Transient radio emission from the X-ray nova ASM 2000+25

Details Transient radio emission from the X-ray nova ASM 2000+25 Transient radio emission from the X-ray nova ASM 2000+25

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...335l..75h&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 335, Dec. 15, 1988, p. L75-L78. Research supported by DOE and Ins

Astronomy and Astrophysics

Astronomy

25

Novae, Radio Sources (Astronomy), X Ray Sources, Radiant Flux Density, Stellar Models, Synchrotron Radiation, Transient Response

Scientific paper

A transient radio source associated with the soft X-ray nova ASM 2000+25 has been observed with the VLA. A nondetection 9 days after the initial X-ray outburst was followed by detections at 1.49 and 4.9 GHz 22 days later. Forty to 60 days after outburst it was a rapidly decaying, optically thin source with flux densities proportional to t-4ν-0.5. The radio data can be fitted to a synchrotron radio source model of a homogeneous, adiabatically expanding sphere of relativistic electrons with an energy spectral index of 2.0.

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