Browsing by Author "Galbany, Lluis"

Now showing items 1-20 of 33

    • A Type II Supernova Hubble Diagram from the CSP-I, SDSS-II, and SNLS Surveys 
      Jaeger, T. De; González Gaitán, S.; Hamuy Wackenhut, Mario; Galbany, Lluis; Anderson, J. P.; Phillips, M. M.; Stritzinger, M. D.; Carlberg, R. G.; Sullivan, M.; Gutiérrez, C. P.; Hook, I. M.; Howell, D. Andrew; Hsiao, E. Y.; Kuncarayakti, H.; Ruhlmann-Kleider, V.; Folatelli, Gastón; Pritchet, C.; Basa, S. (Institute of Physics Publishing, 2017)
      The coming era of large photometric wide-field surveys will increase the detection rate of supernovae by orders of magnitude. Such numbers will restrict spectroscopic follow-up in the vast majority of cases, and hence new ...
    • Asteroids in the high cadence transient survey 
      Peña, J.; Fuentes González, César; Forster, Francisco; Maureira, Juan Carlos; San Martín, J.; Littin, J.; Huijse Heise, Pablo Andrés; Cabrera Vives, Guillermo; Estévez Valencia, Pablo; Galbany, Lluis; González Gaitán, Santiago; Martínez, J.; De Jaeger, Thomas; Hamuy Wackenhut, Mario (IOP Publishing Ltd, 2018)
      We report on the serendipitous observations of solar system objects imaged during the High cadence Transient Survey 2014 observation campaign. Data from this high-cadence wide-field survey was originally analyzed for finding ...
    • The CALIFA survey across the Hubble sequence Spatially resolved stellar population properties in galaxies? 
      González Delgado, R. M.; García Benito, R.; Pérez, E.; Cid Fernandes, R.; Amorim, A. de; Cortijo Ferrero, C.; Lacerda, E.; López Fernández, R.; Vale Asari, N.; Sánchez, F.; Mollá, M.; Ruiz Lara, T.; Sánchez Blázquez, P.; Walcher, C.; Alves, J.; Aguerri, J.; Bekeraité, S.; Bland Hawthorn, J.; Galbany, Lluis; Gallazzi, A.; Husemann, B.; Iglesias Páramo, J.; Kalinova, V.; López Sánchez, Ángel R.; Marino, R.; Márquez, I.; Masegosa, J.; Mast, D.; Méndez Abreu, J.; Mendoza, A.; Olmo, A. del; Pérez, I.; Quirrenbach, A.; Zibetti, Stefano (EDP Sciences, 2015)
      Various di erent physical processes contribute to the star formation and stellar mass assembly histories of galaxies. One important approach to understanding the significance of these di erent processes on galaxy evolution ...
    • CALIFA, the Calar Alto Legacy Integral Field Area survey III. Second public data release 
      García Benito, R.; Zibetti, S.; Sánchez, S. F.; Husemann, B.; Amorim, A. L. de; Castillo Morales, A.; Cid Fernandes, R.; Ellis, S. C.; Falcón Barroso, J.; Galbany, Lluis; Gil de Paz, A.; González Delgado, R. M.; Lacerda, E.A.D.; López Fernández, R.; Lorenzo Cáceres, A. de; Lyubenova, M.; Marino, R. A.; Mast, D.; Mendoza, M. A.; Pérez, E.; Vale Asari, N.; Aguerri, J.; Ascasibar, Y.; Bekeraitè, S.; Bland Hawthorn, J.; Barrera Ballesteros, J. K.; Bomans, D. J.; Cano Díaz, M.; Catalán Torrecilla, C.; Cortijo, C.; Delgado Inglada, G.; Demleitner, M.; Dettmar, R. J.; Díaz, A. I.; Florido, E.; Gallazzi, A.; García Lorenzo, B.; Gomes, J. M.; Holmes, L.; Iglesias Páramo, J.; Jahnke, K.; Kalinova, V.; Kehrig, C.; Kennicutt, R. C.; López Sánchez, Ángel R.; Márquez, I.; Masegosa, J.; Meidt, S. E.; Mendez Abreu, J.; Mollá, M.; Monreal Ibero, A.; Morisset, C.; Olmo, A. del; Papaderos, P.; Pérez, I.; Quirrenbach, A.; Rosales Ortega, F. F.; Roth, M. M.; Ruiz Lara, T.; Sánchez Blázquez, P.; Sánchez Menguiano, L.; Singh, R.; Spekkens, K.; Stanishev, V.; Torres Papaqui, J.P.; Ven, G. van de; Vilchez, J.M.; Walcher, C. J.; Wild, V.; Wisotzki, L.; Ziegler, B.; Alves, J.; Barrado, D.; Quintana, J.M.; Aceituno, J. (ESO, 2015)
      This paper describes the Second Public Data Release (DR2) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. The data for 200 objects are made public, including the 100 galaxies of the First Public Data Release ...
    • Census of HII regions in NGC 6754 derived with MUSE: Constraints on the metal mixing scale 
      Sánchez, S.; Galbany, Lluis; Pérez, E.; Sánchez Blázquez, P.; Falcón Barroso, J.; Rosales Ortega, F.; Sánchez Menguiano, L.; Marino, R.; Kuncarayakti, Hanindyo; Anderson, J.; Kruehler, T.; Cano Díaz, M.; Barrera Ballesteros, J.; González González, J. (EDP Sciences, 2015)
      We present a study of the HII regions in the galaxy NGC 6754 from a two pointing mosaic comprising 197 637 individual spectra, using integral field spectroscopy recently acquired with the MUSE instrument during its Science ...
    • Central star formation and metallicity in CALIFA interacting galaxies 
      Barrera Ballesteros, J. K.; Sánchez, S. F.; García Lorenzo, B.; Falcón Barroso, J.; Mast, D.; García Benito, R.; Husemann, B.; Ven, G. van de; Iglesias Páramo, J.; Rosales Ortega, F. F.; Pérez Torres, M. A.; Márquez, I.; Kehrig, C.; Marino, R. A.; Vilchez, J. M.; Galbany, Lluis; López Sánchez, Ángel R.; Walcher, C. J. (EDP Sciences, 2015)
      We use optical integral-field spectroscopic (IFS) data from 103 nearby galaxies at different stages of the merging event, from close pairs to merger remnants provided by the CALIFA survey, to study the impact of the ...
    • Characterizing the environments of supernovae with MUSE 
      Galbany, Lluis; Anderson, J. P.; Rosales Ortega, F. F.; Kuncarayakti, Hanindyo; Krühler, T.; Sánchez, S. F.; Falcón Barroso, J.; Pérez, E.; Maureira, J. C.; Hamuy Wackenhut, Mario; González Gaitán, Santiago; Förster Burón, Francisco; Moral, V. (Oxford University Press, 2016)
      We present a statistical analysis of the environments of 11 supernovae (SNe) which occurred in six nearby galaxies (z less than or similar to 0.016). All galaxies were observed with MUSE, the high spatial resolution ...
    • Constraints on core-collapse supernova progenitors from explosion site integral field spectroscopy 
      Kuncarayakti, H.; Anderson, J. P.; Galbany, Lluis; Maeda, K.; Hamuy Wackenhut, Mario; Aldering, G.; Arimoto, N.; Doi, M.; Morokuma, T.; Usuda, T. (EDP Sciences, 2018-05-28)
      Context. Observationally, supernovae (SNe) are divided into subclasses according to their distinct characteristics. This diversity naturally reflects the diversity in the progenitor stars. It is not entirely clear, however, ...
    • Defining photometric peculiar type Ia supernovae 
      González Gaitán, Santiago; Hsiao, Eric; Pignata Libralato, Giuliano; Förster, F; Gutiérrez, C. P.; Bufano, Filomena; Galbany, Lluis; Folatelli, Gastón; Phillips, M. M.; Hamuy Wackenhut, Mario; Anderson, J. P.; De Jaeger, Thomas (The American Astronomical Society., 2014)
      We present a new photometric identification technique for SN 1991bg-like type Ia supernovae (SNe Ia), i.e., objects with light curve characteristics such as later primary maxima and the absence of a secondary peak in ...
    • Discovery of distant RR Lyrae Stars in the Milky Way using DECam 
      Medina, Gustavo E.; Muñoz Vidal, Ricardo Rodrigo; Katherina Vivas, A.; Carlin, Jeffrey L.; Forster, Francisco; Martínez, Jorge; Galbany, Lluis; González Gaitán, Santiago; Hamuy Wackenhut, Mario; De Jaeger, Thomas; Maureira, Juan Carlos; San Martín Aristegui, Jaime (IOP Publishing Ltd, 2018)
      We report the discovery of distant RR Lyrae stars, including the most distant known in the Milky Way, using data taken in the g-band with the Dark Energy Camera as part of the High cadence Transient Survey (HiTS; 2014 ...
    • Early-time light curves of Type Ib/c supernovae from the SDSS-II Supernova Survey 
      Taddia, F.; Sollerman, J.; Leloudas, G.; Stritzinger, M. D.; Valenti, S.; Galbany, Lluis; Kessler, R.; Schneider, D. P.; Wheeler, J. C. (ESO, 2015)
      Context. Type Ib/c supernovae (SNe Ib/c) have been investigated in several single-object studies; however, there is still a paucity of works concerning larger, homogeneous samples of these hydrogen-poor transients, in ...
    • 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 hubble diagram from TYPE II supernovae based solely on photometry: the photometric color method 
      De Jaeger, Thomas; González Gaitán, Sebastián; Anderson, J. P.; Galbany, Lluis; Hamuy Wackenhut, Mario; Phillips, M. M.; Stritzinger, M.; Gutiérrez, C.; Bolt, L.; Burns, C.; Campillay, A.; Castellón, S.; Contreras, C.; Folatelli, Gastón; Freedman, W. L.; Hsiao, Eric; Krisciunas, K.; Krzeminski, W.; Kuncarayakti, Hanindyo; Morrell, N.; Olivares, F.; Persson, S.; Suntzeff, Nicholas B. (The American Astronomical Society, 2015-12-20)
      We present a Hubble diagram of SNe II using corrected magnitudes derived only from photometry, with no input of spectral information. We use a data set from the Carnegie Supernovae Project I for which optical and ...
    • Imprints of galaxy evolution on HII regions Memory of the past uncovered by the CALIFA survey 
      Sánchez, S. F.; Pérez, E.; Rosales Ortega, F.; Miralles Caballero, D.; López Sánchez, Ángel R.; Iglesias Páramo, J.; Marino, R. A.; Sánchez Menguiano, L.; García Benito, R.; Mast, D.; Mendoza, M. A.; Papaderos, P.; Ellis, S.; Galbany, Lluis; Kehrig, C.; Monreal Ibero, A.; González Delgado, R. M.; Mollá, M.; Ziegler, B.; Lorenzo Cáceres, A. de; Mendez Abreu, J.; Bland Hawthorn, J.; Bekeraité, S.; Roth, M. M.; Pasquali, A.; Díaz, A.; Bomans, D.; Ven, G. van de; Wisotzki, L. (EDP Sciences, 2015)
      Context. Hii regions in galaxies are the sites of star formation, so they are special places for understanding the build-up of stellar mass in the universe. The line ratios of this ionized gas are frequently used to ...
    • Investigating the properties of stripped-envelope supernovae; what are the implications for their progenitors? 
      Prentice, S. J.; Ashall, C.; James, P. A.; Short, L.; Mazzali, P. A.; Bersier, D.; Crowther, P. A.; Barbarino, C.; Chen, T.-W.; Copperwheat, C. M.; Darnley, M. J.; Denneau, L.; Elias-Rosa, N.; Fraser, M.; Galbany, Lluis; Gal-Yam, A.; Harmanen, J.; Howell, D. A.; Hosseinzadeh, G.; Inserra , C.; Kankare, E.; Karamehmetoglu, E.; Lamb , G. P.; Limongi, M.; Maguire , K.; McCully , C.; Olivares, F.; Piascik, A. S.; Pignata, G.; Reichart, D. E.; Rest, A.; Reynolds , T.; Rodríguez , O.; Saario, J. L. O.; Schulze, S.; Smartt, S. J.; Smith, K. W.; Sollerman, J.; Stalder, B.; Sullivan, M.; Taddia, F.; Valenti, S.; Vergani, S. D.; Williams, S. C.; Young, D. R. (Oxford University Press, 2019)
      We present observations and analysis of 18 stripped-envelope supernovae observed during 2013-2018. This sample consists of five H/He-rich SNe, sixH-poor/He-rich SNe, three narrow lined SNe Ic, and four broad lined SNe Ic. ...
    • 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 ...
    • Molecular gas in supernova local environments unveiled by EDGE 
      Galbany, Lluis; Mora, L.; González Gaitán, S.; Bolatto, A.; Dannerbauer, H.; López Sánchez, R.; Maeda, K.; Pérez, S.; Pérez Torres, A.; Sánchez, S. F.; Wong, T.; Badenes, C.; Blitz, L.; Marino, R. A.; Utomo, D.; Van de Ven, G. (Oxford University, 2017)
      CO observations allow estimations of the gas content of molecular clouds, which trace thereservoir of cold gas fuelling star formation, as well as to determine extinction via H2col-umn density, N(H2). Here, we studied ...
    • No direct coupling between bending of galaxy disc stellar age and light profiles 
      Ruiz Lara, T.; Pérez, I.; Florido, E.; Sánchez Blázquez, P.; Méndez Abreu, J.; Lyubenova, M.; Falcón Barroso, J.; Sánchez Menguiano, L.; Sánchez, S. F.; Galbany, Lluis; García Benito, R.; González Delgado, R. M.; Husemann, B.; Kehrig, C.; López Sánchez, Ángel R.; Marino, R. A.; Mast, D.; Papaderos, P.; Ven, G. van de; Walcher, C. J.; Zibetti, S. (Oxford University Press, 2016)
      We study the stellar properties of 44 face-on spiral galaxies from the Calar Alto Legacy Integral Field Area survey via full spectrum fitting techniques. We compare the age profiles with the surface brightness distribution ...
    • Observed type II supernova colours from the carnegie supernova project-I 
      De Jaeger, Thomas; Anderson, J. P.; Galbany, Lluis; González Gaitán, Santiago; Hamuy Wackenhut, Mario; Phillips, M. M.; Stritzinger, M. D.; Contreras, C.; Folatelli, Gastón; Gutiérrez, C. P.; Hsiao, E. Y.; Morrell, N.; Suntzeff, Nicholas B.; Dessart, L.; Filippenko, A. V. (Oxford University Press, 2018-06)
      We present a study of observed Type II supernova (SN II) colours using optical/near-infrared photometric data from the Carnegie Supernovae Project-I. We analyse four colours (B - V, u - g, g - r, and g - Y) and find that ...
    • On the dependence of the type Ia SNe luminosities on the metallicity of their host galaxies 
      Moreno Raya, Manuel; Molla, Mercedes; López Sánchez, Ángel R.; Galbany, Lluis; Manuel Vilchez, Jose; Carnero Rosell, Aurelio; Domínguez, Inmaculada (IOP PUBLISHING LTD, 2016)
      The metallicity of the progenitor system producing a type. Ia supernova (SN Ia) could play a role in its maximum luminosity, as suggested by theoretical predictions. We present an observational study to investigate if such ...