Hewlett Teaching Center, Rm. 200
Attendance limited to Stanford affiliates
Please note event will be in-person at the Hewlett Teaching Center, and will not be broadcast on Zoom. Please register to attend: https://forms.gle/xRYKVGyHavVjvxzK7.
Zoom info: https://stanford.zoom.us/j/95013931454?pwd=VkpJRUVtQ1hYVTdNMHJKdXZqSTVC… PW: 746108
Millisecond pulsars are rapidly rotating neutron stars with phenomenal rotational stability. The NANOGrav collaboration monitors an array of about 80 of these cosmic clocks in order to detect perturbations due to gravitational waves at nanohertz frequencies. These gravitational waves will most likely result from an ensemble of supermassive black hole binaries. Their detection and subsequent study will offer unique insights into galaxy growth and evolution over cosmic time.
Galaxies like our Milky Way host large-scale, weak magnetic fields. The interstellar magnetic field affects a wide range of physics, from cosmic ray propagation to star formation. The magnetic interstellar medium is also a formidable foreground for experimental cosmology, particularly for the quest to find signatures of inflation in the polarized cosmic microwave background.