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Author(s): Dale, DA; Aniano, G; Engelbracht, CW; Hinz, JL; Krause, O; et al

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Abstract: New far-infrared and submillimeter photometry from the Herschel Space Observatory is presented for 61 nearby galaxies from the Key Insights on Nearby Galaxies: A Far-Infrared Survey with Herschel (KINGFISH) sample. The spatially integrated fluxes are largely consistent with expectations based on Spitzer far-infrared photometry and extrapolations to longer wavelengths using popular dust emission models. Dwarf irregular galaxies are notable exceptions, as already noted by other authors, as their 500 mu m emission shows evidence for a submillimeter excess. In addition, the fraction of dust heating attributed to intense radiation fields associated with photodissociation regions is found to be (21 +/- 4)% larger when Herschel data are included in the analysis. Dust masses obtained from the dust emission models of Draine & Li are found to be on average nearly a factor of two higher than those based on single-temperature modified blackbodies, as single blackbody curves do not capture the full range of dust temperatures inherent to any galaxy. The discrepancy is largest for galaxies exhibiting the coolest far-infrared colors.
Publication Date: 20-Jan-2012
Electronic Publication Date: 4-Jan-2012
Citation: Dale, DA, Aniano, G, Engelbracht, CW, Hinz, JL, Krause, O, Montiel, EJ, Roussel, H, Appleton, PN, Armus, L, Beirao, P, Bolatto, AD, Brandl, BR, Calzetti, D, Crocker, AF, Croxall, KV, Draine, BT, Galametz, M, Gordon, KD, Groves, BA, Hao, C-N, Helou, G, Hunt, LK, Johnson, BD, Kennicutt, RC, Koda, J, Leroy, AK, Li, Y, Meidt, SE, Miller, AE, Murphy, EJ, Rahman, N, Rix, H-W, Sandstrom, KM, Sauvage, M, Schinnerer, E, Skibba, RA, Smith, J-DT, Tabatabaei, FS, Walter, F, Wilson, CD, Wolfire, MG, Zibetti, S. (2012). HERSCHEL FAR-INFRARED AND SUBMILLIMETER PHOTOMETRY FOR THE KINGFISH SAMPLE OF NEARBY GALAXIES. ASTROPHYSICAL JOURNAL, 745 (10.1088/0004-637X/745/1/95
DOI: doi:10.1088/0004-637X/745/1/95
ISSN: 0004-637X
EISSN: 1538-4357
Type of Material: Journal Article
Journal/Proceeding Title: ASTROPHYSICAL JOURNAL
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.
Notes: Supplementary data may be available at , , and

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