VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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/297/391
  T Tauri stars ROSAT survey (Neuhaeuser+, 1995)
ReadMe+ftp
1995A&A...297..391N
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/297/391/table2ROSAT ALL Sky Survey (RASS) data for TTS above RASS detection limit (56 rows)

Simple ConstraintList Of Constraints
 
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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  Name (char) Name ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  RAJ2000 "h:m:s" Right ascension J2000.0 (X-ray position) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  DEJ2000 "d:m:s" Declination J2000.0 (X-ray position) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  Dist arcsec Distance between X-ray and optical positions ((unassigned);phys.veloc.orbital;arith.diff;em.mm.50-100GHz)
  n_Dist (char) [:] A colon indicates X-ray sources that appear to be extended ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  HR1   [-1/1] Hardness ratio 1 (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;instr.offset)
  e_HR1  rms uncertainty on HR1 ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  HR2   [-1/1] Hardness ratio 2 (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;instr.offset)
  e_HR2  rms uncertainty on HR2 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  Xcount ct Background subtracted X-ray counts (for multiples and source confusion cases, we list the combined number of counts). ((unassigned);(unassigned);arith.factor;time.duration;(unassigned);(unassigned))
  e_Xcount ct rms uncertainty on Xcount ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  Exp s RASS exposition time ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);meta.main)

ALL cols		    
 (i)indexed column
Adapt form
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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846594498 Where phase=3 and catid=32970391
**** 
**** --POSTGRES MSG db=1
**** 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/VR4119413.err (2026-10-29T13:08:17)
-3
-source=J/A+A/297/391/table2
-ref=VIZ6ae345413edb75
elapse time 1