Other
Scientific paper
Oct 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.269..581s&link_type=abstract
Nature, vol. 269, Oct. 13, 1977, p. 581, 582.
Other
5
B Stars, Radio Emission, Radio Stars, Polarization (Waves), Position (Location), Radiant Flux Density, Radio Spectra
Scientific paper
Attention is given to a weak radio source coincident with the 6.2-mag B8Vn star HD26676. Data are derived at 21 cm during an 8-hour observation, at 6 cm during three 10-hour observations over a six-week period. Linear and circular polarization is found to be less than 20% of total intensity at 6 cm and less than 10% of total intensity at 21 cm, with the radio source unresolved at both wavelengths. Calculated flux densities yield a spectral index between 6 and 21 cm of alpha -0.8 plus or minus 0.2, which qualifies HD26676 as a radio star. Unlike other radio stars, however, the spectral index of HD26676 is negative, and it is not known to be either a variable star or a binary system. It is suggested that HD26676 may serve as an important test case for emission mechanisms, and provide a constraint for future models.
Harris Daniel E.
Strom Richard G.
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