VizieR

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VizieR

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VII/158/table1 Revised and Updated Catalog of Quasi-stellar Objects (Hewitt+ 1993)
The catalogue (22484 rows)
  recno=4032
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ColumnValue  Explain   (UCD)
_RAJ200001 32 43.3932 "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)
_DEJ2000-16 54 46.454 "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)
_RAB195001 30 17.6006 "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)
_DEB1950-17 10 09.996 "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)
_Glon168.1213967 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-76.0175108 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)
4032recno 4032  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)

CooDes0130-171  Designation based on 1950 Coordinates (Note 1)   (meta.id;meta.main)
RA195001 30 17.60 "h:m:s" (i) Right Ascension 1950 (Note 1)   (pos.eq.ra;meta.main)
DE1950-17 10 10.0 "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)
Id   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)
Element   Emission line on which the redshift is based (element name) (meta.id;phys.atmol.element)
Wl  0.1nm Wavelength of Emission element (Angstroem) (em.wl)
z(abs)    Absorption redshift (src.redshift)
r_Id    Reference for identification (meta.ref;pos.frame)
r_z(em)    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    Reference for Radio (meta.ref;pos.frame)
r_z(abs)    Reference for absorption redshift (meta.ref;pos.frame)
Notes   Notes (Note 4)   (meta.note)

_RA.icrs01 32 43.39 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-16 54 46.5 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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