Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980afz....16..669a&link_type=abstract
(Astrofizika, vol. 16, Oct.-Dec. 1980, p. 669-675.) Astrophysics, vol. 16, no. 4, Apr. 1981, p. 386-390. Translation.
Astronomy and Astrophysics
Astronomy
Infrared Astronomy, Infrared Photometry, S Stars, Stellar Spectrophotometry, Absorption Spectra, Astronomical Catalogs, Colorimetry, Energy Distribution
Scientific paper
Results are given of observations of 13 S stars in Stephenson's catalog
(1976) in the range 0.98-2.39 microns. Observations were made with a
2.6-m reflecting telescope using a PbS detector cooled by carbon
dioxide. An infrared excess at 1.75 microns is found for some of the
stars, and absorption at 2.39 microns is found for all of them.
Akopian A. A.
Kirian V. V.
Melik-Alaverdian Iu. K.
Tovmasian G. M.
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