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/446/501
  XMM observations of sigma Ori cluster (Franciosini+, 2006)
ReadMe+ftp
2006A&A...446..501F
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/446/501/xrayX-ray sources with or with no known counterpart within 5" (156 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)
  n_NX (char) w with at least one cluster member or candidate (tablea1) within 5", n with no known optical counterpart (tableb) within 5" (meta.note)
  NX  X-ray sources running identification number, [FPS2006] NX NNN in Simbad (meta.record)
  f_NX (char) [*] Note on NX (Note 1)   (meta.code)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  Sign  Significance of detection (stat.likelihood;obs)
  CR ct/ks Count rate (phot.count;em.X-ray)
  e_CR ct/ks rms uncertainty on CR (stat.error)
  OptID (char) Optical ID (Note G1)   (meta.id.cross)
  n_OptID (char) [cde] Note on OptID (Note 2)   (meta.note)

ALL cols		    
 (i)indexed column
  Dr arcsec (n) Offset between X-ray and optical source (pos.angDistance)
  Imag mag (n) I magnitude (phot.mag;em.opt.I)
  R-I mag (n) R-I colour index (phot.color;em.opt.R;em.opt.I)
  I-J mag (n) I-J colour index (phot.color;em.IR;em.IR)
  SpType (char) MK spectral type (Note 3)   (src.spType)
  r_SpType (char) [*] *: spectral types from the literature (meta.bib)
  logLX [Sun] (n) Unabsorbed X-ray luminosity in the 0.3-8keV band (phys.luminosity;em.X-ray)
  n_logLX (char) [+] Note on X-ray luminosity (Note 4)   (meta.note)
  C/W (char) Probable/possible CTTS or WTTS flag (Note G2)   (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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