| Show | Sort | Column | Constraint | Explain (UCD) |
| | | recno | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
| | | ERO | (char) | IAU name of the eRASS1 source (ERO_IAUNAME) (meta.id;meta.main) (ID_MAIN) |
| | | MJD | d | (i) [58828.93/59011.42] Epoch of the observation of the eRASS1 source (ERO_MJD) (time.epoch) (TIME_DATE) |
| | | ePos | arcsec | Positional uncertainty of the eRASS1 source (EROPOSERR) (stat.error;pos) (ERROR) |
| | | CtpRank | | [1/4] Rank of the counterpart that increase for less likely alternative counterparts (CTP_RANK) (meta.number) (NUMBER) |
| | | CtpId | | Identifier of the counterpart (CTP_ID) (Note 1)
(meta.id) (ID_CROSSID) |
| | | CtpSep | arcsec | Proper motion corrected angular separation between eRASS1 source and counterpart (CTP_SEP) (Note 2)
(pos.pm;pos.angDistance) (POS_ANG_DIST_GENERAL) |
| | | p-coronal | | [0/1] Probability of the eRASS1 source to be coronal (p_coronal) (stat.fit.goodness) (STAT_PROBABILITY) |
| | | p-ij | | [0/1] Probability of the counterpart to be associated to the eRASS1 source (p_ij) (stat.fit.goodness) (STAT_PROBABILITY) |
| | | RAJ2000 | deg | (i) Proper motion corrected right ascension of the counterpart adopting the observation time of the eRASS1 source as provided by ERO_MJD, J2000 (RAdeg) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | | DEJ2000 | deg | (i) Proper motion corrected declination of the counterpart adopting the observation time of the eRASS1 source as provided by ERO_MJD, J2000 (DEdeg) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
ALL cols | | | |
| | | FX | mW/m2 | X-ray flux in the 0.2-2.3keV band assuming a coronal spectrum (Fx) (phot.flux;em.X-ray) (PHOT_FLUX_X) |
| | | Gmag | mag | G band magnitude of the counterpart (Gmag) (phot.mag;em.opt) (PHOT_MAG_OPTICAL) |
| | | BP-RP | mag | BP-RP color of the counterpart (BP-RP) (phot.color;em.opt.B;em.opt.R) (PHOT_CI_B-R) |
| | | plx | mas | Parallax of the counterpart (plx) (pos.parallax.trig) (POS_PARLX_TRIG) |
| | | SName | (char) | Name of the Simbad identification if available (SIMBAD_NAME) (meta.id) (ID_ALTERNATIVE) |
| | | SOType | (char) | Classification in the Simbad database if available (SIMBAD_OTYPE) (src.class) (CLASS_OBJECT) |
| | | TrainSet | | [0/1] 1 if counterpart to an eRASS:4 training set source (TRAIN_SET) (meta.code) (CODE_MISC) |
| | | Coronal | | [0/1] 0 if the properties are untypical for coronal X-ray emitters (CORONAL) (meta.code) (CODE_MISC) |
| | | OB-Star | | [0/1] 1 for likely reddened OB stars (OB_STAR) (meta.code) (CODE_MISC) |
| | | FlagOpt | | [0/1] 1 if the source is affected by optical loading (FLAG_OPT) (meta.code) (CODE_MISC) |
| | | NWAYDCtp | | [0/1] 1 if NWAY provides a different best counterpart (NWAY_DIFFCTP) (meta.code) (CODE_MISC) |
ALL cols | | | |