Browsing by Author "Gupta, V."

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The extended Planetary Nebula Spectrograph (ePN.S) early-type galaxy survey : The kinematic diversity of stellar halos and the relation between halo transition scale and stellar mass

Pulsoni, Claudia; Gerhard, Ortwin; Arnaboldi, Magda; Coccato, Lodovico; Longobardi, Alessia; Napolitano, Nicola R.; Moylan, Emily K. M.; Narayan, Chaitra A.; Gupta, V.; Burkert, Andreas; Capaccioli, M.; Chies-Santos, Ana Leonor; Cortesi, Arianna; Freeman, Kenneth C.; Kuijken, Koenraad H.; Merrifield, Michael; Romanowsky, Aaron J.; Tortora, Crescenzo (2018) [Journal article]

Context. In the hierarchical two-phase formation scenario, the halos of early type galaxies (ETGs) are expected to have different physical properties from the galaxies’ central regions. Aims. The ePN.S survey characterizes ...