Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21112301h&link_type=abstract
American Astronomical Society, AAS Meeting #211, #123.01; Bulletin of the American Astronomical Society, Vol. 39, p.952
Astronomy and Astrophysics
Astronomy
Scientific paper
The study of LIRGs and ULIRGs is important for understanding galaxy formation and evolution because they contribute the majority of the cosmic IR luminosity budget at high redshifts. Ultra-deep 70 micron imaging can detect LIRGs and ULIRGs out to redshifts of 1 to 2.
The latest results from the Far Infrared Deep Extragalactic Legacy (FIDEL) survey with the Spitzer Space Telescope is presented. This is the deepest survey ever made at 70 micron, with a peak sensitivity of 0.6 mJy rms, and it will cover roughly 6 times the area of the combined GOODS fields. We present 70 micron source counts, infrared colours and redshifts. The luminosity function for infrared galaxies is derived and we find there is strong luminosity evolution in LIRGS and ULIRGs between 0 < z < 1.
Frayer David
Huynh Minh T.
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