LHS 292 and the luminosity function of the nearby M dwarfs

Details LHS 292 and the luminosity function of the nearby M dwarfs LHS 292 and the luminosity function of the nearby M dwarfs

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986aj.....91..621d&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 91, March 1986, p. 621-625.

Astronomy and Astrophysics

Astronomy

51

Astrometry, Dwarf Stars, M Stars, Stellar Luminosity, Astronomical Catalogs, Data Sampling, Digital Data, Stellar Spectrophotometry, Visible Spectrum

Scientific paper

Preliminary astrometry, broadband BVI photometry, and low-resolution (10 Å) spectrophotometry covering λλ4800 - 7800 Å are presented that demonstrate that LHS 292 is the lowest-luminosity M dwarf known within 5.2 pc of the Sun. The results show πabs = 0arcsec.217±0arcsec.005 (m.e.), V = 15.60±0.01 (m.e.), MV = 17.28±0.05 (m.e.), and the spectral type is M6.5-7 V. Since the spectrum shows strong emission lines and the star has a relatively low space motion, it should be considered a flare star candidate.

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