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Browsing by Author "Margutti, R"

Browsing by Author "Margutti, R"

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  • Dead or Alive? Long-term evolution of SN 2015bh (SNhunt275) 
    Elias-Rosa, N; Pastorello, A; Benetti, S; Cappellaro, E; Taubenberger, S; Terreran, G; Fraser, M; Brown, P. J; Tartaglia, L; Morales-Garoffolo, A; Harmanen, J; Richardson, N. D; Artigau, E; Tomasella, L; Margutti, R; Smartt, S. J; Dennefeld, M; Turatto, M; Anupama, G. C; Arbour, R; Berton, M; Bjorkman, K. S; Boles, T; Briganti, F; Chornock, R; Ciabattari, F; Cortini, G; Dimai, A; Gerhartz, C. J; Itagaki, K; Kotak, R; Mancini, R; Martinelli, F; Milisavljevic, D; Misra, K; Ochner, P; Patnaude, D; Polshaw, J; Sahu, D. K; Zaggia, S (Oxford University Press on behalf of the Royal Astronomical Society, 2016-12)
    Supernova (SN) 2015bh (or SNhunt275) was discovered in NGC 2770 on 2015 February with an absolute magnitude of Mr ∼ −13.4 mag, and was initially classified as an SN impostor. Here, we present the photometric and spectroscopic ...
  • Probing final stages of stellar evolution with x-ray observations of SN 2013ej 
    Chakraborti, S; Ray, A; Smith, R; Margutti, R; Pooley, D; Bose, S; Sutaria, F. K; Chandra, P; Dwarkadas, V. V; Ryder, S; Maeda, K (IOP Publishing, 2016-01)
    Massive stars shape their surroundings with mass loss from winds during their lifetimes. Fast ejecta from supernovae (SNe), from these massive stars, shock this circumstellar medium. Emission generated by this interaction ...
  • Roaring to Softly Whispering: X-Ray Emission after ∼3.7 yr at the Location of the Transient AT2018cow and Implications for Accretion-powered Scenarios* 
    Migliori, Giulia; Margutti, R; Metzger, B. D; Chornock, R; Vignali, C; Brethauer, D; Coppejans, D. L; Maccarone, T; Sandoval, L. Rivera; Bright, J. S; Laskar, T; Milisavljevic, D; Berger, E; Nayana, A. J (American Astronomical Society, 2024-03-01)
    We present the first deep X-ray observations of luminous fast blue optical transient (LFBOT) AT 2018cow at ∼3.7 yr since discovery, together with the reanalysis of the observation at δt ∼ 220 days. X-ray emission ...
  • A tale of two GRB-SNe at a common redshift of z=0.54 
    Cano, Z; Bersier, D; Guidorzi, C; Margutti, R; Svensson, K. M; Kobayashi, S; Melandri, A; Wiersema, K; Pozanenko, A; van der Horst, A. J; Pooley, G. G; Fernandez-Soto, A; Castro-Tirado, A. J; de Ugarte Postigo, A; Im, M; Kamble, A. P; Sahu, D. K; Alonso-Lorite, J; Anupama, G. C; Bibby, J. L; Burgdorf, M. J; Clay, N; Curran, P. A; Fatkhullin, T. A; Fruchter, A. S; Garnavich, P; Gomboc, A; Gorosabel, J; Graham, J. F; Gurugubelli, U. K; Haislip, J; Huang, K; Huxor, A; Ibrahimov, M; Jeon, Y; Jeon, Y. B; Ivarsen, K; Kasen, D; Klunko, E; Kouveliotou, C; LaCluyze, A; Levan, A. J; Loznikov, V; Mazzali, P. A; Moskvitin, A. S; Mottram, C; Mundell, C. G; Nugent, P. E; Nysewander, M; O’Brien, P. T; Park, W. K; Peris, V; Pian, E; Reichart, D; Rhoads, J. E; Rol, E; Rumyantsev, V; Scowcroft, V; Shakhovskoy, D; Small, E; Smith, R. J; Sokolov, V. V; Starling, R. L. C; Steele, I; Strom, R. G; Tanvir, N. R; Tsapras, Y; Urata, Y; Vaduvescu, O; Volnova, A; Volvach, A; Wijers, R. A. M. J; Woosley, S. E; Young, D. R (Wiley-Blackwell, 2011-05)
    We present ground-based and Hubble Space Telescope optical observations of the optical transients (OTs) of long-duration Gamma Ray Bursts (GRBs) 060729 and 090618, both at a redshift of z= 0.54. For GRB 060729, bumps are ...

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