A planetesimal orbiting within the debris disc around a white dwarf star

Christopher J. Manser; Boris T. Gänsicke; Siegfried Eggl; Mark Hollands; Paula Izquierdo; Detlev Koester; John D. Landstreet; Wladimir Lyra; Thomas R. Marsh; Farzana Meru; Alexander J. Mustill; Pablo Rodríguez-Gil; Odette Toloza; Dimitri Veras; David J. Wilson; Matthew R. Burleigh; Melvyn B. Davies; Jay Farihi; Nicola Gentile Fusillo; Domitilla de Martino; Steven G. Parsons; Andreas Quirrenbach; Roberto Raddi; Sabine Reffert; Melania Del Santo; Matthias R. Schreiber; Roberto Silvotti; Silvia Toonen; Eva Villaver; Mark Wyatt; Siyi Xu; Simon Portegies Zwart

doi:10.1126/science.aat5330

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A planetesimal orbiting within the debris disc around a white dwarf star

Christopher J. Manser ¹,*,
Boris T. Gänsicke ¹,²,
Siegfried Eggl³,
Mark Hollands ¹,
Paula Izquierdo ⁴,⁵,
Detlev Koester⁶,
John D. Landstreet ⁷,⁸,
Wladimir Lyra ³,⁹,
Thomas R. Marsh ¹,
Farzana Meru ¹,
Alexander J. Mustill ¹⁰,
Pablo Rodríguez-Gil⁴,⁵,
Odette Toloza¹,
Dimitri Veras ¹,²,
David J. Wilson¹,¹¹,
Matthew R. Burleigh¹²,
Melvyn B. Davies ¹⁰,
Jay Farihi¹³,
Nicola Gentile Fusillo ¹,
Domitilla de Martino¹⁴,
Steven G. Parsons¹⁵,
Andreas Quirrenbach¹⁶,
Roberto Raddi ¹⁷,
Sabine Reffert¹⁶,
Melania Del Santo¹⁸,
Matthias R. Schreiber ¹⁹,²⁰,
Roberto Silvotti²¹,
Silvia Toonen²²,†,
Eva Villaver ²³,
Mark Wyatt²⁴,
Siyi Xu²⁵,
Simon Portegies Zwart²⁶

¹Department of Physics, University of Warwick, Coventry CV4 7AL, UK.
²Centre for Exoplanets and Habitability, University of Warwick, Coventry CV4 7AL, UK.
³Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA.
⁴Instituto de Astrofísica de Canarias, E-38205 La Laguna, Tenerife, Spain.
⁵Departamento de Astrofísica, Universidad de La Laguna, E-38206 La Laguna, Tenerife, Spain.
⁶Institut für Theoretische Physik und Astrophysik, Universität Kiel, 24098 Kiel, Germany.
⁷Department of Physics and Astronomy, The University of Western Ontario, London, Ontario, N6A 3K7, Canada.
⁸Armagh Observatory and Planetarium, College Hill, Armagh, Co. Armagh BT61 9DG, UK.
⁹Department of Physics and Astronomy, California State University, Northridge, 18111 Nordhoff St., Northridge, CA 91330, USA.
¹⁰Lund Observatory, Department of Astronomy and Theoretical Physics, Lund University, Box 43, SE-221 00 Lund, Sweden.
¹¹McDonald Observatory, University of Texas at Austin, Austin, TX 78712, USA.
¹²Department of Physics and Astronomy, Leicester Institute of Space and Earth Observation, University of Leicester, University Road, Leicester LE1 7RH, UK.
¹³Physics and Astronomy, University College London, London WC1E 6BT, UK.
¹⁴Osservatorio Astronomico di Capodimonte, National Institute for Astrophysics, Via Moiarello 16, 80131 Napoli, Italy.
¹⁵Department of Physics and Astronomy, The University of Sheffield, Western Bank, Sheffield S10 2TN, UK.
¹⁶Landessternwarte, Zentrum für Astronomie der Universität Heidelberg, Königstuhl 12, 69117 Heidelberg, Germany.
¹⁷Dr. Karl Remeis-Sternwarte, Astronomisches Institut der Universität Erlangen-Nürnberg, Sternwartestr. 7, 96049, Bamberg, Germany.
¹⁸National Institute for Astrophysics/Institute of Space Astrophysics and Cosmic Physics, via Ugo La Malfa 153, 90146, Palermo, Italy.
¹⁹Instituto de Física y Astronomía, Universidad de Valparaíso, Av. Gran Bretaña 1111, 5030 Casilla, Valparaíso, Chile.
²⁰Milennium Nucleus for Planet Formation - NPF, Universidad de Valparaíso, Av. Gran Bretaña 1111, Valparaíso, Chile.
²¹National Institute for Astrophysics, Osservatorio Astrofisico di Torino, Strada dell’Osservatorio 20, 10025 Pino Torinese, Italy.
²²Anton Pannekoek Instituut voor Sterrenkunde, University of Amsterdam, P.O. Box 94249, 1090 GE, Amsterdam, Netherlands.
²³Departamento de Física Teórica, Universidad Autónoma de Madrid, Cantoblanco 28049 Madrid, Spain.
²⁴Institute of Astronomy, Madingley Rd, Cambridge CB3 0HA, UK.
²⁵Gemini Observatory, Northern Operations Center, 670 N. A’ohoku Place, Hilo, HI 96720, USA.
²⁶Sterrewacht Leiden, Leiden University, P.O. Box 9513, 2300 RA Leiden, Netherlands.

↵*Corresponding author. Email: c.j.manser92{at}googlemail.com

↵† Present address: Institute for Gravitational Wave Astronomy and School of Physics and Astronomy, University of Birmingham, Birmingham B15 2TT, UK.

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Science 05 Apr 2019:
Vol. 364, Issue 6435, pp. 66-69
DOI: 10.1126/science.aat5330

Christopher J. Manser

Department of Physics, University of Warwick, Coventry CV4 7AL, UK.

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For correspondence: c.j.manser92@googlemail.com

Boris T. Gänsicke

Department of Physics, University of Warwick, Coventry CV4 7AL, UK.Centre for Exoplanets and Habitability, University of Warwick, Coventry CV4 7AL, UK.

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Siegfried Eggl

Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA.

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Mark Hollands

Department of Physics, University of Warwick, Coventry CV4 7AL, UK.

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Paula Izquierdo

Instituto de Astrofísica de Canarias, E-38205 La Laguna, Tenerife, Spain.Departamento de Astrofísica, Universidad de La Laguna, E-38206 La Laguna, Tenerife, Spain.

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Detlev Koester

Institut für Theoretische Physik und Astrophysik, Universität Kiel, 24098 Kiel, Germany.

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John D. Landstreet

Department of Physics and Astronomy, The University of Western Ontario, London, Ontario, N6A 3K7, Canada.Armagh Observatory and Planetarium, College Hill, Armagh, Co. Armagh BT61 9DG, UK.

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Wladimir Lyra

Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA.Department of Physics and Astronomy, California State University, Northridge, 18111 Nordhoff St., Northridge, CA 91330, USA.

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Thomas R. Marsh

Department of Physics, University of Warwick, Coventry CV4 7AL, UK.

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Farzana Meru

Department of Physics, University of Warwick, Coventry CV4 7AL, UK.

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Alexander J. Mustill

Lund Observatory, Department of Astronomy and Theoretical Physics, Lund University, Box 43, SE-221 00 Lund, Sweden.

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Pablo Rodríguez-Gil

Instituto de Astrofísica de Canarias, E-38205 La Laguna, Tenerife, Spain.Departamento de Astrofísica, Universidad de La Laguna, E-38206 La Laguna, Tenerife, Spain.

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Odette Toloza

Department of Physics, University of Warwick, Coventry CV4 7AL, UK.

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Dimitri Veras

Department of Physics, University of Warwick, Coventry CV4 7AL, UK.Centre for Exoplanets and Habitability, University of Warwick, Coventry CV4 7AL, UK.

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David J. Wilson

Department of Physics, University of Warwick, Coventry CV4 7AL, UK.McDonald Observatory, University of Texas at Austin, Austin, TX 78712, USA.

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Matthew R. Burleigh

Department of Physics and Astronomy, Leicester Institute of Space and Earth Observation, University of Leicester, University Road, Leicester LE1 7RH, UK.

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Melvyn B. Davies

Lund Observatory, Department of Astronomy and Theoretical Physics, Lund University, Box 43, SE-221 00 Lund, Sweden.

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Jay Farihi

Physics and Astronomy, University College London, London WC1E 6BT, UK.

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Nicola Gentile Fusillo

Department of Physics, University of Warwick, Coventry CV4 7AL, UK.

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Domitilla de Martino

Osservatorio Astronomico di Capodimonte, National Institute for Astrophysics, Via Moiarello 16, 80131 Napoli, Italy.

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Steven G. Parsons

Department of Physics and Astronomy, The University of Sheffield, Western Bank, Sheffield S10 2TN, UK.

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Andreas Quirrenbach

Landessternwarte, Zentrum für Astronomie der Universität Heidelberg, Königstuhl 12, 69117 Heidelberg, Germany.

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Roberto Raddi

Dr. Karl Remeis-Sternwarte, Astronomisches Institut der Universität Erlangen-Nürnberg, Sternwartestr. 7, 96049, Bamberg, Germany.

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Sabine Reffert

Landessternwarte, Zentrum für Astronomie der Universität Heidelberg, Königstuhl 12, 69117 Heidelberg, Germany.

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Melania Del Santo

National Institute for Astrophysics/Institute of Space Astrophysics and Cosmic Physics, via Ugo La Malfa 153, 90146, Palermo, Italy.

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Matthias R. Schreiber

Instituto de Física y Astronomía, Universidad de Valparaíso, Av. Gran Bretaña 1111, 5030 Casilla, Valparaíso, Chile.Milennium Nucleus for Planet Formation - NPF, Universidad de Valparaíso, Av. Gran Bretaña 1111, Valparaíso, Chile.

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Roberto Silvotti

National Institute for Astrophysics, Osservatorio Astrofisico di Torino, Strada dell’Osservatorio 20, 10025 Pino Torinese, Italy.

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Silvia Toonen

Anton Pannekoek Instituut voor Sterrenkunde, University of Amsterdam, P.O. Box 94249, 1090 GE, Amsterdam, Netherlands.

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Eva Villaver

Departamento de Física Teórica, Universidad Autónoma de Madrid, Cantoblanco 28049 Madrid, Spain.

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Mark Wyatt

Institute of Astronomy, Madingley Rd, Cambridge CB3 0HA, UK.

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Siyi Xu

Gemini Observatory, Northern Operations Center, 670 N. A’ohoku Place, Hilo, HI 96720, USA.

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Simon Portegies Zwart

Sterrewacht Leiden, Leiden University, P.O. Box 9513, 2300 RA Leiden, Netherlands.

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