Hα Emission Stars in the Case-Hamburg Luminous Stars Surveys

Details Hα Emission Stars in the Case-Hamburg Luminous Stars Surveys Hα Emission Stars in the Case-Hamburg Luminous Stars Surveys

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pasp..110.1423r&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 110, Issue 754, pp. 1423-1427.

Astronomy and Astrophysics

Astronomy

1

Stars: Early-Type, Stars: Emission-Line, Be

Scientific paper

MK spectral classifications of over 2500 Case-Hamburg luminous stars are examined to determine whether those for which Hα was reported in emission in the original surveys (but for which blue-region emission was not noted) are more likely to have MK classifications indicating blue-region emission than their non-Hα counterparts; this proves to be the case. In addition, stars with Hα emission are less likely to be supergiants than their non-Hα counterparts, and, when emission is indicated in the MK classification, one is much more likely to be dealing with a luminosity class V or III star than a bright giant or supergiant.

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