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J/A+A/618/A144/qcc QSO candidates catalog with APOP & ALLWISE (QCC) (Guo+, 2018)
Quasar candidates (662753 rows)
  recno=290504
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ColumnValue  Explain   (UCD)
_RAJ200022 33 11.718600000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+22 27 25.94099880 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 30 48.250268570 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+22 11 57.11856384 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon085.584461901248 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-30.209559201774 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)
290504recno 290504  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 13318  ID1 of the unique union id (ID1,ID2) (Note 1)   (meta.id.part;meta.main)
ID2 1781  ID2 of the unique union id (ID1,ID2) (Note 1)   (meta.id.part;meta.main)
RAJ2000338.2988275000 deg (i) Right ascension (J2000.0) (Note 2)   (pos.eq.ra;meta.main)
e_RAJ2000 73 mas Error of right ascension (stat.error;pos.eq.ra)
DEJ2000+22.4572058330 deg (i) Declination (J2000.0) (Note 2)   (pos.eq.dec;meta.main)
e_DEJ2000111 mas Error of declination (stat.error;pos.eq.dec)
pmRA -6.80 mas/yr Proper motion in RA direction (pos.pm;pos.eq.ra)
e_pmRA 3.10 mas/yr Error of proper motion in ra direction (stat.error;pos.pm;pos.eq.ra)
pmDE -7.40 mas/yr Proper motion in DEcdirection (pos.pm;pos.eq.dec)
e_pmDE 4.70 mas/yr Error of proper motion in dec direction (stat.error;pos.pm;pos.eq.dec)
Rmag 18.299 mag R photographic magnitude (Note 3)   (phot.mag;em.opt.R)
Bmag 18.781 mag B photographic magnitude (Note 3)   (phot.mag;em.opt.B)
Vmag 19.059 mag V photographic magnitude (Note 3)   (phot.mag;em.opt.V)
Imag 17.999 mag I photographic magnitude (Note 3)   (phot.mag;em.opt.I)
Jmag  mag J photographic magnitude (Note 3)   (phot.mag;em.IR.J)
Hmag  mag H photographic magnitude (Note 3)   (phot.mag;em.IR.H)
Kmag  mag K photographic magnitude (Note 3)   (phot.mag;em.IR.K)
W1mag 14.954 mag W1 photographic magnitude (Note 3)   (phot.mag;em.IR.3-4um)
W2mag 13.858 mag W2 photographic magnitude (Note 3)   (phot.mag;em.IR.4-8um)
W3mag 11.180 mag W3 photographic magnitude (Note 3)   (phot.flux.density;em.IR.8-15um)
W4mag 9.043 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 0.5848   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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