Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aj.....86.1036g&link_type=abstract
Astronomical Journal, vol. 86, July 1981, p. 1036-1041. U.S. Geological Survey
Astronomy and Astrophysics
Astronomy
29
Extragalactic Radio Sources, Galactic Radiation, Radio Sources (Astronomy), Scorpius Constellation, X Ray Sources, Antenna Arrays, Brightness Distribution, Radio Astronomy, Very Long Base Interferometry
Scientific paper
VLA observations of radio emissions at 1465 and 4885 MHz, of Sco X-1 confirm the existence of a colinear triple structure. Evidence that the three components of Sco X-1 are physically associated is presented, including the morphology, spectrum, variability, volume emissivity and magnetic field strength. The possibility of a physical phenomenon occurring in Sco X-1 similar to that occurring in extragalactic radio sources is discussed, and two galactic sources are found having extended emission similar to that in extragalactic objects. The extended structure of Sco X-1 is also observed to be similar to that of the hot spots in luminous extragalactic sources, and a radio source 20 arcmin from Sco X-1 is found to lie nearly along the radio axis formed by the components of Sco X-1.
Corey Brian E.
Fomalont Edward B.
Geldzahler Barry J.
Hilldrup K.
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