VizieR Search Page [Back] ⋅ [Forwd] ⋅ [Print] ⋅ [Close]
Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/684/A121
  SRG/eROSITA all-sky survey coronal content (Freund+, 2024)
ReadMe+ftp
2024A&A...684A.121F
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/684/A121/like_ctp(c)Likely coronal identifications of the eRASS1 main sources (149311 rows)
2.J/A+A/684/A121/pos_ctp(c)Possible but less likely coronal identifications of the eRASS1 main sources (23900 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)ERO (char) IAU name of the eRASS1 source (ERO_IAUNAME) (meta.id;meta.main)
   (ALL)MJD d (i) [58828.93/59011.42] Epoch of the observation of the eRASS1 source (ERO_MJD) (time.epoch)
   (ALL)ePos arcsec Positional uncertainty of the eRASS1 source (EROPOSERR) (stat.error;pos)
   (ALL)CtpRank   [1/4] Rank of the counterpart that increase for less likely alternative counterparts (CTP_RANK) (meta.number)
   (ALL)CtpId  Identifier of the counterpart (CTP_ID) (Note 1)   (meta.id)
   (ALL)CtpSep arcsec Proper motion corrected angular separation between eRASS1 source and counterpart (CTP_SEP) (Note 2)   (pos.pm;pos.angDistance)
   (ALL)p-coronal   [0/1] Probability of the eRASS1 source to be coronal (p_coronal) (stat.fit.goodness)
   (ALL)p-ij   [0/1] Probability of the counterpart to be associated to the eRASS1 source (p_ij) (stat.fit.goodness)
   (ALL)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)
   (ALL)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)

ALL cols		    
 (i)indexed column
   (ALL)FX mW/m2 X-ray flux in the 0.2-2.3keV band assuming a coronal spectrum (Fx) (phot.flux;em.X-ray)
   (ALL)Gmag mag G band magnitude of the counterpart (Gmag) (phot.mag;em.opt)
   (ALL)BP-RP mag BP-RP color of the counterpart (BP-RP) (phot.color;em.opt.B;em.opt.R)
   (ALL)plx mas Parallax of the counterpart (plx) (pos.parallax.trig)
   (ALL)SName (char) Name of the Simbad identification if available (SIMBAD_NAME) (meta.id)
   (ALL)SOType (char) Classification in the Simbad database if available (SIMBAD_OTYPE) (src.class)
   (ALL)TrainSet   [0/1] 1 if counterpart to an eRASS:4 training set source (TRAIN_SET) (meta.code)
   (ALL)Coronal   [0/1] 0 if the properties are untypical for coronal X-ray emitters (CORONAL) (meta.code)
   (ALL)OB-Star   [0/1] 1 for likely reddened OB stars (OB_STAR) (meta.code)
   (ALL)FlagOpt   [0/1] 1 if the source is affected by optical loading (FLAG_OPT) (meta.code)
   (ALL)NWAYDCtp   [0/1] 1 if NWAY provides a different best counterpart (NWAY_DIFFCTP) (meta.code)

ALL cols		    
 (i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 1