Shedding light on baryonic dark matter

Details Shedding light on baryonic dark matter Shedding light on baryonic dark matter

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991sci...251..537s&link_type=abstract

Science (ISSN 0036-8075), vol. 251, Feb. 1, 1991, p. 537-541. Research supported by NASA and NSF.

Computer Science

18

Baryons, Dark Matter, Halos, Stellar Evolution, Binary Stars, Brown Dwarf Stars, Compton Effect, Degenerate Matter, Neutron Stars, Stellar Mass

Scientific paper

Halo dark matter, if it is baryonic, may plausibly consist of compact stellar remnants. Jeans mass clouds containing 10 to the 6th to 10 to the 8th solar masses could have efficiently formed stars in the early universe and could plausibly have generated, for a suitably top-heavy stellar initial mass function, a high abundance of neutron stars as well as a small admixture of long-lived low mass stars. Within the resulting clusters of dark remnants, which eventually are tidally disrupted when halos eventually form, captures of neutron stars by nondegenerate stars resulted in formation of close binaries. These evolve to produce, by the present epoch, an observable X-ray signal associated with dark matter aggregations in galaxy cluster cores.

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