Infrared spectra of HM Sagittae and V1016 Cygni

Details Infrared spectra of HM Sagittae and V1016 Cygni Infrared spectra of HM Sagittae and V1016 Cygni

Jul 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...223l..93p&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 223, July 15, 1978, p. L93-L95.

Astronomy and Astrophysics

Astrophysics

47

Infrared Spectra, Photosphere, Stellar Atmospheres, Stellar Spectrophotometry, Black Body Radiation, Interstellar Radiation, Optical Thickness, Silicates, Stellar Envelopes, Stellar Spectra

Scientific paper

Spectrophotometry of HM Sge from 2 to 13 microns is presented along with 2 to 4-micron spectrophotometry of V1016 Cyg. From 2.5 to 8 microns, the spectrum of HM Sge can be represented by a 950-K blackbody, and a strong silicate emission feature is seen from 8 to 13 microns. Both HM Sge and V1016 Cyg show evidence of CO absorption at 2.3 microns. It is suggested that the infrared radiation from these objects arises from a combination of emission by optically thin dust and by the reddened photosphere of a cool star.

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