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Note on a remarkable object close to the star LSS 3027

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Abstract

The star LSS 3027, embedded in a parabolic-shaped dark nebula, and several stars in its vicinity, were observed photometrically and spectroscopically to investigate whether they are candidates of very young Herbig Ae/Be stars. Only the star LSS 3027B is without doubt a very good candidate. Its Hα-emission is very strong, indicating an extended atmosphere around the star, and its near- and far-infrared spectral energy distributions exhibit a strong excess radiation, which most probably is caused by a thick dust shell in the close environment of the star. The ratio of total to selective extinction is found to be equal toR-5.1. It can be shown that it is embedded in the dark cloud mentioned above. From its properties we believe that the remarkable object LSS 3027B is a typical Hergig Be pre-Main-Sequence object.

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Authors and Affiliations

  1. Astronomical Institute ‘Anton Pannekoek’, University of Amsterdam, Amsterdam, The Netherlands

    H. Steenman & P. S. Thé

Authors
  1. H. Steenman
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  2. P. S. Thé
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Additional information

Based on data obtained at the ESO, La Silla, Chile and with the Infrared Astronomical Satellite (IRAS).

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Steenman, H., Thé, P.S. Note on a remarkable object close to the star LSS 3027. Astrophys Space Sci 161, 75–84 (1989). https://doi.org/10.1007/BF00653239

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  • DOI: https://doi.org/10.1007/BF00653239

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