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/291/261
  H2O masers in HII regions (Codella+, 1994)
ReadMe+ftp
1994A&A...291..261C
Similar Catalogs
[METAcat] [METAcells] [stats]
Post annotation 		img(gal)
1.J/A+A/291/261/table1(c)Summary of the observed sources (410 rows) (released 2025-06-13)
[METAtab] [METAcola]
2.J/A+A/291/261/table2(c)Derived parameters of the detected maser sources (129 rows) (released 2025-06-13)
[METAtab] [METAcola]
Help Xmatch is

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. (meta.record)
   (ALL)RA1950 "h:m:s" (i) Right ascension 1950 (pos.eq.ra;meta.main)
   (ALL)DE1950 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
  (1)GLON deg Galactic longitude (pos.galactic.lon)
  (1)GLAT deg Galactic latitude (pos.galactic.lat)
  (1)d kpc (n) Distance (pos.distance;pos.heliocentric)
  (1)IRAS (char) IRAS name (meta.id;meta.main)
  (1)Dl Jy (n) Detection limit (3 r.m.s.) (instr.sensitivity)
  (1)Mas (char) [M] A 'M' indicates that maser is detected (meta.note)
  (1)Rem (char) Remarks (Note 1)   (meta.note)
   (ALL)_RA.icrs "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)_DE.icrs "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  (2)Obs  (n)ID of source observed in table1 (meta.id.parent)
  (2)Date "Y:M:D" (n)Observation date (time.epoch)
  (2)l_Fpeak (char) limit flag on Fpeak (meta.code.error)
  (2)Fpeak Jy Flux of the strongest component (phot.flux.density;em.radio.12-30GHz)
  (2)e_Fpeak Jy (n) Noise of the spectrum (r.m.s.) (stat.error)
  (2)FWHM km/s (n) FWHM of the strongest component (spect.line.width)
  (2)Vpeak km/s (n) Velocity of the strongest component (spect.dopplerVeloc)
  (2)Vmin km/s (n) Lower extreme of the emission interval (spect.dopplerVeloc)
  (2)Vmax km/s (n) Upper extreme of the emission interval (spect.dopplerVeloc)
  (2)Vres km/s Spectral resolution (spect.resolution)
  (2)FH2O Jy.km/s (n) Integrated flux (phot.flux)
  (2)LH2O solLum (n) Water maser luminosity (phys.luminosity)

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 (2025-08-23T18:39:50)
-3
-source=J/A+A/291/261
-ref=VIZ68aa0af62d214d
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 Jun 11 08:12 /srv/httpd/bin/vizier
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select ucdid, name, class, explain From METAucd where ucdid=109
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select ucdid, name, class, explain From METAucd where ucdid=909
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select famid, name, explain From METAfam where famid=518
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select ucdid, name, class, explain From METAucd where ucdid=348
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select famid, name, explain From METAfam where famid=120
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select ucdid, name, class, explain From METAucd where ucdid=297
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select famid, name, explain From METAfam where famid=1306
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select ucdid, name, class, explain From METAucd where ucdid=410
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select famid, name, explain From METAfam where famid=1335
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select ucdid, name, class, explain From METAucd where ucdid=51
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select famid, name, explain From METAfam where famid=1321
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select ucdid, name, class, explain From METAucd where ucdid=106
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select famid, name, explain From METAfam where famid=1281
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select ucdid, name, class, explain From METAucd where ucdid=191
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755974390]   Select famid, name, explain From METAfam where famid=996
----db1_reset(0 'metaviz@VIZIR')
----opt1= 8
----inherit(u=used, h=hidden):
     [u] +source=J/A+A/291/261
     [u] -ref=VIZ68aa0af62d214d
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
→ Cite/acknowledge VizieR catalogue
→ Rules of usage of VizieR data

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