Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...209..296v&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 209, no. 1-2, Jan. 1989, p. 296-304. Research supported by ZWO.
Astronomy and Astrophysics
Astronomy
19
Cyclotron Radiation, Stellar Flares, Synchrotron Radiation, Triple Stars, X Ray Binaries, Early Stars, Radio Sources (Astronomy), Subgiant Stars, Very Long Base Interferometry
Scientific paper
The detection of Algol (Beta Per) at 1.4 GHz is reported. The eclipsing phase of Algol has been observed in radio and at X-ray energies. The radio emission is explained as synchrotron radiation from electrons with energies of about 1 MeV. The magnetic field strength is of the order of tens of Gauss. The radio and X-ray emission are cospatial but the energy in the radio component is 1,000,000 times smaller than that of the X-ray component. The simultaneous observation indicates that an energetic particle component can be present in a quiescent X-ray emitting corona.
Culhane Leonard J.
Kuijpers Jan
van den Oord H. J. G.
van der Hulst J. M.
White Nicholas E.
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