The 24 micron Luminosity Function of spectroscopic SWIRE sources from the Lockman validation field

Details The 24 micron Luminosity Function of spectroscopic SWIRE sources from the Lockman validation field The 24 micron Luminosity Function of spectroscopic SWIRE sources from the Lockman validation field

2005-03-21

arxiv.org/abs/astro-ph/0503444v1

Astronomy and Astrophysics

Astrophysics

2 pages, 3 figures, Spitzer New Views Conference

Scientific paper

A spectroscopic follow-up of SWIRE sources from the Lockman Validation Field has allowed the determination of the SWIRE 24 micron Luminosity Function (LF). The spectroscopic sample was chosen above a 24 micron flux limit at 260 microJy and an r-band optical limit of r<21. A spectroscopic completeness of 82.5% was achieved. We found the median redshift for the sample to be z_med=0.29. Markov-Chain Monte-Carlo (MCMC) and Maximum Likelihood Estimator (MLE) techniques were employed to fit a parametric LF. Our result of the local LF (LLF) is consistent with the local 25 micron determination from Shupe et al. 1998. We split the sample at a redshift of z_split=0.36 and find strong evidence for galaxy evolution.

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