Millimetre-Wave Radio Source in Taurus

Details Millimetre-Wave Radio Source in Taurus Millimetre-Wave Radio Source in Taurus

Apr 1962

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1962natur.194..170b&link_type=abstract

Nature, Volume 194, Issue 4824, pp. 170-171 (1962).

Physics

1

Scientific paper

RECENT microwave observations by Kuzmin and Salomonovich1 and by myself of the radio emission from Taurus have revealed the presence of an unusual radio source located approximately 9 min. of arc east of Taurus-A. Kuzmin and Salomonovich observed the source with the 22-m. radiotelescope of the Lebedev Institute of Physics operating at 8-mm. wave-length and with a pencil beam-width of 2 min. of arc to the half-power points. While taking drift curves on Taurus-A, these workers detected a new source approximately 35s east of Taurus-A. The reported flux density at 8-mm. wave-length is 1.30 × 10-24 +/- 25 per cent W./m.2 (c.p.s.), the brightness temperature, TB, is 7 +/- 25 per cent ° K., the angular width in right ascension is 2.5 min. of arc and the flux density ratio to Taurus-A is 0.26. Kuzmin and Salomonovich conclude that the source is a thermal emitter with an emission measure of 2.7 × 106, as would certainly be expected from a source initially discovered at 8-mm. wave-length.

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