The possible long-period eclipsing binary BM ERI

Details The possible long-period eclipsing binary BM ERI The possible long-period eclipsing binary BM ERI

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...125..391a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 125, no. 2, Sept. 1983, p. 391-393.

Astronomy and Astrophysics

Astrophysics

1

Eclipsing Binary Stars, Giant Stars, M Stars, Stellar Magnitude, Stellar Spectra, Radial Velocity, Stellar Luminosity, Stellar Motions

Scientific paper

BM Eri, an M giant which had a drop in brightness of about 0.8 in photographic magnitude in 1944 and is suspected to be a long period eclipsing binary, has been observed for radial velocity (-1.4 km s-1) and spectral type and luminosity (M6 III, MV = -2.5). The absolute magnitude is determined from the Wilson-Bappu effect. No secondary spectrum is observed. The star cannot be confirmed to be an eclipsing binary, but possible periods are discussed.

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