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A Century of Radial-velocity and Astrometric Monitoring of 70 Oph AB: New PFS Data and Constraints on Possible Planetary Companions

Authors: Yiting Li, Michael R. Meyer, Skylar D'Angiolillo, Stephen R. Kane, R. Paul Butler, Stephen A. Shectman, Eric E. Mamajek, Johanna Teske, Jack Lubin, Paul Robertson, Jessie L. Christiansen, Howard Isaacson, Caleb K. Harada, Bradford Holden, William D. Cochran, Michael Endl, Jennifer Burt, Juliette Becker, Alyssa Jankowski, Peter Tuthill, Catherine A. Clark, Rachael M. Roettenbacher, Eric Nielsen, Eduardo Bendek, Armen Tokadjian, William Roberson, Kaitlin M. Kratter, Edwin Bergin, Dave Osip, Jeffrey D. Crane, Alex Davis, Gautam Vasisht

Yiting Li et al 2026 The Astrophysical Journal 1009 .

Provider: AAS Journals

Caption: Figure 4.

Posterior distributions of key orbital parameters for the 70 Oph AB binary from the joint orvara fit. The panels show marginalized one- and two-dimensional posteriors for the primary and secondary masses (M_pri and ﹩{M}_{{\rm{\sec }}}﹩, respectively), semimajor axis (a), eccentricity (e), and inclination (i). Contours represent 1σ, 2σ, and 3σ credible regions, while vertical dashed lines mark the median and 68% CIs.

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