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Overfitting Affects the Reliability of Radial Velocity Mass Estimates of the V1298 Tau Planets

  • Authors: Sarah Blunt, Adolfo Carvalho, Trevor J. David, Charles Beichman, Jon K. Zink, Eric Gaidos, Aida Behmard, Luke G. Bouma, Devin Cody, Fei Dai, Daniel Foreman-Mackey, Sam Grunblatt, Andrew W. Howard, Molly Kosiarek, Heather A. Knutson, Ryan A. Rubenzahl, Corey Beard, Ashley Chontos, Steven Giacalone, Teruyuki Hirano, Marshall C. Johnson, Jack Lubin, Joseph M. Akana Murphy, Erik A Petigura, Judah Van Zandt, Lauren Weiss

Sarah Blunt et al 2023 The Astronomical Journal 166 .

  • Provider: AAS Journals

Caption: Figure 1.

A tour of the RVs scrutinized in this study. The CARMENES and HARPS-N RVs are published in SM21, and the HIRES RVs are new in this study. Takeaway: the RV variability of V1298 Tau is hundreds of meters per second, which is similar across all three instruments. The variability is significantly greater than the instrumental errors (which are included, but too small to see for the majority of points on this plot).

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