An unusual emission-line star/X-ray source/radio star, possibly associated with an SNR

Details An unusual emission-line star/X-ray source/radio star, possibly associated with an SNR An unusual emission-line star/X-ray source/radio star, possibly associated with an SNR

Nov 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.276...44c&link_type=abstract

Nature, vol. 276, Nov. 2, 1978, p. 44, 45.

Astronomy and Astrophysics

Astronomy

67

Emission Spectra, Line Spectra, Radio Stars, Stellar Spectra, Supernova Remnants, X Ray Sources, Astronomical Spectroscopy, Balmer Series, Binary Stars, H Lines, Optical Properties, Spectral Emission, Spectrum Analysis, Stellar Magnitude

Scientific paper

A star with an unusual emission-line spectrum is described, which is associated with a variable point radio source, and possibly also with a variable X-ray source and the radio supernova remnant W50 (G39.7-2.0). The radio, X-ray, and optical properties of the star seem to be similar to those of the radio/X-ray/optical star Circinus X-1, tentatively associated with the supernova remnant G321.9-0.3. Such objects may represent an identifiable subclass of stellar remnants of supernovae.

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