VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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/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/table1(c)Basic X-ray parameters from the eRASS1 catalog for our sample of the UCDs and UCD candidates (96 rows)
2.J/A+A/661/A44/table2Multi-wavelength properties of the UCDs and UCD candidates identified as bona-fide or plausible counterparts to an eRASS1 X-ray source (58 rows)

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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (ALL)GaiaDR2  Gaia DR2 (Cat. I/345) designation (source_id) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (1)RAJ2000 deg Right ascension of the boresight corrected eRASS1 positions (J2000) (ra_corr) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (1)DEJ2000 deg Declination of the boresight corrected eRASS1 positions (J2000) (dec_corr) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (1)ePos arcsec Error on the eRASS1 positions (delta_radec) (pos.galactic.lon;spect.dopplerParam;arith.grad;time.age;meta.main)
  (1)SepOX arcsec Separation between the proper motion corrected optical positions and the X-ray positions (sep_ox) ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)
  (1)Rate ct/s Broad band (0.2-5.0 keV) source count rates (rate) ((unassigned);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))
  (1)e_Rate ct/s Error on the broad band (0.2-5.0keV) source count rates (err_rate) ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)DetML  Maximum likelihood for the X-ray detection in the broad band (col. DETLIKE0 from eRASS1cat) (detml) ((unassigned);phys.veloc.orbital;arith.diff;pos.healpix;meta.main)
  (1)funiqucd (char) Flag for UCDs being the unique Gaia counterparts to the eRASS1 source (flaguniqucd) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)fcpm (char) Flag for common proper motion pairs involving an UCD or UCD candidate (flag_cpm) ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)

ALL cols		    
 (i)indexed column
  (1)fxdata (char) Flag for objects with archival X-ray detections (flag_xdata) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)fbfucd (char) Flag for UCDs considered as 'bona-fide' counterparts to the eRASS1 sources (flagbonafide_ucd) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)fplucd (char) Flag for UCDs considered as 'plausible' counterparts to the eRASS1 sources (flagplausibleucd) ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  (1)iCat (char) Original input catalog (iCat) (Note 1)   ((unassigned);(unassigned);(unassigned);phys.size.diameter)
  (1)Simbad (char) ask the Simbad data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (2)Gmag mag G-band magnitude from the Gaia DR2 catalog (Gmag) ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (2)Jmag mag J-band magnitude from the 2MASS (Cat. II/246) catalog (Jmag) ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (2)W1mag mag (n) W1-band magnitude from the AllWISE (Cat. II/328) catalog (W1mag) ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (2)SpTypeopt (char) Spectroscopic spectral type in visual bandpass (spt_opt) (Note 1)   (time.epoch;pos.wcs.crval;arith.grad;pos.posAng;meta.main)
  (2)SpTypeph (char) Photometric spectral type from the G-J color index (spt_photo) (Note 2)   ((unassigned);phys.atmol.qn;arith.grad;pos.posAng;meta.main)
  (2)Dist pc Distance from Bailer-Jones et al. (2018, Cat. I/347) (dist) ((unassigned);(unassigned);(unassigned);em.UV.10-50nm)
  (2)e_Dist pc Lower error on the distance estimated by Bailer-Jones et al. (2018) (elo_dist) ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2)E_Dist pc Upper error on the distance estimated by Bailer-Jones et al. (2018) (eup_dist) ((unassigned);(unassigned);(unassigned);time.age;pos.phaseAng;meta.main)
  (2)logLX [10-6W] log of Lx for the eROSITA band 1+2 (LogLx) (Note 3)   ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);(unassigned))
  (2)logLX/Lbol [-] log of the ratio between the eROSITA LX and Lbol from Filippazzo et al. (2015ApJ...810..158F) (LogLxLbol) ((unassigned);(unassigned);(unassigned);(unassigned);instr.offset)
  (2)fyoung (char) Flag for young star (flag_young) (Note 4)   (time.expo;pos.wcs.crpix;arith.grad;pos.eq.dec)
  (2)ryoung (char) Reference on young star (ref_young) ((unassigned);(unassigned);(unassigned);phys.size.diameter)
  (2)fbinary (char) Flag for binary system (flag_binary) (Note 4)   ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  (2)rbinary (char) Reference on binary system (ref_binary) ((unassigned);phys.veloc.orbital;arith.diff;phys.size.diameter)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 3