The formation of a 1.5-solar mass carbon star with Mbol = -4.4

Details The formation of a 1.5-solar mass carbon star with Mbol = -4.4 The formation of a 1.5-solar mass carbon star with Mbol = -4.4

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...313l..15l&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 313, Feb. 1, 1987, p. L15-L18.

Astronomy and Astrophysics

Astrophysics

53

Carbon Stars, Star Formation, Stellar Evolution, Stellar Magnitude, Stellar Models, Late Stars, Stellar Composition, Stellar Mass

Scientific paper

A summary of calculations of the thermally pulsing evolution of 1.5-solar mass stellar models with Z = 0.003 and 0.006 is presented. It is found that carbon dredge-up is a common occurrence, and can occur for core masses as low as 0.65 solar masses. One of the models becomes a carbon star with a core mass of only 0.65 solar masses and a luminosity of only M(bol) = -4.4. The particular pulse which produced C greater than O had lambda = Delta-M(dredge)/Delta-M(H) = 0.38.

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