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A planet within the debris disk around the pre-main-sequence star AU Microscopii

Author

Listed:
  • Peter Plavchan

    (George Mason University)

  • Thomas Barclay

    (University of Maryland Baltimore County (UMBC)
    NASA Goddard Space Flight Center)

  • Jonathan Gagné

    (Université de Montréal)

  • Peter Gao

    (University of California)

  • Bryson Cale

    (George Mason University)

  • William Matzko

    (George Mason University)

  • Diana Dragomir

    (Massachusetts Institute of Technology
    University of New Mexico)

  • Sam Quinn

    (Harvard-Smithsonian Center for Astrophysics)

  • Dax Feliz

    (Vanderbilt University)

  • Keivan Stassun

    (Vanderbilt University)

  • Ian J. M. Crossfield

    (Massachusetts Institute of Technology
    University of Kansas)

  • David A. Berardo

    (Massachusetts Institute of Technology)

  • David W. Latham

    (Harvard-Smithsonian Center for Astrophysics)

  • Ben Tieu

    (George Mason University)

  • Guillem Anglada-Escudé

    (Queen Mary, University of London)

  • George Ricker

    (Massachusetts Institute of Technology)

  • Roland Vanderspek

    (Massachusetts Institute of Technology)

  • Sara Seager

    (Massachusetts Institute of Technology)

  • Joshua N. Winn

    (Princeton University)

  • Jon M. Jenkins

    (SETI Institute)

  • Stephen Rinehart

    (NASA Goddard Space Flight Center)

  • Akshata Krishnamurthy

    (Massachusetts Institute of Technology)

  • Scott Dynes

    (Massachusetts Institute of Technology)

  • John Doty

    (NASA Goddard Space Flight Center)

  • Fred Adams

    (University of Michigan)

  • Dennis A. Afanasev

    (NASA Goddard Space Flight Center)

  • Chas Beichman

    (California Institute of Technology
    California Institute of Technology)

  • Mike Bottom

    (University of Hawaii at Manoa)

  • Brendan P. Bowler

    (University of Texas at Austin)

  • Carolyn Brinkworth

    (University Corporation for Atmospheric Research)

  • Carolyn J. Brown

    (University of Southern Queensland, Centre for Astrophysics)

  • Andrew Cancino

    (Missouri State University)

  • David R. Ciardi

    (California Institute of Technology)

  • Mark Clampin

    (NASA Goddard Space Flight Center)

  • Jake T. Clark

    (University of Southern Queensland, Centre for Astrophysics)

  • Karen Collins

    (Harvard-Smithsonian Center for Astrophysics)

  • Cassy Davison

    (Georgia State University)

  • Daniel Foreman-Mackey

    (Flatiron Institute)

  • Elise Furlan

    (California Institute of Technology)

  • Eric J. Gaidos

    (University of Hawaii at Manoa)

  • Claire Geneser

    (Mississippi State University)

  • Frank Giddens

    (Missouri State University)

  • Emily Gilbert

    (University of Chicago)

  • Ryan Hall

    (Georgia State University)

  • Coel Hellier

    (Keele University, Keele)

  • Todd Henry

    (RECONS Institute)

  • Jonathan Horner

    (University of Southern Queensland, Centre for Astrophysics)

  • Andrew W. Howard

    (California Institute of Technology)

  • Chelsea Huang

    (Massachusetts Institute of Technology)

  • Joseph Huber

    (Missouri State University)

  • Stephen R. Kane

    (University of California)

  • Matthew Kenworthy

    (Leiden University)

  • John Kielkopf

    (University of Louisville)

  • David Kipping

    (Columbia University)

  • Chris Klenke

    (Missouri State University)

  • Ethan Kruse

    (NASA Goddard Space Flight Center)

  • Natasha Latouf

    (George Mason University)

  • Patrick Lowrance

    (IPAC, California Institute of Technology)

  • Bertrand Mennesson

    (California Institute of Technology)

  • Matthew Mengel

    (University of Southern Queensland, Centre for Astrophysics)

  • Sean M. Mills

    (California Institute of Technology)

  • Tim Morton

    (University of Florida)

  • Norio Narita

    (The University of Tokyo
    JST, PRESTO
    Astrobiology Center, NINS
    National Astronomical Observatory of Japan, NINS)

  • Elisabeth Newton

    (Dartmouth College)

  • America Nishimoto

    (Missouri State University)

  • Jack Okumura

    (University of Southern Queensland, Centre for Astrophysics)

  • Enric Palle

    (Instituto de Astrofisica de Canarias (IAC))

  • Joshua Pepper

    (Lehigh University)

  • Elisa V. Quintana

    (NASA Goddard Space Flight Center)

  • Aki Roberge

    (NASA Goddard Space Flight Center)

  • Veronica Roccatagliata

    (Universita’ di Pisa
    INAF-Osservatorio Astrofisico di Arcetri
    INFN, Sezione di Pisa)

  • Joshua E. Schlieder

    (NASA Goddard Space Flight Center)

  • Angelle Tanner

    (Mississippi State University)

  • Johanna Teske

    (Observatories of the Carnegie Institution for Science)

  • C. G. Tinney

    (Exoplanetary Science at UNSW, School of Physics, UNSW Sydney)

  • Andrew Vanderburg

    (University of Texas at Austin)

  • Kaspar Braun

    (Lowell Observatory)

  • Bernie Walp

    (NASA Infrared Telescope Facility)

  • Jason Wang

    (University of California
    California Institute of Technology)

  • Sharon Xuesong Wang

    (Observatories of the Carnegie Institution for Science)

  • Denise Weigand

    (Missouri State University)

  • Russel White

    (Georgia State University)

  • Robert A. Wittenmyer

    (University of Southern Queensland, Centre for Astrophysics)

  • Duncan J. Wright

    (University of Southern Queensland, Centre for Astrophysics)

  • Allison Youngblood

    (NASA Goddard Space Flight Center)

  • Hui Zhang

    (Nanjing University)

  • Perri Zilberman

    (SUNY Stony Brook)

Abstract

AU Microscopii (AU Mic) is the second closest pre-main-sequence star, at a distance of 9.79 parsecs and with an age of 22 million years1. AU Mic possesses a relatively rare2 and spatially resolved3 edge-on debris disk extending from about 35 to 210 astronomical units from the star4, and with clumps exhibiting non-Keplerian motion5–7. Detection of newly formed planets around such a star is challenged by the presence of spots, plage, flares and other manifestations of magnetic ‘activity’ on the star8,9. Here we report observations of a planet transiting AU Mic. The transiting planet, AU Mic b, has an orbital period of 8.46 days, an orbital distance of 0.07 astronomical units, a radius of 0.4 Jupiter radii, and a mass of less than 0.18 Jupiter masses at 3σ confidence. Our observations of a planet co-existing with a debris disk offer the opportunity to test the predictions of current models of planet formation and evolution.

Suggested Citation

  • Peter Plavchan & Thomas Barclay & Jonathan Gagné & Peter Gao & Bryson Cale & William Matzko & Diana Dragomir & Sam Quinn & Dax Feliz & Keivan Stassun & Ian J. M. Crossfield & David A. Berardo & David , 2020. "A planet within the debris disk around the pre-main-sequence star AU Microscopii," Nature, Nature, vol. 582(7813), pages 497-500, June.
    • Handle: RePEc:nat:nature:v:582:y:2020:i:7813:d:10.1038_s41586-020-2400-z
    DOI: 10.1038/s41586-020-2400-z
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