Low-frequency radio spectra of SCO X-1

Details Low-frequency radio spectra of SCO X-1 Low-frequency radio spectra of SCO X-1

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.239..281v&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 239, July 15, 1989, p. 281-288.

Astronomy and Astrophysics

Astronomy

2

Low Frequencies, Radio Sources (Astronomy), Radio Spectra, X Ray Sources, Astronomical Maps, Power Spectra, Scorpius Constellation, Spectral Energy Distribution, Synchrotron Radiation

Scientific paper

New observations of Sco X-1 at 327 and 843 MHz with the Ooty Synthesis Radio Telescope and the Molonglo Observatory Synthesis Telescope are presented. The northeastern component in Sco X-1 shows a spectral turnover at about 1.5 GHz. The central component was not detected at these frequencies. The southwestern component shows a power-law spectrum with alpha of about -0.75 between 0.3 and 5 GHz. The radio structure and spectra of Sco X-1 resemble those of extragalactic compact doubles.

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