Browsing by Author "Mattila, S."

Now showing items 1-9 of 9

    • Adaptive optics discovery of supernova 2004ip in the nuclear regions of the luminous infrared galaxy IRAS ... 
      Mattila, S.; Väisänen, P.; Farrah, D.; Efstathiou, A.; Meikle, W. P. S.; Dahlen, T.; Fransson, C.; Lira Teillery, Paulina; Lundqvist, P.; Östlin, G.; Ryder, S.; Sollerman, J. (2007)
      We report a supernova discovery in K-s-band images from the NAOS CONICA adaptive optics (AO) system on the ESO Very Large Telescope. The images were obtained as part of a near- infrared search for highly obscured supernovae ...
    • Adaptive optics imaging and optical spectroscopy of a multiple merger in a luminous infrared galaxy 
      Väisänen, P.; Mattila, S.; Kniazev, A.; Adamo, A.; Efstathiou, A.; Farrah, D.; Ohansson, P. H.; Östlin, G.; Buckley, D. A. H.; Burgh, E. B.; Crause, L.; Hashimoto, Y.; Lira Teillery, Paulina; Loaring, N.; Nordsieck, K.; Romero Colmenero, Encarni; Ryder, S.; Still, M.; Zijlstra, A. (BLACKWELL PUBLISHING, 2008-03-01)
      We present near-infrared (NIR) adaptive optics imaging obtained with VLT/NACO and optical spectroscopy from the Southern African Large Telescope (SALT) of a luminous infrared galaxy (LIRG) IRAS 19115-2124. These data are ...
    • 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 ...
    • Near-infrared Adaptive Optics Imaging of Infrared Luminous Galaxies 
      Randriamanakoto, Z.; Escala Astorquiza, Andrés; Väisänen, P.; Kankare, E.; Kotilainen, J.; Mattila, S.; Ryder, S. (The American Astronomical Society, 2013-10-01)
      We have established a relation between the brightest super star cluster (SSC) magnitude in a galaxy and the host star formation rate (SFR) for the first time in the near-infrared (NIR). The data come from a statistical ...
    • On the triple peaks of SNHunt248 in NGC 5806* 
      Kankare, E.; Kotak, R.; Pastorello, A.; Fraser, M.; Mattila, S.; Smartt, S.; Bruce, A.; Chambers, K.; Elias Rosa, N.; Flewelling, H.; Fremling, C.; Harmanen, J.; Huber, M.; Jerkstrand, A.; Kangas, T.; Kuncarayakti, Hanindyo; Magee, M.; Magnier, E.; Polshaw, J.; Smith, K.; Sollerman, j.; Tomasella, L. (EDP Sciences, 2015)
      We present our findings on a supernova (SN) impostor, SNHunt248, based on optical and near-IR data spanning ∼15 yr before discovery, to ∼1 yr post-discovery. The light curve displays three distinct peaks, the brightest ...
    • 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 ...