Colloquium spekaer, Lars Bildsten (UC Stanta Barbaba) today at 3:45pm

[Patterson, Robin L.]

Please join us for the Physics Colloquium today, at 3:45 PM in The Robert Smith Seminar Room. There will be a reception at 3:30PM in the Atrium. Details concerning the talk are as follows:

Speaker:         Lars Bildsten (UC Santa Barbara)
Date:               Tuesday, October 1, 2019
Time:              3:45PM
Place:             1080 Physics Research Building, The Robert Smith Seminar Room
Title:                Hearing the Stars: New Insights into Stellar Interiors form Asteroseisomology

Abstract: Long-term and sensitive space-based photometry from the CoRoT, Kepler and TESS satellites has allowed us to finally 'hear' the stars. These  remarkable data have yielded accurate measurements of masses, radii  and distances for more than 30,000 stars across the Milky Way that  have been largely confirmed by the GAIA data release. More  profoundly, these observations are revealing the interior stellar  conditions, clearly differentiating those stars that are undergoing  helium burning in their cores to those that are only burning hydrogen  in a shell. Moreover, interior rotation rates for hundreds of stars  now test the uncertain physics of how angular momentum is transported  within a star and the absence of dipolar modes in many stars may be  indicative of strong internal magnetic fields.

The website for the colloquium is https://physics.osu.edu/physics-colloquium-schedule


Also, there is the speaker/student discussion starting just after the colloquium, at 4:45pm in the Smith Seminar Room.


Robin
[The Ohio State University]
Robin Patterson
Program Coordinator
Department of Physics
1040K Physics Research Building, 191 W. Woodruff Avenue, Columbus, OH 43210
(614) 292-8523 Office     (614) 292-7557 Fax
patterson.716 at osu.edu<mailto:patterson.716 at osu.edu> osu.edu<http://osu.edu/>

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