Browsing by Author "Galbany, Lluis"

Now showing items 21-33 of 33

    • 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 ...
    • Outer-disk reddening and gas-phase metallicities: The CALIFA connection 
      Marino, R.; Gil de Paz, A.; Sánchez, S.; Sánchez Blázquez, P.; Cardiel, N.; Castillo Morales, A.; Pascual, S.; Vilchez, J.; Kehrig, C.; Molla, M.; Méndez Abreu, J.; Catalán Torrecilla, C.; Florido, E.; Pérez, I.; Ruiz Lara, T.; Ellis, S.; López Sánchez, Ángel R.; González Delgado, R. M.; Lorenzo Cáceres, A. de; García Benito, R.; Galbany, Lluis; Zibett, S.; Cortijo, C.; Kalinova, V.; Mast, D.; Iglesias Paramo, J.; Papaderos, P.; Walcher, C.; Bland Hawthorn, J. (EDP SCIENCES, 2016)
      We study, for the first time in a statistically significant and well-defined sample, the relation between the outer-disk ionized-gas metallicity gradients and the presence of breaks in the surface brightness profiles of ...
    • The rise-time of Type II supernovae 
      González Gaitán, Santiago; Tominaga, N.; Molina, J.; Galbany, Lluis; Bufano, Filomena; Anderson, Joseph P.; Gutierrez, C.; Förster, F.; Pignata Libralato, Giuliano; Bersten, Melina; Howell, D. A.; Sullivan, M.; Carlberg, R.; De Jaeger, Thomas; Hamuy Wackenhut, Mario; Baklanov, P. V.; Blinnikov, S. I. (Oxford University Press, 2015)
      We investigate the early-time light curves of a large sample of 223 Type II supernovae (SNe II) from the Sloan Digital Sky Survey and the Supernova Legacy Survey. Having a cadence of a few days and sufficient non-detections ...
    • The rise-time of Type II supernovae 
      González Gaitán, Santiago; Tominaga, N.; Molina, J.; Galbany, Lluis; Bufano, Filomena; Anderson, J.; Gutiérrez, C.; Förster, Francisco; Pignata Libralato, Giuliano; Bersten, M.; Howell, D. A.; Sullivan, M.; Carlberg, R.; De Jaeger, Thomas; Hamuy Wackenhut, Mario; Baklanov, P.; Blinnikov, S. (Royal Astronomical Society, 2015)
      We investigate the early-time light curves of a large sample of 223 Type II supernovae (SNe II) from the Sloan Digital Sky Survey and the Supernova Legacy Survey. Having a cadence of a few days and sufficient non-detections ...
    • SN 2014J at M82 – I. A middle-class Type Ia supernova by all spectroscopic metrics 
      Galbany, Lluis; Moreno Raya, M.; Ruiz Lapuente, P.; González Hernández, J.; Méndez, J.; Vallely, P.; Baron, E.; Domínguez, I.; Hamuy Wackenhut, Mario; López Sánchez, Ángel R.; Mollá, M.; Catalán, S.; Cooke, E.; Fariña, C.; Génova Santos, R.; Karjalainen, R.; Lietzen, H.; McCormac, J.; Riddick, F.; Rubiño Martín, J.; Skillen, I.; Tudor, V.; Vaduvescu, O. (Oxford University Press, 2016)
      We present the intensive spectroscopic follow up of the Type Ia supernova (SN Ia) 2014J in the starburst galaxy M82. Twenty-seven optical spectra have been acquired from 2014 January 22 to September 1 with the Isaac ...
    • Spectroscopic aperture biases in inside-out evolving early-type galaxies from CALIFA 
      Gomes, J.; Papaderos, P.; Vilchez, J.; Kehrig, C.; Iglesias Paramo, J.; Breda, I.; Lehnert, M.; Sánchez, S.; Ziegler, B.; dos Reis, S.; Bland Hawthorn, J.; Galbany, Lluis; Bomans, D.; Rosales Ortega, F.; Walcher, C.; Garcia Benito, R.; Marquez, I.; del Olmo, A.; Molla, M.; Marino, R.; Catalán Torrecilla, C.; Gonzalez Delgado, R.; López Sánchez, Ángel R. (EDP SCIENCES, 2016)
      Integral field spectroscopy (IFS) studies based on CALIFA survey data have recently revealed ongoing low-level star formation (SF) in the periphery of a small fraction (similar to 10%) of local early-type galaxies (ETGs), ...
    • Spiral-like star-forming patterns in CALIFA early-type galaxies 
      Gomes, J.; Papaderos, P.; Vilchez, J.; Kehrig, C.; Iglesias Paramo, J.; Breda, I.; Lehnert, M.; Sánchez, S.; Ziegler, B.; dos Reis, S.; Bland Hawthorn, J.; Galbany, Lluis; Bomans, D.; Rosales Ortega, F.; Walcher, C.; García Benito, R.; Marquez, I.; del Olmo, A.; Molla, M.; Marino, R.; Catalan Torrecilla, C.; González Delgado, R. M.; López Sánchez, Ángel R. (EDP SCIENCES, 2016)
      Based on a combined analysis of SDSS imaging and CALIFA integral field spectroscopy data, we report on the detection of faint (24 < mu(r) mag/square" < 26) star-forming spiral-arm-like features in the periphery of three ...
    • Star formation in the local Universe from the CALIFA sample. I. Calibrating the SFR using integral field ... 
      Catalán Torrecilla, C.; Gil de Paz, A.; Castillo Morales, A.; Iglesias Páramo, J.; Sánchez, S. F.; Kennicutt, R. C.; Pérez González, P. G.; Marino, R. A.; Walcher, C. J.; Husemann, B.; García Benito, R.; Mast, D.; González Delgado, R. M.; Muñoz Mateos, J. C.; Bland Hawthorn, J.; Bomans, D. J.; Olmo, A. del; Galbany, Lluis; Gomes, J. M.; Kehrig, C.; López Sánchez, Ángel R.; Mendoza, M. A.; Monreal Ibero, A.; Pérez Torres, M.; Sánchez Blázquez, P.; Vilchez, J. M. (ESO, 2015)
      Context. The star formation rate (SFR) is one of the main parameters used to analyze the evolution of galaxies through time. The need for recovering the light reprocessed by dust commonly requires the use of low spatial ...
    • Statistical Studies of Supernova Environments 
      Anderson, Joseph; James, Phil A.; Habergham, Stacey; Galbany, Lluis; Kuncarayakti, Hanindyo (Cambridge Univ Press, 2015)
      Mapping the diversity of SNe to progenitor properties is key to our understanding of stellar evolution and explosive stellar death. Investigations of the immediate environments of SNe allow statistical constraints to be ...
    • 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 high cadence transient survey (HITS). Compilation and characterization of light–curve catalogs 
      Martínez Palomera, Jorge; Forster, Francisco; Protopapas, Pavlos; Maureira, Juan Carlos; Lira Teillery, Paulina; Cabrera Vives, Guillermo; Huijse Heise, Pablo Andrés; Galbany, Lluis; De Jaeger, Thomas; González Gaitán, Santiago; Medina, Gustavo; Pignata Libralato, Giuliano; San Martín Aristegui, Jaime; Hamuy Wackenhut, Mario; Muñoz Vidal, Ricardo Rodrigo (2018)
      The High Cadence Transient Survey (HiTS) aims to discover and study transient objects with characteristic timescales between hours and days, such as pulsating, eclipsing and exploding stars. This survey represents a ...
    • UBVRIz Light Curves of 51 Type II Supernovae 
      Galbany, Lluis; Hamuy Wackenhut, Mario; Phillips, Mark M.; Suntzeff, Nicholas B.; Maza Sancho, José; De Jaeger, Thomas; Moraga, Tania; González Gaitán, Santiago; Krisciunas, Kevin; Morrell, Nidia; Thomas Osip, Joanna; Krzeminski, Wojtek; Gonzalez, Luis; Antezana, Roberto; Wishnjewski, Marina; McCarthy, Patrick; Anderson, Joseph; Gutierrez, Claudia; Stritzinger, Maximilian; Folatelli, Gastón; Anguita, Claudio; Galaz, Gaspar, 1967-; Green, Elisabeth; Impey, Chris; Kim, Yong-Cheol; Kirhakos, Sofia; Malkan, Mathew; Mulchaey, John; Phillips, Andrew; Pizzella, Alessandro; Prosser, Charles; Schmidt, Brian; Schommer, Robert; Sherry, William; Strolger, Louis; Wells, Lisa; Williger, Gerard (OP PUBLISHING, 2016)
      We present a compilation of UBVRIz light curves of 51 type II supernovae discovered during the course of four different surveys during 1986-2003: the Cerro Tololo Supernova Survey, the Calan/Tololo Supernova Program (C&T), ...
    • Unresolved versus resolved: testing the validity of young simple stellar population models with VLT/MUSE ... 
      Kuncarayakti, H.; Galbany, Lluis; Anderson, J. P.; Krühler, T.; Hamuy Wackenhut, Mario (EDP Sciences, 2016)
      Context. Stellar populations are the building blocks of galaxies, including the Milky Way. The majority, if not all, extragalactic studies are entangled with the use of stellar population models given the unresolved nature ...