2 papers
astro-ph.GA2024
COSMOS Brightest Group Galaxies -- III: Evolution of stellar ages
G. Gozaliasl, A. Finoguenov, A. Babul +15
The unique characteristics of the brightest group galaxies (BGGs) link the evolutionary continuum between galaxies like the Milky Way and more massive BCGs in dense clusters. This…
astro-ph.GA2024
A hot core in the group-dominant elliptical galaxy NGC 777
Ewan O'Sullivan, Kamlesh Rajpurohit, Gerrit Schellenberger +8
NGC 777 provides an example of a phenomenon observed in some group-central ellipticals, in which the temperature profile shows a central peak, despite the short central cooling tim…