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Gaseous Haloes: Linking Galaxies to the IGM

Published online by Cambridge University Press:  01 August 2006

Filippo Fraternali
Filippo Fraternali*
Affiliation:
Department of Astronomy, University of Bologna, Italy email: filippo.fraternali@bo.astro.it
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Abstract

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Recent observations show that spiral galaxies are surrounded by massive and extended haloes of both neutral and ionized gas. These gaseous haloes have peculiar kinematics with respect to their discs: they rotate more slowly and they show an overall inflow motion. Theoretical models of the formation of these gaseous haloes show that they cannot originate solely from a galactic fountain (supernova outflows from the disk); substantial accretion of material from the Intergalactic Medium should play an important role.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 297 - 299
Copyright
Copyright © International Astronomical Union 2007

References

Boomsma, R., Oosterloo, T., Fraternali, F., van der Hulst, J.M., & Sancisi, R., “Extra-planar Gas”, Dwingeloo, ASP Conf. Series, ed. R. Braun.Google Scholar
Bregman, J.N., 1980, ApJ, 236, 577.Google Scholar
Fraternali, F. & Binney, J.J., 2006, MNRAS, 366, 449.Google Scholar
Fraternali, F., van Moorsel, G., Sancisi, R., & Oosterloo, T. 2002, AJ, 123, 3124.Google Scholar
Fraternali, F., Oosterloo, T., Sancisi, R., & van Moorsel, G. 2001, ApJ, 562, L47.Google Scholar
Fraternali, F., Oosterloo, T., Sancisi, R., & Swaters, R.A. 2005, ASPC, 331, 239.Google Scholar
Heald, G.H., Rand, R.J., Benjamin, R.A., & Bershady, M.A. 2006, ApJ, 647, 1018.Google Scholar
Hoopes, C.G., Walterbos, R.A.M., & Rand, R. J. 1999, ApJ, 522, 669.Google Scholar
Matthews, L.D., & Wood, K., 2003, ApJ, 593, 721.Google Scholar
Oosterloo, T., Fraternali, F., & Sancisi, R. 2006, AJ, submitted.Google Scholar
Rossa, J., & Dettmar, R.-J. 2003, A&A, 406, 505.Google Scholar
Shapiro, P.R., & Field, G.B., 1976, ApJ, 205, 762.Google Scholar
Strickland, D.K., Heckman, T.M., Colbert, E.J.M., Hoopes, C.G., & Weaver, K.A. 2004, ApJS, 151, 193.Google Scholar
Swaters, R.A., Sancisi, R., & van der Hulst, J. M. 1997, ApJ, 491, 140.Google Scholar
Wakker, B.P, & van Woerden, H., 1997, ARA&A, 35, 217.Google Scholar
Westmeier, T., Braun, R., & Thilker, D. 2005, A&A, 436, 101.Google Scholar