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    GRB 110715A: Multiwavelength study of the first gamma-ray burst observed with ALMA

    Access Status
    Fulltext not available
    Authors
    Sanchez-Ramirez, R.
    Hancock, Paul
    Murphy, T.
    de Ugarte Postigo, A.
    Gorosabel, J.
    Kann, D.
    Thöne, C.
    Lundgren, A.
    Kamble, A.
    Oates, S.
    Fynbo, J.
    de Gregorio Monsalvo, I.
    Garcia-Appadoo, D.
    Martin, S.
    Kuin, N.
    Greiner, J.
    Castro-Tirado, A.
    Date
    2013
    Type
    Conference Paper
    
    Metadata
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    Citation
    Sanchez-Ramirez, R. and Hancock, P. and Murphy, T. and de Ugarte Postigo, A. and Gorosabel, J. and Kann, D. and Thöne, C. et al. 2013. GRB 110715A: Multiwavelength study of the first gamma-ray burst observed with ALMA, in Castro-Tirado , A.J. and Gorosabel, J. and Park, I.H. (ed), 2012 Gamma-Ray Burst Symposium, Oct 8-12 2012, pp. 267-269. Malaga, Spain: European Astronomical Society.
    Source Title
    Gamma-ray Bursts: 15 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe
    Source Conference
    2012 Gamma-Ray Burst Symposium
    DOI
    10.1051/eas/1361042
    ISSN
    1633-4760
    URI
    http://hdl.handle.net/20.500.11937/14602
    Collection
    • Curtin Research Publications
    Abstract

    GRB 110715A had a bright afterglow that was obscured inthe optical by a high Galactic extinction. We discovered the submillimetercounterpart with APEX and followed it in radio with ATCAfor over 2 months. Additional submm observations were performedwith ALMA as a test of the ToO procedures during commissioning,becoming the first GRB afterglow to be detected by the observatory.UV, optical and NIR observations were performed with Swift/UVOTand 2.2 m/GROND in La Silla and X-ray data were obtained bySwift/XRT. The dataset is complemented with spectroscopic data fromthe VLT/X-shooter spectrograph. The absorption features presentin the intermediate resolution optical/nIR spectra reveal a redshiftof 0.8224 and a host galaxy environment with low ionization. We fit inthe host galaxy absorption features two velocity components separatedby 30 km/s, implying a host galaxy with low dynamical activity.

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