Abstract
view Abstract Citations (26) References (9) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The Distribution of the BD M-Type Stars Along the Galactic Equator. Neckel, Heinz Abstract A catalogue is presented containing all BD stars with spectral type M2 or later in a zone 12' wide along the galactic equator While the stars of type MS or later show a rather uniform distribution with galactic longitude, a maximum at t 30' and a minimum at 1 120' is present in the distribution of the stars of type M2-M4, this distribution being similar to that of the Mira-type variables This indicates a concentration of these stars within the local spiral arm. The space density within 430 pc is found to be about 6 X 10-6 pc-3 for the group M2-M4 and about 0 5 X pc-3 for the group MS or later. The average ratio of early to late M's within 1000 pc is 7. Publication: The Astrophysical Journal Pub Date: November 1958 DOI: 10.1086/146568 Bibcode: 1958ApJ...128..510N full text sources ADS | data products SIMBAD (1393) Author (1)
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