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J/A+A/614/A140/lqac4 Large Quasar Astrometric Catalogue 4, LQAC-4 (Gattano+, 2018)
4th release of the Large Quasar Astrometric Catalogue (443725 rows)
  recno=306964
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200014 01 15.200354184 "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+01 53 46.92744744 "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)
_RAB195013 58 42.602052921 "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+02 08 14.71598985 "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)
_Glon339.419761231050 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+59.727355490405 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)
306964recno 306964  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LQAC LQAC_210+001_017  (i) LQAC name given for each object based on equatorial coordinates (meta.id;meta.main)
Flag3   [3/4] Flag to recognize already recorded or new sources (Note 1)   (meta.code.error)
OName SDSS 1237651753486712992  Name of the quasar in the original catalog (Note 2)   (meta.id)
NatureQUASAR  Nature of the object (Note 3)   (meta.code.class)
RAOdeg210.3133477870 deg Right ascension (J2000) in original catalog (Note 4)   (pos.eq.ra)
DEOdeg 1.8963892660 deg Declination (J2000) in original catalog (Note 4)   (pos.eq.dec)
SourceGAIA  Source of the following optimized equatorial coordinates (Note 5)   (meta.code)
RAJ2000210.3133348091 deg (i) Optimized Right ascension (J2000) (Note 6)   (pos.eq.ra;meta.main)
DEJ2000+01.8963687354 deg (i) Optimized Declination (J2000) (Note 6)   (pos.eq.dec;meta.main)
e_RAJ2000 5.824 mas Uncertainity in d(alpha)xcos(delta) in Gaia DR1 (Note 7)   (stat.error;pos.eq.ra)
e_DEJ2000 1.429 mas Uncertainty in d(delta) in Gaia DR1 (Note 7)   (stat.error;pos.eq.dec)
Ref----E-----KL-  Flags indicating the presence of the quasar in the 13 catalogs belonging to the compilation (Note 8)   (meta.code)
GAIAGAIA  Flag to recognize recorded sources in GAIA-DR1 (Note 9)   (meta.code)
z 1.85461  (i) Redshift (src.redshift)
umag19.425 mag Photometric magnitude in Optical u band between 300 and 400 nm (Note 10)   (phot.mag;em.opt.U)
Bmag19.500 mag Photometric magnitude in Optical B band between 400 and 500 nm (Note 10)   (phot.mag;em.opt.B)
Gmag19.753 mag Photometric magnitude in Optical G Gaia band (phot.mag;em.opt.R)
Vmag  mag Photometric magnitude in Optical V band between 500 and 600 nm (Note 10)   (phot.mag;em.opt.V)
gmag19.365 mag Photometric magnitude in Optical g band between 400 and 500 nm (Note 10)   (phot.mag;em.opt.R)
rmag19.355 mag Photometric magnitude in Optical r band between 600 and 750 nm (Note 10)   (phot.mag;em.opt.R)
imag19.008 mag Photometric magnitude in Optical i band between 750 and 1000 nm (Note 10)   (phot.mag;em.opt.I)
zmag19.062 mag Photometric magnitude in Optical z band (Note 10)   (phot.mag;em.opt.I)
Jmag  mag Photometric magnitude in Infrared J band between 1000 and 1500 nm (Note 11)   (phot.mag;em.IR.J)
Kmag  mag Photometric magnitude in Infrared K band between 2000 and 3000 nm (Note 11)   (phot.mag;em.IR.K)
S1.4  Jy Radio flux between 750 and 1500 MHz (20cm) (phot.flux.density;em.radio.1500-3000MHz)
S2.3  Jy Radio flux between 1500 and 3000 MHz (13cm) (phot.flux.density;em.radio.1500-3000MHz)
S5.0  Jy Radio flux between 3 and 6 GHz (6cm) (phot.flux.density;em.radio.3-6GHz)
S8.4  Jy Radio flux between 6 and 12 GHz (3.6cm) (phot.flux.density;em.radio.6-12GHz)
S23  Jy Radio flux between 12 and 30 GHz (1.2cm) (phot.flux.density;em.mm.30-50GHz)
I1B    Sharp morphology index in band B (src.morph.param)
I2B    Sround morphology index in band B (src.morph.param)
I3B    Ground morphology index in band B (src.morph.param)
I1R 0.6   Sharp morphology index in band R (src.morph.param)
I2R 1.1   Sround morphology index in band R (src.morph.param)
I3R 0.6   Ground morphology index in band R (src.morph.param)
I1I    Sharp morphology index in band I (src.morph.param)
I2I    Sround morphology index in band I (src.morph.param)
I3I    Ground morphology index in band I (src.morph.param)
BMAG-26.258 mag Absolute magnitude in band B (phys.magAbs;em.opt.B)
IMAG-25.931 mag Absolute magnitude in band I (phys.magAbs;em.opt.I)
uMAG  mag Absolute magnitude in band u (phys.magAbs)
gMAG  mag Absolute magnitude in band g (phys.magAbs)
rMAG  mag Absolute magnitude in band r (phys.magAbs)
iMAG  mag Absolute magnitude in band i (phys.magAbs)
zMAG  mag Absolute magnitude in band z (phys.magAbs)
  
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