485 research outputs found
The SWIRE SIRTF Legacy Program: Studying the Evolutionary Mass Function and Clustering of Galaxies
The SIRTF Wide-area Infrared Extragalactic (SWIRE) survey is a "Legacy
Program" using 851 hours of SIRTF observing time to conduct a set of large-area
(67 sq. deg. split into 7 fields) high Galactic latitude imaging surveys,
achieving 5-sigma sensitivities of 0.45/2.75/17.5 mJy at 24/70/160 micron with
MIPS and of 7.3/9.7/27.5/32.5 microJy at 3.6/4.5/5.8/8.0 micron with IRAC.
These data will yield highly uniform source catalogs and high-resolution
calibrated images, providing an unprecedented view of the universe on co-moving
scales up to several hundreds Mpc and to substantial cosmological depths
(z\simeq 2.5 for luminous sources). SWIRE will, for the first time, study
evolved stellar systems (from IRAC data) versus active star-forming systems and
AGNs (from MIPS data) in the same volume, generating catalogues with of order
of 2 million infrared-selected galaxies. These fields will have extensive data
at other wavebands, particularly in the optical, near-IR and X-rays. SWIRE will
provide a complement to smaller and deeper observations in the SIRTF Guaranteed
Time and the Legacy Program GOODS, by allowing the investigation of the effect
of environment on galaxy evolution. We expand here on capabilities of SWIRE to
study with IRAC the evolution of the bright end of the galaxy mass function as
a function of cosmic time.Comment: 6 pages, Latex, special macros. To appear in the Proceedings of the
ESO Workshop "The Mass of Galaxies at Low and High Redshift", R. Bender and
A. Renzini Eds., Springer-Verlag Series "ESO Astrophysics Symposia
Proportionality for High-Tech Searches
Review of "Privacy at Risk: The new Government Surveillance and the Fourth Amendment" by Christopher Slobogi
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