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Article
Spitzer Infrared Spectrograph Spectroscopy of the Prototypical Starburst Galaxy NGC 7714
The Astrophysical Journal (2004)
  • B. R. Brandl, Leiden University
  • D. Devost, Cornell University
  • Sarah J.U. Higdon
  • V. Charmandaris, Cornell University
  • D. Weedman, Cornell University
  • H. W. W. Spoon, Cornell University
  • T. L. Herter, Cornell University
  • L. Hao, Cornell University
  • J. Bernard-Salas, Cornell University
  • J. R. Houck, Cornell University
  • L. Armus, California Institute of Technology
  • B. T. Soifer, California Institute of Technology
  • C. J. Grillmair, California Institute of Technology
  • P. N. Appleton, California Institute of Technology
Abstract
We present observations of the starburst galaxy NGC 7714 with the Infrared Spectrograph on board the Spitzer Space Telescope. The spectra yield a wealth of ionic and molecular features that allow a detailed characterization of its properties. NGC 7714 has an H II region-like spectrum with strong polycyclic aromatic hydrocarbon emission features. We find no evidence for an obscured active galactic nucleus, and with [Ne ]/[Ne ] ≈ 0.73, NGC 7714 lies near the upper end of normal-metallicity starburst galaxies. With very little silicate absorption and a temperature of the hottest dust component of 340 K, NGC 7714 is the perfect template for a young, unobscured starburst.
Keywords
  • Galaxies,
  • Starburst,
  • Infrared
Publication Date
September, 2004
DOI
10.1086/422101
Publisher Statement
This version of the paper was obtained from arXIV.org. In order for the work to be deposited in arXIV.org, the author must have copyright or it must be available under the Creative Commons Attribution license,Creative Commons Attribution-Noncommercial-ShareAlike license, orCreate Commons Public Domain Declaration. The publisher's final edited version of this article will be available at The Astrophysical Journal.
Citation Information
B. R. Brandl, D. Devost, Sarah J.U. Higdon, V. Charmandaris, et al.. "Spitzer Infrared Spectrograph Spectroscopy of the Prototypical Starburst Galaxy NGC 7714" The Astrophysical Journal Vol. 154 Iss. 1 (2004) p. 188 - 192
Available at: http://works.bepress.com/sarah_higdon/27/