no code implementations • 9 Oct 2020 • Anna R. Gallazzi, Anna Pasquali, Stefano Zibetti, Francesco La Barbera
We compare stellar ages, stellar metallicities and element abundance ratios [alpha/Fe] of satellite and central galaxies, as a function of their stellar and host group halo mass, controlling for the current star formation rate and for the infall epoch.
Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics
1 code implementation • 3 Dec 2019 • Mikkel Stockmann, Sune Toft, Anna Gallazzi, Stefano Zibetti, Christopher J. Conselice, Berta Margalef-Bentabol, Johannes Zabl, Inger Jørgensen, Georgios E. Magdis, Carlos Gómez-Guijarro, Francesco M. Valentino, Gabriel B. Brammer, Daniel Ceverino, Isabella Cortzen, Iary Davidzon, Richardo Demarco, Andreas Faisst, Michaela Hirschmann, Jens-Kristian Krogager, Claudia D. Lagos, Allison W. S. Man, Carl J. Mundy, Yingjie Peng, Jonatan Selsing, Charles L. Steinhardt, Kathrine E. Whitaker
We present a detailed analysis of a large sample of spectroscopically confirmed ultra-massive quiescent galaxies (${\rm{log}}(M_{\ast}/M_{\odot})\sim11. 5$) at $z\gtrsim2$.
Astrophysics of Galaxies
