Astrophysics Seminars

ABSTRACT: Studies of a variety of gas dynamical problems, for example the saturation of the MRI in the inner regions of accretion disks around compact objects, or the effects of feedback from starbursts and/or AGN, require numerical algorithms...

ABSTRACT: Stellar magnetic activity leads to a variety of observable effects, from star spots that modulate the stellar brightness on the order of weeks to months, to flares, which release highly energetic radiation over the course of a few hours...

ABSTRACT: The Pierre Auger Observatory has recorded a large number of Ultrahigh Energy Cosmic Rays, the detector is well understood, and a multitude of different analyses on sources and composition of UHECRs have been performed. The observational...

ABSTRACT: The spatial clustering of distant galaxies is a powerful probe of both the nature of those galaxies and of fundamental physics. The MUSYC collaboration used the connection between galaxies and their dark matter halos to identify distant...

ABSTRACT: Abstract: The interaction between young planets and the gaseous protoplanetary disks from which they form leads to planet migration, gas accretion, and gap opening, each of which can significantly affect exoplanet demographics. Although...

ABSTRACT: The CMB spectrum is known to be extremely close to a perfect blackbody. However, even within standard cosmology several processes occurring in the early Universe lead to distortions of the CMB at a level that might become observable in the...

ABSTRACT: Planetary astrophysics is the most exciting and fastest growing branch of astronomy today. New data obtained from systematic radial velocity surveys and Kepler transit surveys have led to the discovery of over 700 planets and 3000...