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Tuning in to Reveal Stellar Wobbles

18 Aug 2020, 16:00 UTC
Tuning in to Reveal Stellar Wobbles
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Editor’s note: Astrobites is a graduate-student-run organization that digests astrophysical literature for undergraduate students. As part of the partnership between the AAS and astrobites, we occasionally repost astrobites content here at AAS Nova. We hope you enjoy this post from astrobites; the original can be viewed at astrobites.org.
Title: An astrometric planetary companion candidate to the M9 Dwarf TVLM 513−46546
Authors: Salvador Curiel et al.
First Author’s Institution: National Autonomous University of Mexico (UNAM)
Status: Accepted to AJ
Finding Planets
This artist’s illustration depicts multiple examples of planetary systems we’ve discovered. [NASA/W. Stenzel]Since the first detections of planets outside of our solar system in the 1990s (for a review see this link), the exoplanet field has quickly grown. Initially, exoplanet detections were dominated by searches for Doppler shifts in the spectra of bright stars caused by the gravitational pull of one of more planets (known as the radial velocity method). In the last decade however, space-based satellites such as Kepler and TESS have shifted the focus to the transit method, or searching for small dips in the light received from stars as planets pass in front of them.
However, these are not the only methods we can use to find ...

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