Astronomy Colloquium for 2019-11-06

Series: Astronomy Colloquium
Date: Wednesday 06-Nov-2019
Time: 16:05-17:00 (4:05-5:00 pm)
Location: ATL 2400
Speaker: Ms. Thankful Cromartie (NRAO)
Title: High Mass Neutron Stars for Fun and Profit

The central densities of neutron stars are the highest known in the Universe, so measurements of pulsars -- like their masses and radii -- can give us unique insights into the physics of matter at extreme densities. High-precision timing measurements in the radio have provided several extremely constraining mass measurements, including iron-clad results that pulsars can be >2 Msun. Such systems strongly constrain the equation of state of neutron star matter and a variety of other topics in physics/astrophysics -- and additionally allow us to conduct unique tests of general relativity and search for nHz gravitational waves. New radio telescopes like MeerKAT, FAST, the SKA, and the ngVLA will soon provide many new pulsars and possibilities for many new masses and tests of basic physics.

Colloquia are usually preceded by espresso and ice cream at 1:45 pm outside room PSC 1150 and are followed by an informal reception at 5:15 pm in that room. Anyone interested in talking with the speaker, or being added to the colloquium announcement email list, should contact the colloquium organizer. Lunch will normally be reserved for the speaker to talk to graduate students. Anyone asking a question during a talk is asked to raise their hand and be acknowledged before speaking.

Colloquium Organizer: Prof. Richard Mushotzy


Special accommodations for individuals with disabilities can be made by calling (301) 405-3001. It would be appreciated if we are notified at least one week in advance.


Directions and information about parking can be found here.

This page was automatically generated on: 04-Nov-2019.