Optical identification of radio sources south of declination -75 deg

Details Optical identification of radio sources south of declination -75 deg Optical identification of radio sources south of declination -75 deg

Feb 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977aj.....82..102a&link_type=abstract

Astronomical Journal, vol. 82, Feb. 1977, p. 102-105, 183, 184.

Astronomy and Astrophysics

Astronomy

14

Optical Measurement, Quasars, Radio Sources (Astronomy), Calibrating, Data Reduction, Elliptical Galaxies, Identifying, Polar Caps, Radio Galaxies, Root-Mean-Square Errors, Southern Hemisphere, Ultraviolet Radiation

Scientific paper

Fifteen new candidates for optical counterparts of radio sources are reported. The total number of radio sources in the searched fields is 105, and they are between 0 and 10 hr 30 min in right ascension in the south celestial polar cap. Eight of the 15 objects are QSO candidates, increasing by almost a factor of three the number of previously suggested QSOs south of declination -75 deg. Seven are galaxies, nearly doubling the present number of galaxies which are suggested counterparts of radio sources south of -75 deg. One of the previously suggested QSOs selected on the basis of positional agreement shows an ultraviolet excess in this survey, hence it is confirmed as a QSO candidate.

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