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VizieR

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VII/273/hmq The Half Million Quasars (HMQ) catalogue (Flesch, 2015)
The Half Million Quasars catalogue (510764 rows)
  recno=457404
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200020 06 31.86667 "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)
_DEJ2000-15 39 07.0000 "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)
_RAB195020 03 42.00311 "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)
_DEB1950-15 47 47.3189 "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)
_Glon026.74644895 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-23.50444520 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)
457404recno 457404  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000301.632778 deg (i) Right ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
DEJ2000-15.651944 deg (i) Declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
NameIRAS 20037-1547  ID from the literature (meta.id;meta.main)
r_Name 301   Reference for name, in refs.dat file (meta.ref;pos.frame)
ClQ   [ABKQq] Classification of object (Note 2)   (src.class)
AR   [2RX ] Summary of associations for object (Note 3)   (meta.code)
Rmag15.0 mag Red optical magnitude (Note 4)   (phot.mag;em.opt.R)
Bmag16.8 mag Blue optical magnitude (Note 4)   (phot.mag;em.opt.B)
Comp  Comment on optical object (Note 5)   (meta.note;spect.dopplerVeloc.opt;em.opt)
Rn   [1nx-] Red optical PSF class (Note 6)   (src.class.starGalaxy)
Bn   [1nx-] Blue optical PSF class (Note 6)   (src.class.starGalaxy)
z 0.192   Redshift from the literature (Note 7)   (src.redshift)
r_z1061   Reference for redshift, in refs.dat file (meta.ref;pos.frame)
XName   X-ray ID, if any (Note 9)   (meta.id.assoc)
RNameNVSS J200631.8-153905  Radio ID, if any (Note 9)   (meta.id.assoc)
Lobe1   Radio lobe ID or extra R/X ID, if any (Note 9)   (meta.id.assoc)
Lobe2   Radio lobe ID or extra X-ray ID, if any (Note 9)   (meta.id.assoc)
  
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