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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/299/39
  Orion Trapezium area ROSAT PSPC obs. I. (Geier+, 1995)
ReadMe+ftp
1995A&A...299...39G
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/299/39/table1(c)Positions and identifications of X-ray sources (171 rows)
2.J/A+A/299/39/table2X-ray properties of the sample (171 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)ROS-ORI  (i) [1/171] Sequential number (meta.id;meta.main)
   (ALL)ROS-ORI (char) Link to all parameters from ROSAT obserations in Orion (phys.columnDensity)
  (1)RAJ2000 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  (1)phi arcmin Off-axis angle (instr.offset)
  (1)P  (n) Parenago (1954TrSht..25....1P) number (meta.id.assoc)
  (1)JW  (n) Jones & Walker (1988AJ.....95.1755J) number (meta.id)
  (1)Var (char) Variable name (meta.id)
  (1)Names (char) Other names (meta.id)
  (2)NPhot ct Net X-ray photon count (phot.count;em.X-ray)
  (2)CountRate ct/ks Count rate (phot.count;em.X-ray)
  (2)HR1  Hardness ratio HR1 (phot.flux;arith.ratio)
  (2)HR2  Hardness ratio HR2 (phot.flux;arith.ratio)
  (2)Tx MK (n) Temperature of corona plasma (phys.temperature)
  (2)N(HI) 10+21cm-2(n) HI column density (phys.columnDensity)

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