High angular resolution radio and infrared view of optically dark supernovae in luminous infrared galaxies

Seppo Mattila, Erkki Kankare, Erik Kool, Cristina Romero-Cañizales, Stuart Ryder, Miguel Perez-Torres

    Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review


    In luminous and ultraluminous infrared galaxies (U/LIRGs), the infall of gas into the central regions strongly enhances the star formation rate (SFR), especially within the nuclear regions which have also large amounts of interstellar dust. Within these regions SFRs of several tens to hundreds of solar masses per year ought to give rise to core-collapse supernova (SN) rates up to 1-2 SNe every year per galaxy. However, the current SN surveys, almost exclusively being ground-based seeing-limited and working at optical wavelengths, have been blinded by the interstellar dust and contrast issues therein. Thus the properties and rates of SNe in the nuclear environments of the most prolific SN factories in the Universe have remained largely unexplored. Here, we present results from high angular resolution observations of nearby LIRGs at infrared and radio wavelengths much less affected by the effects of extinction and lack of resolution hampering the optical searches.

    Original languageEnglish
    Title of host publicationThe lives and death-throes of massive stars
    Subtitle of host publicationproceedings of the 329th symposium of the International Astronomical Union held in Auckland, New Zealand November 28-December 2, 2016
    EditorsJ. J. Eldridge, John C. Bray, Liam A. S. McClelland, Lin Xiao
    Place of PublicationCambridge
    PublisherCambridge University Press (CUP)
    Number of pages5
    ISBN (Print)9781107170063
    Publication statusPublished - 2017
    Event329th symposium of the International Astronomical Union - Auckland, New Zealand
    Duration: 28 Nov 20162 Dec 2016

    Publication series

    NameIAU symposium
    PublisherCambridge University Press
    ISSN (Print)1743-9213


    Conference329th symposium of the International Astronomical Union
    Country/TerritoryNew Zealand


    • dust extinction
    • galaxies: nuclei
    • galaxies: starburst
    • infrared: galaxies
    • instrumentation: Adaptive optics
    • instrumentation: high angular resolution
    • supernovae: general


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