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

  
B/chandra
  The Chandra Archive Log (CXC, 1999-2014)
ReadMe+ftp
2002yCat....102007C
Similar Catalogs
image/fits
[METAcat] [METAcells] [stats]
Post annotation 		img(gal)
1.B/chandra/chandraThe Chandra Log (2025-04-06)[image/fits] (26873 rows) (released 2025-04-07)
[METAtab] [METAcola]

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - ) [METAcola]
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  SeqNum  Sequence Number (Note 1)   (meta.id;meta.main)
  ObsID  Observation ID (Note 2)   (meta.id;obs)
  High (char) Get the high resolution image or spectrum of this observation (meta.ref.url)
image/fits
  Low (char) Get the lower resolution image or spectrum of this observation (meta.ref.url)
image/fits
  Instr (char) Instrument (Note 3)   (meta.id;instr)
  Mode (char) Observing mode for ACIS instrument (Note 4)   (instr.setup)
  Grat (char) Grating (Note 5)   (instr.setup)
  AppExp ks Approved exposure time (ks) (time.duration;obs.exposure)
  ExpTime ks (n) Exposure time (ks) (time.duration;obs.exposure)
  Target (char) Target Name as specified in proposal (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  PIname (char) Name of Principal Investigator (meta.id)
  RAJ2000 deg (n)(i) RA in J2000 decimal degrees (pos.eq.ra;meta.main)
  DEJ2000 deg (n)(i) Dec in J2000 decimal degrees (pos.eq.dec;meta.main)
  Status (char) Status of the observation (Note 6)   (meta.code;obs)
  ObsDate s (n)(i) Start Observation date (time.start;obs)
  PubDate s (n) Public release date "YYYY.MM.DD" (time)
  Type (char) Type of observation (Note 7)   (meta.note)
  PrNum  (n) Proposal Number (meta.bib)
  Category (char) Category of the observed target (Note 8)   (src.class)
  AO  Announcement of opportunity (proposal round) (meta.code)

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  
.errorfile=/tmp/V-3.err (2025-04-12T07:15:56)
-3
-source=B/chandra
-ref=VIZ67fa132c1b319
elapse time 0

Options: wopt=0, optS=0, onote=0, opt1=8, opos=0

Contents of error file (/tmp/V-3.err):
-rwxr-xr-x 1 root root 963736 Apr 10 15:32 /srv/httpd/bin/vizier
vizier -- Version 7.5
cgiprint -- version 9.68 (2016-01-16)
----db1_query(0 'metaviz@VIZIR'):
[174444....show_table(B/chandra/chandra): show_status = (11, 10, 0, 0, 0)
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=82
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=1243
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=74
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=1
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=179
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=90
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=330
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=84
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=530
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=17
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=233
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=45
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=253
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=416
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=430
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=1370
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=193
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=176
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=249
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=1165
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=248
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=1135
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=62
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=323
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=417
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=1363
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=367
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=80
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=346
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=55
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=1255
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select ucdid, name, class, explain From METAucd where ucdid=299
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=96
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1744442156]   Select famid, name, explain From METAfam where famid=105
----db1_reset(0 'metaviz@VIZIR')
----inherit(u=used, h=hidden):
     [u] +source=B/chandra
     [u] -ref=VIZ67fa132c1b319
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
----db1_close(1 'metaviz@VIZIR')
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→ Rules of usage of VizieR data

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