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New Orbital Constraints for YSES 1 b and HR 2562 B from High-Precision Astrometry and Planetary Radial Velocities

  • Authors: Jonathan Roberts, William Thompson, Jason J. Wang, Sarah Blunt, William O. Balmer, Guillaume Bourdarot, Brendan P. Bowler, Gael Chauvin, Frank Eisenhauer, Thomas K. Henning, Jens Kammerer, Flavien Kiefer, Matthew A. Kenworthy, Pierre Kervella, Sylvestre Lacour, A.-M. Lagrange, Eric L. Nielsen, Laurent Pueyo, Emily Rickman, Olli Sipilä, Silvia Spezzano, Tomas Stolker, Alice Zurlo

Jonathan Roberts et al 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure 2.

Corner plot for the orbital fit of HR 2562 B. The object demonstrates a preference for eccentric orbits less than 0.4, with the eccentricity parameter favoring values closer to circular. The semimajor axis distribution shows a prominent peak around 22 au, with no values less than 14 au. The orientation of the disk around HR 2562 B is nearly edge on, as reflected in the inclination distribution, which supports this coplanar alignment between the orbit and the disk.

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