The peculiar Be star HD 89249 - A spectrum composite with a K star

Details The peculiar Be star HD 89249 - A spectrum composite with a K star The peculiar Be star HD 89249 - A spectrum composite with a K star

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...177..105s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 177, no. 1-2, May 1987, p. 105-109.

Astronomy and Astrophysics

Astrophysics

5

B Stars, K Stars, Line Spectra, Peculiar Stars, Radial Velocity, Spectral Energy Distribution, Stellar Spectrophotometry, H Alpha Line, Infrared Photometry, Signal To Noise Ratios

Scientific paper

The authors have obtained broadband photometry (UBVRIJHKLM) and high-dispersion spectra of the peculiar Be star HD 89249 (=MWC 200). The red spectra show faint absorption lines of neutral metals (Fe I, Ni I, Ca I etc). which are typical for K stars. The energy distribution also indicates that a K star contributes to the observed flux in the red and infrared part of the spectrum. Thus the authors suggest that HD 89249 is a composite of a Be star and a K star. Around Hα, the K star is fainter than the Be star by about one mag.

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