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Hailey to Discuss the Discovery of Black Holes Through X-rays

xray-image-of-galactic-center

The Astronomical Society of Greenwich and Greenwich Library present Dr. Chuck Hailey, Pupin Professor of Physics; Co-Director, Columbia Astrophysics Laboratory, Columbia University speak about his research, “Probing the Black Hole Population of the Galactic Center with X-rays,” on Sunday, Sept. 23 at 3:30 p.m.

The Galactic Center is predicted to contain enormous numbers of dead stellar remnants such as black holes, neutron stars and white dwarfs. Hailey will summarize what a variety of X-ray observatories, staring at the Galactic Center for long periods of time, have learned about these populations. In particular he will address a great mystery; while the Galactic Center is theoretically expected to contain about 10,000 or more black holes, there has been virtually no sign of them. But evidence for such a population has recently been revealed through X-ray observations. Hailey will discuss the discovery and its implications for future studies of galactic stellar dynamics and gravitational wave radiation.

The program is open to the general public and will take place at Greenwich Library’s
 Cole Auditorium, 101 West Putnam Ave.

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