Helium peculiar stars in the red spectral region

Details Helium peculiar stars in the red spectral region Helium peculiar stars in the red spectral region

Sep 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...337..512a&link_type=abstract

Astronomy and Astrophysics, v.337, p.512-516 (1998)

Astronomy and Astrophysics

Astrophysics

1

Stars: Chemically Peculiar, Stars: Early-Type

Scientific paper

Based upon 33 A/mm dispersion spectroscopic material we examine if equivalent widths of H and He lines can be used for the detection of new helium-peculiar stars. The answer is affirmative and we present some new candidates discovered this way. We have also investigated if the use of different helium lines than those of the (3) D series (4026, 4471) modifies the assignments of helium peculiar stars. This is not the case, since the use of lambda 6678 ((1) D) and lambda 7065 (3S) gives the same results. Based on observations obtained at the Haute Provence Observatory (CNRS)

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