| 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) | QSO | (char) | (i) QSO name (meta.id;meta.main) (ID_MAIN) |
| | | (1) | zem | | [5.77/6.31] QSO redshift (src.redshift) (REDSHIFT_HC) |
| | | (1) | r_zem | (char) | Reference on zem (Note 1)
(meta.ref;src.redshift) (REFER_CODE) |
| | | (1) | Source | (char) | Source of the spectrum used for dark gap statistics (Note 2)
(meta.code) (REFER_CODE) |
| | | (1) | Inst | (char) | Instrument ("ESI" or "X-Shooter") (meta.id;instr) (INST_ID) |
| | | (1) | S/N | | [21/152] Signal-to-noise ratio (stat.snr) (INST_S/N) |
| | | (1) | File | | Subset number in Figure 1 file names; column added by CDS (meta.id;meta.file) (ID_FILE) |
| | | (1) | S20 | | (n)Display data from Schindler+ 2020, J/ApJ/905/51 if any (meta.ref.url) (DATA_LINK) |
| | | (1) | Ng | | (n)Number of dark gaps detected for this QSO (meta.number) (NUMBER) |
| | | (1) | SimbadName | (char) | (n)Designation understandable by the Simbad data-base (meta.id) (ID_ALTERNATIVE) |
ALL cols | | | |
| | | (1) | _RA | deg | (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | | (1) | _DE | deg | (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| | | (2) | Seq | | [1/195] Index of the dark gap (meta.record) (ID_NUMBER) |
| | | (2) | zBlue | | [5.44/6.02] Redshift of the dark gap's blue end (src.redshift) (REDSHIFT_HC) |
| | | (2) | f_zBlue | (char) | [a] Flag on zBlue (Note 1)
(meta.code;src.redshift) (CODE_MISC) |
| | | (2) | zRed | | [5.45/6.11] Redshift of the dark gap's red end (src.redshift) (REDSHIFT_HC) |
| | | (2) | f_zRed | (char) | [b] Flag on zRed (Note 1)
(meta.code;src.redshift) (CODE_MISC) |
| | | (2) | l_L | (char) | [>=] Limit flag on L (meta.code.error) (CODE_LIMIT) |
| | | (2) | L | 1.475Mpc | [1/39] Dark gap length in comoving Mpc/h (pos.distance;phys.size) (PHYS_DISTANCE_TRUE) |
| | | (2) | f_L | (char) | [c] Flag on L (Note 1)
(meta.code;pos.distance;phys.size) (CODE_MISC) |
| | | (2) | l_TauEff | (char) | [>=] Limit flag on TauEff (meta.code.error) (CODE_LIMIT) |
| | | (2) | TauEff | | [3.2/6.8] Effective opacity of the dark gap (phys.absorption.coeff) (PHYS_OPACITY) |
| | | (2) | e_TauEff | | (n) [0.1/0.5] Uncertainty in TauEff (stat.error;phys.absorption.coeff) (ERROR) |
ALL cols | | | |