Mid-IR properties of GOALS nearby LIRGs Virtual Observatory Resource

Authors

1. Stierwalt S.
2. Armus L.
3. Surace J.A.
4. Inami H.
5. Petric A.O.
6. Diaz-Santos T.,Haan S.
7. Charmandaris V.
8. Howell J.
9. Kim D.C.
10. Marshall J.,Mazzarella J.M.
11. Spoon H.W.W.
12. Veilleux S.
13. Evans A.
14. Sanders D.B.,Appleton P.
15. Bothun G.
16. Bridge C.R.
17. Chan B.
18. Frayer D.
19. Iwasawa K.,Kewley L.J.
20. Lord S.
21. Madore B.F.
22. Melbourne J.E.
23. Murphy E.J.
24. Rich J.A.,Schulz B.
25. Sturm E.
26. U V.
27. Vavilkin T.
28. Xu K.

Published by

CDS

Abstract

The Great Observatories All-Sky LIRG Survey (GOALS, Armus et al. 2009PASP..121..559A) is a comprehensive, multiwavelength study of luminous infrared galaxies (LIRGs) in the local universe. Here we present low resolution Spitzer Infrared Spectrograph spectra covering 5-38um and provide a basic analysis of the mid-IR spectral properties observed for nearby LIRGs. In a companion paper, we discuss detailed fits to the spectra and compare the LIRGs to other classes of galaxies. The GOALS sample of 244 nuclei in 180 luminous (10^11^<=L_IR_/L_{sun}_<10^12^) and 22 ultraluminous (L_IR_/L_{sun}_>=10^12^) IR galaxies represents a complete subset of the IRAS Revised Bright Galaxy Sample (Sanders, 2003, Cat. J/AJ/126/1607) and covers a range of merger stages, morphologies, and spectral types. The majority (>60%) of the GOALS LIRGs have high 6.2um polycyclic aromatic hydrocarbon (PAH) equivalent widths (EQW_6.2um_>0.4um) and low levels of silicate absorption (s_9.7um_>-1.0).

Keywords

1. galaxies
2. infrared-sources
3. line-intensities
4. infrared-astronomy
5. spectroscopy

Bibliographic source Bibcode

2013ApJS..206....1S

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https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/206/1

IVOA Identifier IVOID

ivo://CDS.VizieR/J/ApJS/206/1

Document Object Identifer DOI

doi:10.26093/cds/vizier.22060001

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