Supermassive Dark Stars: Detectable in JWST and HST

Details Supermassive Dark Stars: Detectable in JWST and HST Supermassive Dark Stars: Detectable in JWST and HST

2010-06-27

arxiv.org/abs/1006.5246v1

AIP Conf.Proc.1294:45-51,2010

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

7 pages, 2 figures. Conference Proceedings from First Stars and Galaxies Conference, Austin TX (2010)

Scientific paper

10.1063/1.3518889

The first stars to form in the history of the universe may have been powered by dark matter annihilation rather than by fusion. This new phase of stellar evolution may have lasted millions to billions of years. These dark stars can grow to be very large, > 10^5 solar masses, and are relatively cool (~10^4 K). They are also very bright, being potentially detectable in the upcoming James Webb Space Telescope or even the Hubble Space Telescope. Once the dark matter runs out, the dark stars have a short fusion phase, before collapsing into black holes (BH). The resulting BH could serve as seeds for the (unexplained) supermassive black holes at high redshift and at the centers of galaxies.

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