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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



ID: 709970.0, MPI für Astronomie / Publikationen_mpia
An atlas of galaxy spectral energy distributions from the ultraviolet to the mid-infrared
Authors:Brown, M. J. I.; Moustakas, J.; Smith, J.-D.; da Cunha, E.; Jarrett, T. H.; Imanishi, M.; Armus, L.; Brandl, B. R.; Peek, J. E. G.
Date of Publication (YYYY-MM-DD):2014
Title of Journal:The Astrophysical Journal Supplement Series
Volume:212
Issue / Number:2
Start Page:id. 18 (23 pp)
Audience:Not Specified
Abstract / Description:We present an atlas of 129 spectral energy distributions for nearby galaxies, with wavelength coverage spanning from the ultraviolet to the mid-infrared. Our atlas spans a broad range of galaxy types, including ellipticals, spirals, merging galaxies, blue compact dwarfs, and luminous infrared galaxies. We have combined ground-based optical drift-scan spectrophotometry with infrared spectroscopy from Spitzer and Akari with gaps in spectral coverage being filled using Multi-wavelength Analysis of Galaxy Physical Properties spectral energy distribution models. The spectroscopy and models were normalized, constrained, and verified with matched-aperture photometry measured from Swift, Galaxy Evolution Explorer, Sloan Digital Sky Survey, Two Micron All Sky Survey, Spitzer, and Wide-field Infrared Space Explorer images. The availability of 26 photometric bands allowed us to identify and mitigate systematic errors present in the data. Comparison of our spectral energy distributions with other template libraries and the observed colors of galaxies indicates that we have smaller systematic errors than existing atlases, while spanning a broader range of galaxy types. Relative to the prior literature, our atlas will provide improved K-corrections, photometric redshifts, and star-formation rate calibrations.
Free Keywords:atlases; galaxies: general; galaxies: photometry; techniques: spectroscopic
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:ISSN:0067-0049 %R 10.1088/0067-0049/212/2/18
URL:http://cdsads.u-strasbg.fr/abs/2014ApJS..212...18B
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