VizieR

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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/312/818
  NGC 2516 X-ray sources (Dachs+, 1996)
ReadMe+ftp
1996A&A...312..818D
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/312/818/table2(c)X-ray sources detected in NGC 2516 (64 rows)
2.J/A+A/312/818/table3(c)Stars in the field of NGC 2516 identified with ROSAT X-ray sources (46 rows)
3.J/A+A/312/818/table6Properties of X-ray sources identified with optical stars of known (or assumed) distance (45 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)No  (i) [1/64] Running number (increasing with α) (meta.id;meta.main)
  (1)Seq   X-ray source number, as detected with EXSAS reduction package (increasing with -δ) (meta.id)
  (1)m_Seq (char) Multiplicity index on Seq (meta.code.multip)
  (1+2)RA2000 "h:m:s" (i) Right ascension (2000.0) (Note 1)   (pos.eq.ra;meta.main)
  (1+2)DE2000 "d:m:s" (n)(i) Declination sign (pos.eq.dec;meta.main)
  (1+2)Dr arcsec 90% confidence source radius (phys.angSize;src)
  (1)u_Dr (char) Undertainty flag on Dr (meta.code.error)
  (1)CtRate ct/s Count rate corrected for vignetting and for the life-time factor (=0.978) (phot.count;em.X-ray)
  (1)e_CtRate ct/s rms uncertainty on Count rate (stat.error)
  (1)HR1  Hardness ratio HR1 (phot.flux;arith.ratio)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)u_HR1 (char) Uncertainty flag on HR1 (meta.code.error)
  (1)e_HR1   rms uncertainty on HR1 (stat.error)
  (1)HR2  Hardness ration HR2 (phot.flux;arith.ratio)
  (1)u_HR2 (char) Uncertainty flag on HR2 (meta.code.error)
  (1)e_HR2   rms uncertainty on HR2 (stat.error)
  (2+3)m_No (char) [)] A ')' indicates the second component of a binary (meta.code.multip)
  (2+3)Name (char) Identification HD, CPD or CD (meta.id)
  (2)n_Name (char) [bc] b = HR 3138; c = HR 3147 (meta.note)
  (2)DK   Running number in the photometric study of Dachs and Kabus (1989), hereafter DK (meta.id)
  (2)m_DK (char) Multiplicity index on DK (meta.code.multip)
  (2+3)Sp (char) Spectral type (src.spType)
  (2)n_Sp (char) [g] A 'g' indicates new spectral type (meta.note)
  (2)n_RA (char) [def] (Note 1)   (meta.note)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)n_DE (char) [def] (Note 1)   (meta.note)
  (2)DRA s Position difference ROSAT minus optical in RA (Note 2)   (pos.eq.ra;arith.diff)
  (2)n_DRA (char) [d] (Note 1)   (meta.note)
  (2)DDE arcsec Position difference ROSAT minus optical in DE (Note 2)   (pos.eq.dec;arith.diff)
  (2)n_DDE (char) [d] (Note 1)   (meta.note)
  (2)Memb (char) Cluster membership of star, M=member, NM=non-member (meta.code.member)
  (3)Vmag mag V magnitude (from DK) (phot.mag;em.opt.V)
  (3)u_Vmag (char) Uncertainty flag on Vmag (meta.code.error)
  (3)B-V mag B-V color index (from DK) (phot.color;em.opt.B;em.opt.V)
  (3)d pc Adopted distance (pos.distance)
  (3)u_d (char) Uncertainty flag on distance (meta.code.error)
  (3)Mv mag Inferred absolute visual magnitude (phys.magAbs;em.opt)
  (3)u_Mv (char) Uncertainty flag on Mv (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)Lbol solLum Bolometric luminosity (phys.luminosity)
  (3)u_Lbol (char) Uncertainty flag on Lbol (meta.code.error)
  (3)Fx 10-14mW/m2 ROSAT X-ray flux (10–14erg/cm2/s) (Note 1)   (phot.flux;em.X-ray)
  (3)u_Fx (char) Uncertainty flag on Fx (meta.code.error)
  (3)e_Fx 10-14mW/m2 rms uncertainty on Fx (stat.error)
  (3)Lx 10-7W X-ray luminosity (0.16-2.5keV) (phys.luminosity;em.X-ray)
  (3)e_Lx 10-7W Rms uncertainty on Lx (stat.error)
  (3)u_Lx (char) Uncertainty flag on Lx (meta.code.error)
  (3)-log(Lx/Lbol)   -log(X-ray/bolometric luminosities) (phys.luminosity;arith.ratio)
  (3)u_-log(Lx/Lbol) (char) Uncertainty flag on -log(Lx/Lbol) (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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