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Luminous infrared starbursts in a cluster of galaxies

Published online by Cambridge University Press:  06 October 2004

Pierre-Alain Duc ,
Dario Fadda ,
Bianca Poggianti ,
David Elbaz ,
Andrea Biviano ,
Hector Flores ,
Alan Moorwood ,
Alberto Franceschini  and
Catherine Cesarsky
Pierre-Alain Duc
Affiliation:
CEA–Saclay and CNRS FRE 2591, France, email: paduc@cea.fr
Dario Fadda
Affiliation:
Caltech, SIRTF Science Centre, Pasadena, USA
Bianca Poggianti
Affiliation:
Osservatorio Astronomico di Padova, Padova, Italy
David Elbaz
Affiliation:
CEA–Saclay and CNRS FRE 2591, France, email: paduc@cea.fr
Andrea Biviano
Affiliation:
INAF'Osservatorio Astronomico di Trieste, Trieste, Italy
Hector Flores
Affiliation:
Observatoire de Paris, GEPI, Meudon, France
Alan Moorwood
Affiliation:
European Southern Observatory, Garching, Germany
Alberto Franceschini
Affiliation:
Dipartimento di Astronomia, Padova, Italy
Catherine Cesarsky
Affiliation:
European Southern Observatory, Garching, Germany
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Abstract

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Analysing mid–infrared ISOCAM images of the cluster of galaxies J1888.16CL, we identified among its members several particularly active galaxies with total infrared luminosities well above $10^{11}~\Lo$. If powered by dust enshrouded starbursts, as suggested by their optical spectra, these Luminous Infrared Galaxies would exhibit star formation rates surprisingly high in the cluster environment. The triggering mechanism is unclear but could be tidal collisions within sub-structures or infalling groups.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUC195 , March 2004 , pp. 347 - 351
Copyright
© 2004 International Astronomical Union