Browsing by Author "Ruiz González, María Teresa"

Now showing items 21-40 of 40

    • Millimagnitude photometry for transiting extrasolar planetary candidates - V. Follow-up of 30 OGLE transits. ... 
      Pietrukowicz, P.; Minniti, D.; Díaz, R. F.; Fernández, J. M.; Zoccali, M.; Gieren, W.; Pietrzynski, G.; Ruiz González, María Teresa; Udalski, A.; Szeifert, T.; Hempel Leyton, Marie Claire (ESO, 2010)
      Aims. We used VLT/VIMOS images in the V band to obtain light curves of the extrasolar planetary transits OGLE-TR-111 and OGLE-TR-113 and the candidate planetary transits: OGLE-TR-82, OGLE-TR-86, OGLE-TR-91, OGLE-TR-106, ...
    • The multiwavelength survey by Yale-Chile (MUSYC): Survey design and deep public UBVRIZ ' 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, Martin; Assef, Roberto; Christlein, Daniel; Coppi, Paolo S.; Durán, María Fernanda; Franx, Marijn; Galaz, Gaspar, 1967-; Huerta, Leonor; Liu, Charles; López Morales, Sebastián; Méndez Bussard, René Alejandro; Moore, David C.; Rubio López, Mónica; Ruiz González, María Teresa; Toft, Sune; Yi, Sukyoung K. (UNIV CHICAGO PRESS, 2006-01)
      We present UBVRIz' optical images taken with MOSAIC on the CTIO 4 m telescope of the 0.32 deg(2) Extended Hubble Deep Field-South. This is one of four fields comprising the MUSYC survey, which is optimized for the study ...
    • A new outburst in the extraordinary central star of LMC-N66 
      Peña, Miriam; Ruiz González, María Teresa; Rojo, Patricio; Torres-Peimbert, Silvia; Hamann, Wolf-Rainer (Univ Cgicago Press, 2008-06-20)
      This is the first report on the new outburst presented by the central star of the LMC-N66 nebula. This object was classified as a planetary nebula; however, its true nature is under debate. In the period 1955–1990 the ...
    • OGLE-TR-211 - a new transiting inflated hot Jupiter from the OGLE survey and ESO LP666 spectroscopic follow-up ... 
      Udalski, A.; Pont, F.; Naef, D.; Melo, C.; Bouchy, F.; Santos, N. C.; Moutou, C.; Díaz, R. F.; Gieren, W.; Gillón, M.; Hoyer, Sergio; Mayor, M.; Mazeh, T.; Minniti, D.; Pietrzyński, G.; Queloz, D.; Ramírez, S.; Ruiz González, María Teresa; Tamuz, O.; Udry, S.; Zoccali, Manuela; Kubiak, M.; Szymański, M. K.; Soszyński, I.; Szewczyk, O.; Ulaczyk, K.; Wyrzykowski, Ł. (EDP SCIENCES S A, 2008-04)
      We present results of the photometric campaign for planetary and low-luminosity object transits conducted by the OGLE survey in 2005 season (Campaign #5). About twenty most promising candidates discovered in these data ...
    • On the interpretation of high-velocity white dwarfs as members of the galactic halo 
      Bergeron, P.; Ruiz González, María Teresa; Hamuy Wackenhut, Mario; Leggett, K.; Currie, M. J.; Lajoie, C.-P.; Dufour, P. (2005-06-01)
      A detailed analysis of 32 of the 38 halo white dwarf candidates identified by Oppenheimer et al. is presented, based on model atmosphere fits to observed energy distributions built from optical BVRI and infrared JHK CCD ...
    • 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)
    • 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 ...
    • 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)
    • The sub-stellar birth rate from UKIDSS 
      Day Jones, A. C.; Marocco, F.; Pinfield, D. J.; Zhang, Z. H.; Burningham, B.; Deacon, N.; Ruiz González, María Teresa; Gallardo, J.; Jones, H. R. A.; Lucas, P. W.; Jenkins, James Stewart; Gomes, J.; Folkes, S. L.; Clarke, J. R. A. (Oxford University Press on behalf of the Royal Astronomical Society, 2013)
      We present a new sample of mid-L to mid-T dwarfs with effective temperatures of 1100– 1700 K selected from the UKIDSS Large Area Survey (LAS) and confirmed with infrared spectra from X-shooter/Very Large Telescope . This ...
    • The "666" collaboration on OGLE transits I. Accurate radius of the planets OGLE-TR-10b and OGLE-TR-56b with ... 
      Pont, F.; Moutou, C.; Gillón, M.; Udalski, A.; Bouchy, F.; Fernandes, J. M.; Gieren, W.; Mayor, M.; Mazeh, T.; Minniti, D.; Melo, C.; Naef, D.; Pietrzynski, Grzegorz; Queloz, D.; Ruiz González, María Teresa; Santos, N. C.; Udry, S. (2007)
      Transiting planets are essential to study the structure and evolution of extra-solar planets. For that purpose, it is important to measure precisely the radius of these planets. Here we report new high-accuracy photometry ...
    • The chemical composition of the Galactic HII regions M8 and M17. A revision based on deep VLT echelle ... 
      García Rojas, Jorge; Esteban, C.; Peimbert, A.; Rodríguez, M.; Peimbert, M.; Ruiz González, María Teresa (2007)
      We present new echelle spectrophotometry of the Galactic H II regions M8 and M17. The data have been taken with the VLT UVES echelle spectrograph in the 3100 to 10400 A range. We have measured the intensities of 375 and ...
    • 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 ...
    • Three planetary companions around M67 stars 
      Brucalassi, A.; Pasquini, L.; Saglia, R.; Ruiz González, María Teresa; Bonifacio, P.; Bedin, L. R.; Biazzo, K.; Melo, C.; Lovis, C.; Randich, S. (ESO, 2014)
      For the past six years we have carried out a search for massive planets around main sequence and evolved stars in the open cluster M67, using radial velocity (RV) measurements obtained with HARPS at ESO (La Silla), SOPHIE ...
    • Time-dependent behavior and physical conditions of the LMC planetary nebular N66 
      Peña, M.; Peimbert, M.; Torres Peimbert, S.; Ruiz González, María Teresa; Maza, J. (1995-03-01)
      Optical and UV spectrophotometric data for the planetary nebula N66 in the Large Magellanic Cloud gathered in the 1987-1994 interval are analyzed. The central star, which had a featureless weak continuum, has developed ...
    • A transiting planet among 23 new near-threshold candidates from the OGLE survey⋆ — OGLE-TR-182 
      Pont, F.; Tamuz, O.; Udalski, A.; Mazeh, T.; Bouchy, F.; Melo, C.; Naef, D.; Moutou, C.; Díaz, R.; Gieren, W.; Gillón, M.; Hoyer, Sergio; Kubiak, M.; Mayor, M.; Minniti, D.; Pietrzynski, G.; Queloz, D.; Ramírez, S.; Ruiz González, María Teresa; Santos, N. C.; Soszynski, I.; Szewczyk, O.; Szymanski, M. K.; Udry, S.; Ulaczyk, K.; Wyrzykowski, Ł.; Zoccali, Manuela (Springer Verlag, 2008)
      By re-processing the data of the second season of the OGLE survey for planetary transits and adding new mesurements on the same fields gathered in subsequent years with the OGLE telescope, we have identified 23 new transit ...
    • The Type Ic SN 1990B in NGC 4568 
      Clocchiatti, Alejandro; Suntzeff, Nicholas B.; Phillips, Mark M.; Filippenko, Alexei V.; Turatto, Massimo; Benetti, Stefano; Cappellaro, Enrico; Avilés, Roberto; Covarrubias, Ricardo; DeGiogia Eastwood, K.; Dickinson, Mark.; Gouiffes, Christian; Guhathakurta, Puragra; Hamuy Wackenhut, Mario; Heathcote, Steve R.; Leibundgut, Bruno; Matheson, Thomas; Navarrete, Mauricio; Pérez, M.; Phillips, Andrew; Piemonte, Antonello; Ruiz González, María Teresa; Shields, Joseph C.; Smith, Chris; Spinrad, Hyron; Sturch, Conrad R.; Tyson, J. Anthony; Wells, Lisa (2001-06-01)
      We present a study of the Type Ic supernova (SN) 1990B that includes most of the observations obtained from around the world. The combined data set comprises 84 BV (RI)c photometric points spanning approximately 360 days ...