Mathematics – Logic
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21334903l&link_type=abstract
American Astronomical Society, AAS Meeting #213, #349.03; Bulletin of the American Astronomical Society, Vol. 41, p.485
Mathematics
Logic
Scientific paper
The Multi-wavelength Extreme Starburst Sample (MESS) is a new catalog of 148 star-forming galaxies (0.1 < z < 0.3) optically selected from SDSS using emission line strength diagnostics to have SFR ≥ 50M&sun; yr-1. The MESS was designed to complement other existing samples of starburst galaxies, such as the luminous infrared galaxies (LIRGS; Lir > 1011 L&sun;)and ULIRGs (> 1012 L&sun;), commonly selected from wide area infrared and submillimeter surveys. Observations using the multi-band imaging photometer (MIPS; 24, 70 and 160μ m channels) on the Spitzer Space Telescope have recently been completed, with results indicating the MESS galaxies have an estimated median Lfir ˜ 2.5*1011 L&sun;. These data combined with visible, near-IR, and radio observations are providing new insight into the LIRG and ULIRG phenomenon. Early imaging results in K-band indicate an intriguing number of disturbed morphologies not apparent from the SDSS. It is thought that dust obscuration plays an important role in a possible evolutionary process connecting LIRGS, ULIRGs, E+A galaxies, and for those objects containing AGN, QSOs. The selection criterion for the MESS suggests they may be less obscured than typical ULIRGs or LIRGs, making them possible candidates for a link between the latter and E+A galaxies. We will discuss this relationship between the MESS and samples selected through alternative criteria in terms of their spectroscopic, and visible through far-infrared morphological properties; and attempt to place them in this sequence.
Canalizo Gabriela
Croft Stephen
Laag Edward A.
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