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Tuesday 11 February 2020, 16:00-17:00
Investigating the Star-Planet Connection with Precision Spectroscopy
- đ¤ Speaker: Megan Bedell (Flatiron institute)
- đ Date & Time: Tuesday 11 February 2020, 16:00 - 17:00
- đ Venue: Sackler Lecture Theare, Institute of Astronomy
Abstract
More than two decades after the discovery of the first exoplanet with radial velocity (RV) measurements, large quantities of data exist from dedicated planet-hunting spectrographs. These spectra play an important role not only in the discovery and characterization of planets but also as a rich source of information about bright stars in the solar neighborhood. I will summarize recent efforts to gain insight into the planet formation process via extremely precise (0.01 dex) abundance measurements of solar twin stars with and without planets. I will also discuss approaches to the data analysis challenge of extracting maximally-precise RV measurements from these spectra in pursuit of Earth-like planets.
Series This talk is part of the Exoplanet Seminars series.
Included in Lists
- Cambridge Astronomy Talks
- Combined External Astrophysics Talks DAMTP
- Cosmology, Astrophysics and General Relativity
- Exoplanet Seminars
- Institute of Astronomy Talk Lists
- LCLU Departmental Talks
- Sackler Lecture Theare, Institute of Astronomy
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