Browsing by Author "Benetti, S."

Now showing items 1-20 of 21

    • An asymmetric explosion as the origin of spectral evolution diversity in type Ia supernovae 
      Maeda, K.; Benetti, S.; Stritzinger, M.; Röpke, F. K.; Folatelli, Gastón; Sollerman, J.; Taubenberger, S.; Nomoto, K.; Leloudas, G.; Hamuy Wackenhut, Mario; Tanaka, M.; Mazzali, Paolo; Elias Rosa, N. (2010-07-01)
      Type Ia supernovae forman observationally uniform class of stellar explosions, in that more luminous objects have smaller declinerates 1. This one-parameter behaviour allows type Ia supernovae to be calibrated as ...
    • A comparative study of Type II-P and II-L supernova rise times as exemplified by the case of LSQ13cuw 
      Gall, H.; Polshaw, J.; Kotak, R.; Jerkstrand, A.; Leibundgut, B.; Rabinowitz, D.; Sollerman, J.; Sullivan, M.; Smartt, S.; Anderson, J.; Benetti, S.; Baltay, C.; Feindt, U.; Fraser, M.; González Gaitán, Santiago; Inserra, C.; Maguire, K.; McKinnon, R.; Valenti, S.; Young, D. (EDP Sciences, 2015)
      We report on our findings based on the analysis of observations of the Type II-L supernova LSQ13cuw within the framework of currently accepted physical predictions of core-collapse supernova explosions. LSQ13cuw was ...
    • Comprehensive observations of the bright and energetic Type lax SN 2012Z: Interpretation as a Chandrasekhar ... 
      Stritzinger, M.; Valenti, S.; Hoeflich, P.; Baron, E.; Phillips, M.; Taddia, F.; Foley, R.; Hsiao, Eric; Jha, S.; McCully, C.; Pandya, V.; Simon, J.; Benetti, S.; Brown, P.; Burns, C.; Campillay, A.; Contreras, C.; Förster Burón, Francisco; Holmbo, S.; Marion, G.; Morrell, N.; Pignata Libralato, Giuliano (EDP Sciences, 2015)
      We present ultraviolet through near-infrared (NIR) broadband photometry, and visual-wavelength and NIR spectroscopy of the Type lax supernova (SN) 2012Z. The data set consists of both early- and late-time observations, ...
    • 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.
    • High luminosity, slow ejecta and persistent carbon lines: SN 2009dc challenges thermonuclear explosion scenarios 
      Taubenberger, S.; Benetti, S.; Childress, M.; Pakmor, R.; Hachinger, S.; Mazzali, Paolo; Stanishev, V.; Elias-Rosa, Nancy; Agnoletto, I.; Bufano, Filomena; Ergon, M.; Harutyunyan, A.; Inserra, C.; Kankare, E.; Kromer, M.; Navasardyan, H.; Nicolas, J.; Pastorello, A.; Prosperi, E.; Salgado, F.; Sollerman, J.; Stritzinger, M.; Turatto, M.; Valenti, S.; Hillebrandt, W. (WILEY-BLACKWELL, 2011-04)
      Extended optical and near-IR observations reveal that SN 2009dc shares a number of similarities with normal Type Ia supernovae (SNe Ia), but is clearly overluminous, with a (pseudo-bolometric) peak luminosity of log (L) = ...
    • INTERACTING SUPERNOVAE AND SUPERNOVA IMPOSTORS: SN 2009ip, IS THIS THE END? 
      Pastorello, A.; Cappellaro, E.; Inserra, C.; Smartt, S. J.; Pignata Libralato, Giuliano; Benetti, S.; Valenti, S.; Fraser, M.; Takáts, K.; Benítez Seguel, Susana Alejandra; Botticella, María Teresa; Brimacombe, J.; Bufano, Filomena; Cellier Holzem, F.; Costado, M. T.; Cupani, G.; Curtis, I.; Elias Rosa, N.; Ergon, M.; Fynbo, J. P.; Hambsch, F. J.; Hamuy Wackenhut, Mario; Harutyunyan, A.; Ivarson, K. M.; Kankare, E.; Martin, J. C.; Kotak, R.; LaCluyze, Aaron P.; Maguire, K.; Mattila, S.; Maza Sancho, José; McCrum, M.; Miluzio, M.; Norgaard Nielsen, H. U.; Nysewander, M. C.; Ochner, P.; Pan, Y. C.; Pumo, M. L.; Reichart, D. E.; Tan, T. G.; Taubenberger, S.; Tomasella, L.; Turatto, M.; Wright, D. (The American Astronomical Society, 2013-04)
      We report the results of a three-year-long dedicated monitoring campaign of a restless luminous blue variable (LBV) in NGC 7259. The object, named SN 2009ip, was observed photometrically and spectroscopically in the optical ...
    • Intermediate-luminosity red transients: spectrophotometric properties and connection to electron-capture ... 
      Cai, Y-Z; Pastorello, A.; Fraser, M.; Botticella, M. T.; Elías Rosa, N.; Wang, L-Z; Kotak, R.; Benetti, S.; Cappellaro, E.; Turatto, M.; Reguitti, A.; Mattila, S.; Smartt, S. J.; Ashall, C.; Benítez, S.; Chen, T-W; Harutyunyan, A.; Kankare, E.; Lundqvist, P.; Mazzali, P. A.; Morales Garoffolo, A.; Ochner, P.; Pignata, G.; Prentice, S. J.; Reynolds, T. M.; Shu, X-W; Stritzinger, M. D.; Tartaglia, L.; Terreran, G.; Tomasella, L.; Valenti, S.; Valerin, G.; Wang, G-J; Wang, X-F; Borsato, L.; Callis, E.; Cannizzaro, G.; Chen, S.; Congiu, Enrico; Ergon, M.; Galbany, L.; Gal Yam, A.; Gao, X.; Gromadzki, M.; Holmbo, S.; Huang, F.; Inserra, C.; Itagaki, K.; Kostrzewa Rutkowska, Z.; Maguire, K.; Margheim, S.; Moran, S.; Onori, F.; Carracedo, A. Sagues; Smith, K. W.; Sollerman, J.; Somero, A.; Wang, B.; Young, D. R. (EDP, 2021)
      We present the spectroscopic and photometric study of five intermediate-luminosity red transients (ILRTs), namely AT 2010dn, AT 2012jc, AT 2013la, AT 2013lb, and AT 2018aes. They share common observational properties and ...
    • Low luminosity Type II supernovae - II. Pointing towards moderate mass precursors 
      Spiro, S.; Pastorello, A.; Pumo, M. L.; Zampieri, L.; Turatto, M.; Smartt, S. J.; Benetti, S.; Cappellaro, E.; Valenti, S.; Agnoletto, I.; Altavilla, G.; Aoki, T.; Brocato, E.; Corsini, E. M.; Di Cianno, A.; Elias Rosa, N.; Hamuy Wackenhut, Mario; Enya, K.; Fiaschi, M.; Folatelli, Gastón; Desidera, S.; Harutyunyan, A.; Howell, D. A.; Kawka, A.; Kobayashi, Y.; Leibundgut, B.; Minezaki, T.; Navasardyan, H.; Nomoto, K.; Mattila, S.; Pietrinferni, A.; Pignata Libralato, Giuliano; Raimondo, G.; Salvo, M.; Schmidt, B. P.; Sollerman, J.; Spyromilio, J.; Taubenberger, S.; Valentini, G.; Vennes, S.; Yoshii, Y. (Royal Astronomical Society, 2014-04-11)
      We present new data for five underluminous Type II-plateau supernovae (SNe IIP), namely SN 1999gn, SN 2002gd, SN 2003Z, SN 2004eg and SN 2006ov. This new sample of low-luminosity SNe IIP (LL SNe IIP) is analysed together ...
    • Low luminosity Type II supernovae – II. Pointing towards moderate mass precursors 
      Spiro, S.; Pastorello, A.; Pumo, M. L.; Zampieri, L.; Turatto, M.; Smartt, S. J.; Benetti, S.; Cappellaro, E.; Valenti, S.; Agnoletto, I.; Altavilla, G.; Aoki, T.; Brocato, E.; Corsini, E. M.; Di Cianno, A.; Eliás Rosa, N.; Hamuy Wackenhut, Mario; Enya, K.; Fiaschi, M.; Folatelli, Gastón; Desidera, S.; Harutyunyan, A.; Howell, D. A.; Kawka, A; Kobayashi, Y.; Leibundgut, B.; Minezaki, T.; Navasardyan, H.; Nomoto, K.; Mattila, S.; Pietrinferni, A.; Pignata Libralato, Giuliano; Raimondo, G.; Salvo, M.; Schmidt, B. P.; Sollerman, J.; Spyromilio, J.; Taubenberger, S.; Valentini, G.; Vennes, S.; Yoshii, Y. (Oxford University Press, 2014)
      We present new data for five underluminous Type II-plateau supernovae (SNe IIP), namely SN 1999gn, SN 2002gd, SN 2003Z, SN 2004eg and SN 2006ov. This new sample of lowluminosity SNe IIP (LL SNe IIP) is analysed together ...
    • 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 ...
    • Luminous Type II supernovae for their low expansion velocities 
      Rodríguez, Ó.; Pignata, G.; Anderson, J. P.; Moriya, T. J.; Clocchiatti, A.; Förster Burón, Francisco; Prieto, J.L.; Phillips, M. M.; Burns, C. R.; Contreras, C.; Folatelli, G.; Gutiérrez, C. P.; Hamuy Wackenhut, Mario; Morrell, N. I.; Stritzinger, M. D.; Suntzeff, N. B.; Benetti, S.; Cappellaro, E.; Elias Rosa, N.; Pastorello, A.; Turatto, M.; Maza Sancho, José María; Antezana, Roberto; Cartier, R.; González Muñoz, Luis; Haislip, J. B.; Kouprianov, V.; López, P.; Marchi Lasch, Sebastián; Reichart, D. (Oxford University Press, 2020)
      We present optical and near-infrared data of three Type II supernovae (SNe II), SN 2008bm, SN 2009aj, and SN 2009au. These SNe display the following common characteristics: signs of early interaction of the ejecta with ...
    • 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 ...
    • Optical and near-IR observations of the faint and fast 2008ha-like supernova 2010ae 
      Stritzinger, M. D.; Hsiao, Eric; Valenti, S.; Taddia, F.; Rivera Thorsen, T. J.; Leloudas, G.; Maeda, K.; Pastorello, A.; Phillips, M. M.; Pignata Libralato, Giuliano; Baron, E.; Burns, C. R.; Contreras, C.; Folatelli, Gastón; Hamuy Wackenhut, Mario; Höflich, P.; Morrell, N.; Prieto, J. L.; Benetti, S.; Campillay, A.; Haislip, Joshua B.; LaClutze, A. P.; Moore, J. P.; Reichart, D. E. (ESO, 2014)
      A comprehensive set of optical and near-infrared (NIR) photometry and spectroscopy is presented for the faint and fast 2008halike supernova (SN) 2010ae. Contingent on the adopted value of host extinction, SN 2010ae reached ...
    • The peculiar type II supernova 1997D: A case for a very low Ni-56 mass 
      Turatto, M.; Mazzali, Paolo; Young, T. R.; Nomoto, K.; Iwamoto, K.; Benetti, S.; Cappellaro, E.; Danziger, I. J.; Mello, D. F. de; Phillips, M. M.; Suntzeff, Nicholas B.; Clocchiatti, A.; Piemonte, A.; Leibundgut, B.; Covarrubias, R.; Maza Sancho, José; Sollerman, J. (UNIV CHICAGO PRESS, 1998-05-10)
      SN 1997D in NGC 1536 is possibly the least luminous and energetic Type II supernova discovered to date. The entire light curve is subluminous, never reaching M-v = -14.65. The radioactive tail follows the Co-56 decay slope. ...
    • SN 2009ib: a Type II-P supernova with an unusually long plateau 
      Takáts, K.; Pignata Libralato, Giuliano; Pumo, M. L.; Paillas, E.; Zampieri, L.; Elias-Rosa, N.; Benetti, S.; Bufano, Filomena; Cappellaro, E.; Ergon, M.; Fraser, M.; Hamuy Wackenhut, Mario; Inserra, C.; Kankare, E.; Smartt, S. J.; Stritzinger, M. D.; Van Dyk, S. D.; Haislip, Joshua B.; LaCluyze, A. P.; Moore, J. P.; Reichart, D. (Royal Astronomical Society, 2015)
      We present optical and near-infrared photometry and spectroscopy of SN 2009ib, a Type II-P supernova in NGC 1559. This object has moderate brightness, similar to those of the intermediate-luminosity SNe 2008in and 2009N. ...
    • SN 2009N: linking normal and subluminous Type II-P SNe 
      Takats, K.; Pumo, M. L.; Elías-Rosa, N.; Pastorello, A.; Pignata Libralato, Giuliano; Paillas, E.; Zampieri, L.; Anderson, J. P.; Vinko, J.; Benetti, S.; Botticella, María Teresa; Bufano, Filomena; Campillay, A.; Cartier Ugarte, Regis; Ergon, M.; Folatelli, Gastón; Foley, R. J.; Forster, Francisco; Hamuy Wackenhut, Mario; Hentunen, V.-P.; Kankare, E.; Leloudas, G.; Morrell, N.; Nissinen, M.; Phillips, M. M.; Smartt, S. J.; Stritzinger, M.; Taubenberger, S.; Valenti, S.; Van Dyk, S. D.; Haislip, Joshua B.; LaCluyze, Aaron P.; Moore, J. P.; Reichart, D. (Royal Astronomical Society, 2014-02-11)
      We present ultraviolet, optical, near-infrared photometry and spectroscopy of SN 2009N in NGC 4487. This object is a Type II-P supernova with spectra resembling those of subluminous II-P supernovae, while its bolometric ...
    • SN 2011A: A Low-Luminosity Interacting Transient With A Double Plateau And Strong Sodium Absorption 
      De Jaeger, Thomas; Anderson, J. P.; Pignata Libralato, Giuliano; Hamuy Wackenhut, Mario; Kankare, E.; Stritzinger, M. D.; Benetti, S.; Bufano, Filomena; Elias-Rosa, Nancy; Folatelli, Gastón; Forster, Francisco; González Gaitán, Santiago; Gutiérrez, C. P.; Inserra, C.; Kotak, R.; Lira Teillery, Paulina; Morrell, N.; Taddia, F.; Tomasella, L. (IOP Publisihing, 2015)
      We present optical photometry and spectroscopy of the optical transient SN 2011A. Our data span 140 days after discovery including BVRI u'g'r'i'z' photometry and 11 epochs of optical spectroscopy. Originally classified as ...
    • SN 2011hs: a fast and faint Type IIb supernova from a supergiant progenitor 
      Bufano, Filomena; Pignata Libralato, Giuliano; Bersten, M.; Mazzali, Paolo; Ryder, S. D.; Margutti, R.; Milisavljevic, D.; Morelli, L.; Benetti, S.; Cappellaro, E.; González Gaitán, E.; Romero Canizales, C.; Stritzinger, M.; Walker, E. S.; Anderson, J. P.; Contreras, C.; De Jaeger, Thomas; Forster, Francisco; Gutiérrez, Claudia P.; Hamuy Wackenhut, Mario; Hsiao, Eric; Morrell, N.; Olivares, F.; Paillas, E.; Parker, S.; Pian, E.; Pickering, T. E.; Sanders, N.; Stockdale, C.; Turatto, M.; Valenti, S.; Fesen, R. A.; Maza Sancho, José; Nomoto, K.; Phillips, M. M.; Soderberg, A. (Royal Astronomical Society, 2014)
      Observations spanning a large wavelength range, from X-ray to radio, of the Type IIb supernova (SN) 2011hs are presented, covering its evolution during the first year after explosion. The optical light curve presents a ...
    • 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 ...
    • 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 ...