z~4 Halpha Emitters in GOODS : Tracing the Dominant Mode for Growth of Galaxies

Details z~4 Halpha Emitters in GOODS : Tracing the Dominant Mode for Growth of Galaxies z~4 Halpha Emitters in GOODS : Tracing the Dominant Mode for Growth of Galaxies

2011-03-21

arxiv.org/abs/1103.4124v2

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Accepted for publication in ApJ

Scientific paper

We present evidence for unusually strong Halpha emission in galaxies with spectroscopic redshifts in the range of 3.810^11 Msun) galaxies. This 'strong Halpha phase' of star formation plays a dominant role in early galaxy growth, being a feasible progenitors of massive red galaxies at lower redshifts.

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