Spectroscopic studies of flare stars - BD + 48 deg 1958A

Details Spectroscopic studies of flare stars - BD + 48 deg 1958A Spectroscopic studies of flare stars - BD + 48 deg 1958A

Dec 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974pasp...86..978b&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 86, Dec. 1974, p. 978-980.

Astronomy and Astrophysics

Astronomy

6

Binary Stars, Dwarf Stars, H Alpha Line, M Stars, Stellar Spectrophotometry, Variable Stars, Balmer Series, Companion Stars, Flares, Radial Velocity

Scientific paper

BD + 48 deg 1958A, a dM0e star that has exhibited H-alpha variability on a time scale of hours, is shown to be a single-line spectroscopic binary of short period (1.03 days). A secondary component of H-alpha visible on only one plate, is attributed to the normally unseen, flaring secondary component. The system is predicted to show photometrically detectable flares, and V-band variations similar to those seen in BY Dra and CC Eri.

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