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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=359748
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200015 34 47.208049368 "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+37 15 54.61658496 "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)
_RAB195015 32 54.380651431 "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+37 25 51.01497862 "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)
_Glon059.859938488372 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+54.288986113210 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)
359748recno 359748  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LQAC LQAC_233+037_012  (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 RGB J1534+372  Name of the quasar in the original catalog (Note 2)   (meta.id)
NatureBL LAC  Nature of the object (Note 3)   (meta.code.class)
RAOdeg233.6967000000 deg Right ascension (J2000) in original catalog (Note 4)   (pos.eq.ra)
DEOdeg 37.2653000000 deg Declination (J2000) in original catalog (Note 4)   (pos.eq.dec)
SourceGAIA  Source of the following optimized equatorial coordinates (Note 5)   (meta.code)
RAJ2000233.6967002057 deg (i) Optimized Right ascension (J2000) (Note 6)   (pos.eq.ra;meta.main)
DEJ2000+37.2651712736 deg (i) Optimized Declination (J2000) (Note 6)   (pos.eq.dec;meta.main)
e_RAJ2000 0.138 mas Uncertainity in d(alpha)xcos(delta) in Gaia DR1 (Note 7)   (stat.error;pos.eq.ra)
e_DEJ2000 0.228 mas Uncertainty in d(delta) in Gaia DR1 (Note 7)   (stat.error;pos.eq.dec)
Ref------------M  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 0.14300  (i) Redshift (src.redshift)
umag17.830 mag Photometric magnitude in Optical u band between 300 and 400 nm (Note 10)   (phot.mag;em.opt.U)
Bmag  mag Photometric magnitude in Optical B band between 400 and 500 nm (Note 10)   (phot.mag;em.opt.B)
Gmag17.509 mag Photometric magnitude in Optical G Gaia band (phot.mag;em.opt.R)
Vmag17.570 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)
rmag  mag Photometric magnitude in Optical r band between 600 and 750 nm (Note 10)   (phot.mag;em.opt.R)
imag  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 0.022 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 0.024 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 0.7   Sharp morphology index in band B (src.morph.param)
I2B 0.3   Sround morphology index in band B (src.morph.param)
I3B 0.0   Ground morphology index in band B (src.morph.param)
I1R 0.8   Sharp morphology index in band R (src.morph.param)
I2R 0.9   Sround morphology index in band R (src.morph.param)
I3R 0.5   Ground morphology index in band R (src.morph.param)
I1I 0.6   Sharp morphology index in band I (src.morph.param)
I2I 0.6   Sround morphology index in band I (src.morph.param)
I3I 0.4   Ground morphology index in band I (src.morph.param)
BMAG  mag Absolute magnitude in band B (phys.magAbs;em.opt.B)
IMAG  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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