)
brightNeighb0   [0,1] Nearby very bright star flag (Note 5)   (meta.code)
deblend1   [0,1] Blend flag (meta.code)
saturated0   [0,1] Saturation flag (meta.code)
nBands2  Number of bands for source detection (meta.number)
a100   [0,1] signal-to-noise >10 flag (Note 6)   (meta.code)
a10point0   [0,1] quality criteria flag (Note 7)   (meta.code.qual)
fieldID4661_may2007  Survey field identifier (meta.id;obs.field)
fieldGradeA++  Internal quality control score (meta.code.qual)
night20070529  UT date at the start of the night (time.epoch)
seeing 1.13 arcsec Maximum of rSeeing, iSeeing or HaSeeing (phys.angSize)
ccd1   [1-4] CCD chip number (meta.id)
nObs2   [1-9] Number of observations of the source (meta.number)
sourceID2    SourceID of the alternative detection of the object in the partner exposure (meta.id)
fieldID2    Field identifier of the partner detection (meta.id;instr.saturation;obs.field)
r2  mag r mag in the dithered partner field (Vega scale) (phot.mag;em.opt.R)
rErr2  mag Uncertainty for r2 (stat.error;phot.mag)
i2  mag i mag in the dithered partner field (Vega scale) (phot.mag;em.opt.I)
iErr2  mag Uncertainty for i2 (stat.error;phot.mag)
ha2  mag Ha mag in the dithered partner field (Vega scale) (phot.mag)
haErr2  mag Uncertainty for ha2 (stat.error;phot.mag)
errBits2    Error bitmask for the partner detection (Note 8)   (meta.code.qual)
  
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