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299 papers · 1 filter
The Seventh Data Release of the Sloan Digital Sky Survey
K. Abazajian
This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDS…
The Spitzer Infrared Nearby Galaxies Survey: A High-Resolution Spectroscopy Anthology
D. A. Dale, J. D. T. Smith, E. A. Schlawin +18
High resolution mid-infrared spectra are presented for 155 nuclear and extranuclear regions from the Spitzer Infrared Nearby Galaxies Survey (SINGS). The fluxes for nine atomic for…
CMBPol Mission Concept Study: Foreground Science Knowledge and Prospects
A. A. Fraisse, J. -A. C. Brown, G. Dobler +10
We report on our knowledge of Galactic foregrounds, as well as on how a CMB satellite mission aiming at detecting a primordial B-mode signal (CMBPol) will contribute to improving i…
The Origin of the 24-micron Excess in Red Galaxies
Kate Brand, John Moustakas, Lee Armus +11
Observations with the Spitzer Space Telescope have revealed a population of red-sequence galaxies with a significant excess in their 24-micron emission compared to what is expected…
Stationary Configurations Imply Shift Symmetry: No Bondi Accretion for Quintessence / k-Essence
Ratindranath Akhoury, Christopher S. Gauthier, Alexander Vikman
In this paper we show that, for general scalar fields, stationary configurations are possible for shift symmetric theories only. This symmetry with respect to constant translations…
The Case for a 700+ GeV WIMP: Cosmic Ray Spectra from PAMELA, Fermi and ATIC
Ilias Cholis, Gregory Dobler, Douglas P. Finkbeiner +2
Multiple lines of evidence indicate an anomalous injection of high-energy e+- in the Galactic halo. The recent fraction spectrum from the Payload for Antimatter Matter Explor…