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J/A+A/618/A144/qcc QSO candidates catalog with APOP & ALLWISE (QCC) (Guo+, 2018)
Quasar candidates (662753 rows)
  recno=514637
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ColumnValue  Explain   (UCD)
_RAJ200009 38 14.823466560 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+02 00 23.64499800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 35 39.636433548 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+02 13 56.90816015 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon232.960522227628 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+37.421677883763 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)
514637recno 514637  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 27336  ID1 of the unique union id (ID1,ID2) (Note 1)   (meta.id.part;meta.main)
ID2 4438  ID2 of the unique union id (ID1,ID2) (Note 1)   (meta.id.part;meta.main)
RAJ2000144.5617644440 deg (i) Right ascension (J2000.0) (Note 2)   (pos.eq.ra;meta.main)
e_RAJ2000 23 mas Error of right ascension (stat.error;pos.eq.ra)
DEJ2000+02.0065680550 deg (i) Declination (J2000.0) (Note 2)   (pos.eq.dec;meta.main)
e_DEJ2000 27 mas Error of declination (stat.error;pos.eq.dec)
pmRA -0.20 mas/yr Proper motion in RA direction (pos.pm;pos.eq.ra)
e_pmRA 1.10 mas/yr Error of proper motion in ra direction (stat.error;pos.pm;pos.eq.ra)
pmDE -0.30 mas/yr Proper motion in DEcdirection (pos.pm;pos.eq.dec)
e_pmDE 1.20 mas/yr Error of proper motion in dec direction (stat.error;pos.pm;pos.eq.dec)
Rmag 15.700 mag R photographic magnitude (Note 3)   (phot.mag;em.opt.R)
Bmag 15.797 mag B photographic magnitude (Note 3)   (phot.mag;em.opt.B)
Vmag  mag V photographic magnitude (Note 3)   (phot.mag;em.opt.V)
Imag 15.289 mag I photographic magnitude (Note 3)   (phot.mag;em.opt.I)
Jmag 15.531 mag J photographic magnitude (Note 3)   (phot.mag;em.IR.J)
Hmag 14.821 mag H photographic magnitude (Note 3)   (phot.mag;em.IR.H)
Kmag 13.924 mag K photographic magnitude (Note 3)   (phot.mag;em.IR.K)
W1mag 12.558 mag W1 photographic magnitude (Note 3)   (phot.mag;em.IR.3-4um)
W2mag 11.740 mag W2 photographic magnitude (Note 3)   (phot.mag;em.IR.4-8um)
W3mag 8.885 mag W3 photographic magnitude (Note 3)   (phot.flux.density;em.IR.8-15um)
W4mag 6.668 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 0.1741   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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