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J/A+A/618/A144/qcc QSO candidates catalog with APOP & ALLWISE (QCC) (Guo+, 2018)
Quasar candidates (662753 rows)
  recno=611548
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ColumnValue  Explain   (UCD)
_RAJ200009 02 42.551733120 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+30 23 04.60099680 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 59 41.154657705 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+30 34 56.66005009 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon194.830818511704 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+40.295773672211 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)
611548recno 611548  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
apop/AllWiseapop/AllWise  Display thge APOP (Qi et al., 2012. Cat. I/331) and AllWise (Cutri et al., 2013, Cat. II/328) data (meta.ref.url)

ID1 4970  ID1 of the unique union id (ID1,ID2) (Note 1)   (meta.id.part;meta.main)
ID2 5071  ID2 of the unique union id (ID1,ID2) (Note 1)   (meta.id.part;meta.main)
RAJ2000135.6772988880 deg (i) Right ascension (J2000.0) (Note 2)   (pos.eq.ra;meta.main)
e_RAJ2000 35 mas Error of right ascension (stat.error;pos.eq.ra)
DEJ2000+30.3846113880 deg (i) Declination (J2000.0) (Note 2)   (pos.eq.dec;meta.main)
e_DEJ2000 29 mas Error of declination (stat.error;pos.eq.dec)
pmRA -1.70 mas/yr Proper motion in RA direction (pos.pm;pos.eq.ra)
e_pmRA 1.20 mas/yr Error of proper motion in ra direction (stat.error;pos.pm;pos.eq.ra)
pmDE 4.30 mas/yr Proper motion in DEcdirection (pos.pm;pos.eq.dec)
e_pmDE 1.00 mas/yr Error of proper motion in dec direction (stat.error;pos.pm;pos.eq.dec)
Rmag 18.211 mag R photographic magnitude (Note 3)   (phot.mag;em.opt.R)
Bmag 19.351 mag B photographic magnitude (Note 3)   (phot.mag;em.opt.B)
Vmag  mag V photographic magnitude (Note 3)   (phot.mag;em.opt.V)
Imag 17.469 mag I photographic magnitude (Note 3)   (phot.mag;em.opt.I)
Jmag 17.037 mag J photographic magnitude (Note 3)   (phot.mag;em.IR.J)
Hmag 16.372 mag H photographic magnitude (Note 3)   (phot.mag;em.IR.H)
Kmag 15.280 mag K photographic magnitude (Note 3)   (phot.mag;em.IR.K)
W1mag 14.554 mag W1 photographic magnitude (Note 3)   (phot.mag;em.IR.3-4um)
W2mag 13.650 mag W2 photographic magnitude (Note 3)   (phot.mag;em.IR.4-8um)
W3mag 10.785 mag W3 photographic magnitude (Note 3)   (phot.flux.density;em.IR.8-15um)
W4mag 7.950 mag W4 photographic magnitude (Note 3)   (phot.flux.density;em.IR.15-30um)
QSOflags   [sgo] QSO in SDSS (s) or in LAMOST (g) (Note 4)   (meta.code)
z 0.5890   Redshift from SDSS and LAMOST, (src.redshift)
zflags   [sgo] Original of redshift: SDSS (s) or LAMOST (g) (Note 4)   (phot.mag;em.opt.B)
Morflagp   [pe] The classification codes are 'p' = point-like or 'e' = extend source (Note 5)   (meta.code)
  
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