High Redshift Starburst Galaxies in the Hubble Deep and Flanking Fields

T.W.B. Muxlow, A.M.S. Richards, P.N. Wilkinson, S.T. Garrington, K.I. Kellermann, E.B. Fomalont, E.A. Richards

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

    Abstract

    Eighteen days of MERLIN data and 42 hours of A-array VLA data at 1.4 GHz have been combined to image a 10-arcmin field centred on the Hubble Deep Field (HDF). This area also includes the Hubble Flanking Fields (HFF). A complete sample of 92 radio sources with S1.4GHz>40μJy was detected using the VLA data alone and then imaged with the MERLIN+VLA combination. The combined images offer: i) higher angular resolution (synthesised beams of diameter 0.2-0.5 arcsec) ii) improved astrometric accuracy and iii) improved sensitivity compared with VLA-only data. The images are amongst the most sensitive yet made at 1.4 GHz, with rms noise levels of 3.3μJy/beam in the 0.2-arcsec images. Virtually all the sources are resolved, with angular sizes in the range 0.2 to 3 arcsec. Radio sources associated with compact galaxies have been used to align the HDF, the HFF and a larger CFHT optical field, to the radio-based International Celestial Reference Frame. The HST optical fields have been registered to 70% of the sources are starburst-type systems associated with major disc galaxies in the redshift range 0.3 - 1.3.
    Original languageEnglish
    Title of host publicationAIP Conference Proceedings
    EditorsSusanne Hüttmeister
    Pages408-414
    Number of pages7
    Volume783
    DOIs
    Publication statusPublished - 4 Aug 2005
    EventTHE EVOLUTION OF STARBURSTS: 331st Wilhelm and Else Heraeus Seminar - Bad Honnef
    Duration: 4 Aug 2005 → …

    Conference

    ConferenceTHE EVOLUTION OF STARBURSTS: 331st Wilhelm and Else Heraeus Seminar
    CityBad Honnef
    Period4/08/05 → …

    Keywords

    • galaxies
    • red shift
    • optical images
    • astrometry
    • radiosources (astronomical)

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