Bulletin of the American Physical Society
APS April Meeting 2014
Volume 59, Number 5
Saturday–Tuesday, April 5–8, 2014; Savannah, Georgia
Session M4: Invited Session: Hot Topics in Astrophysics
3:30 PM–5:18 PM,
Sunday, April 6, 2014
Room: Chatham Ballroom C
Sponsoring Unit: DAP
Chair: Paul Shapiro, University of Texas at Austin
Abstract ID: BAPS.2014.APR.M4.1
Abstract: M4.00001 : Hot News from the Milky Way's Central Black Hole*
3:30 PM–4:06 PM
The recent discovery of a dense, cold cloud (dubbed ``G2'') approaching the supermassive black hole at our Galactic Center (Sgr A*) offers an unprecedented opportunity to test models of black hole accretion and its associated feedback. G2's orbit is eccentric and the cloud already shows signs of tidal disruption by the black hole. High-energy emission from the Sgr A*/G2 encounter will likely rise toward pericenter (Spring 2014) and continue over the next several years as the material circularizes. This encounter may also enhance Sgr A*'s flare activity across the electromagnetic spectrum. I will present intensive multiwavelength campaigns (X-ray through radio) aimed at studying the radiation properties of Sgr A* as G2 breaks up and feeds the accretion flow, to constrain the rates and emission mechanisms of faint X-ray flares, and to detect G2 itself as it is shocked and heated.
*This work is supported by Chandra X-ray Observatory Awards GO3-14121X and GO3-14099X and Swift Proposal Number 9120132.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2014.APR.M4.1
The American Physical Society (APS) is a non-profit membership organization working to advance the knowledge of physics.
1 Physics Ellipse, College Park, MD 20740-3844
Editorial Office 1 Research Road, Ridge, NY 11961-2701 (631) 591-4000
Office of Public Affairs 529 14th St NW, Suite 1050, Washington, D.C. 20045-2001 (202) 662-8700