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VizieR

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J/MNRAS/458/3479/clasi-ii SVM selection of WISE YSO Candidates (Marton+, 2016)
Class I/II YSO candidates (133980 rows)
  recno=80764
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ColumnValue  Explain   (UCD)
_RAJ200015 18 27.943224 "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)
_DEJ2000-61 32 53.02104 "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)
_RAB195015 14 21.313671 "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)
_DEB1950-61 21 56.75227 "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)
_Glon319.528809629 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-03.508715657 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)
80764recno 80764  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameJ151827.94-613253.0  AllWISE Identifier (meta.id;meta.main)
RAJ2000229.6164301 deg (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000-61.5480614 deg (i) Declination (J2000.0) (pos.eq.dec;meta.main)
GLON319.5287934 deg Galactic longitude (pos.galactic.lon)
GLAT -3.5086323 deg Galactic latitude (pos.galactic.lat)
W1mag10.935 mag Instrumental profile-fit photometry magnitude, band 1 (phot.mag;em.IR.3-4um)
e_W1mag 0.024 mag Instrumental profile-fit photometry flux uncertainty in mag units, band 1 (stat.error;phot.mag)
W1snr 45.8  Instrumental profile-fit photometry S/N ratio, band 1 (instr.precision;arith.ratio)
w1rchi2 3.1880000  Instrumental profile-fit photometry reduced chi2, band 1 (stat.fit.chi2)
W2mag10.186 mag Instrumental profile-fit photometry magnitude, band (phot.mag;em.IR.4-8um)
e_W2mag 0.021 mag Instrumental profile-fit photometry flux uncertainty in mag units, band 2 (stat.error;phot.mag)
W2snr 50.7  Instrumental profile-fit photometry S/N ratio, band 2 (instr.precision;arith.ratio)
W2rchi2 1.6140000  Instrumental profile-fit photometry reduced chi^2, band 2 (stat.fit.chi2)
W3mag 8.726 mag Instrumental profile-fit photometry magnitude, band 3 (phot.flux.density;em.IR.8-15um)
e_W3mag 0.032 mag Instrumental profile-fit photometry flux uncertainty in mag units, band 3 (stat.error;phot.mag)
W3snr 33.5  Instrumental profile-fit photometry S/N ratio, band 3 (instr.precision;arith.ratio)
W3rchi2 0.9577000  Instrumental profile-fit photometry reduced chi^2, band 3 (stat.fit.chi2)
W4mag 7.803 mag Instrumental profile-fit photometry magnitude, band 4 (phot.flux.density;em.IR.15-30um)
e_W4mag 0.215 mag Instrumental profile-fit photometry flux uncertainty in mag units, band 4 (stat.error;phot.mag)
W4snr 5.0  Instrumental profile-fit photometry S/N ratio, band 4 (instr.precision;arith.ratio)
W4rchi2 0.8581000   Instrumental profile-fit photometry reduced chi^2, band 4 (stat.fit.chi2)
rchi2 1.9360000   Instrumental profile-fit photometry reduced chi squared, total (stat.fit.chi2)
extflag1  Probability that source morphology is not consistent with single PSF (stat.fit.goodness)
phQualAAAB  Photometric quality of each band (A=highest, U=upper limit) (meta.code.qual)
W1nm 31  Number of profile-fit flux measurements for source with SNR ≥ 3, band 1 (meta.number)
W1m 31  Number of profile-fit flux measurements for source, band 1 (meta.number)
W2nm 31  Number of profile-fit flux measurements for source with SNR ≥ 3, band 2 (meta.number)
W2m 31  Number of profile-fit flux measurements for source, band 2 (meta.number)
W3nm 14  Number of profile-fit flux measurements for source with SNR ≥ 3, band 3 (meta.number)
W3m 14  Number of profile-fit flux measurements for source, band 3 (meta.number)
W4nm 1  Number of profile-fit flux measurements for source with SNR ≥ 3, band (meta.number)
W4m 14  Number of profile-fit flux measurements for source, band 4 (meta.number)
2MASSKey 974667935  Closest associated 2MASS All-Sky Release PSC key (meta.id)
Jmag14.735 mag J magnitude entry of the associated 2MASS All-Sky PSC source (phot.mag;em.IR.J)
e_Jmag 0.053 mag J photometric uncertainty of the associated 2MASS All-Sky PSC source (stat.error;phot.mag;em.IR.J)
Hmag13.111 mag H magnitude entry of the associated 2MASS All-Sky PSC source (phot.mag;em.IR.H)
e_Hmag 0.038 mag H photometric uncertainty of the associated 2MASS All-Sky PSC source (stat.error;phot.mag;em.IR.H)
Ksmag11.825 mag Ks magnitude entry of the associated 2MASS All-Sky PSC source (phot.mag;em.IR.K)
e_Ksmag 0.023 mag Ks photometric uncertainty of the associated 2MASS All-Sky PSC source (stat.error;phot.mag;em.IR.K)
SName?  Source identifier as listed in SIMBAD (Note 1)   (meta.id)
SType?  SIMBAD maintype of the identified source (Note 1)   (src.class)
SDist  arcsec Angular distance between AllWISE position and the SIMBAD counterpart (Note 1)   (pos.angDistance)
tau 0.0000676  Optical depth at 353GHz from Planck HFICompMapThermalDustModel2048R1.20.fits (phys.absorption.opticalDepth)
  
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