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We present optical and near-infrared (NIR) photometry for three gamma-ray burst supernovae (GRB-SNe): GRB 120729A, GRB 130215A/SN 2013ez, and GRB 130831A/SN 2013fu. For GRB 130215A/SN 2013ez, we also present optical

We present optical and near-infrared (NIR) photometry for three gamma-ray burst supernovae (GRB-SNe): GRB 120729A, GRB 130215A/SN 2013ez, and GRB 130831A/SN 2013fu. For GRB 130215A/SN 2013ez, we also present optical spectroscopy at t − t[subscript 0] = 16.1 d, which covers rest-frame 3000–6250 Å. Based on Fe ii λ5169 and Si ii λ6355, our spectrum indicates an unusually low expansion velocity of ~4000–6350 km s[superscript -1], the lowest ever measured for a GRB-SN.

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Date Created
  • 2014-08-01
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  • Text
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    Identifier
    • Digital object identifier: 10.1051/0004-6361/201423920
    • Identifier Type
      International standard serial number
      Identifier Value
      0004-6361
    • Identifier Type
      International standard serial number
      Identifier Value
      1432-0746
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    • Reproduced with permission from Astronomy & Astrophysics, copyright ESO.

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    Z. Cano, A. de Ugarte Postigo, A. Pozanenko, N. Butler, C. C. Thöne, C. Guidorzi, T. Krühler, J. Gorosabel, P. Jakobsson, G. Leloudas, D. Malesani, J. Hjorth, A. Melandri, C. Mundell, K. Wiersema, P. D’Avanzo, S. Schulze, A. Gomboc, A. Johansson, W. Zheng, D. A. Kann, F. Knust, K. Varela, C. W. Akerlof, J. Bloom, O. Burkhonov, E. Cooke, J. A. de Diego, G. Dhungana, C. Farina, F. V. Ferrante, H. A. Flewelling, O. D. Fox, J. Fynbo, N. Gehrels, L. Georgiev, J. J. González, J. Greiner, T. Güver, O. Hartoog, N. Hatch, M. Jelinek, R. Kehoe, S. Klose, E. Klunko, D. Kopač, A. Kutyrev, Y. Krugly, W. H. Lee, A. Levan, V. Linkov, A. Matkin, N. Minikulov, I. Molotov, J. X. Prochaska, M. G. Richer, C. G. Román-Zúñiga, V. Rumyantsev, R. Sánchez-Ramírez, I. Steele, N. R. Tanvir, A. Volnova, A. M. Watson, D. Xu and F. Yuan (2014). A trio of gamma-ray burst supernovae: GRB 120729A, GRB 130215A/SN 2013ez, and GRB 130831A/SN 2013fu. ASTRONOMY & ASTROPHYSICS, 568(A19). http://dx.doi.org/10.1051/0004-6361/201423920

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