Browsing by Author "Maza Sancho, José"

Now showing items 61-80 of 81

    • SN 1992bc and SN 1992bo: Evidence for intrinsic differences in type IA supernova luminosities 
      Maza Sancho, José; Hamuy Wackenhut, Mario; Phillips, M. M.; Suntzeff, Nicholas B.; Avilés, R. (UNIV CHICAGO PRESS, 1994-04-01)
      Based on the two best-observed Type Ia supernovae found in the Calan/Tololo Supernova Search, in this Letter we present convincing evidence that Type la supernovae with a fast rate of decline in the B band are intrinsically ...
    • SN 1992K - a twin to the subluminous type ia SN 1991bg 
      Hamuy Wackenhut, Mario; Phillips, M. M.; Maza Sancho, José; Suntzeff, Nicholas B.; Della Valle, Massimo; Danzinger, J.; Antezana, Roberto; Wischnjewsky, M.; Avilés, Roberto; Schommer, Robert A.; Kim, Y. C.; Wells, Lisa A.; Ruiz González, María Teresa; Prosser, Charles F.; Krzeminski, W.; Baylin, Charles D.; Hartigan, Patrick; Hughes, Joanne (1994-12)
      We present spectroscopic and photometric data for SN 1992K, a Type Ia event found in the course of the Calan/Tololo supernova survey. These data show an impressive similarity with the spectra and light curves of the atypical ...
    • SN 2009bb: A PECULIAR BROAD-LINED TYPE Ic SUPERNOVA 
      Pignata Libralato, Giuliano; Stritzinger, Maximilian; Soderberg, Alicia; Mazzali, Paolo; Phillips, M. M.; Morrell, Nidia; Anderson, Joseph P.; Boldt, Luis; Campillay, Abdo; Contreras, Carlos; Folatelli, Gastón; Förster, Francisco; González Tagle, Sergio; Hamuy Wackenhut, Mario; Krzeminski, Wojtek; Maza Sancho, José; Roth, Miguel; Salgado, Francisco; Levesque, Emily M.; Rest, Armin; Crain, J. Adam; Foster, Andrew C.; Haislip, Joshua B.; Ivarsen, Kevin M.; LaCluyze, Aaron P.; Nysewander, Melissa C.; Reichart, Daniel E. (2011-02-10)
      Ultraviolet, optical, and near-infrared photometry and optical spectroscopy of the broad-lined Type Ic supernova (SN) 2009bb are presented, following the flux evolution from -10 to +285 days past B-band maximum. Thanks to ...
    • 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 ...
    • Southern ultraluminous infrared galaxies: An optical and infrared database 
      Duc, P. A.; Mirabel, I. F.; Maza Sancho, José (1997)
      We have carried out an optical and infrared study of 24 ultraluminous infrared galaxies in the southern hemisphere (SULIRGs). This flux limited, complete sample, has been extracted from the redshift survey of IRAS ...
    • The space density and colors of massive galaxies at 2 < z < 3: The predominance of distant red galaxies 
      van Dokkum, Pieter; Quadri, R.; Marchesini, D.; Rudnick, G.; Franx, M.; Gawiser, E.; Herrera, D.; Wuyts, S.; Lira Teillery, Paulina; Labbé, I.; Maza Sancho, José; Illingworth, G. D.; Schreiber, N. M. Förster; Kriek, M.; Rix, H.-W.; Taylor, E. N.; Toft, S.; Webb, T.; Yi, S. K. (UNIV CHICAGO PRESS, 2006-02-20)
      Using the deep multiwavelength MUSYC, GOODS, and FIRES surveys we construct a stellar mass-limited sample of galaxies at 2 ! z ! 3. The sample comprises 294 galaxies with M 1 1011 M distributed over four , independent ...
    • Spectrophotometric data of the central star of the large Magellanic Cloud planetary nebula N66: Quantitative ... 
      Peña, M.; Hamann, W. R.; Koesterke, L.; Maza Sancho, José; Méndez, R. H.; Peimbert, M.; Ruiz González, María Teresa; Torres Peimbert, S. (1997-12-10)
      Hubble Space Telescope, IUE, and ground-based observations of the central star of the LMC planetary nebula N66 (CS N66), obtained in di†erent epochs, are presented. Since 1990, CS N66 has displayed remarkable short- and ...
    • SPECTROPHOTOMETRY OF THE NEW COMMON-PROPER-MOTION PAIR ESO 440-55A/55B 
      Ruiz González, María Teresa; Maza Sancho, José (AMER INST PHYSICS, 1988-12)
    • Spectroscopy of the nuclear emission-line regions of the two newly detected Seyfert 1 galaxies F10.01 and A08.12 
      Rodríguez Ardila, Alberto; Pastoriza, Miriani G.; Maza Sancho, José (1998-02-10)
      Long-slit medium-resolution spectra are used to study the continuum and ionization properties of the gas in the Seyfert 1 galaxies F10.01 and A08.12. We Ðnd that the nuclear underlying continuum can be described by a ...
    • 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 ...
    • The Standardized Candle Method for Type II Plateau Supernovae 
      Olivares E., Felipe; Hamuy Wackenhut, Mario; Pignata Libralato, Giuliano; Maza Sancho, José; Bersten, Melina; Phillips, Mark M.; Suntzeff, Nicholas B.; Filippenko, Alexei V.; Morrel, Nidia I.; Kirshner, Robert P.; Matheson, Thomas (2010-04-15)
      In this paper we study the “standardized candle method” using a sample of 37 nearby (redshift z < 0.06) Type II plateau supernovae having BV RI photometry and optical spectroscopy. An analytic procedure is implemented ...
    • Star formation in distant red galaxies: Spitzer observations in the Hubble Deep Field-South 
      Webb, Tracy M. A.; van Dokkum, Pieter; Egami, Eiichi; Fazio, Giovanni; Franx, Marijn; Gawiser, Eric; Herrera, David; Huang, Jiasheng; Labbé, Ivo; Lira Teillery, Paulina; Marchesini, Danilo; Maza Sancho, José; Quadri, Ryan; Rudnick, Gregory; Werf, Paul van der (UNIV CHICAGO PRESS, 2006-01-01)
      We present Spitzer 24 mu m imaging of 1.5 < z < 2.5 distant red galaxies (DRGs) in the 10' x 10' extended Hubble Deep Field-South of the Multiwavelength Survey by Yale-Chile. We detect 65% of the DRGs with K-AB < 23.2 mag ...
    • Supernovas 
      Hamuy Wackenhut, Mario; Maza Sancho, José (Ediciones B, 2008)
      El siglo XX trajo enormes adelantos gracias a la investigación científica y sus aplicaciones tecnológicas. La ciencia ejercerá también un papel clave en el desarrollo de los países en el siglo XXI. Chile tiene una posición ...
    • THE MULTIWAVELENGTH SURVEY BY YALE-CHILE (MUSYC): SURVEY DESIGN AND DEEP PUBLIC UBVRIz0 IMAGES AND CATALOGS ... 
      Gawiser, Eric; van Dokkum, Pieter; Herrera, David; Maza Sancho, José; Castander, Francisco; Infante, Leopoldo; Lira Teillery, Paulina; Quadri, Ryan; Toner, Ruth; Treister, Ezequiel; Urry, C. Megan; Altmann, Martín; Assef, Roberto; Christlein, Daniel; Coppi, Paolo; Durán, María Fernanda; Marijn, Franx; Galaz, Gaspar, 1967-; Huerta, Leonor; Charles, Liu; López Morales, Sebastián; Méndez Bussard, René Alejandro; Moore, David C.; Rubio López, Mónica; Ruiz González, María Teresa; Sune, Toft; Sukyoung K., Yi (IOP Publishing., 2006-01)
      We present UBVRIz0 optical images taken with MOSAIC on the CTIO 4 m telescope of the 0.32 deg2 Extended Hubble Deep Field–South. This is one of four fields comprising the MUSYC survey, which is optimized for the study ...
    • A thermal pulse in progress in the nucleus of the LMC planetary nebula N66 
      Peña, M.; Torres Peimbert, S.; Peimbert, M.; Ruiz González, María Teresa; Maza Sancho, José (1994-06-10)
      Optical and spectrophotometric ata, gathered in the 1987-1994 interval, are presented for the planetary nebula N66 (WS 35 or SMP 83) in the Large Magellanic Cloud. These data show that the central star has suffered dramatic ...
    • Tomography of the intergalactic medium with Ly alpha forests in close QSO pairs 
      D'Odorico, V.; Viel, M.; Saitta, F.; Cristiani, S.; Bianchi, S.; Boyle, B.; López, S.; Maza Sancho, José; Outram, P. (BLACKWELL, 2006-11-01)
      We study the three-dimensional distribution of non-virialized matter at z similar to 2 using high-resolution spectra of quasi-stellar object (QSO) pairs and simulated spectra drawn from cosmological hydrodynamical simulations. ...
    • Tomography of the intergalactic medium with Lyα forests in close QSO pairs 
      D’Odorico, V.; Viel, M.; Saitta, F.; Cristiani, S.; Bianchi, S.; Boyle, B.; López, S.; Maza Sancho, José; Outram, P. (2006)
      We study the three-dimensional distribution of non-virialized matter at z ∼ 2 using highresolution spectra of quasi-stellar object (QSO) pairs and simulated spectra drawn from cosmological hydrodynamical simulations.We ...
    • UBVRI photoelectric photometry in the fields of 15 active galaxies 
      Hamuy Wackenhut, Mario; Maza Sancho, José (The Astronomical journal, 97: 720-725, 1989, 1989-03)
      UVBRI photoelectric sequences for fifteen AGNs were obtained with 0.6, 0.9, and 1-m telescopes. The data include 473 observations for 118 stars, giving an average of 4.0 observations per star, and 7.9 stars per sequence. ...
    • 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), ...
    • Ultraviolet Fe II emission in z ∼ 2 quasars 
      Sameshima, H.; Maza Sancho, José; Matsuoka, Y.; Oyabu, S.; Kawara, K.; Yoshii, Y.; Asami, N.; Ienaka, N.; Tsuzuki, Y. (WILEY-BLACKWELL PUBLISHING, 2009)
      We present spectra of six luminous quasars at z ∼ 2, covering rest wavelengths 1600−3200 Å. The fluxes of the UV Fe II emission lines and MgII λ2798 doublet, the line widths of Mg II and the 3000 Å luminosity were obtained ...