Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...275..802f&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 275, Dec. 15, 1983, p. 802-807.
Astronomy and Astrophysics
Astronomy
28
Binary Stars, Radio Sources (Astronomy), X Ray Sources, Energy Transfer, Extragalactic Radio Sources, Interferometry, Luminosity, Radiant Flux Density, Radio Emission
Scientific paper
On the basis of a variety of observational results, it is judged that Sco X-1 is a radio triple source with a morphology similar to that of luminous extragalactic sources. The beam model of continuous bulk kinetic flow from the radio core to the radio lobes will work in Sco X-1 only if (1) the beam flow is relativistic, (2) the conversion of bulk kinetic energy to radiative energy is of an efficiency greater than 10 percent, and (3) if the beam is stopped by a medium with a density of about 10/cu cm, which is about a factor of 30 higher than that of the typical interstellar medium. Other alternatives seem even less attractive than these. The size of the northeast component is smaller than that expected from diffusion of the electrons over their radiative age of about 200 years, based on an equipartition magnetic field strength of 0.005 gauss.
Fomalont Edward B.
Geldzahler Barry J.
Hjellming Robert M.
Wade Campbell M.
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