Browsing by Author "Lizano, Susana"

Now showing items 1-7 of 7

    • Deciphering the ionized gas content in the massive star-forming complex G75.78+0.34 
      Sánchez Monge, Álvaro; Kurtz, Stan; Palau, Aina; Estalella, Robert; Shepherd, Debra; Lizano, Susana; Franco, José; Garay Brignardello, Guido (2013-04-01)
      We present subarcsecond observations toward the massive star-forming region G75.78+0.34. We used the Very Large Array to study the centimeter continuum and H2O and CH3OH maser emission, and the Owens Valley Radio Observatory ...
    • Massive Stars: Their Environment and Formation 
      Garay Brignardello, Guido; Lizano, Susana (1999-09)
      Cloud environment is thought to play a critical role in determining the mechanism of formation of massive stars. In this contribution we review the physical characteristics of the environment around recently formed massive ...
    • Photoevaporated disks around massive young stars 
      Lugo, Jorge; Lizano, Susana; Garay Brignardello, Guido (UNIV CHICAGO PRESS., 2004-10-20)
      We present a parametric model of an isothermal photoevaporating wind from a Keplerian disk around a young massive star. The wind is produced by high-energy photons (h >13:6 eV) from the massive central star that ionize ...
    • Photoevaporated flows from H II regions 
      Lizano, Susana; Cantó, Jorge; Garay Brignardello, Guido; Hollenbach, David (UNIV CHICAGO PRESS., 1996-09-10)
      We model the dynamics of a fast, isothermal ionized stellar wind loaded with mass injected from photoevaporated globules surrounding the massive star. The effect of the mass injection is to produce a density profile such ...
    • The velocity structure of the cometary H II regions G13.87+0.28, G32.80+ 0.19B, and G61,48+0.09B1 
      Garay Brignardello, Guido; Lizano, Susana; Gómez, Yolanda (1994-07-01)
      We present H92alpha radio recombination line and radio continuum observations toward three cometary-like H II regions, G13.87 + 0.28, G32.80 + 0.19B, and G61.48 + 0.09B1, with an angular resolution of approximately 2''. ...
    • Vla observations of carbon radio recombination lines toward the H II region complex S88B 
      Garay Brignardello, Guido; Gómez, Yolanda; Lizano, Susana; Brown, Robert L. (1998-07-10)
      We present high angular resolution VLA observations of the C92a, C110a, and C166a radio recombination lines of carbon from the region of massive star formation known as S88B. The observations reveal that the carbon ...
    • Warm molecular gas associated with cometary Hıı regions 
      Gómez, Yolanda; Garay Brignardello, Guido; Lizano, Susana (The American Astronomical Society, 1995-11-10)
      We present observations of the (J, K) = (2, 2) and (3, 3) inversion transitions of ammonia, made at ˜4" resolution with the VLA, in the direction of the G32.80 + 0.19 and G61.48 + 0.09 star-forming regions, which contain ...