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

  
VIII/44
  Miyun 232MHz survey (Zhang+ 1997)
Post annotation
img(gal)
1.VIII/44/table2(c)The source-list of the survey (34426 rows)
2.VIII/44/table3Information on 152 fields of view (152 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)DE1950 "d:m:s" (i) Declination 1950.0 of the source (pos.eq.dec;meta.main)
  (1)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  (1)Factor  Factor for correcting the primary beam (instr.param)
   (ALL)Field (char) Number of the field of view (meta.id;instr.fov)
  (1)Name (char) Source name (Note 1)   (meta.id;meta.main)
  (1)RA1950 "h:m:s" (i) Right ascension 1950.0 of the source (pos.eq.ra;meta.main)
  (1)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Sint Jy (n) Integrated flux density at 232MHz (Jy/beam) (phot.flux.density;em.radio.200-400MHz)
  (1)S/N  Local S/N (Note 2)   (stat.snr)
  (1)Speak Jy Peak flux density at 232MHz (Jy/beam) (phot.flux.density;em.radio.200-400MHz)
  (2)DEd deg Declination of the field center at OBSdate (pos.eq.dec)
  (2)Fluct mJy Background fluctuation (mJy/beam) (instr.background)
  (2)OBSdate "Y:M:D" (n)Observing date (time.epoch)
  (2)RA "h:m:s" RA of the field center at equinox of OBSdate (pos.eq.ra)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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Rules of usage of VizieR data

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