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  • The evolution of neutral ga... The evolution of neutral gas in damped Lyman a systems from the XQ-100 survey
    Sanchez-Ramirez, R; Ellison, S L; Prochaska, J X ... Monthly notices of the Royal Astronomical Society, 03/2016, Volume: 456, Issue: 4
    Journal Article
    Peer reviewed

    We present a sample of 38 intervening damped Lyman ... (DLA) systems identified towards 100 z > 3.5 quasars, observed during the XQ-100 survey. The XQ-100 DLA sample is combined with major DLA ...
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  • The host of the SN-less GRB... The host of the SN-less GRB 060505 in high resolution
    Thöne, C. C; Christensen, L; Prochaska, J. X ... Monthly notices of the Royal Astronomical Society, 07/2014, Volume: 441, Issue: 3
    Journal Article
    Peer reviewed
    Open access

    The spiral host galaxy of the Swift GRB 060505 at z = 0.089 was the site of a puzzling long duration burst without an accompanying supernova. Studies of the burst environment by Thöne et al. ...
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  • The Afterglows of Swift-era... The Afterglows of Swift-era Gamma-Ray Bursts. II. Type I GRB versus Type II GRB Optical Afterglows
    Kann, D. A; Klose, S; Zhang, B ... The Astrophysical journal, 06/2011, Volume: 734, Issue: 2
    Journal Article
    Peer reviewed

    Gamma-ray bursts (GRBs) have been separated into two classes, originally along the lines of duration and spectral properties, called 'short/hard' and 'long/soft.' The latter have been conclusively ...
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  • Broad-band polarimetric fol... Broad-band polarimetric follow-up of Type IIP SN 2012aw
    Kumar, Brajesh; Pandey, S. B; Eswaraiah, C ... Monthly notices of the Royal Astronomical Society, 07/2014, Volume: 442, Issue: 1
    Journal Article
    Peer reviewed
    Open access

    We present the results based on R-band polarimetric follow-up observations of the nearby (∼10 Mpc) Type II-plateau SN 2012aw. Starting from ∼10 d after the supernova (SN) explosion, these ...
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  • The Afterglows of Swift-era... The Afterglows of Swift-era Gamma-ray Bursts. I. Comparing pre-Swift and Swift-era Long/Soft (Type II) GRB Optical Afterglows
    Kann, D. A; Klose, S; Zhang, B ... The Astrophysical journal, 09/2010, Volume: 720, Issue: 2
    Journal Article
    Peer reviewed
    Open access

    We have gathered optical photometry data from the literature on a large sample of Swift-era gamma-ray burst (GRB) afterglows including GRBs up to 2009 September, for a total of 76 GRBs, and present ...
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  • Diversity in extinction law... Diversity in extinction laws of Type Ia supernovae measured between 0.2 and 2 μm
    Amanullah, R; Johansson, J; Goobar, A ... Monthly notices of the Royal Astronomical Society, 2015, Volume: 453, Issue: 3
    Journal Article
    Peer reviewed
    Open access

    We present ultraviolet (UV) observations of six nearby Type Ia supernovae (SNe Ia) obtained with the Hubble Space Telescope, three of which were also observed in the near-IR (NIR) with Wide-Field ...
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  • Low-resolution Spectroscopy... Low-resolution Spectroscopy of Gamma-ray Burst Optical Afterglows: Biases in the Swift Sample and Characterization of the Absorbers
    Fynbo, J. P. U; Jakobsson, P; Prochaska, J. X ... The Astrophysical journal. Supplement series, 12/2009, Volume: 185, Issue: 2
    Journal Article
    Peer reviewed
    Open access

    We present a sample of 77 optical afterglows (OAs) of Swift detected gamma-ray bursts (GRBs) for which spectroscopic follow-up observations have been secured. Our first objective is to measure the ...
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  • GRB 140102A: insight into p... GRB 140102A: insight into prompt spectral evolution and early optical afterglow emission
    Gupta, Rahul; Oates, S R; Pandey, S B ... Monthly notices of the Royal Astronomical Society 505, Issue: 3
    Journal Article
    Peer reviewed

    ABSTRACT We present and perform a detailed analysis of multiwavelength observations of GRB 140102A, an optical bright GRB with an observed reverse shock (RS) signature. Observations of this GRB were ...
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  • The distribution of equival... The distribution of equivalent widths in long GRB afterglow spectra
    de Ugarte Postigo, A.; Fynbo, J. P. U.; Thöne, C. C. ... Astronomy and astrophysics (Berlin), 12/2012, Volume: 548
    Journal Article
    Peer reviewed
    Open access

    Context. The extreme brightness of gamma-ray burst (GRB) afterglows and their simple spectral shape make them ideal beacons to study the interstellar medium of their host galaxies through absorption ...
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