Compact Radio Sources in the Galactic Nucleus

Details Compact Radio Sources in the Galactic Nucleus Compact Radio Sources in the Galactic Nucleus

Sep 1971

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1971natur.233..112d&link_type=abstract

Nature, Volume 233, Issue 5315, pp. 112-114 (1971).

Computer Science

39

Scientific paper

SMALL-SCALE radio structure within Sgr A, the source identified with the galactic centre, is of great interest because of the recent discovery of similar structure in the infrared1 and because of current speculation on black holes in the galactic nucleus2. In this communication we describe new observations of Sgr A with the Cambridge 1 mile telescope at frequencies of 2.7 and 5 GHz. The beamwidths in right ascension were respectively 11 and 6 arcsec, the best of these being the highest resolution yet applied to the galactic centre. The observations suggest a three component model for Sgr A, and confirm the existence of radio structure on a scale of 10 arcsec. The relation of these compact radio sources to the infrared emission is also examined.

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