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Epsilon Eridani's Planetary Debris Disk: Structure and Dynamics based on Spitzer and CSO Observations
D. Backman, M. Marengo, K. Stapelfeldt +9
Spitzer and Caltech Submillimeter Observatory (CSO) images and spectrophotometry of epsilon Eridani at wavelengths from 3.5 to 350 um reveal new details of its bright debris disk.…
Determining Star Formation Rates for Infrared Galaxies
G. H. Rieke, A. Alonso-Herrero, B. J. Weiner +5
We show that measures of star formation rates (SFRs) for infrared galaxies using either single-band 24 um or extinction-corrected Paschen-alpha luminosities are consistent in the t…
Absolute Physical Calibration in the Infrared
G. H. Rieke, M. Blaylock, L. Decin +11
We determine an absolute calibration for the MIPS 24 microns band and recommend adjustments to the published calibrations for 2MASS, IRAC, and IRAS photometry to put them on the sa…
Ubiquitous outflows in DEEP2 spectra of star-forming galaxies at z=1.4
Benjamin J. Weiner, Alison L. Coil, Jason X. Prochaska +10
Galactic winds are a prime suspect for the metal enrichment of the intergalactic medium and may have a strong influence on the chemical evolution of galaxies and the nature of QSO…
Far Infrared Prperties of M Dwarfs
Thomas. N. Gautier, G. H. Rieke, John Stansberry +9
We report the mid- and far-infrared properties of nearby M dwarfs. Spitzer/MIPS measurements were obtained for a sample of 62 stars at 24 um, with subsamples of 41 and 20 stars obs…
Steady-state evolution of debris disks around A stars
M. C. Wyatt, R. Smith, K. Y. L. Su +4
In this paper a simple analytical model for the steady-state evolution of debris disks due to collisions is confronted with Spitzer observations of main sequence A stars. All stars…
Evolution of the infrared luminosity density and star formation history up to z~1: preliminary results from MIPS
E. Le Floc'h, C. Papovich, H. Dole +6
Using deep observations of the Chandra Deep Field South obtained with MIPS at 24mic, we present our preliminary estimates on the evolution of the infrared (IR) luminosity density o…
Spatially Resolved Ultraviolet, H-alpha, Infrared, and Radio Star Formation in M81
K. D. Gordon, P. G. Perez-Gonzalez, K. A. Misselt +26
We present Multiband Imaging Photometer for Spitzer (MIPS) observations of M81 at 24, 70, and 160 micron. The grand design nature of M81 is clearly seen, showing two well resolved…
PAHs contribution to the infrared output energy of the Universe at z~2
G. Lagache, H. Dole, J. -L. Puget +10
We present an updated phenomenological galaxy evolution model to fit the Spitzer 24, 70 and 160 microns number counts as well as all the previous mid and far infrared observations.…
NGC1614: A Laboratory for Starburst Evolution
A. Alonso-Herrero, C. W. Engelbracht, M. J. Rieke +2
The modest extinction and reasonably face-on viewing geometry make the luminous IR galaxy NGC1614 an ideal laboratory for study of a powerful starburst. HST/NICMOS observations sho…
Low-Mass Star Formation and the Initial Mass Function in the Rho Ophiuchi Cloud Core
K. L. Luhman, G. H. Rieke
We have obtained moderate-resolution (R=800-1200) K-band spectra for ~100 stars within and surrounding the cloud core of rho Oph. We have measured spectral types and continuum veil…
The Nuclear Starburst in NGC 253
C. W. Engelbracht, M. J. Rieke, G. H. Rieke +2
We have obtained long-slit spectra of NGC 253 in the J, H, K, and N bands, broadband images in the J, H, and Ks bands, narrowband images centered at the wavelengths of BrGamma and…
Molecular Hydrogen and Paschen-alpha Emission in Cooling Flow Galaxies
Heino Falcke, M. J. Rieke, G. H. Rieke +2
We present near-infrared spectra obtained to search for Pa-alpha and molecular hydrogen lines in edge-darkened (FR I-type) radio galaxies with bright Halpha emission in the redshif…