To be published in the Astronomical Journal, August 2003.
For a Postscript version of the article, click
here.
Abstract. IRAS flux densities, redshifts, and infrared
luminosities are reported for all
sources identified in the IRAS Revised Bright Galaxy Sample (RBGS), a
complete
flux-limited survey of all extragalactic objects with total 60µm
flux density greater than 5.24 Jy, covering the entire sky surveyed
by IRAS at Galactic latitude |b| > 5°. The RBGS
includes
629 objects, with a median (mean) sample redshift of 0.0082 (0.0126) and a
maximum redshift of 0.0876. The RBGS supersedes the previous two-part
IRAS Bright Galaxy Samples (hereafter BGS1 +
BGS2), which were compiled before the final
("Pass 3") calibration of the IRAS Level1 Archive in May 1990.
The RBGS also makes use of more accurate and consistent automated methods
to measure the flux of objects with extended emission. The RBGS contains
39 objects which were not present in the BGS1 +
BGS2, and 28 objects from the BGS1 +
BGS2 have been dropped from RBGS because their revised 60
µm flux densities
are not greater than 5.24 Jy. Comparison of revised flux measurements
for sources in both surveys shows that most flux differences are in the
range ~ 5 - 25%, although some faint sources at 12 µm - 25
µm differ by as much as a factor of 2. Basic properties of
the RBGS sources
are summarized, including estimated total infrared luminosities, as well as
updates to cross-identifications with sources from optical galaxy catalogs
established using the NASA/IPAC Extragalactic Database (NED). In addition,
an atlas of images from the Digitized Sky Survey with overlays of the
IRAS position uncertainty ellipse and annotated scale bars is
provided for ease in visualizing the optical morphology in context with
the angular and metric size
of each object. The revised bolometric infrared luminosity function,
(Lir), for infrared bright galaxies in
the local Universe remains best
fit by a double power law,
(L)
L
,
with
= -0.6
(± 0.1), and
= -2.2
(± 0.1) below and above the "characteristic" luminosity
Lir* ~ 1010.5
L
,
respectively. A companion paper provides IRAS High
Resolution (HIRES) processing of over 100 RBGS sources where improved
spatial resolution often provides better IRAS source
positions or allows for deconvolution of close galaxy pairs.
Key words: galaxies:general - infrared:general - infrared:sources
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