Browsing by Author "Salo, Heikki"

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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 ...
X-ray nuclear activity in S4G barred galaxies: no link between bar strength and co-occurrent supermassive black hole fueling

Cisternas, Mauricio; Gadotti, Dimitri A.; Knapen, Johan H.; Kim, Taehyun; Díaz-García, Simón; Laurikainen, Eija; Salo, Heikki; González-Martín, Omaira; Ho, Luis C.; Mizusawa, Trisha (2013-10-10)

Stellar bars can lead to gas inflow toward the center of a galaxy and stimulate nuclear star formation. However, there is no compelling evidence on whether they also feed a central supermassive black hole: by measuring the ...