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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 3.

Another visualization of Figure 2. Histograms of the RV residuals, given in units of standard deviation from the mean prediction. Takeaway: the broader and more uniform distributions of HIRES and CARMENES residuals relative to the HARPS residuals is another hallmark of overfitting.

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