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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/661/A44
  A first eROSITA view of ultracool dwarfs (Stelzer+, 2022)
ReadMe+ftp
2022A&A...661A..44S
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/661/A44/table1Basic X-ray parameters from the eRASS1 catalog for our sample of the UCDs and UCD candidates (96 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  GaiaDR2  Gaia DR2 (Cat. I/345) designation (source_id) (meta.id;meta.main)
  RAJ2000 deg (i) Right ascension of the boresight corrected eRASS1 positions (J2000) (ra_corr) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination of the boresight corrected eRASS1 positions (J2000) (dec_corr) (pos.eq.dec;meta.main)
  ePos arcsec Error on the eRASS1 positions (delta_radec) (stat.error)
  SepOX arcsec Separation between the proper motion corrected optical positions and the X-ray positions (sep_ox) (pos.angDistance)
  Rate ct/s Broad band (0.2-5.0 keV) source count rates (rate) (phot.count;em.X-ray)
  e_Rate ct/s Error on the broad band (0.2-5.0keV) source count rates (err_rate) (stat.error)
  DetML  Maximum likelihood for the X-ray detection in the broad band (col. DETLIKE0 from eRASS1cat) (detml) (stat.likelihood)
  funiqucd (char) Flag for UCDs being the unique Gaia counterparts to the eRASS1 source (flaguniqucd) (meta.code)
  fcpm (char) Flag for common proper motion pairs involving an UCD or UCD candidate (flag_cpm) (meta.code)
  fxdata (char) Flag for objects with archival X-ray detections (flag_xdata) (meta.code)
  fbfucd (char) Flag for UCDs considered as 'bona-fide' counterparts to the eRASS1 sources (flagbonafide_ucd) (meta.code)
  fplucd (char) Flag for UCDs considered as 'plausible' counterparts to the eRASS1 sources (flagplausibleucd) (meta.code)
  iCat (char) Original input catalog (iCat) (Note 1)   (meta.bib)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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