Browsing by Author "Gal Yam, Avishay"

Now showing items 1-14 of 14

    • DES14X3taz: A type i superluminous supernova showing a luminous, rapidlycooling initial pre-peak bump 
      Smith, M.; Sullivan, M.; D'Andrea, C. B.; Castander, F. J.; Casas, R.; Prajs, S.; Papadopoulos, A.; Nichol, R. C.; Karpenka, N. V.; Bernard, S. R.; Brown, P.; Cartier Ugarte, Regis; Cooke, J.; Curtin, C.; Davis, T. M.; Finley, D. A.; Foley, R. J.; Gal Yam, Avishay; Goldstein, D. A.; González Gaitán, Santiago; Gupta, R. R.; Howell, D. A.; Inserra, C.; Kessler, R.; Lidman, C.; Marriner, J.; Nugent, P.; Pritchard, T. A.; Sako, M.; Smartt, S.; Smith, R. C.; Spinka, H.; Thomas, R. C.; Wolf, R. C.; Zenteno, A.; Abbott, T. M.; Benoit Levy, A.; Bertin, E.; Brooks, D.; Buckley Geer, E.; Carnero Rosell, A.; Kind, Carrasco; Carretero, J.; Crocce, M.; Cunha, C. E.; da Costa, L. N.; Desai, S.; Fosalba, P.; Frieman, J.; Gerdes, D. W.; Gruen, D.; Gruendl, R. A.; Marshall, J. L.; Martini, P.; Miller, C. J.; Miquel, R.; Nord, B. B.; Ogando, R.; Plazas, A. A.; Reil, K.; Romer, A. K.; Roodman, A.; Rykoff, E. S.; Sánchez, E.; Scarpine, V.; Schubnell, M.; Sevilla Noarbe, I.; Soares Santos, M.; Sobreira, F.; Suchyta, E.; Swanson, M. E. C.; Tarle, G.; Walker, A. R.; Wester, W. (IOP PUBLISHING LTD, 2016)
      We present DES14X3taz, a new hydrogen-poor superluminous supernova (SLSN-I) discovered by the Dark Energy Survey (DES) supernova program, with additional photometric data provided by the Survey Using DECam for Superluminous ...
    • Environment-derived constraints on the progenitors of low-luminosity Type I supernovae 
      Lyman, J. D.; James, P. A.; Perets, Hagai B.; Anderson, J. P.; Gal Yam, Avishay; Mazzali, Paolo; Percival, S. M. (Oxford University Press on behalf of the Royal Astronomical Society, 2013)
      We present a study of the properties of the host galaxies of unusual transient objects of two types, both being subluminous compared with the major classes of supernovae. Those of one type exhibit unusually strong calcium ...
    • Erratum: On the diversity of superluminous supernovae: ejected mass as the dominant factor 
      Nicholl, M.; Smartt, S. J.; Jerkstrand, A.; Inserra, C.; Sim, S. A.; Chen, T. W.; Benetti, S.; Fraser, M.; Gal Yam, Avishay; Kankare, E.; Maguire, K.; Smith, K.; Sullivan, M.; Valenti, S.; Young, D. R.; Baltay, C.; Bauer, F. E.; Baumont, S.; Bersier, D.; Botticella, M.-T.; Childress, M.; Dennefeld, M.; Valle, M. Della; Elías-Rosa, N.; Feindt, U.; Galbany, Lluis; Hadjiyska, E.; Le Guillou, L.; Leloudas, G.; Mazzali, P.; McKinnon, R.; Polshaw, J.; Rabinowitz, D.; Rostami, S.; Scalzo, R.; Schmidt, B. P.; Schulze, Steve; Sollerman, J.; Taddia, F.; Yuan, F. (Royal Astronomical Society, 2016)
      This is an erratum to the paper ‘On the diversity of superluminous supernovae: ejected mass as the dominant factor’, published in MNRAS, 2015, 452.
    • A faint type of supernova from a white dwarf with a helium-rich companion 
      Perets, Hagai B.; Gal Yam, Avishay; Mazzali, Paolo; Arnett, D.; Kagan, D.; Filippenko, Alexei V.; Li, Weidong; Arcavi, I.; Cenko, S. Bradley; Fox, D. B.; Leonard, D. C.; Moon, D.-S.; Sand, D. J.; Soderberg, A. M.; Anderson, Joseph P.; James, P. A.; Foley, Ryan J.; Ganeshalingam, Mohan; Ofek, E. O.; Bildsten, L.; Nelemans, G.; Shen, K. J.; Weinberg, N. N.; Metzger, B. D.; Piro, A. L.; Quataert, E.; Kiewe, M.; Poznanski, Dovi (Macmillan Publishers Limited, 2010-05-20)
    • Geological Society of America 
      Fraser, Morgan; Inserra, Cosimo; Jerkstrand, Anders; Kotak, Rubina; Pignata Libralato, Giuliano; Benetti, Stefano; Botticella, María Teresa; Bufano, Filomena; Childress, Michael; Mattila, Seppo; Pastorello, Andrea; Smartt, Stephen J.; Turatto, Massimo; Yuan, Fang; Anderson, Joe P.; R. Bayliss, Daniel D.; Bauer, Franz Erik; Chen, Ting Wan; Förster Burón, Francisco; Gal Yam, Avishay; Haislip, Joshua B.; Knapic, Cristina; Le Guillou, Laurent; Marchi, Sebastián; Mazzali, Paolo; Molinaro, Marco; Moore, Justin P.; Reichart, Daniel; Smareglia, Riccardo; Smith, Ken W.; Sternberg, Assaf; Sullivan, Mark; Takáts, Katalin; Tucker, Brad E.; Valenti, Stefano; Yaron, Ofer; Young, David R.; Zhou, George (Oxford University Press and Royal Astronomical Society, 2013)
      We present ultraviolet, optical and near-infrared observations of the interacting transient SN 2009ip, covering the period from the start of the outburst in 2012 October until the end of the 2012 observing season. The ...
    • Linking type Ia supernova progenitors and their resulting explosions 
      Foley, Ryan J.; Simon, Joshua D.; Burns, Christopher R.; Gal Yam, Avishay; Hamuy Wackenhut, Mario; Kirshner, Robert P.; Morrell, Nidia I.; Phillips, Mark M.; Shields, Gregory A.; Sternberg, Assaf (2012-06-20)
      Comparing the ejecta velocities at maximum brightness and narrow circumstellar/interstellar Na D absorption line profiles of a sample of 23 Type Ia supernovae (SNe Ia), we determine that the properties of SN Ia progenitor ...
    • LSQ14bdq: A Type Ic super-luminous supernova with a double-peaked light curve 
      Nicholl, M.; Smartt, S. J.; Jerkstrand, A.; Sim, S. A.; Inserra, C.; Anderson, J. P.; Baltay, C.; Benetti, S.; Chambers, K.; Chen, T. W.; Elias Rosa, N.; Feindt, U.; Flewelling, H. A.; Fraser, M.; Gal Yam, Avishay; Galbany, Lluis; Huber, M. E.; Kangas, T.; Kankare, E.; Kotak, R.; Kruehler, T.; Maguire, K.; McKinnon, R.; Rabinowitz, D.; Rostami, S.; Schulze, Steve; Smith, K.W.; Sullivan, M.; Tonry, J. L.; Valenti, S.; Young, D. R. (IOP Publishing, 2015)
      We present data for LSQ14bdq, a hydrogen-poor super-luminous supernova (SLSN) discovered by the La Silla QUEST survey and classified by the Public ESO Spectroscopic Survey of Transient Objects. The spectrum and light curve ...
    • NEARBY SUPERNOVA FACTORY OBSERVATIONS OF SN 2007IF: FIRST TOTAL MASS MEASUREMENT OF A SUPER-CHANDRASEKHAR-MASS ... 
      Scalzo, R. A.; Aldering, G.; Antilogus, P.; Aragón, C.; Bailey, S.; Baltay, C.; Bongard, S.; Buton, C.; Childress, M.; Chotard, N.; Copin, Y.; Fakhouri, H. K.; Gal Yam, Avishay; Gangler, E.; Hoyer, Sergio; Kasliwal, M.; Loken, S.; Nugent, P.; Pain, R.; Pécontal, E.; Pereira, R.; Perlmutter, S.; Rabinowitz, David; Rau, A.; Rigaudier, G.; Runge, K.; Smadja, G.; Tao, C.; Thomas, R. C.; Weaver, B.; Wu, C. (2010-03)
      We present photometric and spectroscopic observations of SN 2007if, an overluminous (MV = -20.4), red (B -V = 0.16 at B-band maximum), slow-rising (trise = 24 days) type Ia supernova (SN Ia) in a very faint (Mg = -14.10) ...
    • On the diversity of superluminous supernovae: ejected mass as the dominant factor 
      Nicholl, M.; Smartt, S. J.; Jerkstrand, A.; Inserra, C.; Sim, S. A.; Chen, T. W.; Benetti, S.; Fraser, M.; Gal Yam, Avishay; Kankare, E.; Maguire, K.; Smith, K.; Sullivan, M.; Valenti, S.; Young, D. R.; Baltay, C.; Bauer, F. E.; Baumont, S.; Bersier, D.; Botticella, M. T.; Childress, M.; Dennefeld, M.; Della Valle, Massimo; Elias Rosa, N.; Feindt, U.; Galbany, Lluis; Hadjiyska, E.; Le Guillou, L.; Leloudas, G.; Mazzali, P.; McKinnon, R.; Polshaw, J.; Rabinowitz, D.; Rostami, S.; Scalzo, R.; Schmidt, B. P.; Schulze, S.; Sollerman, J.; Taddia, F.; Yuan, F. (Oxford University Press, 2015)
      We assemble a sample of 24 hydrogen-poor superluminous supernovae (SLSNe). Parameterizing the light-curve shape through rise and decline time-scales shows that the two are highly correlated. Magnetar-powered models can ...
    • On the Source of the Dust Extinction in Type Ia Supernovae and the Discovery of Anomalously Strong Na I Absorption 
      Phillips, M. M.; Simon, Joshua D.; Morrell, Nidia; Burns, Christopher R.; Cox, Nick; Foley, Ryan J.; Karakas, Amanda; Patat, F.; Sternberg, A.; Williams, R.; Gal Yam, Avishay; Hsiao, Eric; Leonard, D.; Persson, Sven; Stritzinger, Maximilian; Thompson, I.; Campillay, Abdo; Contreras, Carlos; Folatelli, Gastón; Freedman, Wendy L.; Hamuy Wackenhut, Mario; Roth, Miguel; Shields, Gregory; Suntzeff, Nicholas B.; Chomiuk, Laura; Ivans, Inese; Madore, Barry; Penprase, B.; Perley, Daniel; Pignata Libralato, Giuliano; Preston, G.; Soderberg, Alicia (The American Astronomical Society, 2013-11-10)
      High-dispersion observations of the Na i D λλ5890, 5896 and K i λλ7665, 7699 interstellar lines, and the diffuse interstellar band at 5780 Å in the spectra of 32 Type Ia supernovae are used as an independent means of ...
    • SN 2012ec: mass of the progenitor from PESSTO follow-up of the photospheric phase 
      Barbarino, C.; Dall'Ora, M.; Botticella, M. T.; Della Valle, Massimo; Zampieri, L.; Maund, J.; Pumo, M.; Jerkstrand, A.; Benetti, S.; Elias Rosa, N.; Fraser, M.; Gal Yam, Avishay; Hamuy Wackenhut, Mario; Inserra, C.; Knapic, C.; LaCluyze, A.; Molinaro, M.; Ochner, P.; Pastorello, A.; Pignata Libralato, Giuliano; Reichart, D.; Ries, C.; Riffeser, A.; Schmidt, B.; Schmidt, M.; Smareglia, R.; Smartt, S.; Smith, K.; Sollerman, J.; Sullivan, M.; Tomasella, L.; Turatto, M.; Valenti, S.; Yaron, O.; Young, D. (Oxford Univ Press, 2015)
      We present the results of a photometric and spectroscopic monitoring campaign of SN 2012ec, which exploded in the spiral galaxy NGC 1084, during the photospheric phase. The photometric light curve exhibits a plateau with ...
    • Spectroscopy of type Ia supernovae by the Carnegie Supernova Project 
      Folatelli, Gastón; Morrell, Nidia; Phillips, Mark M.; Hsiao, Eric; Campillay, Abdo; Contreras, Carlos; Castellón, Sergio; Hamuy Wackenhut, Mario; Krzeminski, Wojtek; Roth, Miguel; Stritzinger, Maximilian; Burns, Christopher R.; Freedman, Wendy L.; Madore, Barry F.; Murphy, David; Persson, S. E.; Prieto, José L.; Suntzeff, Nicholas B.; Krisciunas, Kevin; Anderson, Joseph P.; Förster, Francisco; Maza Sancho, José; Pignata Libralato, Giuliano; Rojas, P. Andrea; Boldt, Luis; Salgado, Francisco; Wyatt, Pamela; Olivares E., Felipe; Gal Yam, Avishay; Sako, Masao (The American Astronomical Society, 2013)
      This is the first release of optical spectroscopic data of low-redshift Type Ia supernovae (SNe Ia) by the Carnegie Supernova Project including 604 previously unpublished spectra of 93 SNe Ia. The observations cover a ...
    • Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy: the big brother of SN 1998S 
      Kangas, T.; Mattila, S.; Kankare, E.; Lundqvist, P.; Vaeisaenen, P.; Childress, M.; Pignata Libralato, Giuliano; McCully, C.; Valenti, S.; Vinkó, J.; Pastorello, A.; Elias Rosa, N.; Fraser, M.; Gal Yam, Avishay; Kotak, R.; Kotilainen, J. K.; Smartt, S. J.; Galbany, Lluis; Harmanen, J.; Howell, D. A.; Inserra, C.; Marion, G. H.; Quimby, R. M.; Silverman, J. M.; Szalai, T.; Wheeler, J. C.; Ashall, C.; Benetti, S.; Romero Cañizales, C.; Smith, K. W.; Sullivan, M.; Takáts, K.; Young, D. R. (Oxford University Press, 2016)
      We present photometric and spectroscopic observations of SN 2013fc, a bright type II supernova (SN) in a circumnuclear star-forming ring in the luminous infrared galaxy ESO 154-G010, observed as part of the Public ESO ...
    • THE OLD ENVIRONMENT OF THE FAINT CALCIUM-RICH SUPERNOVA SN 2005cz 
      Perets, Hagai B.; Gal Yam, Avishay; Crockett, R. Mark; Anderson, Joseph P.; James, Phil A.; Sullivan, Mark; Neill, James D.; Douglas C. Leonard (IOP PUBLISHING LTD, 2011-02-20)
      The supernova SN 2005cz has recently attracted some attention due to the fact that it was spectroscopically similar to type Ib supernovae (SNe Ib), a class that is presumed to result from the core collapse of massive stars, ...