RS Ophiuchi - First radio detection of a recurrent nova outburst

Details RS Ophiuchi - First radio detection of a recurrent nova outburst RS Ophiuchi - First radio detection of a recurrent nova outburst

May 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985natur.315..306p&link_type=abstract

Nature (ISSN 0028-0836), vol. 315, May 23, 1985, p. 306.

Astronomy and Astrophysics

Astronomy

29

Cataclysmic Variables, Novae, Ophiuchi Clouds, Radio Sources (Astronomy), Stellar Spectrophotometry, Circular Polarization, Emission Spectra, Radiant Flux Density, Stellar Evolution, Visible Spectrum

Scientific paper

The first radio detection of an outbreak from a recurrent nova, RS Ophiuchi, is reported. The observations begin only 18 days after the optical maximum and show a radio 'light' curve which is different from that of classical novae. The brightness temperature of roughly 10 million K, calculated for this event, greatly exceeds the 10,000 K seen in classical novae, and suggests a nonthermal origin for the radio emission from RS Ophiuchi. Although the later emission has a classical (t-t subzero) 'light' curve, the radio emission mechanism appears not to turn on until 14 days after the optical nova and takes a further 10 days to reach the (t-tzero) curve. Analogies may be drawn between the radio development of RS Ophiuchi and that of young supernovae.

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