| Show | Sort | Join tables | Column | Constraint | Explain (UCD) |
| | | (ALL) | recno | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
| | | (1) | Cl | (char) | Class, as Q (quasar, Mv<-22.25), B (BL Lac) and A (Active galaxy nucleus, Mv>-22.25) (src.class) (CLASS_OBJECT) |
| | | (1+2) | nR | (char) | [*] '*' if not detected in radio (Note 1)
(meta.code) (CODE_MISC) |
| | | (1+2+4+5) | Name | (char) | Most common name of the object (meta.id) (ID_IDENTIFIER) |
| | | (1) | n_Name | (char) | Note on Name (Note 6)
(meta.note) (NOTE) |
| | | (1+2) | n_RAJ2000 | (char) | [AOR] Approximative/Optical/Radio position (Note 2)
(meta.note) (NOTE) |
| | | (1+2) | RAJ2000 | "h:m:s" | (i) Right Ascension J2000 (see also n_RAh) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | | (1+2) | DEJ2000 | "d:m:s" | (i) Declination J2000 (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| | | (1) | F6cm | Jy | (n) 6cm (5GHz) flux (Note 5)
(phot.flux.density;em.radio.3-6GHz) (PHOT_FLUX_RADIO_5G) |
| | | (1) | r_F6cm | | (n) [1,2701] Reference of 6cm Flux (meta.ref;pos.frame) (REFER_CODE) |
| | | (1) | F20cm | Jy | (n) 20cm (1.4GHz) flux (Jy) (Note 5)
(phot.flux.density;em.radio.750-1500MHz) (PHOT_FLUX_RADIO_1.4G) |
ALL cols | | | |
| | | (1) | r_F20cm | | (n) [1,2701] Reference of 20cm flux (meta.ref;pos.frame) (REFER_CODE) |
| | | (1) | l_z | (char) | [>*] limit or method flag on z (Note 4)
(meta.code.error;src.redshift) (CODE_LIMIT) |
| | | (1+2+5) | z | | (n) redshift (src.redshift) (REDSHIFT_HC) |
| | | (1+2) | Sp | (char) | [S0-9?HPQBLbhin. ] Spectrum classification (Note 3)
(src.class) (CLASS_OBJECT) |
| | | (1+2) | n_Vmag | (char) | [*BVRIO] Photographic(*), blue(B), visible(V), red(R), infra-red (I) or photographic O/J-plates(O) (meta.note) (NOTE) |
| | | (1+2) | Vmag | mag | (n) magnitude: either V if B-V is not blank, or another band (see n_Vmag) (phot.mag;em.opt.V) (PHOT_MAG_V) |
| | | (1+2) | B-V | mag | (n) colour index (phot.color;em.opt.B;em.opt.V) (PHOT_JHN_B-V) |
| | | (1+2) | U-B | mag | (n) colour index (phot.color;em.opt.U;em.opt.B) (PHOT_JHN_U-B) |
| | | (1) | Mabs | mag | (n) Absolute magnitude (phys.magAbs) (PHOT_ABS-MAG_BAND) |
| | | (1+2) | FC | | (n) [1,2701] Reference of the Finding Chart (meta.ref;pos.frame) (ID_CHART) |
| | |  (1+2) | r_Vmag | | (n) [1,2701] Reference of the Photometry (meta.ref;pos.frame) (REFER_CODE) |
| | | (1) | r_z | | (n) [1,2701] Reference of the redshift (meta.ref;pos.frame) (REFER_CODE) |
| | | (2) | n_z | (char) | [*] '*' for z measured by slitless spectroscopy (meta.note) (NOTE) |
ALL cols | | | |
| | | (2) | r_Sp | | (n) [1,2701] Reference of Sp (meta.ref) (REFER_CODE) |
| | | (2) | Sp2 | (char) | [QGH2*?SN ] New classification (src.class) (CLASS_OBJECT) |
| | | (2) | r_Sp2 | | (n) [1,2701] Reference of New classification (meta.ref;pos.frame) (REFER_CODE) |
| | | (3) | RefNo | | [1,2701] Reference Number (meta.ref;pos.frame) (REFER_CODE) |
| | | (3) | BibCode | (char) | The 19-digit bibcode (Note)
(meta.bib.bibcode) (REFER_BIBCODE) |
| | | (3) | Text | (char) | Text of reference (meta.ref) (REFER_TEXT) |
| | | (4+5) | Bname | (char) | QSO name, based on 1950 position (meta.id) (ID_ALTERNATIVE) |
| | | (4) | zq | | redshift of Quasar (src.redshift;pos.heliocentric) (REDSHIFT_HC) |
| | | (4) | zlens | | (n) Redshift of lens (src.redshift;pos.heliocentric) (REDSHIFT_HC) |
| | | (4+5) | Sep | arcsec | (n) Separation between the images (pos.angDistance) (POS_ANG_DIST_GENERAL) |
| | | (4+5) | Refs | (char) | References detailed in table ref2.dat (meta.ref;pos.frame) (REFER_CODE) |
| | | (6) | Ref2 | | Reference number used in table2 and table3 (meta.ref;pos.frame) (REFER_CODE) |
| | | (6) | ref | | (n) Reference number in file " refs.dat" (meta.id;meta.main) (ID_MAIN) |
ALL cols | | | |
| | | (6) | bibCode | (char) | 19-digit "bibcode" used by ADS, NED and SIMBAD (meta.bib.bibcode) (REFER_BIBCODE) |
| | | (6) | Authors | (char) | First author(s) (meta.bib.author) (ID_AUTHOR) |
ALL cols | | | |