An Investigation of Late Type Stars

Details An Investigation of Late Type Stars An Investigation of Late Type Stars

Dec 1965

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1965bott....4...57m&link_type=abstract

Boletín de los Observatorios de Tonantzintla y Tacubaya Vol. 4, pp. 57-63 (1965) (http://www.astroscu.unam.mx/bott/)

Astronomy and Astrophysics

Astronomy

4

Stars: Late-Type

Scientific paper

We have made U, B, V, R, I, J, K, L, M, and N photometric observations for a group of stars contained in The Bright Star Catalogue. We also have made spectroscopic observations, in the blue region, for most of the stars. We have used 128 Å/mm and 8.7 Å/mm dispersions. We have chosen this group of stars because of their large trigonometric parallax and late spectral type (K and M on the Mt. Wilson system). The combined spectroscopic and photometric data indicata that the stars under study are yellow and red giants. Perhaps the majority of them are lower border-line giants. Our data do not confirm the subgiant characteristics derived from the measured trigonometric parallaxes.

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