VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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VII/158/table1 Revised and Updated Catalog of Quasi-stellar Objects (Hewitt+ 1993)
The catalogue (22484 rows)
  recno=7941
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ColumnValue  Explain   (UCD)
_RAJ200007 38 57.1229 "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)
_DEJ2000-06 26 57.427 "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)
_RAB195007 36 30.2006 "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)
_DEB1950-06 20 02.902 "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)
_Glon224.1711662 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 +7.5167387 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)
7941recno 7941  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
M0  1 for the rows belonging to the original table 1 (main description of the QSO) (meta.note)

CooDes0736-063  Designation based on 1950 Coordinates (Note 1)   (meta.id;meta.main)
RA195007 36 30.20 "h:m:s" (i) Right Ascension 1950 (Note 1)   (pos.eq.ra;meta.main)
DE1950-06 20 02.9 "d:m:s" (i) Declination 1950 (Note 1)   (pos.eq.dec;meta.main)
BLLac    [B] "B" indicates a BL Lac object (Note 1)   (meta.note)
Sel+   [RXSVCO +] Selection technique(s) (Note 2)   (meta.note)
IdOI 061  Other name (meta.id)
V  mag Apparent magnitude; often only mpg (phot.mag;em.opt.V)
var    [*] * indicates a variability (meta.note)
B-V  mag B-V (phot.color;em.opt.B;em.opt.V)
U-B  mag U-B (phot.color;em.opt.U;em.opt.B)
z(em)    Emission redshift (src.redshift)
u_z(em)    [)] Uncertainty flag on z(em) (meta.code.error)
n_z(em)    [*+] Note on z(em) (Note 3)   (meta.note)
ElementN V  Emission line on which the redshift is based (element name) (meta.id;phys.atmol.element)
Wl1240 0.1nm Wavelength of Emission element (Angstroem) (em.wl)
z(abs) 1.9132   Absorption redshift (src.redshift)
r_Id    Reference for identification (meta.ref;pos.frame)
r_z(em) 44   Reference for emission redshift (meta.ref;pos.frame)
ref_b    [b*] Addition to r_z(em) (Note 5)   (meta.code)
r_var    Reference for variability (meta.ref;pos.frame)
r_Sel 87   Reference for Radio (meta.ref;pos.frame)
r_z(abs) 954   Reference for absorption redshift (meta.ref;pos.frame)
Notes   Notes (Note 4)   (meta.note)

_RA.icrs07 38 57.12 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-06 26 57.4 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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