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/ApJ/554/202
  ROSAT X-ray observations of M81 (Immler+, 2001)
ReadMe+ftp
2001ApJ...554..202I
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/554/202/table3(c)ROSAT HRI M81 source list (46 rows)
2.J/ApJ/554/202/table4(c)ROSAT PSPC M81 source list (69 rows)
3.J/ApJ/554/202/table5ROSAT M81 source identifications (30 rows)
4.J/ApJ/554/202/table6(c)Position Coincidence between X-Ray sources and SNR candidates (3 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (1+3+4)HNN (char) (i) Source name (where H denotes HRI) (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (1+2+4)RAJ2000 "h:m:s" Right Ascension (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1+2+4)DEJ2000 "d:m:s" Declination (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)R90% arcsec The 90% confidence error radius of the source position (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  (1)CR 10-4.ct/sNet count rate (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;time.duration;(unassigned);(unassigned))
  (1)e_CR 10-4.ct/sUncertainty in CR (Note 2)   ((unassigned);pos.galactic.lon;arith.diff;time.age;meta.main)
  (1+2)Com (char) Comment regarding source variability ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
   (2+3+4)PNN (char) (i) Source name (where `P' denotes PSPC) (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (2)CR ct/ks Net count rate in the 0.5-2keV band ((unassigned);phys.veloc.orbital;arith.diff;time.duration;(unassigned);(unassigned))
  (2)e_CR ct/ks Uncertainty in CR ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)

ALL cols		    
 (i)indexed column
  (2)HR1  First hardness ratio (Note 1)   ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)
  (2)e_HR1  Uncertainty in HR1 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2)HR2  Second hardness ratio (Note 2)   ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)
  (2)e_HR2  Uncertainty in HR2 ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  (3+4)Offset arcsec Offset from the X-ray position ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)
  (3)Rmag mag (n) R magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (3)Bmag mag (n) B magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (3)l_B-R (char) Limit flag on B-R ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  (3)B-R mag (n) B-R colour index ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  (3)Id (char) Identification (Note 1)   ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  (4)[MF97] (char) SNR designation (MF NN = [MF97] M 81 NN in Simbad) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  (4)LHa W H{alpha} luminosity ((unassigned);(unassigned);(unassigned);(unassigned))
  (4)[SII]/Ha  Ratio of [SII] to H{alpha} ((unassigned);(unassigned);(unassigned);phys.atmol.qn.I;instr.param)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)Size pc Size ((unassigned);(unassigned);(unassigned);(unassigned))
  (4)Opt (char) Optical shape ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)
  (4)LX W X-ray luminosity ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);(unassigned))

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  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846441188 Where phase=3 and catid=15540202
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846441188 Where phase=3 and catid=15540202
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846441188 Where phase=3 and catid=15540202
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR166878.err (2026-10-27T18:33:06)
-3
-source=J/ApJ/554/202
-ref=VIZ6ae0ee6328bde
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