Browsing by Author "Maza Sancho, José"

Now showing items 41-60 of 81

    • The Nucleus of C16.16: Another Case of a Double-peaked Active Galactic Nucleus 
      Rodriguez-Ardila, A.; Pastoriza, M. G.; Bica, Eduardo; Maza Sancho, José (American Astronomical Society, 1996-06)
      We study optical spectra in high and low activity states of the faint, distant Seyfert 1 galaxy C16.16. A strong stellar population contribution to the continuum is observed, even in the high-state spectrum. The low- ...
    • Optical and infrared observations of SN 2002dj: some possible common properties of fast-expanding Type Ia ... 
      Pignata Libralato, Giuliano; Benetti, Stefano; Mazzali, Paolo; Kotak, Rubina; Patat, F.; Meikle, P.; Stehle, M.; Leibundgut, B.; Suntzeff, Nicholas B.; Buson, L. M.; Cappellaro, E.; Clocchiatti, A.; Hamuy Wackenhut, Mario; Maza Sancho, José; Mendez, J.; Ruiz Lapuente, P.; Salvo, M.; Schmidt, Brian P.; Turatto, M.; Hillebrandt, W. (BLACKWELL PUBLISHING, 2008-08-11)
      As part of the European Supernova Collaboration, we obtained extensive photometry and spectroscopy of the Type Ia supernova (SN Ia) SN 2002dj covering epochs from 11 d before to nearly two years after maximum. Detailed ...
    • Optical and infrared photometry of the nearby Type Ia supernovae 1999ee, 2000bh, 2000ca, and 2001ba 
      Krisciunas, Kevin; Phillips, Mark M.; Suntzeff, Nicholas B.; Persson, S. E.; Hamuy Wackenhut, Mario; Antezana, Roberto; Candia, Pablo; Clocchiatti, Alejandro; L. DePoy, Darren; Germany, Lisa M.; Gonzalez, Luis; Gonzalez, Sergio; Krzeminski, Wojtek; Maza Sancho, José; Nugent, Peter E.; Qiu, Yulei; Rest, Armin; Roth, Miguel; Stritzinger, Maximilian; Strolger, L. G.; Thompson, Ian; Williams, T. B.; Wischnjewsky, Marina (IOP Publishing, 2004-03)
      We present near-infrared photometry of the Type Ia supernova (SN) 1999ee; also, optical and infrared photometry of the Type Ia SNe 2000bh, 2000ca, and 2001ba. For SNe 1999ee and 2000bh, we present the first-ever SN ...
    • Optical and infrared spectroscopy of SN 1999ee and SN 1999ex 
      Hamuy Wackenhut, Mario; Maza Sancho, José; Pinto, Philip A.; Phillips, M. M.; Suntzeff, Nicholas B.; Blum, R. D.; Olsen, K. A. G.; Pinfield, David J.; Ivanov, Valentin D.; Augusteijn, T.; Brillant, S.; Chadid, M.; Cuby, J. G.; Doublier, V.; Hainaut, O. R.; Le Floc’h, E.; Lidman, C.; Petr Gotzens, Monika G.; Pompei, E.; Vanzi, L. (2009-07)
      We report optical and infrared spectroscopic observations of the Type Ia SN 1999ee and the Type Ib/c SN 1999ex, both of which were hosted by the galaxy IC 5179. For SN 1999ee we obtained a continuous sequence with an ...
    • Optical light curve of the Type Ia supernova 1998bu in M96 and the supernova calibration of the Hubble constant 
      Suntzeff, Nicholas B.; Phillips, M. M.; Covarrubias, R.; Navarrete, M.; Pérez, J. J.; Guerra, A.; Acevedo, M. T.; Doyle, Laurence R.; Harrison, Thomas; Kane, Stephen; Long, Knox S.; Maza Sancho, José; Miller, Scot; Piatti, Andrés E.; Claría, Juan J.; Ahumada, Andrea V.; Pritzl, Barton; Winkler, P. Frank (1999-03)
      We present the UBV (RI) light curves of the Type Ia supernova SN 1998bu, which appeared in the nearby galaxy M96 (NGC K3C368). M96 is a spiral galaxy in the Leo I group that has a Cepheid-based distance. Our photometry ...
    • The optical light curves of SN 1980N and SN 1981D in NGC 1316 (Fornax A) 
      Hamuy Wackenhut, Mario; Phillips, M. M.; Maza Sancho, José; Wischnjewsky, Marina; Uomoto, Alan; Landolt, Arlo U.; Khatwani, Rani (1991)
      We present optical photometry of the two supernovae, 1980N and 1981D, which appeared in the peculiar D-type galaxy NGC 1316 (Fornax A). These data are combined with published observations to produce definitive optical light ...
    • Optical light curves of the type Ia supernovae SN 1990N and SN 1991T 
      Lira Teillery, Paulina; Suntzeff, Nicholas B.; Phillips, M. M.; Hamuy Wackenhut, Mario; Maza Sancho, José; Schommer, R. A.; Smith, R. C.; Wells, Lisa A.; Avilés, R.; Baldwin, J. A.; Elias, J. H.; González, L.; Layden, A. C.; Navarrete, M.; Ugarte, P.; Walker, Alistair R.; Williger, Gerard M.; Baganoff, F. K.; Crotts, Arlin P. S.; Rich, R. Michael; Tyson, N. D.; Dey, A.; Guhathakurta, P.; Hibbard, J.; Kim, Y. C.; Rehner, Daniel M.; Siciliano, E.; Roth, Joshua; Seitzer, Patrick; Williams, T. B. (UNIV CHICAGO PRESS., 1998-01)
      We present UBV RI light curves for the bright Type Ia supernovae SN 1990N in NGC 4639 and SN 1991T in NGC 4527, based on photometry gathered in the course of the Cala n/Tololo supernova program. Both objects have ...
    • Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179 
      Stritzinger, Maximiliam; Hamuy Wackenhut, Mario; Suntzeff, Nicholas B.; Smith, R. C.; Phillips, M. M.; Maza Sancho, José; Strolger, L. G.; Antezana, Roberto; González, Luis; Wischnjewsky, Marina; Candia, Pablo; Espinoza, Juan; González, David; Stubbs, Christopher; Becker, A. C.; Rubenstein, Eric P.; Galaz, Gaspar, 1967- (2002-10)
      We present UBVRIz light curves of the Type Ia SN 1999ee and the Type Ib/c SN 1999ex, both located in the galaxy IC 5179. SN 1999ee has an extremely well-sampled light curve spanning from 10 days before Bmax through 53 ...
    • 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. ...
    • Persistent Cii Absorption In the Normal TYPE Ia Supernova 2002fk∗ 
      Cartier Ugarte, Regis; Hamuy Wackenhut, Mario; Pignata Libralato, Giuliano; Förster, Francisco; Zelaya, Paula; Folatelli, Gastón; Phillips, Mark M.; Morrell, Nidia; Krisciunas, Kevin; Suntzeff, Nicholas B.; Clocchiatti, Alejandro; Coppi, Paolo; Contreras, Carlos; Roth, Miguel; Koviak, Kathleen; Maza Sancho, José; González, Luis; González, Sergio; Huerta, Leonor (The American Astronomical Society, 2014-07-01)
      We present well-sampled UBVRIJHK photometry of SN 2002fk starting 12 days before maximum light through 122 days after peak brightness, along with a series of 15 optical spectra from −4 to +95 days since maximum. ...
    • PHOTOMETRY AND SPECTROSCOPY OF GRB 030329 AND ITS ASSOCIATED SUPERNOVA 2003dh: THE FIRST TWO MONTHS 
      Matheson, Thomas; Garnavich, P. M.; Stanek, k. z.; Bersier, D.; Holland, S. T.; Krisciunas, K.; Caldwell, N.; Berlind, P.; Bloom, J. S.; Bolte, M.; Bonanos, A. Z.; Brown, M. J. I.; Brown, W. R.; Calkins, M. L.; Challis, P.; Chornock, R.; Echevarria, L.; Eisenstein, D. J.; Everett, M. E.; Filippenko, A. V.; Flint, K.; Foley, R. J.; Freedman, D. .L.; Hamuy Wackenhut, Mario; Harding, P.; Hathi, N. P.; Hicken, M.; Hoopes, C.; Impey, C.; Jannuzi, B. T.; Jansen, R. A.; Jha, S.; Kaluzny, J.; Kannappan, S.; Kirshner, R. P.; Latham, D. W.; Lee, J. C.; Leonard, D. .C.; Li, W.; Luhman, K. L.; Martini, P.; Mathis, H.; Maza Sancho, José; Megeath, S. T.; Miller, L. R.; Minniti, D.; Olszewski, E. W.; Papenkova, M.; Phillips, M. M.; Pindor, B.; Sasselov, D. D.; Schild, R.; Schweiker, H.; Spahr, T.; Thomas-Osip, J.; Thompson, I.; Weisz, D.; Windhorst, R.; Zaritsky, D. (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY,, 2003-12-10)
      We present extensive optical and infrared photometry of the afterglow of gamma-ray burst (GRB) 030329 and its associated supernova (SN) 2003dh over the first two months after detection (2003March 30–May 29 UT). Optical ...
    • The physical nature of Ly alpha-emitting galaxies at z=3.1 
      Gawiser, Eric; van Dokkum, Pieter; Gronwall, Caryl; Ciardullo, Robin; Blanc Mendiberri, Guillermo; Castander, Francisco; Feldmeier, John; Francke Henriquez, Harold; Franx, Marijn; Haberzettl, Lutz; Herrera, David; Hickey, Thomas; Infante, Leopoldo; Lira Teillery, Paulina; Maza Sancho, José; Quadri, Ryan; Richardson, Alexander; Schawinski, Kevin; Schirmer, Mischa; Taylor, Edward N.; Treister, Ezequiel; Urry, C. Megan; Virani, Shanil N. (UNIV CHICAGO PRESS, 2006-05-01)
      We selected 40 candidate Ly alpha-emitting galaxies ( LAEs) at z similar or equal to 3.1 with observed-frame equivalent widths greater than 150 and inferred emission-line fluxes above 2.5 x 10(-17) ergs cm(-2) s(-1) from ...
    • THE PHYSICAL NATURE OF Lya-EMITTING GALAXIES AT zp 3.1 
      Gawiser, Eric; Van Dokkum, Pieter G.; Gronwall, Caryl; Ciardullo, Robin; Blanc Mendiberri, Guillermo; Castander, Francisco J.; Fieldmeier, John; Francke Henriquez, Harold; Franx, Marijn; Haberzettl, Lutz; Herrera, David; Hickey, Thomas; Infante, Leopoldo; Lira Teillery, Paulina; Maza Sancho, José; Quadri, Ryan; Richardson, Alexander; Schawinski, Kevin; Schirmer, Mischa; Taylor, Edward N.; Treister, Ezequiel; Urry, C. Megan; Virani, Shanil N. (2006-05-01)
      We selected 40 candidate Lya-emitting galaxies (LAEs) at z 3.1 with observed-frame equivalent widths greater than 150 and inferred emission-line fluxes above 2.5#10 17 ergs cm 2 s 1 from deep narrowband and °A broadband ...
    • Proper motion of the Large Magellanic Cloud using QSOs as an inertial reference system: The Q0459-6427 field 
      Pedreros, Mario H.; Anguita, Claudio; Maza Sancho, José (2002-04)
      The proper motion of the Large Magellanic Cloud relative to one background quasi-stellar object is determined using 44 CCD frames obtained from 1989.0 to 2000.0 at the Cassegrain focus of the Cerro Tololo Inter-American ...
    • A proper motion survey. I. hyades and UMa moving groups 
      Méndez Bussard, René Alejandro; Ruiz González, María Teresa; Maza Sancho, José; Wischnjewsky, M. (1992-03)
      We analyze the results of a proper motion survey in a couple of ESO R 5° X 5° fields, finding evidence for faint (and primarily red) members of the Hyades and UMa moving groups. By the velocity ellipsoid of the Hyades and ...
    • PROPER MOTIONS IN THE SOUTHERN ESO AREA-207, AREA-439, AND AREA-440 
      Ruiz González, María Teresa; Takamiya, Marianne Y.; Méndez Bussard, René Alejandro; Maza Sancho, José; Wishnjewsky, Marina (AMER INST PHYSICS, 1993-12)
    • PROPER-MOTION SURVEY .1. COMMON-PROPER-MOTION SYSTEMS IN ESO AREAS 439 AND 440 
      Ruiz González, María Teresa; Maza Sancho, José (AMER INST PHYSICS, 1990-03)
    • THE REDDENING-FREE DECLINE RATE VERSUS LUMINOSITY RELATIONSHIP FOR TYPE Ia SUPERNOVAE 
      Phillips, M. M.; Lira Teillery, Paulina; Suntzeff, Nicholas B.; Schommer, R. A.; Hamuy Wackenhut, Mario; Maza Sancho, José (1999-10)
      We develop a method for estimating the host galaxy dust extinction for type Ia supernovae based on an observational coincidence Ðrst noted by Lira, who found that the B[V evolution during the period from 30 to 90 days ...
    • Slit spectroscopy of nine new z > 3 southern QSOs: Damped Ly alpha and Lyman-limit systems 
      López Morales, Sebastián; Maza Sancho, José; Masegosa, J.; Marquez, I. (EDP SCIENCES S.A., 2001-02)
      We present FWHM = 5 to 8 Angstrom optical spectra of nine previously unknown quasars (QSOs) drawn from the Calan/Tololo Survey. We have chosen this sample based on QSO redshift, z > 3, and the presence of either candidate ...
    • SN 1991bg - A type IA supernova with a difference 
      Leibundgut, Bruno; Kirshner, Robert P.; Phillips, Mark M.; Wells, Lisa A.; Suntzeff, Nicholas B.; Hamuy Wackenhut, Mario; Schommer, R. A.; Walker, A. R.; Gonzalez, L.; Ugarte, P.; Williams, R. E.; Williger, G.; Gómez, Mercedes; Marzke, Ronald; Schmidt, Brian P.; Whitney, Barbara; Coldwell, Nelson; Peters, J.; Chaffee, F. H.; Foltz, Craig B.; Rehner, D.; Siciliano, L.; Barnes, T. G.; Cheng, K. P.; Hintzen, P. M. N.; Kim, Y. C.; Maza Sancho, José; Parker, J. Wm.; Porter, A. C.; Schmidtke, P. C.; Sonneborn, George (American Astronomical Society, 1993-01)
      We present 13 spectra and 31 photometric observations covering the first 150 days of SN 1991bg in NGC 4374 (M 84). Although SN 1991bg was a type Ia supernova displaying the characteristic Si II absorption at 6150 angstrom ...