The Anomalous Acceleration of PSR J2043+1711: Long-period Orbital Companion or Stellar Flyby?
Based on the rate of change of its orbital period, PSR J2043+1711 has a substantial peculiar acceleration of 3.5 ± 0.8 mm s ^–1 yr ^–1 , which deviates from the acceleration predicted by equilibrium Milky Way (MW) models at a 4 σ level. The magnitude of the peculiar acceleration is too large to be e...
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| author | Thomas Donlon II Sukanya Chakrabarti Michael T. Lam Daniel Huber Daniel Hey Enrico Ramirez-Ruiz Benjamin Shappee David L. Kaplan Gabriella Agazie Akash Anumarlapudi Anne M. Archibald Zaven Arzoumanian Paul T. Baker Paul R. Brook H. Thankful Cromartie Kathryn Crowter Megan E. DeCesar Paul B. Demorest Timothy Dolch Elizabeth C. Ferrara William Fiore Emmanuel Fonseca Gabriel E. Freedman Nate Garver-Daniels Peter A. Gentile Joseph Glaser Deborah C. Good Jeffrey S. Hazboun Mark Huber Ross J. Jennings Megan L. Jones Matthew Kerr Duncan R. Lorimer Jing Luo Ryan S. Lynch Alexander McEwen Maura A. McLaughlin Natasha McMann Bradley W. Meyers Cherry Ng David J. Nice Timothy T. Pennucci Benetge B. P. Perera Nihan S. Pol Henri A. Radovan Scott M. Ransom Paul S. Ray Ann Schmiedekamp Carl Schmiedekamp Brent J. Shapiro-Albert Ingrid H. Stairs Kevin Stovall Abhimanyu Susobhanan Joseph K. Swiggum Michael A. Tucker Haley M. Wahl |
| author_facet | Thomas Donlon II Sukanya Chakrabarti Michael T. Lam Daniel Huber Daniel Hey Enrico Ramirez-Ruiz Benjamin Shappee David L. Kaplan Gabriella Agazie Akash Anumarlapudi Anne M. Archibald Zaven Arzoumanian Paul T. Baker Paul R. Brook H. Thankful Cromartie Kathryn Crowter Megan E. DeCesar Paul B. Demorest Timothy Dolch Elizabeth C. Ferrara William Fiore Emmanuel Fonseca Gabriel E. Freedman Nate Garver-Daniels Peter A. Gentile Joseph Glaser Deborah C. Good Jeffrey S. Hazboun Mark Huber Ross J. Jennings Megan L. Jones Matthew Kerr Duncan R. Lorimer Jing Luo Ryan S. Lynch Alexander McEwen Maura A. McLaughlin Natasha McMann Bradley W. Meyers Cherry Ng David J. Nice Timothy T. Pennucci Benetge B. P. Perera Nihan S. Pol Henri A. Radovan Scott M. Ransom Paul S. Ray Ann Schmiedekamp Carl Schmiedekamp Brent J. Shapiro-Albert Ingrid H. Stairs Kevin Stovall Abhimanyu Susobhanan Joseph K. Swiggum Michael A. Tucker Haley M. Wahl |
| author_sort | Thomas Donlon II |
| collection | DOAJ |
| description | Based on the rate of change of its orbital period, PSR J2043+1711 has a substantial peculiar acceleration of 3.5 ± 0.8 mm s ^–1 yr ^–1 , which deviates from the acceleration predicted by equilibrium Milky Way (MW) models at a 4 σ level. The magnitude of the peculiar acceleration is too large to be explained by disequilibrium effects of the MW interacting with orbiting dwarf galaxies (∼1 mm s ^–1 yr ^–1 ), and too small to be caused by period variations due to the pulsar being a redback. We identify and examine two plausible causes for the anomalous acceleration: a stellar flyby, and a long-period orbital companion. We identify a main-sequence star in Gaia DR3 and Pan-STARRS DR2 with the correct mass, distance, and on-sky position to potentially explain the observed peculiar acceleration. However, the star and the pulsar system have substantially different proper motions, indicating that they are not gravitationally bound. However, it is possible that this is an unrelated star that just happens to be located near J2043+1711 along our line of sight (chance probability of 1.6%). Therefore, we also constrain possible orbital parameters for a circumbinary companion in a hierarchical triple system with J2043+1711; the changes in the spindown rate of the pulsar are consistent with an outer object that has an orbital period of 60 kyr, a companion mass of 0.3 M _⊙ (indicative of a white dwarf or low-mass star), and a semimajor axis of 1900 au. Continued timing and/or future faint optical observations of J2043+1711 may eventually allow us to differentiate between these scenarios. |
| format | Article |
| id | doaj-art-80f14bfebff044a0b290e95dd10be708 |
| institution | DOAJ |
| issn | 1538-4357 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IOP Publishing |
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| series | The Astrophysical Journal |
| spelling | doaj-art-80f14bfebff044a0b290e95dd10be7082025-08-20T03:09:23ZengIOP PublishingThe Astrophysical Journal1538-43572025-01-0198316210.3847/1538-4357/adbf90The Anomalous Acceleration of PSR J2043+1711: Long-period Orbital Companion or Stellar Flyby?Thomas Donlon II0https://orcid.org/0000-0002-7746-8993Sukanya Chakrabarti1https://orcid.org/0000-0001-6711-8140Michael T. Lam2https://orcid.org/0000-0003-0721-651XDaniel Huber3https://orcid.org/0000-0001-8832-4488Daniel Hey4https://orcid.org/0000-0003-3244-5357Enrico Ramirez-Ruiz5https://orcid.org/0000-0003-2558-3102Benjamin Shappee6https://orcid.org/0000-0003-4631-1149David L. Kaplan7https://orcid.org/0000-0001-6295-2881Gabriella Agazie8https://orcid.org/0000-0001-5134-3925Akash Anumarlapudi9https://orcid.org/0000-0002-8935-9882Anne M. Archibald10https://orcid.org/0000-0003-0638-3340Zaven Arzoumanian11https://orcid.org/0009-0008-6187-8753Paul T. Baker12https://orcid.org/0000-0003-2745-753XPaul R. Brook13https://orcid.org/0000-0003-3053-6538H. Thankful Cromartie14https://orcid.org/0000-0002-6039-692XKathryn Crowter15https://orcid.org/0000-0002-1529-5169Megan E. DeCesar16https://orcid.org/0000-0002-2185-1790Paul B. Demorest17https://orcid.org/0000-0002-6664-965XTimothy Dolch18https://orcid.org/0000-0001-8885-6388Elizabeth C. Ferrara19https://orcid.org/0000-0001-7828-7708William Fiore20https://orcid.org/0000-0001-5645-5336Emmanuel Fonseca21https://orcid.org/0000-0001-8384-5049Gabriel E. Freedman22https://orcid.org/0000-0001-7624-4616Nate Garver-Daniels23https://orcid.org/0000-0001-6166-9646Peter A. Gentile24https://orcid.org/0000-0001-8158-683XJoseph Glaser25https://orcid.org/0000-0003-4090-9780Deborah C. Good26https://orcid.org/0000-0003-1884-348XJeffrey S. Hazboun27https://orcid.org/0000-0003-2742-3321Mark Huber28https://orcid.org/0000-0003-1059-9603Ross J. Jennings29https://orcid.org/0000-0003-1082-2342Megan L. Jones30https://orcid.org/0000-0001-6607-3710Matthew Kerr31https://orcid.org/0000-0002-0893-4073Duncan R. Lorimer32https://orcid.org/0000-0003-1301-966XJing Luo33https://orcid.org/0000-0001-5373-5914Ryan S. Lynch34https://orcid.org/0000-0001-5229-7430Alexander McEwen35https://orcid.org/0000-0001-5481-7559Maura A. McLaughlin36https://orcid.org/0000-0001-7697-7422Natasha McMann37https://orcid.org/0000-0002-4642-1260Bradley W. Meyers38https://orcid.org/0000-0001-8845-1225Cherry Ng39https://orcid.org/0000-0002-3616-5160David J. Nice40https://orcid.org/0000-0002-6709-2566Timothy T. Pennucci41https://orcid.org/0000-0001-5465-2889Benetge B. P. Perera42https://orcid.org/0000-0002-8509-5947Nihan S. Pol43https://orcid.org/0000-0002-8826-1285Henri A. Radovan44https://orcid.org/0000-0002-2074-4360Scott M. Ransom45https://orcid.org/0000-0001-5799-9714Paul S. Ray46https://orcid.org/0000-0002-5297-5278Ann Schmiedekamp47https://orcid.org/0000-0003-4391-936XCarl Schmiedekamp48https://orcid.org/0000-0002-1283-2184Brent J. Shapiro-Albert49https://orcid.org/0000-0002-7283-1124Ingrid H. Stairs50https://orcid.org/0000-0001-9784-8670Kevin Stovall51https://orcid.org/0000-0002-7261-594XAbhimanyu Susobhanan52https://orcid.org/0000-0002-2820-0931Joseph K. Swiggum53https://orcid.org/0000-0002-1075-3837Michael A. Tucker54https://orcid.org/0000-0002-2471-8442Haley M. Wahl55https://orcid.org/0000-0001-9678-0299Department of Physics and Astronomy, University of Alabama in Huntsville , 301 North Sparkman Drive, Huntsville, AL 35816, USA ; thomas.donlon@uah.eduDepartment of Physics and Astronomy, University of Alabama in Huntsville , 301 North Sparkman Drive, Huntsville, AL 35816, USA ; thomas.donlon@uah.eduSETI Institute , 339 N Bernardo Avenue Suite 200, Mountain View, CA 94043, USA; School of Physics and Astronomy , Rochester Institute of Technology, Rochester, NY 14623, USA; Laboratory for Multiwavelength Astrophysics , Rochester Institute of Technology, Rochester, NY 14623, USAInstitute for Astronomy, University of Hawai‘i , 2680 Woodlawn Drive, Honolulu, HI 96822, USA; Sydney Institute for Astronomy (SIfA), School of Physics, University of Sydney , NSW 2006, AustraliaInstitute for Astronomy, University of Hawai‘i , 2680 Woodlawn Drive, Honolulu, HI 96822, USADepartment of Astronomy and Astrophysics, University of California , Santa Cruz, CA 95064, USAInstitute for Astronomy, University of Hawai‘i , 2680 Woodlawn Drive, Honolulu, HI 96822, USACenter for Gravitation, Cosmology and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USACenter for Gravitation, Cosmology and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USACenter for Gravitation, Cosmology and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USANewcastle University , NE1 7RU, UKX-Ray Astrophysics Laboratory , NASA Goddard Space Flight Center, Code 662, Greenbelt, MD 20771, USADepartment of Physics and Astronomy, Widener University , One University Place, Chester, PA 19013, USAInstitute for Gravitational Wave Astronomy and School of Physics and Astronomy, University of Birmingham , Edgbaston, Birmingham B15 2TT, UKNational Research Council Research Associate , National Academy of Sciences, Washington, DC 20001, USADepartment of Physics and Astronomy, University of British Columbia , 6224 Agricultural Road, Vancouver, BC V6T 1Z1, CanadaGeorge Mason University , Fairfax, VA 22030, USANational Radio Astronomy Observatory , 1003 Lopezville Road, Socorro, NM 87801, USADepartment of Physics , Hillsdale College, 33 E. College Street, Hillsdale, MI 49242, USA; Eureka Scientific , 2452 Delmer Street, Suite 100, Oakland, CA 94602-3017, USADepartment of Astronomy, University of Maryland , College Park, MD 20742, USA; Center for Research and Exploration in Space Science and Technology , NASA/GSFC, Greenbelt, MD 20771, USA; NASA Goddard Space Flight Center , Greenbelt, MD 20771, USADepartment of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USADepartment of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USACenter for Gravitation, Cosmology and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USADepartment of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USADepartment of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USADepartment of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USADepartment of Physics and Astronomy, University of Montana , 32 Campus Drive, Missoula, MT 59812, USADepartment of Physics, Oregon State University , Corvallis, OR 97331, USAInstitute for Astronomy, University of Hawai‘i , 2680 Woodlawn Drive, Honolulu, HI 96822, USADepartment of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USACenter for Gravitation, Cosmology and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USASpace Science Division , Naval Research Laboratory, Washington, DC 20375-5352, USADepartment of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USADepartment of Astronomy & Astrophysics , University of Toronto, 50 Saint George Street, Toronto, ON M5S 3H4, CanadaGreen Bank Observatory , P.O. Box 2, Green Bank, WV 24944, USACenter for Gravitation, Cosmology and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USADepartment of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USADepartment of Physics and Astronomy, Vanderbilt University , 2301 Vanderbilt Place, Nashville, TN 37235, USADepartment of Physics and Astronomy, University of British Columbia , 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada; International Centre for Radio Astronomy Research , Curtin University, Bentley, WA 6102, AustraliaDunlap Institute for Astronomy and Astrophysics, University of Toronto , 50 St. George Street, Toronto, ON M5S 3H4, CanadaDepartment of Physics , Lafayette College, Easton, PA 18042, USAInstitute of Physics and Astronomy, Eötvös Loránd University , Pázmány P. s. 1/A, 1117 Budapest, HungaryArecibo Observatory , HC3 Box 53995, Arecibo, PR 00612, USADepartment of Physics and Astronomy, Vanderbilt University , 2301 Vanderbilt Place, Nashville, TN 37235, USADepartment of Physics, University of Puerto Rico , Mayagüez, PR 00681, USANational Radio Astronomy Observatory , 520 Edgemont Road, Charlottesville, VA 22903, USASpace Science Division , Naval Research Laboratory, Washington, DC 20375-5352, USADepartment of Physics , Penn State Abington, Abington, PA 19001, USADepartment of Physics , Penn State Abington, Abington, PA 19001, USADepartment of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USA; Giant Army , 915A 17th Avenue, Seattle, WA 98122, USADepartment of Physics and Astronomy, University of British Columbia , 6224 Agricultural Road, Vancouver, BC V6T 1Z1, CanadaNational Radio Astronomy Observatory , 1003 Lopezville Road, Socorro, NM 87801, USAMax-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut) , Callinstrasse 38, D-30167, Hannover, GermanyDepartment of Physics , Lafayette College, Easton, PA 18042, USACenter for Cosmology and AstroParticle Physics , 191 W Woodruff Avenue, Columbus, OH 43210, USA; Department of Astronomy, The Ohio State University , 140 W 18th Avenue, Columbus, OH 43210, USADepartment of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USABased on the rate of change of its orbital period, PSR J2043+1711 has a substantial peculiar acceleration of 3.5 ± 0.8 mm s ^–1 yr ^–1 , which deviates from the acceleration predicted by equilibrium Milky Way (MW) models at a 4 σ level. The magnitude of the peculiar acceleration is too large to be explained by disequilibrium effects of the MW interacting with orbiting dwarf galaxies (∼1 mm s ^–1 yr ^–1 ), and too small to be caused by period variations due to the pulsar being a redback. We identify and examine two plausible causes for the anomalous acceleration: a stellar flyby, and a long-period orbital companion. We identify a main-sequence star in Gaia DR3 and Pan-STARRS DR2 with the correct mass, distance, and on-sky position to potentially explain the observed peculiar acceleration. However, the star and the pulsar system have substantially different proper motions, indicating that they are not gravitationally bound. However, it is possible that this is an unrelated star that just happens to be located near J2043+1711 along our line of sight (chance probability of 1.6%). Therefore, we also constrain possible orbital parameters for a circumbinary companion in a hierarchical triple system with J2043+1711; the changes in the spindown rate of the pulsar are consistent with an outer object that has an orbital period of 60 kyr, a companion mass of 0.3 M _⊙ (indicative of a white dwarf or low-mass star), and a semimajor axis of 1900 au. Continued timing and/or future faint optical observations of J2043+1711 may eventually allow us to differentiate between these scenarios.https://doi.org/10.3847/1538-4357/adbf90Millisecond pulsarsBinary pulsars |
| spellingShingle | Thomas Donlon II Sukanya Chakrabarti Michael T. Lam Daniel Huber Daniel Hey Enrico Ramirez-Ruiz Benjamin Shappee David L. Kaplan Gabriella Agazie Akash Anumarlapudi Anne M. Archibald Zaven Arzoumanian Paul T. Baker Paul R. Brook H. Thankful Cromartie Kathryn Crowter Megan E. DeCesar Paul B. Demorest Timothy Dolch Elizabeth C. Ferrara William Fiore Emmanuel Fonseca Gabriel E. Freedman Nate Garver-Daniels Peter A. Gentile Joseph Glaser Deborah C. Good Jeffrey S. Hazboun Mark Huber Ross J. Jennings Megan L. Jones Matthew Kerr Duncan R. Lorimer Jing Luo Ryan S. Lynch Alexander McEwen Maura A. McLaughlin Natasha McMann Bradley W. Meyers Cherry Ng David J. Nice Timothy T. Pennucci Benetge B. P. Perera Nihan S. Pol Henri A. Radovan Scott M. Ransom Paul S. Ray Ann Schmiedekamp Carl Schmiedekamp Brent J. Shapiro-Albert Ingrid H. Stairs Kevin Stovall Abhimanyu Susobhanan Joseph K. Swiggum Michael A. Tucker Haley M. Wahl The Anomalous Acceleration of PSR J2043+1711: Long-period Orbital Companion or Stellar Flyby? The Astrophysical Journal Millisecond pulsars Binary pulsars |
| title | The Anomalous Acceleration of PSR J2043+1711: Long-period Orbital Companion or Stellar Flyby? |
| title_full | The Anomalous Acceleration of PSR J2043+1711: Long-period Orbital Companion or Stellar Flyby? |
| title_fullStr | The Anomalous Acceleration of PSR J2043+1711: Long-period Orbital Companion or Stellar Flyby? |
| title_full_unstemmed | The Anomalous Acceleration of PSR J2043+1711: Long-period Orbital Companion or Stellar Flyby? |
| title_short | The Anomalous Acceleration of PSR J2043+1711: Long-period Orbital Companion or Stellar Flyby? |
| title_sort | anomalous acceleration of psr j2043 1711 long period orbital companion or stellar flyby |
| topic | Millisecond pulsars Binary pulsars |
| url | https://doi.org/10.3847/1538-4357/adbf90 |
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anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT enricoramirezruiz anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT benjaminshappee anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT davidlkaplan anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT gabriellaagazie anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT akashanumarlapudi anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT annemarchibald anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT zavenarzoumanian anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT paultbaker anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT paulrbrook anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT hthankfulcromartie anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT kathryncrowter anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT meganedecesar anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT paulbdemorest anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT timothydolch anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT elizabethcferrara anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT williamfiore anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT emmanuelfonseca anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT gabrielefreedman anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT nategarverdaniels anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT peteragentile anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT josephglaser anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT deborahcgood anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT jeffreyshazboun anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT markhuber anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT rossjjennings anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT meganljones anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT matthewkerr anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT duncanrlorimer anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT jingluo anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT ryanslynch anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT alexandermcewen anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT mauraamclaughlin anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT natashamcmann anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT bradleywmeyers anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT cherryng anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT davidjnice anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT timothytpennucci anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT benetgebpperera anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT nihanspol anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT henriaradovan anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT scottmransom anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT paulsray anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT annschmiedekamp anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT carlschmiedekamp anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT brentjshapiroalbert anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT ingridhstairs anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT kevinstovall anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT abhimanyususobhanan anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT josephkswiggum anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT michaelatucker anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby AT haleymwahl anomalousaccelerationofpsrj20431711longperiodorbitalcompanionorstellarflyby |