Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...188...46e&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 188, no. 1, Dec. 1987, p. 46-48. Research supported by the U.S.-Spanish Joint
Astronomy and Astrophysics
Astronomy
14
Absorption Spectra, Double Stars, Ice, Infrared Sources (Astronomy), Molecular Clouds, Speckle Interferometry, Angular Resolution, Main Sequence Stars, Near Infrared Radiation, Stellar Temperature
Scientific paper
One-dimensional near-infrared speckle observations of the ice feature of the low-luminosity infrared double source Serpens SVS 220 are reported. The depth of the 3.1-micron feature is found to be the same for both components of SVS 20, suggesting that the ice-carrying grains belong to the material distributed on a larger scale within the Serpens molecular cloud. The results indicate that the two components of SVS 20 may suffer similar optical extinctions and have a similar intrinsic energy distribution. It is suggested that both stars of SVS 20 have not yet reached the T Tauri stage and may still be embedded in circumstellar dust shells.
Eiroa Carlos
Leinert Ch.
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