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Astron. Astrophys. 349, 406-410 (1999)

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ISO far-infrared observations of rich galaxy clusters *

I. Abell 2670

L. Hansen 1, H.E. Jorgensen 1, H.U. Norgaard-Nielsen 2, K. Pedersen 2, P. Goudfrooij **  3 and M.J.D. Linden-Vornle 1,2

1 Copenhagen University Observatory, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark
2 Danish Space Research Institute, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark
3 Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA

Received 7 June 1999 / Accepted 19 July 1999

Abstract

As part of an investigation of far-infrared emission from rich galaxy clusters the central part of Abell 2670 has been mapped with ISO at [FORMULA], [FORMULA], [FORMULA], and [FORMULA] using the PHT-C camera. Point sources detected in the field have infrared fluxes comparable to normal spirals at the cluster distance. Probable optical counterparts are cluster galaxies with various characteristics such as blue colour, H[FORMULA] emission, or double nuclei. One source is extended which could possibly be emission from intracluster dust in debris from spiral galaxies.

Key words: galaxies: clusters: individual: Abell 2670 – infrared: galaxies

* Based on observations with ISO, an ESA project with instruments founded by ESA member states (especially the PI countries: France, Germany, the Netherlands, and the United Kingdom) and with the participation of ISAS and NASA
** Affiliated to the Astrophysics Division, Space Science Department, European Space Agency

Send offprint requests to: L. Hansen

Correspondence to: leif@astro.ku.dk

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© European Southern Observatory (ESO) 1999

Online publication: September 2, 1999
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