Very low mass stars, black dwarfs and planets

Details Very low mass stars, black dwarfs and planets Very low mass stars, black dwarfs and planets

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.212...57k&link_type=abstract

Astrophysics and Space Science, vol. 212, nos. 1-2, p. 57-60

Astronomy and Astrophysics

Astrophysics

5

Brown Dwarf Stars, Dark Matter, Jupiter (Planet), Planetary Evolution, Stellar Evolution, Stellar Mass, Degenerate Matter, Solar System Evolution

Scientific paper

Hydrogen-rich stars of very low mass (M approximately equal or less than 0.08 solar mass) never go through hydrogen-burning thermonuclear reactions and, in a time scale much shorter than the age of the Galaxy, become completely degenerate objects or black dwarfs. The number of the very-low-mass (VLM) black dwarfs is expected to be very large and they are likely to make a significant contribution to the total mass of the Galaxy. Processes of star and planet formation are discussed and it is concluded that the luminous and dark objects of mass 0.001 solar mass-0.08 solar mass beyond the solar system are not likely to be planets. Formation of Jupiter is discussed and it is suggested that the mass of Jupiter at the time of formation was smaller than its present mass.

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