VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
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J/ApJ/582/615
  SHEEP survey (Nandra+, 2003)
Post annotation
img(gal)
1.J/ApJ/582/615/table1(c)The SHEEP Sample (69 rows)
2.J/ApJ/582/615/table2ROSAT Observations of SHEEP Sources (56 rows)
3.J/ApJ/582/615/table3(c)Catalog and Literature Identifications (19 rows)
4.J/ApJ/582/615/table5Spectral Fits to Sources with S/N > 10 (8 rows)

 
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)SHEEP (char) (i) SHEEP designation(JHHMM.m+DDMM) (meta.id;meta.main)
  (1+3)RA2000 "h:m:s" (i) ASCA Right ascension (2000) (pos.eq.ra;meta.main)
  (1+3)DE2000 "d:m:s" (i) ASCA Declination (2000) (pos.eq.dec;meta.main)
  (1)S/N  Signal-to-noise ratio (equivalent sigma) (stat.snr)
  (1)Raw 10-4ct/s Total GIS2+GIS3 counts in the 5-10keV band divided by total exposure (GIS2+GIS3) (phot.count;em.X-ray)
  (1)e_Raw 10-4ct/s rms uncertainty on Raw (stat.error)
  (1)Rate 10-4ct/s Hard-band (5-10keV) count rate corrected to on-axis value for a single GIS detector (phot.count;em.X-ray)
  (1)e_Rate 10-4ct/s rms uncertainty on Rate (stat.error)
  (1)HM  Medium hardness ratio (HM=H-M/H+M) (Note 1)   (phot.flux;arith.ratio)
  (1)E_HM  Error on HM (Upper limit) (stat.error)

ALL cols
    
 (i)indexed column
  (1)e_HM  Error on HM (Lower limit) (stat.error)
  (1)HS  Soft hardness ratio (HS=H-S/H+S) (Note 1)   (phot.flux;arith.ratio)
  (1)E_HS  Error on HS (Upper limit) (stat.error)
  (1)e_HS  Error on HS (Lower limit) (stat.error)
  (1)Seq  Sequence number in which this source was detected (meta.id)
  (1+2)ExpTime ks Total GIS+GIS3 exposure time for sequence (time.duration;obs.exposure)
  (2)Seq (char) ROSAT sequence or catalog (meta.id)
  (2)theta arcmin (n) Off-axis angle (instr.offset)
  (2)RXJ (char) ROSAT designation (meta.id.cross)
  (2+3)Offset arcmin (n) Offset from ACSA position (pos.angDistance)
  (2)l_Rate (char) Limit flag on Rate (meta.code.error)
  (2)Rate ct/s PSPC or HRI count rate in the 0.1-2keV band (phot.count;em.X-ray)
  (2)e_Rate ct/s (n) rms uncertainty on Rate (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+4)NH 10+21cm-2Galactic hydrogen column density (phys.columnDensity)
  (2)l_Flux (char) Limit flag on Flux (meta.code.error)
  (2)Flux 10-16W/m2Flux in the 0.1-2keV band (phot.flux)
  (3+4)Name (char) Other name from NED (meta.id)
  (3)Class (char) Classification (Note 1)   (src.class)
  (3)z  (n) Redshfit (src.redshift)
  (3)Radio (char) [YN] Known radio source ? (meta.code)
  (3)IR (char) [YN] Known infrared source ? (meta.code)
  (3)Ref  Reference code (Note 2)   (meta.ref)
  (3)NED (char) ask the NED data-base about this object (meta.ref)
  (4)E_NH 10+21cm-2Error on NH (Upper limit) (stat.error)
  (4)e_NH 10+21cm-2Error on NH (Lower limit) (stat.error)
  (4)Sp-Index  Spectral index Sp-Index (spect.index)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)E_Sp-Index  Error on Sp-Index (Upper limit) (stat.error)
  (4)e_Sp-Index  Error on Sp-Index (Lower limit) (stat.error)
  (4)FX(2-10) 10-15W/m2Flux in the 2-10keV band (phot.flux)
  (4)FX(5-10) 10-15W/m2Flux in the 5-10keV band (phot.flux)
  (4)Chi2  Chi2 value (stat.fit.param)
  (4)DOF  Degrees of freedom (stat.fit.dof)

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