Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...132..385t&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 132, no. 2, March 1984, p. 385-388.
Astronomy and Astrophysics
Astrophysics
19
Electrophotometry, Red Dwarf Stars, Stellar Color, Stellar Magnitude, Stellar Spectrophotometry, Astronomical Catalogs, Standard Deviation
Scientific paper
Photometric data of red dwarfs published by Cousins (1980) have been combined with those of us for the determination of relations between the colour indices V-R and V-I in the system of Cousins. Furthermore, employing spectral types from Gliese's (1969) catalogue, relations between K5 and later type dwarfs and the colour indices V - R and V - I were derived. After correcting for the Lutz-Kelker effect the absolute magnitudes of the program stars are used for the determination of the Mv vs. V - R and Mv vs. V - I relations. The dispersions of the absolute magnitude in these relations are both equal to ± 0m.4.
Alcaino Gonzalo
Steenman H. C.
Thé Pik-Sin
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