Searching for the Most Distant Massive Galaxies

Details Searching for the Most Distant Massive Galaxies Searching for the Most Distant Massive Galaxies

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..380..351m&link_type=abstract

At the Edge of the Universe: Latest Results from the Deepest Astronomical Surveys ASP Conference Series, Vol. 380, proceedings o

Astronomy and Astrophysics

Astronomy

Scientific paper

The existence of massive galaxies (e.g. M > 1011 M&sun;) at high redshift (z>3-4) is strongly debated. We present the first results of a study aimed at searching for massive, red, non-dusty galaxies at high-redshift (i.e. z>3) in the GOODS-N field (Great Observatories Origins Deep Survey North) by means of deep optical, near-infrared and mid-infrared imaging, with a sample selected at 4.5 μm IRAC band (m4.5<23, AB system). For each galaxy we performed SED fitting analysis to estimate the photometric redshifts and the main physical and evolutionary properties. We found some promising candidates at redshift z>3, and we present here a few examples of their best-fit SEDs.

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