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VizieR

  
J/A+A/299/39
  Orion Trapezium area ROSAT PSPC obs. I. (Geier+, 1995)
Post annotation
img(gal)
1.J/A+A/299/39/table2X-ray properties of the sample (171 rows)

 
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)
  ROS-ORI  (i) [1/171] Sequential number (meta.id;meta.main)
  NPhot ct Net X-ray photon count (phot.count;em.X-ray)
  CountRate ct/ks Count rate (phot.count;em.X-ray)
  HR1  Hardness ratio HR1 (phot.flux;arith.ratio)
  HR2  Hardness ratio HR2 (phot.flux;arith.ratio)
  Tx MK (n) Temperature of corona plasma (phys.temperature)
  N(HI) 10+21cm-2(n) HI column density (phys.columnDensity)

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  
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