A coordinated X-ray, optical, and microwave study of the flare star Proxima Centauri

Details A coordinated X-ray, optical, and microwave study of the flare star Proxima Centauri A coordinated X-ray, optical, and microwave study of the flare star Proxima Centauri

Oct 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...225l..35h&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 225, Oct. 1, 1978, p. L35-L37.

Astronomy and Astrophysics

Astronomy

14

Flare Stars, Radio Astronomy, Radio Sources (Astronomy), Visual Observation, X Ray Astronomy, Far Ultraviolet Radiation, Microwave Emission, Ultraviolet Astronomy

Scientific paper

Results are reported for a three-day coordinated observing program to monitor the flare star Proxima Centauri in the X-ray, optical, and radio spectrum. During this interval 30 optical flares and 12 possible radio bursts were observed. The SAS 3 X-ray satellite made no X-ray detections. An upper limit of 0.08 on the X-ray/optical luminosity ratio is derived for the brightest optical flare. The most sensitive of the radio telescopes failed to detect 6-cm emission during one major and three minor optical flares, and on this basis an upper limit on the flare radio emission (1 hundred-thousandth of the optimal luminosity) is derived.

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