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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/28342

Title: The dust emission SED of X-ray emitting regions in Stephan's Quintet
Authors: Natale, G.
Tuffs, Richard J.
Xu, C. K.
Popescu, Cristina C.
Fischera, J.
Lisenfeld, Ute
Lu, N.
Appleton, P. N.
Dopita, M.
Duc, P.-A.
Gao, Y.
Reach, W.
Sulentic, J.
Yun, M. S.
Issue Date: 2012
Abstract: We analysed the Spitzer maps of Stephan's Quintet in order to investigate the nature of the dust emission associated with the X-ray emitting regions of the large scale intergalactic shock and of the group halo. This emission can in principle be powered by dust-gas particle collisions, thus providing efficient cooling of the hot gas. However the results of our analysis suggest that the dust emission from those regions is mostly powered by photons. Nonetheless dust collisional heating could be important in determining the cooling of the IGM gas and the large scale star formation morphology observed in SQ.
Publisher: International Astronomical Union
Description: Conference proceedings IAU Symposium 284 "The Spectral energy distribution of galaxies", 5-9 September 2011, Preston, UK.
Keywords: Galaxies
Interactions
Intergalactic medium
Infrared
HCG92
URI: http://hdl.handle.net/10481/28342
ISSN: 1743-9213
1743-9221
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Natale, G.; et al. The dust emission SED of X-ray emitting regions in Stephan's Quintet. Proceedings of the International Astronomical Union, 7(S284): 337-341 (2011). [http://hdl.handle.net/10481/28342]
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