The European large area ISO survey - III. 90-mu m extragalactic source counts

A. Efstathiou, S. Oliver, M. Rowan-Robinson, C. Surace, T. Sumner, P. Heraudeau, M.J.D. Linden-Vørnel, D. Rigopoulou, S. Serjeant, R.G. Mann, C.J. Cesarsky, L. Danese, A. Franceschini, R. Genzel, A. Lawrence, D. Lemke, R.G. McMahon, G. Miley, J.L. Puget, B. Rocca-Volmerange

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    We present results and source counts at 90 mum extracted from the preliminary analysis of the European Large Area ISO Survey (ELAIS). The survey covered about 12 deg(2) of the sky in four main areas and was carried out with the ISOPHOT instrument onboard the Infrared Space Observatory (ISO). The survey is at least an order of magnitude deeper than the IRAS 100-mum survey and is expected to provide constraints on the formation and evolution of galaxies. The majority of the detected sources are associated with galaxies on optical images. In some cases the optical associations are interacting pairs or small groups of galaxies, suggesting that the sample may include a significant fraction of luminous infrared galaxies. The source counts extracted from a reliable subset of the detected sources are in agreement with strongly evolving models of the starburst galaxy population.
    Original languageEnglish
    JournalMonthly Notices of the Royal Astronomical Society
    Volume319
    Issue number4
    Pages (from-to)1169-1177
    ISSN0035-8711
    Publication statusPublished - 2000

    Keywords

    • galaxies : formation
    • galaxies : starburst
    • infrared : galaxies
    • surveys
    • galaxies : Seyfert
    • galaxies : evolution

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