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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=417852
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200022 39 06.034268568 "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)
_DEJ2000-55 25 59.40916932 "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)
_RAB195022 35 57.939091429 "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)
_DEB1950-55 41 37.52532139 "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)
_Glon333.899345274611 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-52.993581587981 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)
417852recno 417852  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LQAC LQAC_339-055_001  (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 J2239-5525  Name of the quasar in the original catalog (Note 2)   (meta.id)
NatureRADIO  Nature of the object (Note 3)   (meta.code.class)
RAOdeg339.7751435460 deg Right ascension (J2000) in original catalog (Note 4)   (pos.eq.ra)
DEOdeg-55.4331696080 deg Declination (J2000) in original catalog (Note 4)   (pos.eq.dec)
SourceGAIA  Source of the following optimized equatorial coordinates (Note 5)   (meta.code)
RAJ2000339.7751427857 deg (i) Optimized Right ascension (J2000) (Note 6)   (pos.eq.ra;meta.main)
DEJ2000-55.4331692137 deg (i) Optimized Declination (J2000) (Note 6)   (pos.eq.dec;meta.main)
e_RAJ2000 0.454 mas Uncertainity in d(alpha)xcos(delta) in Gaia DR1 (Note 7)   (stat.error;pos.eq.ra)
e_DEJ2000 0.727 mas Uncertainty in d(delta) in Gaia DR1 (Note 7)   (stat.error;pos.eq.dec)
Ref-B--------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 1.97500  (i) Redshift (src.redshift)
umag  mag Photometric magnitude in Optical u band between 300 and 400 nm (Note 10)   (phot.mag;em.opt.U)
Bmag19.520 mag Photometric magnitude in Optical B band between 400 and 500 nm (Note 10)   (phot.mag;em.opt.B)
Gmag19.648 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)
gmag  mag Photometric magnitude in Optical g band between 400 and 500 nm (Note 10)   (phot.mag;em.opt.R)
rmag19.200 mag Photometric magnitude in Optical r band between 600 and 750 nm (Note 10)   (phot.mag;em.opt.R)
imag18.490 mag Photometric magnitude in Optical i band between 750 and 1000 nm (Note 10)   (phot.mag;em.opt.I)
zmag  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 0.128 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 0.2   Sharp morphology index in band R (src.morph.param)
I2R 0.0   Sround morphology index in band R (src.morph.param)
I3R 0.2   Ground morphology index in band R (src.morph.param)
I1I 0.5   Sharp morphology index in band I (src.morph.param)
I2I 1.1   Sround morphology index in band I (src.morph.param)
I3I 0.0   Ground morphology index in band I (src.morph.param)
BMAG-26.350 mag Absolute magnitude in band B (phys.magAbs;em.opt.B)
IMAG-26.621 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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