Flare activity and BY-Draconis-type variability on the late-type dMe star Gliese 867 B

Details Flare activity and BY-Draconis-type variability on the late-type dMe star Gliese 867 B Flare activity and BY-Draconis-type variability on the late-type dMe star Gliese 867 B

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...156..283d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 156, no. 1-2, Feb. 1986, p. 283-288.

Astronomy and Astrophysics

Astrophysics

17

Flare Stars, Late Stars, Red Dwarf Stars, Stellar Flares, Astronomical Photometry, Iue, Line Spectra, Stellar Luminosity, Stellar Magnitude, Ultraviolet Spectra

Scientific paper

We report on a search for flaring and BY Draconis type variability on the M-dwarf Balmer emission line star, Gliese 867 B. The time-averaged flare energy in the Johnson U-band is similar to that measured in 1977 and 1978. A typical wave4ike variation of 0.15 magnitudes, seemingly due to rotational modulation of large spotted areas, was observed in the V-band with a period 1.95 days.

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