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VizieR

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VIII/1A
  The 3C and 3CR Catalogues (Edge+ 1959-1962)
Post annotation
img(gal)
1.VIII/1A/3c(c)3C catalog of radio sources (1959) (471 rows)
2.VIII/1A/3cr(c)The revised 3C catalogue of radio sources (1962) (328 rows)
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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)
  (1)3C  (i) [1,471] 3C source designation (meta.id;meta.main)
  (1)u_3C (char) [)] sources with open doubt (Note 1)   (meta.code.error)
  (1)f_3C (char) [+] observed in both 3C(a) and 3C(c) surveys (meta.code)
  (1)q_3C (char) [*] sources with considerable confidence (meta.code.qual)
  (1)n_3C (char) [AB] Analysis flag (Note 2)   (meta.note)
  (1)f_RA1950 (char) [-<> ] Possible lobe confusion on R.A. (Note 3)   (meta.code)
   (ALL)RA1950 "h:m:s" (i) Right ascension (1950.0) (pos.eq.ra;meta.main)
   (ALL)e_RA1950 s (n) rms uncertainty on right ascension (stat.error;pos.eq.ra)
  (1)f_DE1950 (char) [v^ ] Possible lobe confusion on Decl. (Note 3)   (meta.code)
   (ALL)DE1950 "d:m:s" (i) Declination (1950.0) (pos.eq.dec;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)e_DE1950 arcmin (n) rms uncertainty on declination (stat.error)
  (1)u_DE1950 (char) [)] Uncertainty flag on DE rms (meta.code.error)
  (1)S159MHz Jy Flux density at 159MHz (phot.flux.density;em.radio.100-200MHz)
  (1)n_S159MHz (char) [W] indicates a flux density taken from Whitfield (1957MNRAS.117..680W) (meta.note)
  (1)e_S159MHz Jy (n) rms uncertainty on S159MHz (stat.error)
  (1)u_S159MHz (char) [)] Uncertainty flag on flux rms (meta.code.error)
   (ALL)l_Diam (char) [~<>] Limit flag on Diam (meta.code.error)
  (1)Diam arcmin (n) Angular diameter (phys.angSize)
  (1)e_Diam arcmin (n) rms uncertainty on Diam (stat.error)
  (1)n_Diam (char) Note (C: Complex, >12' upper limit for Diam) (meta.note)
   (ALL)Notes (char) Suggested correspondences and notes (Note 4)   (meta.note)
   (ALL)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
   (ALL)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)3CR (char) (i) 3CR source designation (Note 1)   (meta.id;meta.main)
  (2)S178MHz Jy Flux density at 178MHz (phot.flux.density;em.radio.100-200MHz)
  (2)n_S178MHz (char) [*] 469λ interferometer (Note 2)   (meta.note)
  (2)Diam  (n) Angular diameter (phys.angSize)
  (2)x_Diam (char) ["'] Units of diameter (' or ") (meta.unit)
  (2)e_Diam  (n) rms uncertainty on Diam (stat.error)
  (2)f_Diam (char) [)] Confusing sources (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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