First science results of the ExoGRAVITY Large Program

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• Mathias Nowak
• Wednesday 10 November 2021, 13:45-14:15
• The Hoyle Lecture Theatre + Zoom .

If you have a question about this talk, please contact Francisco Paz-C.

After the detection of the giant planet HR 8799 e with VLTI /GRAVITY and the characterization of the atmosphere of beta Pictoris b two years ago, it became apparent that long-baseline interferometry could play a major role in the characterization of giant planets. The ExoGRAVITY Large Program was granted 14 nights on the 4 UTs of the VLT , with the aim of observing all the directly imaged planets. We are now half-way through the program, and a number of exciting results have already came out: from the characterization of the HR8799 system to the direct detection of the radial-velocity planet beta Pic c, and the measurement of its mass through its effect on the orbit of its sister planet beta Pic b. I will give a general overview of the program: the science goals, the instrument, the observing strategy, etc. I will also dive into some of the most exciting results obtained so far.

This talk is part of the Institute of Astronomy Seminars series.

This talk is included in these lists:

• Combined External Astrophysics Talks DAMTP
• Cosmology lists
• Cosmology, Astrophysics and General Relativity
• Institute of Astronomy Seminars
• Institute of Astronomy Talk Lists
• Kavli Institute for Cosmology Talk Lists
• Priscilla
• The Hoyle Lecture Theatre + Zoom

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