Astronomy Colloquia

First evidence of solar-like oscillations in delta Scuti stars

Speaker: 
Vichi Antoci
Event Date and Time: 
Mon, 2011-11-07 16:00 - 17:00
Location: 
Hennings 318
Local Contact: 
Jaymie Matthews
Intended Audience: 
Graduate
Helioseismology is a mature field that has led to remarkably accurate knowledge of the solar interior. With the success of the MOST, CoRoT and Kepler space missions, asteroseismology of solar-like oscillators has begun to make similar contributions to our knowledge of the interiors of stars cooler than about 6500 K. This has been achieved through the study of high-overtone acoustic oscillations stochastically excited in the outer convection zones of these stars.

Multimessenger astronomy and cosmology with the Einstein Telescope

Speaker: 
Martin Hendry (University of Glasgow)
Event Date and Time: 
Mon, 2011-10-31 16:00 - 17:15
Location: 
Hennings 318
Local Contact: 
Jaymie Matthews
Intended Audience: 
Graduate
The nascent field of gravitational wave astronomy is entering an exciting phase, with construction of the Advanced LIGO laser interferometers in the US currently well under way. Within the next few years these instruments will begin operation, forming part of a global "2nd generation" detector network which is expected to make the first direct detections of gravitational waves from astrophysical sources. Moreover, plans are already developing for what will lie beyond the advanced detectors.
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