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J/A+A/618/A144/qcc QSO candidates catalog with APOP & ALLWISE (QCC) (Guo+, 2018)
Quasar candidates (662753 rows)
  recno=470735
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ColumnValue  Explain   (UCD)
_RAJ200016 13 45.363866640 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+46 37 32.29999680 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 12 14.855643315 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+46 45 03.45180401 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon073.114972863371 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+46.018901160529 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)
470735recno 470735  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 9854  ID1 of the unique union id (ID1,ID2) (Note 1)   (meta.id.part;meta.main)
ID2 8109  ID2 of the unique union id (ID1,ID2) (Note 1)   (meta.id.part;meta.main)
RAJ2000243.4390161110 deg (i) Right ascension (J2000.0) (Note 2)   (pos.eq.ra;meta.main)
e_RAJ2000 70 mas Error of right ascension (stat.error;pos.eq.ra)
DEJ2000+46.6256388880 deg (i) Declination (J2000.0) (Note 2)   (pos.eq.dec;meta.main)
e_DEJ2000 81 mas Error of declination (stat.error;pos.eq.dec)
pmRA 2.80 mas/yr Proper motion in RA direction (pos.pm;pos.eq.ra)
e_pmRA 2.20 mas/yr Error of proper motion in ra direction (stat.error;pos.pm;pos.eq.ra)
pmDE -4.40 mas/yr Proper motion in DEcdirection (pos.pm;pos.eq.dec)
e_pmDE 2.60 mas/yr Error of proper motion in dec direction (stat.error;pos.pm;pos.eq.dec)
Rmag 17.309 mag R photographic magnitude (Note 3)   (phot.mag;em.opt.R)
Bmag 18.029 mag B photographic magnitude (Note 3)   (phot.mag;em.opt.B)
Vmag 18.647 mag V photographic magnitude (Note 3)   (phot.mag;em.opt.V)
Imag 17.260 mag I photographic magnitude (Note 3)   (phot.mag;em.opt.I)
Jmag 16.543 mag J photographic magnitude (Note 3)   (phot.mag;em.IR.J)
Hmag 16.098 mag H photographic magnitude (Note 3)   (phot.mag;em.IR.H)
Kmag 15.569 mag K photographic magnitude (Note 3)   (phot.mag;em.IR.K)
W1mag 13.351 mag W1 photographic magnitude (Note 3)   (phot.mag;em.IR.3-4um)
W2mag 12.371 mag W2 photographic magnitude (Note 3)   (phot.mag;em.IR.4-8um)
W3mag 9.808 mag W3 photographic magnitude (Note 3)   (phot.flux.density;em.IR.8-15um)
W4mag 7.489 mag W4 photographic magnitude (Note 3)   (phot.flux.density;em.IR.15-30um)
QSOflagg   [sgo] QSO in SDSS (s) or in LAMOST (g) (Note 4)   (meta.code)
z 0.5086   Redshift from SDSS and LAMOST, (src.redshift)
zflagg   [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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