Figure 1 from The McDonald Accelerating Stars Survey (MASS): White Dwarf Companions Accelerating the Sun-like Stars 12 Psc and HD 159062

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The McDonald Accelerating Stars Survey (MASS): White Dwarf Companions Accelerating the Sun-like Stars 12 Psc and HD 159062

Authors: Brendan P. Bowler, William D. Cochran, Michael Endl, Kyle Franson, Timothy D. Brandt, Trent J. Dupuy, Phillip J. MacQueen, Kaitlin M. Kratter, Dimitri Mawet, and Garreth Ruane

2021 The Astronomical Journal 161 106.

Provider: AAS Journals

Caption: Figure 1.

Radial velocities of 12 Psc from McDonald Observatory (top) and Lick Observatory (bottom; Fischer et al. 2014) spanning a total baseline of over 20 years (1998–2020). A strong radial acceleration is evident in both data sets. A linear fit gives a slope of 10.60 ± 0.13 m s⁻¹ yr⁻¹ for the Tull RVs and 9.78 ± 0.15 m s⁻¹ yr⁻¹ for the Lick RVs.

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