4C 21.49 , the SIMBAD biblio

1969AJ.....74..833H - Astron. J., 74, 833-839 (1969)

Declination measurements of selected 4C sources using the Arecibo 1000-ft reflector.

HAZARD C., JAUNCEY D.L., GULKIS S., BACKER D.C., NIELL A.E., SUTTON J., HARRIS D.E. and GUNDERMANN HARDEBECK E.J.

Journal keyword(s):

Simbad objects: 199

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