The HR Diagram of G5-M3 Stars near the Giant Branch

Details The HR Diagram of G5-M3 Stars near the Giant Branch The HR Diagram of G5-M3 Stars near the Giant Branch

Aug 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997esasp.402..335e&link_type=abstract

Proceedings of the ESA Symposium `Hipparcos - Venice '97', 13-16 May, Venice, Italy, ESA SP-402 (July 1997), p. 335-338

Physics

4

Scientific paper

The absolute magnitude calibration of stars on the red giant branch (types G, K, and M) analysed in an earlier work by the same authors (Egret et al., 1982) is now revisited with the trigonometric parallaxes and proper motions measured by Hipparcos. The same sample of stars, carefully classified in the MK system, is studied, and absolute magnitudes are derived for those stars for which trigonometric parallaxes have been obtained by Hipparcos with an accuracy better than 15 per cent.

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