Now showing items 1-5 of 5

    • Breaks in thin and thick disks of edge-on galaxies imaged in the Spitzer Survey of Stellar Structure in Galaxies (S4G) 

      Mizusawa, Trisha; Comeron, Sebastien; Elmegreen, Bruce G.; Salo, Heikki; Athanassoula, E.; Bosma, Albert; Knapen, Johan H.; Gadotti, Demitri A.; Sheth, Kartik; Laurikainen, Eija (2012-11-10)
      Breaks in the radial luminosity profiles of galaxies have until now been mostly studied averaged over disks. Here, we study separately breaks in thin and thick disks in 70 edge-on galaxies using imaging from the Spitzer ...
    • Embedded star formation in S4G galaxy dust lanes 

      Mizusawa, Trisha F.; Elmegreen, Debra Meloy; Elmegreen, Bruce G.; Erroz-Ferrer, Santiago; Knapen, Johan H.; Teich, Yaron; Popinchalk, Mark; Athanassoula, E.; Bosma, Albert; Comerón, Sébastien (2013-12-11)
      Star-forming regions that are visible at 3.6 μm and Hα but not in the u, g, r, i, z bands of the Sloan Digital Sky Survey are measured in five nearby spiral galaxies to find extinctions averaging ∼3.8 mag and stellar masses ...
    • The impact of bars on disk breaks as probed by S⁴G imaging 

      Munoz-Mateso, Juan Carlos; Sheth, Kartik; Gil de Paz, Armando; Meidt, Sharon; Athanassoula, Evangelie; Bosma, Albert; Comeron, Sebastien; Elmegreen, Debra M.; Elmegreen, Bruce G.; Mizusawa, Trisha (2013-07-01)
      We have analyzed the radial distribution of old stars in a sample of 218 nearby face-on disks, using deep 3.6μm images from the Spitzer Survey of Stellar Structure in Galaxies. In particular, we have studied the structural ...
    • The mass profile and shape of bars in the spitzer survey of stellar structure in galaxies (S⁴G): Search for an age indicator for bars 

      Kim, Taehyun; Sheth, Kartik; Gadotti, Dimitri Alexei; Lee, Myung Gyoon; Zaritsky, Dennis; Elmegreen, Bruce G.; Athanassoula, Evangelia; Bosma, Albert; Holwerda, Benne; Mizusawa, Trisha (2015-01-20)
      We have measured the radial light profiles and global shapes of bars using two-dimensional 3.6μm image decompositions for 144 face-on barred galaxies from the Spitzer Survey of Stellar Structure in Galaxies. The bar ...
    • Unveiling the structure of barred galaxies at 3.6 mu;m with the spitzer survey of stellar structure in galaxies (S4G). I. Disk breaks 

      Mizusawa, Trisha F.; Kim, Taehyun; Gadotti, Dimitri Alexei; Sheth, Kartik; Athanassoula, E.; Bosma, Albert; Madore, Barry F.; Elmegreen, Bruce G.; Knapen, Johan H.; Lee, Myung Gyoon (2014-01-28)
      We have performed two-dimensional multicomponent decomposition of 144 local barred spiral galaxies using 3.6 μm images from the Spitzer Survey of Stellar Structure in Galaxies. Our model fit includes up to four components ...