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Massive star formation and dust in collisional ring galaxies: From GALEX to Spitzer

Appleton, P. N. and Gil de Paz, A. and Madore, B. and Reach, W. and Struck, C. and Brandl, B. and Jarrett, T. and Fadda, D. and Charmandaris, V. and Armus, L. and Smith, B. and Mazzarella, J. M. and Lord, S. and Laine, S. and Borne, K. (2008) Massive star formation and dust in collisional ring galaxies: From GALEX to Spitzer. In: The second annual Spitzer Science Center conference : infrared diagnostics of galaxy evolution : proceedings of a meeting held in Pasadena, California, USA, 14-16 November 2005. ASP Conference Series. Vol.381. Astronomical Society of the Pacific , pp. 128-131. ISBN 978-1-58381-325-6.

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We present some first results from a GALEX and Spitzer survey of a dozen collisional ring galaxies. The combination of UV and mid-IR imaging and spectroscopy will allow us to investigate the relationship between massive star formation sites, PAH molecular–band strengths, and dust heating in these mainly simultaneous starburst rings. A deep observation of the well-known Cartwheel ring galaxy has revealed a gigantic outer UV disk which extends to at least twice the radius of the outer blue star–forming ring. A lack of UV variability in the outer Cartwheel ring rules out an intermediate-mass black hole (IMBH) as the origin of the brightest of a dozen ULX source seen by Chandra in the ring.

Item Type:Book Section
Related URLs:
URLURL TypeDescription
Appleton, P. N.0000-0002-7607-8766
Gil de Paz, A.0000-0001-6150-2854
Madore, B.0000-0002-1576-1676
Reach, W.0000-0001-8362-4094
Struck, C.0000-0002-6490-2156
Jarrett, T.0000-0002-4939-734X
Fadda, D.0000-0002-3698-7076
Charmandaris, V.0000-0002-2688-1956
Armus, L.0000-0003-3498-2973
Mazzarella, J. M.0000-0002-8204-8619
Laine, S.0000-0003-1250-8314
Borne, K.0000-0001-5608-255X
Additional Information:© 2008 Astronomical Society of the Pacific.
Group:Infrared Processing and Analysis Center (IPAC)
Series Name:ASP Conference Series
Record Number:CaltechAUTHORS:20100622-130939825
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:18759
Deposited By: Tony Diaz
Deposited On:08 Jul 2010 22:17
Last Modified:09 Mar 2020 13:18

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