| 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) |
| | |  (ALL) | Name | (char) | Quasar identification (meta.id;meta.main) (ID_MAIN) |
| | | (1) | f_Name | (char) | [b] Flag for newly discovered quasar; named after Chandra fields, no position given (meta.code) (CODE_MISC) |
| | | (1) | gmag | mag | Magnitude in g-band (phot.mag;em.opt.B) (PHOT_SDSS_G) |
| | | (1) | ExpT | s | Exposure time (time.duration;obs.exposure) (TIME_EXPTIME) |
| | | (1) | S/N | | Median signal-to-noise ratio per pixel (em.wl.central;stat.median) (INST_S/N) |
| | | (1) | Obs.Date | "Y:M:D" | (n)Date of observation (time.epoch) (TIME_DATE) |
| | | (1) | Date2 | | (n) 2nd day of observation (time.epoch;obs) (TIME_DATE) |
| | | (1) | Remark | (char) | Data from archive (meta.note) (REMARKS) |
| | | (ALL) | SimbadName | (char) | Designation understandable by the Simbad data-base (meta.id) (ID_ALTERNATIVE) |
| | | (1+2) | Sloan | (char) | Display the SDSS data for this quasar (meta.ref.url) (DATA_LINK) |
ALL cols | | | |
| | | (1+2) | DR3 | (char) | SDSS-DR3 quasar data (Schneider et al. 2005, Cat. VII/243) (meta.ref.url) (DATA_LINK) |
| | | (1+2) | DR7 | (char) | Display the SDSS quasar DR7 data (Schneider et al. 2010, Cat. VII/260) (meta.ref.url) (DATA_LINK) |
| | | (ALL) | _RA | deg | (n)(i) Positions from Simbad (right ascension part) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | | (ALL) | _DE | deg | (n)(i) Positions from Simbad (declination part) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| | | (2+3) | LOS | | (i) Line of sight number (Note G1)
(meta.id) (ID_TARGET) |
| | | (2) | zem | | (n) Emission redshift (src.redshift) (REDSHIFT_HC) |
| | | (2) | zEW | | (n) Minimum redshift (Note 1)
(src.redshift) (REDSHIFT_HC) |
| | | (2) | zabs | | MgII absorption redshift (src.redshift) (REDSHIFT_HC) |
| | | (2) | W2796 | 0.1nm | Rest-frame equivalent width of MgII2796 (spect.line.eqWidth) (SPECT_EQ-WIDTH) |
| | | (2) | e_W2796 | 0.1nm | 1{sigma} error on W2796 (stat.error) (ERROR) |
| | | (3) | z | | Cluster redshift from RCS (Cat. J/ApJS/157/1) unless flag in r_z col (src.redshift) (REDSHIFT_HC) |
| | | (3) | r_z | (char) | [a-f] Reference for z if not RCS (Note 2)
(meta.ref;pos.frame) (REFER_CODE) |
| | | (3) | zmin | | Minimum redshift surveyed (src.redshift) (REDSHIFT_HC) |
ALL cols | | | |
| | | (3) | zmax | | Maximum redshift surveyed (src.redshift) (REDSHIFT_HC) |
| | | (3) | dist | arcmin | Projected distance from quasar LOS to cluster coordinates (pos.angDistance) (POS_ANG_DIST_GENERAL) |
| | | (3) | dist2 | kpc | Physical distance at zcluster from quasar LOS to cluster coordinates (in h71–1kpc unit) (pos.distance) (PHYS_DISTANCE_TRUE) |
ALL cols | | | |