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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 1.

Nightly binned RVs of 70 Oph A (48 nights) and 70 Oph B (44 nights) derived from PFS spectra, shown as a function of time. Each night’s data are represented by a single weighted-average measurement, with weights computed as the inverse square of the RV uncertainties. The time of each binned point corresponds to the weighted average of the observation times. Error bars are smaller than the symbol size and are therefore not visible.

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