VLBI observations of RS OPH - A recurrent nova with non-spherical ejection

Details VLBI observations of RS OPH - A recurrent nova with non-spherical ejection VLBI observations of RS OPH - A recurrent nova with non-spherical ejection

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.237...81t&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 237, March 1, 1989, p. 81-91.

Astronomy and Astrophysics

Astronomy

56

Brightness Temperature, Novae, Radio Sources (Astronomy), Synchrotron Radiation, Very Long Base Interferometry, Low Frequencies, Radio Emission, Radio Spectra

Scientific paper

VLBI observations of the recurrent nova RS Oph were performed following its 1985 outburst. Measurements were carried out 40 days after optical maximum at a frequency of 5 GHz on the single 700-km baseline from Jodrell Bank to Effelsberg, and at 1.7 GHz with four stations of the European VLBI network. The analysis suggests that the dual-component radio spectrum of RS Oph is composed of a rapidly evolving low-frequency nonthermal component together with a high-frequency thermal component which reaches peak flux density much later than the nonthermal emission.

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