Note on a remarkable object close to the star LSS 3027

Details Note on a remarkable object close to the star LSS 3027 Note on a remarkable object close to the star LSS 3027

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.161...75s&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 161, no. 1, Nov. 1989, p. 75-84.

Astronomy and Astrophysics

Astrophysics

3

B Stars, Dark Matter, Herbig-Haro Objects, Pre-Main Sequence Stars, Stellar Spectrophotometry, A Stars, Color-Color Diagram, H Alpha Line, Infrared Spectra, Nebulae, Spectral Energy Distribution

Scientific paper

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 H-alpha 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. It can be shown that it is embedded in the dark cloud mentioned above. From its properties, it is believed that the remarkable object LSS 3027B is a typical Herbig Be pre-main-sequence object.

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