Spectroscopic Survey of Nearby M Dwarfs

Details Spectroscopic Survey of Nearby M Dwarfs Spectroscopic Survey of Nearby M Dwarfs

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.2205g&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #22.05; Bulletin of the American Astronomical Society, Vol. 26, p.1347

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Scientific paper

The preliminary version of the Third Catalog of Nearby Stars lists 1736 M-dwarfs within 25 parsecs and another 470 stars of color class 'k-m' or M_v > 8. We have obtained obtained ~ 2 Angstroms resolution spectra of those stars north of declination -30(deg) using the Palomar 60 '' and 200 '' telescopes over the wavelength range lambda lambda 6180-7550. Stars are classified on the basis of the TiO and CaH bands. H alpha emission stars are identified (EW > 1 Angstroms). We have defined volume complete samples on the basis of our distance estimates. Radial velocities (sigma ~ 15 km s(-1) ) and the catalog proper motions provide the full space velocity for the sample.

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