Jeremiah P. Ostriker

TL;DR: In this article, the authors revisited the question of whether first brightest cluster galaxies (BCGs) are statistically drawn from the same distribution as other cluster galaxies or are ‘special’, using the new nonparametric, empirically based, model presented in Vale & Ostriker for associating galaxy luminosity with halo/subhalo masses.

TL;DR: In this paper, the cosmic star formation rate (SFR) and the rest-frame comoving luminosity density in various passbands as a function of redshift were computed using large-scale ΛCDM hydrodynamical simulations.

TL;DR: In this article, the effect of AGN feedback on a model galaxy representing a massive quiescent low-redshift early-type galaxy was studied, and it was shown that feedback from the AGN can keep the galaxy quiesent for about 4.35 Gyr and with properties consistent with black hole mass and X-ray luminosity scaling relations.

TL;DR: In this paper, the effects of radiative and mechanical momentum and energy input on the interstellar medium (ISM) of typical elliptical galaxies were modeled in the soft and hard X-ray bands.

TL;DR: In this article, the 2-to-10-kev luminosity distribution of 36 X-ray sources in the Local Group having known or estimated distances was analyzed, showing that there exists a luminosity cutoff of approximately 10 to the theoretical (Eddington) limit for the luminosity of an approximately 1 solar mass star.