The Effects of Accretion Luminosity on the Environment of the First Stars

Details The Effects of Accretion Luminosity on the Environment of the First Stars The Effects of Accretion Luminosity on the Environment of the First Stars

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1294..285s&link_type=abstract

THE FIRST STARS AND GALAXIES: CHALLENGES FOR THE NEXT DECADE. AIP Conference Proceedings, Volume 1294, pp. 285-286 (2010).

Physics

Accretion, Brightness, Population Iii Stars, Protostars, Infall, Accretion, And Accretion Disks, Statistical And Correlative Studies Of Properties, Population Iii Stars, Pre-Main Sequence Objects, Young Stellar Objects And Protostars

Scientific paper

We present initial results from the first three-dimensional simulation of Population III (Pop III) star formation to include accretion luminosity from the central protostar, which is a significant heat source for the inner regions of the accretion disk. To test whether it can suppress fragmentation of the disk, we include a heating term in a simulation of a Pop III protostellar disk that was previously shown to be unstable in the absence of feedback. We find that while accretion luminosity alters the radial position of the fragmentation, it does not prevent it.

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