Activity in late-type stars. 9: The weakest chromosphere M dwarf yet discovered: GL 105B

Details Activity in late-type stars. 9: The weakest chromosphere M dwarf yet discovered: GL 105B Activity in late-type stars. 9: The weakest chromosphere M dwarf yet discovered: GL 105B

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...278..520b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 278, no. 2, p. 520-522

Astronomy and Astrophysics

Astrophysics

6

Chromosphere, Emission Spectra, H Alpha Line, K Lines, Magnesium, Radiative Heat Transfer, Red Dwarf Stars, Stellar Activity, Absorption Spectra, Astronomical Spectroscopy, Iue

Scientific paper

We present an estimate of chromospheric radiative losses from the dM(e)
star, Gl 105B, based on a measurement of the MgII h&k emission line
flux, which indicates that this star has the weakest chromospheric
heating rate yet found in any M dwarf and that it lies well below the
'basal' heating rate of derived by Schrijver (1987).

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