| Show | Sort | Column | Constraint | Explain (UCD) |
| | | recno | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
| | | f/g-Q | (char) | Foreground quasar identifier (meta.id;meta.main) (ID_MAIN) |
| | | L912 | [cW/m2/nm] | (n) [28/32] Log of 912Å luminosity; erg/s/cm2/Å (Note 2)
(phys.luminosity;em.IR) (PHYS_LUMINOSITY_IR_MISC) |
| | | Lbol | [mW/m2] | (n) [45/48] Log of bolometric luminosity; erg/s/cm2 (Note 2)
(phys.luminosity) (PHOT_BOL_LUMINOSITY) |
| | | b/g-Q | (char) | Background quasar identifier (meta.id.assoc) (ID_ASSOCIATED) |
| | | zbg | | [1.7/4.9] Background redshift (src.redshift;pos.heliocentric) (REDSHIFT_HC) |
| | | Nq | | (n)Number of foreground quasars associated in QPQ6 (meta.number) (NUMBER) |
| | | b | kpc | [31/999] Impact parameter R⊥ (src.impactParam) (PHYS_IMPACT-PAR) |
| | | gUV | | (n) [2/17964] Enhancement in flux relative to the extragalactic UV background (Note 2)
(phot.flux;arith.ratio) (SPECT_FLUX_RATIO) |
| | | Inst | (char) | Source spectrum (Note G1)
(meta.id;instr) (INST_ID) |
| | | Lines | (char) | Emission lines used in zem (meta.id;spect.line) (SPECT_LINE_ID) |
ALL cols | | | |
| | | zfg | | [1.6/4.5] Emission line derived redshift (src.redshift;pos.heliocentric) (REDSHIFT_HC) |
| | | e_zfg | km/s | [272/794] Uncertainty in zfg (stat.error) (ERROR) |
| | | S/N | | [6/205] Signal-to-noise per rest-frame Å (Note 3)
(stat.snr) (INST_S/N) |
| | | <F2000> | | [0/1.2] Average flux (Note 4)
(phot.flux) (SPECT_FLUX_VALUE) |
| | | DelF | | [-0.5/1] Value defined in Equ. 4 (Note 5)
(phot.flux;arith.ratio) (SPECT_FLUX_RATIO) |
| | | delv | km/s | (n) [-1733/1553] Velocity offset (Note 6)
(phys.veloc;arith.diff) (VELOC_DIFF) |
| | | LWave | 0.1nm | (n) [3204/6615] Lower wavelength of Lyα analysis (Å) (em.wl) (SPECT_WAVELENGTH_MISC) |
| | | UWave | 0.1nm | (n) [3217/6634] Upper wavelength of Lyα analysis (Å) (em.wl) (SPECT_WAVELENGTH_MISC) |
| | | l_WLya | (char) | Limit flag on WLya (meta.code.error) (CODE_LIMIT) |
| | | WLya | 0.1nm | (n) [0.2/23.7] Rest equivalent width (Note 7)
(spect.line.eqWidth) (SPECT_EQ-WIDTH) |
| | | e_WLya | 0.1nm | (n) [0.01/0.3] Uncertainty in WLya (stat.error) (ERROR) |
| | | l_logNH | (char) | Limit flag on logNH (meta.code.error) (CODE_LIMIT) |
| | | logNH | [cm-2] | (n) [14.3/21.3] Log of H I column density (phys.columnDensity) (PHYS_COLUMN_DENSITY) |
| | | e_logNH | [cm-2] | (n) [0.1/0.4] Uncertainty in logNH (stat.error) (ERROR) |
| | | OT | | (n) [-1/1] Optical thick flag (Note 8)
(meta.code) (CODE_MISC) |
| | | Qfg | (char) | Name of the foreground quasar in SIMBAD (meta.id) (ID_ALTERNATIVE) |
| | | Qbg | (char) | Name of the background quasar in SIMBAD (meta.id) (ID_ALTERNATIVE) |
| | | DR9Q | | (n)Sources from Paris+, 2012, VII/269, within 2" (meta.ref.url) (DATA_LINK) |
| | | Obs | | (n)Display the observation log (meta.code) (CODE_MISC) |
| | | Sloan | | Display the online SDSS data for the nearest object (meta.ref.url) (DATA_LINK) |
| | | Simbad | | ask the Simbad data-base about this object (meta.ref.url) (DATA_LINK) |
| | | _RA | deg | (i) Postion of foreground quasar (from f/g-Q identifier (right ascension part) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | | _DE | deg | (i) Postion of foreground quasar (from f/g-Q identifier (declination part) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
ALL cols | | | |