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Boyajian's Star B: The Co-moving Companion to KIC 8462852 A
Logan A. Pearce, Adam L. Kraus, Trent J. Dupuy et al., 2021. The Astrophysical Journal 909(2), 216.
Keck adaptive-optics astrometry over five years shows that a faint star about 2 arcseconds east shares the primary's motion: a bound companion at 880 ± 10 au projected separation. Suggests that the companion may drive the bodies whose debris causes the dips.
What it's used for here
Establishes the binary companion that later dynamical models use.
Our copy
Research copy, for editors and curators. The work is the publisher's, so readers are sent to it. We keep this copy so the citation can be checked if the page changes or goes.
doi.org · fetched 27 Oct 2026
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Cited by on this site 6 records
Tabby's star (KIC 8462852)
MYSThe mystery article
Cite it
Pearce, L. A., Kraus, A. L., Dupuy, T. J., Mann, A. W., & Huber, D. (2021). Boyajian's Star B: The Co-moving Companion to KIC 8462852 A. The Astrophysical Journal 909(2), 216. https://doi.org/10.3847/1538-4357/abdd33
@article{pearce2021boyajian,
author = {Pearce, Logan A. and Kraus, Adam L. and Dupuy, Trent J. and Mann, Andrew W. and Huber, Daniel},
title = {Boyajian's Star B: The Co-moving Companion to KIC 8462852 A},
journal = {The Astrophysical Journal 909(2), 216},
year = {2021},
doi = {10.3847/1538-4357/abdd33},
url = {https://doi.org/10.3847/1538-4357/abdd33}
}TY - JOUR TI - Boyajian's Star B: The Co-moving Companion to KIC 8462852 A AU - Pearce, Logan A. AU - Kraus, Adam L. AU - Dupuy, Trent J. AU - Mann, Andrew W. AU - Huber, Daniel PY - 2021 JO - The Astrophysical Journal 909(2), 216 DO - 10.3847/1538-4357/abdd33 UR - https://doi.org/10.3847/1538-4357/abdd33 ER -
Pearce, Logan A. et al.. “Boyajian's Star B: The Co-moving Companion to KIC 8462852 A.” The Astrophysical Journal 909(2), 216 (2021). https://doi.org/10.3847/1538-4357/abdd33.