Infrared energy distribution of CYG OB2 no. 12

Details Infrared energy distribution of CYG OB2 no. 12 Infrared energy distribution of CYG OB2 no. 12

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...111l...7p&link_type=abstract

Astronomy and Astrophysics, vol. 111, no. 1, July 1982, p. L7, L8.

Astronomy and Astrophysics

Astronomy

10

B Stars, Energy Distribution, Infrared Astronomy, Stellar Mass Ejection, Supergiant Stars, Radio Emission, Stellar Envelopes, Stellar Spectra, Stellar Winds

Scientific paper

Results of IR observations from 2.3 up to 20 microns of the B supergiant star No. 12 in the Cygnus OB2 (VI Cyg) association are reported. The derived unreddened infrared energy distribution when compared with the Kurucz model atmosphere for the star shows no IR excess up to the 10 and 20 microns to a limit of approximately 300 mJy. The radio fluxes at 1.3 and 6 cm obtained by Wendker and Althenoff (1980) and Abbott et al. (1981) seem to be too strong with respect to the observed infrared spectral points. Infrared and radio variability may explain this discrepancy.

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