Discovery of strong radio flaring from HR 1099

Journal Article · Thu Nov 30 23:00:00 EST 1978 · Astron. J.; (United States)

DOI:https://doi.org/10.1086/112346· OSTI ID:6652065

Feldman, P A; Taylor, A R; Gregory, P C; Seaquist, E R; Balonek, T J; Cohen, N L

A remarkable series of strong radio outbursts was discovered from the RS CVn binary HR 1099 (=V711 Tau) starting on 20 February 1978. The flux density at 10.5 GHz was monitored for nine days at the Algonquin Radio Observatory and whenever possible at 15.5 and 7.9 GHz at Haystack Observatory. These data show, for the first time, detailed temporal development of several RS CVn radio flares. The mechanism of radio emission is almost certainly nonthermal gyrosynchrotron radiation in a volume whose characteristic dimension is several times larger than the stellar size(s) but comparable with the binary star separation.

• Research Organization: Herzberg Institute of Astrophysics, National Research Council of Canada, Ottawa, Canada K1A 0R6
• OSTI ID: 6652065
• Journal Information: Astron. J.; (United States), Journal Name: Astron. J.; (United States) Vol. 83:12; ISSN ANJOA
• Country of Publication: United States
• Language: English

Related Subjects

640102* -- Astrophysics & Cosmology-- Stars & Quasi-Stellar
Radio & X-Ray Sources
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ANTENNAS
BINARY STARS
ELECTRICAL EQUIPMENT
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
EMISSION SPECTRA
EQUIPMENT
LINE WIDTHS
RADIATION FLUX
RADIATIONS
RADIO EQUIPMENT
RADIO TELESCOPES
RADIOWAVE RADIATION
SPECTRA
STARS
STELLAR FLARES
TELESCOPES