Browsing by Author "Lira Teillery, Paulina"

Now showing items 41-60 of 68

    • Multiwavelength study of the nuclei of a volume-limited sample of galaxies - II. Optical, infrared and radio ... 
      Lira Teillery, Paulina (2007-12-21)
      We present optical and infrared broad-band images, radio maps, and optical spectroscopy for the nuclear region of a sample of nearby galaxies. The galaxies have been drawn from a complete volume-limited sample for which ...
    • 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 ...
    • The Multiwavelength Survey by Yale-Chile (MUSYC): Wide K-band imaging, photometric catalogs, clustering, ... 
      Blanc Mendiberri, Guillermo; Lira Teillery, Paulina; Barrientos, L. Felipe; Aguirre, Paula; Francke Henriquez, Harold; Taylor, Edward N.; Quadri, Ryan; Marchesini, Danilo; Infante, Leopoldo; Gawiser, Eric; Hall, Patrick B.; Willis, Jon P.; Herrera, David; Maza Sancho, José (UNIV CHICAGO PRESS, 2008-07-10)
      We present K-band imaging of two similar to 30' x 30' fields covered by the Multiwavelength Survey by Yale-Chile (MUSYC) Wide NIR Survey. The SDSS 1030+05 and Cast 1255 fields were imaged with the Infrared Side Port Imager ...
    • A near-infrared spectroscopic survey of K-selected galaxies at z similar to 2.3: Redshifts and implications ... 
      Kriek, Mariska; van Dokkum, Pieter; Franx, Marijn; Illingworth, Garth D.; Marchesini, Danilo; Quadri, Ryan; Rudnick, Gregory; Taylor, Edward N.; Schreiber, Natascha M. Foerster; Gawiser, Eric; Labbé, Ivo; Lira Teillery, Paulina; Wuyts, Stijn (UNIV CHICAGO PRESS, 2008-04-10)
      Using the Gemini Near-Infrared Spectrograph (GNIRS), we have completed a near-infrared spectroscopic survey for K-bright galaxies at z similar to 2.3 selected from the MUSYC survey. We derived spectroscopic redshifts from ...
    • A New Look at Quasar Accretion Disks 
      Capellupo, Daniel M.; Netzer, Hagai; Lira Teillery, Paulina; Trakhtenbrot, Benny; Mejía Restrepo, Julián (International Astronomical Union, 2013)
      The physics of active black holes (BHs) is governed by three key parameters: their mass, spin, and accretion rate. Understanding the cosmic evolution of these parameters is crucial for tracing back the growth of the BHs ...
    • The Nuclear Near-Infrared Spectral Properties of Nearby Galaxies 
      Mason, R. E.; Rodríguez-Ardila, A.; Martins, L.; Riffel, R.; González Martín, O.; Ramos Almeida, C.; Ruschel Dutra, D.; Ho, L. C.; Thanjavur, K.; Flohic, H.; Alonso Herrero, A.; Lira Teillery, Paulina; McDermid, R.; Riffel, R. A.; Schiavon, R. P.; Winge, C.; Hoenig, M. D.; Perlman, E. (2015-03)
      We present spectra of the nuclear regions of 50 nearby (D = 1–92 Mpc, median = 20 Mpc) galaxies of morphological types E to Sm. The spectra, obtained with the Gemini Near-IR Spectrograph on the Gemini North telescope, ...
    • Optical and near-IR long-term monitoring of NGC 3783 and MR 2251−178: evidence for variable near-IR emission ... 
      Lira Teillery, Paulina; Arévalo, P.; Uttley, P.; McHardy, I.; Breedt, E. (WILEY-BLACKWELL, 2011-08)
      We present the long-term near-IR light curves for two nearby active galactic nuclei (AGN), NGC 3783 and MR 2251−178. The near-IR data are complemented by optical photometry obtained over the same period of time. The light ...
    • The optical counterpart of the ultraluminous X-ray source NGC 5204 X-1 
      Goad, M. R.; Roberts, T. P.; Knigge, C.; Lira Teillery, Paulina (2002)
      We use archival HST/WFPC2 V- and I-band images to show that the optical counterpart to the ultraluminous X-ray source NGC 5204 X-1, reported by Roberts et al., is composed of two sources separated by 0.5 arcsec.We have ...
    • The optical–infrared colors of corals qsos: searching for dust reddening associated with high-redshift ... 
      Ellison, Sara L.; Hall, Patrick B.; Lira Teillery, Paulina (2005-11)
      The presence of dust in quasar absorbers, such as damped Ly (DLA) systems, may cause the background QSO to appear reddened.We investigate the extent of this potential reddening by comparing the optical-to-infrared colors ...
    • 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 ...
    • Safari: bridging the Gap between radial velocity and direct imaging 
      Pantoja, Blake M (Universidad de Chile, 2019)
      El método de velocidades radiales ha sido muy productivo en la búsqueda de exoplanetas, comenzando con el descubrimiento de 51 Peg b en 1995 hasta los aproximadamente 800 planetas detectados por este método al día de hoy. ...
    • Searching for RR Lyrae in distant galactic fields using UltraVISTA and SUDDS 
      Yovaniniz Letelier, María Constanza (Universidad de Chile, 2018)
      Buscamos estrellas tipo RR Lyrae en zonas distantes del halo de la Vía Láctea utilizando datos ya existentes: UltraVISTA, una campaña con observaciones en el infrarojo cercano diseñada para obtener imágenes profundas del ...
    • Short time-scale optical variability of the dwarf Seyfert nucleus in NGC 4395 
      Skelton, J. E.; Lawrence, A.; Pappa, A.; Lira Teillery, Paulina; Almaini, O. (RAS, 2004-10-14)
      We present optical spectroscopic observations of the least-luminous known Seyfert 1 galaxy, NGC 4395, which was monitored every half-hour over the course of three nights. The continuum emission varied by ∼35 per cent ...
    • 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 ...
    • Spectral analysis of Type II Supernovae 
      Gutiérrez Avendaño, Claudia Patricia (Universidad de Chile, 2016)
      La idea principal de esta tesis es el análisis de los espectros ópticos de las supernovas de tipo II (SNs II) y sus correlaciones con los parámetros fotométricos. Este análisis se basa en la caracterización de la diversidad ...
    • Spectroscopic identification of massive galaxies at z similar to 2.3 with strongly suppressed star formation 
      Kriek, Mariska; van Dokkum, Pieter; Franx, Marijn; Quadri, Ryan; Gawiser, Eric; Herrera, David; Illingworth, Garth D.; Labbé, Ivo; Lira Teillery, Paulina; Marchesini, Danilo; Rix, Hans-Walter; Rudnick, Gregory; Taylor, Edward N.; Toft, Sune; Urry, C. Megan; Wuyts, Stijn (UNIV CHICAGO PRESS, 2006-10-01)
      We present first results of a spectroscopic survey targeting K-selected galaxies at using the Gemini z = 2.0 - 2.7 near-infrared spectrograph (GNIRS). We obtained near-infrared spectra with a wavelength coverage of 1.0 - ...
    • Spitzer number counts of active galactic nuclei in the goods fields 
      Treister, Ezequiel; Urry, C. Megan; Van Duyne, Jeffrey; Dickinson, Mark; Chary, Ranga-Ram; Alexander, David M.; Bauer, Franz Erik; Natarajan, Priya; Lira Teillery, Paulina; Grogin, Norman A. (IOP PUBLISHING, 2006-04-01)
      We present mid-infrared observations of active galactic nuclei (AGNs) in the GOODS fields, performed with the Spitzer Space Telescope. These are the deepest infrared and X-ray fields to date and cover a total area of similar ...
    • Star formation and black hole growth at z 4.8 
      Netzer, Hagai; Mor, Rivay; Trakhtenbrot, Benny; Shemmer, Ohad; Lira Teillery, Paulina (The American Astronomical Society, 2014-08-08)
      We report Herschel/SPIRE, Spitzer and Wide-field Infrared Survey Explorer observations of 44 z 4.8 optically selected active galactic nuclei (AGNs). This flux-limited sample contains the highest mass black holes (BHs) ...
    • 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 ...