Browsing FAS Scholarly Articles by Keyword "galaxies: starburst"

Now showing items 1-8 of 8

    • Evidence for a Geometrically Thick Self‐Gravitating Accretion Disk in NGC 3079 

      Kondratko, Paul T.; Greenhill, Lincoln Jared; Moran, James M. (IOP Publishing, 2005)
      We have mapped, for the first time, the full velocity extent of the water maser emission in NGC 3079. The largely north-south distribution of emission, aligned with a kpc-scale molecular disk, and the segregation of blue- ...

    • Giant gamma-ray bubbles from Fermi-LAT: active galactic nucleus activity or bipolar galactic wind? 

      Su, Meng; Slatyer, Tracy R.; Finkbeiner, Douglas (IOP Publishing, 2010)
      Data from the Fermi-LAT reveal two large gamma-ray bubbles, extending 50° above and below the Galactic center (GC), with a width of about 40° in longitude. The gamma-ray emission associated with these bubbles has a ...

    • Modeling Mid-Infrared Diagnostics of Obscured Quasars and Starbursts 

      Snyder, Gregory; Hayward, Christopher C.; Sajina, Anna; Jonsson, Patrik; Cox, Thomas J.; Hernquist, Lars Eric; Hopkins, Philip F.; Yan, Lin (IOP Publishing, 2013)
      We analyze the link between active galactic nuclei (AGNs) and mid-infrared flux using dust radiative transfer calculations of starbursts realized in hydrodynamical simulations. Focusing on the effects of galaxy dust, we ...

    • Modeling the Dust Properties of z ~ 6 Quasars with ART2—All-Wavelength Radiative Transfer with Adaptive Refinement Tree 

      Li, Yuexing; Hopkins, Philip F.; Hernquist, Lars Eric; Finkbeiner, Douglas; Cox, Thomas J.; Springel, Volker; Jiang, Linhua; Fan, Xiaohui; Yoshida, Naoki (IOP Publishing, 2008)
      The detection of large quantities of dust in z ~ 6 quasars by infrared and radio surveys presents puzzles for the formation and evolution of dust in these early systems. Previously, Li et al. showed that luminous quasars ...

    • Panchromatic properties of 99 000 galaxies detected by SDSS, and (some by) ROSAT, GALEX, 2MASS, IRAS, GB6, FIRST, NVSS and WENSS surveys 

      Obrić, M.; Ivezić, Ž; Best, P. N.; Lupton, R. H.; Tremonti, C.; Brinchmann, J.; Agüeros, M. A.; Knapp, G. R.; Gunn, J. E.; Rockosi, C. M.; Schlegel, D.; Finkbeiner, Douglas; Gaćeša, M.; Smolčić, V.; Anderson, S. F.; Voges, W.; Jurić, M.; Siverd, R. J.; Steinhardt, W.; Jagoda, A. S.; Blanton, M. R.; Schneider, D. P. (Oxford University Press (OUP), 2006)
      We discuss the panchromatic properties of 99 088 galaxies selected from the Sloan Digital Sky Survey (SDSS) Data Release 1 ‘main’ spectroscopic sample (a flux-limited sample for 1360 deg2). These galaxies are positionally ...

    • SDSS J103913.70+533029.7: A Super Star Cluster in the Outskirts of a Galaxy Merger 

      Knapp, Gillian R.; Tremonti, Christy A.; Rockosi, Constance M.; Schlegel, David J.; Yanny, Brian; Beers, Timothy C.; Allende Prieto, Carlos; Wilhelm, Ron; Lupton, Robert H.; Gunn, James E.; Niederste-Ostholt, Martin; Schneider, Donald P.; Covey, Kevin; Seth, Anil; Ivezic, Zeljko; Eisenstein, Daniel J.; Helmboldt, Joe; Finkbeiner, Douglas; Padmanabhan, Nikhil; Kleinman, Scot J.; Long, Dan; Snedden, Stephanie A.; Nitta, Atsuko; Harvanek, Michael; Krzesinski, Jurek; Brewington, Howard J.; Barentine, John C.; Newman, Peter R.; Nielsen, Jr., Eric H.; Fukugita, Masataka; Brinkmann, J. (IOP Publishing, 2006)
      We describe the serendipitous discovery in the spectroscopic data of the Sloan Digital Sky Survey of a starlike object, SDSS J103913.70+533029.7, at a heliocentric radial velocity of +1012 km s-1. Its proximity in position ...

    • Submillimetre galaxies in a hierarchical universe: number counts, redshift distribution and implications for the IMF 

      Hayward, C. C.; Narayanan, D.; Keres, D.; Jonsson, P.; Hopkins, P. F.; Cox, T. J.; Hernquist, Lars Eric (Oxford University Press (OUP), 2012)
      High-redshift submillimetre galaxies (SMGs) are some of the most rapidly star-forming galaxies in the Universe. Historically, galaxy formation models have had difficulty explaining the observed number counts of SMGs. We ...

    • The total infrared luminosity may significantly overestimate the star formation rate of quenching and recently quenched galaxies 

      Hayward, C. C.; Lanz, L.; Ashby, Matthew L N; Fazio, Giovanni Gene; Hernquist, Lars Eric; Martinez-Galarza, J. R.; Noeske, K.; Smith, Howard A.; Wuyts, S.; Zezas, Andreas (Oxford University Press (OUP), 2014)
      The total infrared (IR) luminosity is very useful for estimating the star formation rate (SFR) of galaxies, but converting the IR luminosity into an SFR relies on assumptions that do not hold for all galaxies. We test the ...