Absolute magnitudes of carbon stars from HIPPARCOS parallaxes

Details Absolute magnitudes of carbon stars from HIPPARCOS parallaxes Absolute magnitudes of carbon stars from HIPPARCOS parallaxes

Oct 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...338..209a&link_type=abstract

Astronomy and Astrophysics, v.338, p.209-216 (1998)

Astronomy and Astrophysics

Astrophysics

20

Stars: Carbon, Stars: Fundamental Parameters

Scientific paper

Hipparcos trigonometric parallaxes and photometric data for about 40 bright carbon stars have been analysed. Individual absolute visual and bolometric magnitudes, normal color indices (B-V)_0, absorption values and distance moduli were determined. By comparison with stellar evolutionary tracks for initial mass 1<= M/M_&sun;<=4 it is found that the majority of CH- and R-stars are on the giant and subgiant branches, but N-stars occupy a region -4

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