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The Astrophysical Journal· 2013Q1

THE AVERAGE STAR FORMATION HISTORIES OF GALAXIES IN DARK MATTER HALOS FROM<i>z</i>= 0-8

Peter Behroozi, Risa H. Wechsler, Charlie Conroy

Short summary

New fitting formulae accurately describe galaxy star formation histories, showing halos near 10^12 Msun are most efficient star-formers across cosmic time, and massive halo baryon conversion efficiency drops after z~2.5.

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Field: Astronomy and Astrophysics

Astronomy and AstrophysicsPhysics and Astronomy