Improving Type Ia supernova characterization through multiwavelength studies of Type Ia supernova host galaxies

Brad Tucker, Brian Schmidt, Peter Garvanich

    Research output: Contribution to journalMeeting Abstractpeer-review

    Abstract

    Past investigations have shown a connection between the properties of Type Ia supernovae (SNe Ia) and their host galaxies. We refine these studies using ultraviolet through mid-infrared observations of both nearby and distant SN Ia hosts. We present new results showing that the properties of SNe Ia, both intrinsic and with respect to their use as distance indicators, appear to depend on a combination of metallicity, stellar age, and star-formation rate of the host. We suggest that the stellar population age and location of the supernova progenitor all can play a roll in using SNe Ia as precision distance indicators, and advocate that a multiwavelength approach is one way to disentangle the different influences, resulting in an improvement of 8% in distance measurements.
    Original languageEnglish
    Pages (from-to)328pp
    JournalAdvancing the Physics of Cosmic Distances
    DOIs
    Publication statusPublished - 2013
    EventAdvancing the Physics of Cosmic Distances - Beijing, China, China
    Duration: 1 Jan 2013 → …
    http://journals.cambridge.org/action/displayIssue?jid=IAU&volumeId=8&seriesId=0&issueId=S289

    Fingerprint

    Dive into the research topics of 'Improving Type Ia supernova characterization through multiwavelength studies of Type Ia supernova host galaxies'. Together they form a unique fingerprint.

    Cite this