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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=118610
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200018 16 50.123376 "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)
_DEJ2000-19 53 21.53256 "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 13 52.206085 "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)
_DEB1950-19 54 28.61711 "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)
_Glon011.374832634 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-01.676139892 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)
118610recno 118610  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameJ181650.12-195321.5  AllWISE Identifier (meta.id;meta.main)
RAJ2000274.2088474 deg (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000-19.8893146 deg (i) Declination (J2000.0) (pos.eq.dec;meta.main)
GLON 11.3747848 deg Galactic longitude (pos.galactic.lon)
GLAT -1.6760588 deg Galactic latitude (pos.galactic.lat)
W1mag 8.312 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 45.6  Instrumental profile-fit photometry S/N ratio, band 1 (instr.precision;arith.ratio)
w1rchi2 27.0300010  Instrumental profile-fit photometry reduced chi2, band 1 (stat.fit.chi2)
W2mag 7.542 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 50.6  Instrumental profile-fit photometry S/N ratio, band 2 (instr.precision;arith.ratio)
W2rchi2 18.3099990  Instrumental profile-fit photometry reduced chi^2, band 2 (stat.fit.chi2)
W3mag 2.618 mag Instrumental profile-fit photometry magnitude, band 3 (phot.flux.density;em.IR.8-15um)
e_W3mag 0.016 mag Instrumental profile-fit photometry flux uncertainty in mag units, band 3 (stat.error;phot.mag)
W3snr 69.4  Instrumental profile-fit photometry S/N ratio, band 3 (instr.precision;arith.ratio)
W3rchi2 22.9000000  Instrumental profile-fit photometry reduced chi^2, band 3 (stat.fit.chi2)
W4mag-0.269 mag Instrumental profile-fit photometry magnitude, band 4 (phot.flux.density;em.IR.15-30um)
e_W4mag 0.021 mag Instrumental profile-fit photometry flux uncertainty in mag units, band 4 (stat.error;phot.mag)
W4snr 51.8  Instrumental profile-fit photometry S/N ratio, band 4 (instr.precision;arith.ratio)
W4rchi2 7.3660000   Instrumental profile-fit photometry reduced chi^2, band 4 (stat.fit.chi2)
rchi2 19.9300000   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)
phQualAAAA  Photometric quality of each band (A=highest, U=upper limit) (meta.code.qual)
W1nm 22  Number of profile-fit flux measurements for source with SNR ≥ 3, band 1 (meta.number)
W1m 22  Number of profile-fit flux measurements for source, band 1 (meta.number)
W2nm 22  Number of profile-fit flux measurements for source with SNR ≥ 3, band 2 (meta.number)
W2m 22  Number of profile-fit flux measurements for source, band 2 (meta.number)
W3nm 11  Number of profile-fit flux measurements for source with SNR ≥ 3, band 3 (meta.number)
W3m 11  Number of profile-fit flux measurements for source, band 3 (meta.number)
W4nm 11  Number of profile-fit flux measurements for source with SNR ≥ 3, band (meta.number)
W4m 11  Number of profile-fit flux measurements for source, band 4 (meta.number)
2MASSKey 469595945  Closest associated 2MASS All-Sky Release PSC key (meta.id)
Jmag14.465 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)
Hmag12.018 mag H magnitude entry of the associated 2MASS All-Sky PSC source (phot.mag;em.IR.H)
e_Hmag 0.034 mag H photometric uncertainty of the associated 2MASS All-Sky PSC source (stat.error;phot.mag;em.IR.H)
Ksmag10.488 mag Ks magnitude entry of the associated 2MASS All-Sky PSC source (phot.mag;em.IR.K)
e_Ksmag 0.033 mag Ks photometric uncertainty of the associated 2MASS All-Sky PSC source (stat.error;phot.mag;em.IR.K)
SNameIRAS 18138-1954  Source identifier as listed in SIMBAD (Note 1)   (meta.id)
STypeIR  SIMBAD maintype of the identified source (Note 1)   (src.class)
SDist 4.760 arcsec Angular distance between AllWISE position and the SIMBAD counterpart (Note 1)   (pos.angDistance)
tau 0.0006347  Optical depth at 353GHz from Planck HFICompMapThermalDustModel2048R1.20.fits (phys.absorption.opticalDepth)
  
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