Synchronous Rotation in the (136199) Eris–Dysnomia System
We combine photometry of Eris from a 6 month campaign on the Palomar 60 inch telescope in 2015, a 1 month Hubble Space Telescope WFC3 campaign in 2018, and Dark Energy Survey data spanning 2013–2018 to determine a light curve of definitive period 15.771 ± 0.008 days (1 σ formal uncertainties), with...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2023-01-01
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| Series: | The Planetary Science Journal |
| Subjects: | |
| Online Access: | https://doi.org/10.3847/PSJ/acdd5f |
| _version_ | 1797330891326881792 |
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| author | Gary M. Bernstein Bryan J. Holler Rosario Navarro-Escamilla Pedro H. Bernardinelli T. M. C. Abbott M. Aguena S. Allam O. Alves F. Andrade-Oliveira J. Annis D. Bacon D. Brooks D. L. Burke A. Carnero Rosell J. Carretero L. N. da Costa M. E. S. Pereira J. De Vicente S. Desai P. Doel A. Drlica-Wagner S. Everett I. Ferrero J. Frieman J. García-Bellido D. W. Gerdes D. Gruen G. Gutierrez K. Herner S. R. Hinton D. L. Hollowood K. Honscheid D. J. James K. Kuehn N. Kuropatkin J. L. Marshall J. Mena-Fernández R. Miquel R. L. C. Ogando A. Pieres A. A. Plazas Malagón M. Raveri K. Reil E. Sanchez I. Sevilla-Noarbe M. Smith M. Soares-Santos E. Suchyta M. E. C. Swanson P. Wiseman The DES Collaboration |
| author_facet | Gary M. Bernstein Bryan J. Holler Rosario Navarro-Escamilla Pedro H. Bernardinelli T. M. C. Abbott M. Aguena S. Allam O. Alves F. Andrade-Oliveira J. Annis D. Bacon D. Brooks D. L. Burke A. Carnero Rosell J. Carretero L. N. da Costa M. E. S. Pereira J. De Vicente S. Desai P. Doel A. Drlica-Wagner S. Everett I. Ferrero J. Frieman J. García-Bellido D. W. Gerdes D. Gruen G. Gutierrez K. Herner S. R. Hinton D. L. Hollowood K. Honscheid D. J. James K. Kuehn N. Kuropatkin J. L. Marshall J. Mena-Fernández R. Miquel R. L. C. Ogando A. Pieres A. A. Plazas Malagón M. Raveri K. Reil E. Sanchez I. Sevilla-Noarbe M. Smith M. Soares-Santos E. Suchyta M. E. C. Swanson P. Wiseman The DES Collaboration |
| author_sort | Gary M. Bernstein |
| collection | DOAJ |
| description | We combine photometry of Eris from a 6 month campaign on the Palomar 60 inch telescope in 2015, a 1 month Hubble Space Telescope WFC3 campaign in 2018, and Dark Energy Survey data spanning 2013–2018 to determine a light curve of definitive period 15.771 ± 0.008 days (1 σ formal uncertainties), with nearly sinusoidal shape and peak-to-peak flux variation of 3%. This is consistent at part-per-thousand precision with the P = 15.785 90 ± 0.00005 day sidereal period of Dysnomia’s orbit around Eris, strengthening the recent detection of synchronous rotation of Eris by Szakáts et al. with independent data. Photometry from Gaia are consistent with the same light curve. We detect a slope of 0.05 ± 0.01 mag per degree of Eris’s brightness with respect to illumination phase averaged across g , V , and r bands, intermediate between Pluto’s and Charon’s values. Variations of 0.3 mag are detected in Dysnomia’s brightness, plausibly consistent with a double-peaked light curve at the synchronous period. The synchronous rotation of Eris is consistent with simple tidal models initiated with a giant-impact origin of the binary, but is difficult to reconcile with gravitational capture of Dysnomia by Eris. The high albedo contrast between Eris and Dysnomia remains unexplained in the giant-impact scenario. |
| first_indexed | 2024-03-08T07:26:48Z |
| format | Article |
| id | doaj.art-12aacd0b73c04d5da49bad70df0ede7c |
| institution | Directory Open Access Journal |
| issn | 2632-3338 |
| language | English |
| last_indexed | 2024-03-08T07:26:48Z |
| publishDate | 2023-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | The Planetary Science Journal |
| spelling | doaj.art-12aacd0b73c04d5da49bad70df0ede7c2024-02-02T21:37:20ZengIOP PublishingThe Planetary Science Journal2632-33382023-01-014611510.3847/PSJ/acdd5fSynchronous Rotation in the (136199) Eris–Dysnomia SystemGary M. Bernstein0https://orcid.org/0000-0002-8613-8259Bryan J. Holler1https://orcid.org/0000-0002-6117-0164Rosario Navarro-Escamilla2https://orcid.org/0009-0009-2907-5421Pedro H. Bernardinelli3https://orcid.org/0000-0003-0743-9422T. M. C. Abbott4https://orcid.org/0000-0003-1587-3931M. Aguena5https://orcid.org/0000-0001-5679-6747S. Allam6O. Alves7https://orcid.org/0000-0002-7394-9466F. Andrade-Oliveira8J. Annis9https://orcid.org/0000-0002-0609-3987D. Bacon10https://orcid.org/0000-0002-2562-8537D. Brooks11https://orcid.org/0000-0002-8458-5047D. L. Burke12https://orcid.org/0000-0003-1866-1950A. Carnero Rosell13https://orcid.org/0000-0003-3044-5150J. Carretero14https://orcid.org/0000-0002-3130-0204L. N. da Costa15https://orcid.org/0000-0002-7731-277XM. E. S. Pereira16https://orcid.org/0000-0002-7131-7684J. De Vicente17https://orcid.org/0000-0001-8318-6813S. Desai18https://orcid.org/0000-0002-0466-3288P. Doel19A. Drlica-Wagner20https://orcid.org/0000-0001-8251-933XS. Everett21https://orcid.org/0000-0002-3745-2882I. Ferrero22https://orcid.org/0000-0002-1295-1132J. Frieman23J. García-Bellido24https://orcid.org/0000-0002-9370-8360D. W. Gerdes25https://orcid.org/0000-0001-6942-2736D. Gruen26https://orcid.org/0000-0003-3270-7644G. Gutierrez27K. Herner28S. R. Hinton29https://orcid.org/0000-0003-2071-9349D. L. Hollowood30https://orcid.org/0000-0002-9369-4157K. Honscheid31D. J. James32https://orcid.org/0000-0001-5160-4486K. Kuehn33https://orcid.org/0000-0003-0120-0808N. Kuropatkin34https://orcid.org/0000-0003-2511-0946J. L. Marshall35J. Mena-Fernández36https://orcid.org/0000-0001-9497-7266R. Miquel37https://orcid.org/0000-0002-6610-4836R. L. C. Ogando38https://orcid.org/0000-0003-2120-1154A. Pieres39https://orcid.org/0000-0001-9186-6042A. A. Plazas Malagón40https://orcid.org/0000-0002-2598-0514M. Raveri41K. Reil42E. Sanchez43https://orcid.org/0000-0002-9646-8198I. Sevilla-Noarbe44M. Smith45https://orcid.org/0000-0002-3321-1432M. Soares-Santos46https://orcid.org/0000-0001-6082-8529E. Suchyta47https://orcid.org/0000-0002-7047-9358M. E. C. Swanson48https://orcid.org/0000-0002-1488-8552P. Wiseman49The DES CollaborationDepartment of Physics and Astronomy, University of Pennsylvania , Philadelphia, PA 19104, USA ; garyb@physics.upenn.eduSpace Telescope Science Institute , Baltimore, MD 21218, USADepartment of Physics and Astronomy, University of Pennsylvania , Philadelphia, PA 19104, USA ; garyb@physics.upenn.eduDIRAC Institute and the Department of Astronomy, University of Washington , 3910 15th Avenue NE, Seattle, WA 98195, USACerro Tololo Inter-American Observatory, NSF’s National Optical-Infrared Astronomy Research Laboratory , Casilla 603, La Serena, ChileLaboratório Interinstitucional de e-Astronomia—LIneA , Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, BrazilFermi National Accelerator Laboratory , P.O. Box 500, Batavia, IL 60510, USADepartment of Physics, University of Michigan , Ann Arbor, MI 48109, USADepartment of Physics, University of Michigan , Ann Arbor, MI 48109, USAFermi National Accelerator Laboratory , P.O. Box 500, Batavia, IL 60510, USAInstitute of Cosmology and Gravitation, University of Portsmouth , Portsmouth, PO1 3FX, UKDepartment of Physics & Astronomy, University College London , Gower Street, London, WC1E 6BT, UKKavli Institute for Particle Astrophysics & Cosmology , P.O. Box 2450, Stanford University, Stanford, CA 94305, USA; SLAC National Accelerator Laboratory , Menlo Park, CA 94025, USALaboratório Interinstitucional de e-Astronomia—LIneA , Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, Brazil; Instituto de Astrofisica de Canarias , E-38205 La Laguna, Tenerife, Spain; Universidad de La Laguna , Dpto. Astrofísica, E-38206 La Laguna, Tenerife, SpainInstitut de Física d’Altes Energies (IFAE) , The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona) SpainLaboratório Interinstitucional de e-Astronomia—LIneA , Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, BrazilHamburger Sternwarte, Universität Hamburg , Gojenbergsweg 112, D-21029 Hamburg, GermanyCentro de Investigaciones Energéticas , Medioambientales y Tecnológicas (CIEMAT), Madrid, SpainDepartment of Physics, IIT Hyderabad , Kandi, Telangana 502285, IndiaDepartment of Physics & Astronomy, University College London , Gower Street, London, WC1E 6BT, UKFermi National Accelerator Laboratory , P.O. Box 500, Batavia, IL 60510, USA; Department of Astronomy and Astrophysics, University of Chicago , Chicago, IL 60637, USA; Kavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637, USAJet Propulsion Laboratory, California Institute of Technology , 4800 Oak Grove Drive, Pasadena, CA 91109, USAInstitute of Theoretical Astrophysics , University of Oslo.P.O. Box 1029 Blindern, NO-0315 Oslo, NorwayFermi National Accelerator Laboratory , P.O. Box 500, Batavia, IL 60510, USA; Kavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637, USAInstituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid , E-28049 Madrid, SpainDepartment of Physics, University of Michigan , Ann Arbor, MI 48109, USA; Department of Astronomy, University of Michigan , Ann Arbor, MI 48109, USAUniversity Observatory, Faculty of Physics, Ludwig-Maximilians-Universität , Scheinerstr. 1, D-81679 Munich, GermanyFermi National Accelerator Laboratory , P.O. Box 500, Batavia, IL 60510, USAFermi National Accelerator Laboratory , P.O. Box 500, Batavia, IL 60510, USASchool of Mathematics and Physics, University of Queensland , Brisbane, QLD 4072, AustraliaSanta Cruz Institute for Particle Physics , Santa Cruz, CA 95064, USACenter for Cosmology and Astro-Particle Physics , The Ohio State University, Columbus, OH 43210, USA; Department of Physics, The Ohio State University , Columbus, OH 43210, USACenter for Astrophysics ∣ Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138, USAAustralian Astronomical Optics, Macquarie University , North Ryde, NSW 2113, Australia; Lowell Observatory , 1400 Mars Hill Rd, Flagstaff, AZ 86001, USAFermi National Accelerator Laboratory , P.O. Box 500, Batavia, IL 60510, USAGeorge P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A&M University , College Station, TX 77843, USACentro de Investigaciones Energéticas , Medioambientales y Tecnológicas (CIEMAT), Madrid, SpainInstitut de Física d’Altes Energies (IFAE) , The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona) Spain; Institució Catalana de Recerca i Estudis Avançats , E-08010 Barcelona, SpainObservatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, BrazilLaboratório Interinstitucional de e-Astronomia—LIneA , Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, Brazil; Observatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, BrazilDepartment of Astrophysical Sciences, Princeton University , Peyton Hall, Princeton, NJ 08544, USADepartment of Physics, University of Genova and INFN , Via Dodecaneso 33, I-16146, Genova, ItalySLAC National Accelerator Laboratory , Menlo Park, CA 94025, USACentro de Investigaciones Energéticas , Medioambientales y Tecnológicas (CIEMAT), Madrid, SpainCentro de Investigaciones Energéticas , Medioambientales y Tecnológicas (CIEMAT), Madrid, SpainSchool of Physics and Astronomy, University of Southampton , Southampton, SO17 1BJ, UKDepartment of Physics, University of Michigan , Ann Arbor, MI 48109, USAComputer Science and Mathematics Division, Oak Ridge National Laboratory , Oak Ridge, TN 37831, USASchool of Physics and Astronomy, University of Southampton , Southampton, SO17 1BJ, UKSchool of Physics and Astronomy, University of Southampton , Southampton, SO17 1BJ, UKWe combine photometry of Eris from a 6 month campaign on the Palomar 60 inch telescope in 2015, a 1 month Hubble Space Telescope WFC3 campaign in 2018, and Dark Energy Survey data spanning 2013–2018 to determine a light curve of definitive period 15.771 ± 0.008 days (1 σ formal uncertainties), with nearly sinusoidal shape and peak-to-peak flux variation of 3%. This is consistent at part-per-thousand precision with the P = 15.785 90 ± 0.00005 day sidereal period of Dysnomia’s orbit around Eris, strengthening the recent detection of synchronous rotation of Eris by Szakáts et al. with independent data. Photometry from Gaia are consistent with the same light curve. We detect a slope of 0.05 ± 0.01 mag per degree of Eris’s brightness with respect to illumination phase averaged across g , V , and r bands, intermediate between Pluto’s and Charon’s values. Variations of 0.3 mag are detected in Dysnomia’s brightness, plausibly consistent with a double-peaked light curve at the synchronous period. The synchronous rotation of Eris is consistent with simple tidal models initiated with a giant-impact origin of the binary, but is difficult to reconcile with gravitational capture of Dysnomia by Eris. The high albedo contrast between Eris and Dysnomia remains unexplained in the giant-impact scenario.https://doi.org/10.3847/PSJ/acdd5fTrans-Neptunian objectsSmall Solar System bodiesTidal frictionDwarf planetsAsteroid rotation |
| spellingShingle | Gary M. Bernstein Bryan J. Holler Rosario Navarro-Escamilla Pedro H. Bernardinelli T. M. C. Abbott M. Aguena S. Allam O. Alves F. Andrade-Oliveira J. Annis D. Bacon D. Brooks D. L. Burke A. Carnero Rosell J. Carretero L. N. da Costa M. E. S. Pereira J. De Vicente S. Desai P. Doel A. Drlica-Wagner S. Everett I. Ferrero J. Frieman J. García-Bellido D. W. Gerdes D. Gruen G. Gutierrez K. Herner S. R. Hinton D. L. Hollowood K. Honscheid D. J. James K. Kuehn N. Kuropatkin J. L. Marshall J. Mena-Fernández R. Miquel R. L. C. Ogando A. Pieres A. A. Plazas Malagón M. Raveri K. Reil E. Sanchez I. Sevilla-Noarbe M. Smith M. Soares-Santos E. Suchyta M. E. C. Swanson P. Wiseman The DES Collaboration Synchronous Rotation in the (136199) Eris–Dysnomia System The Planetary Science Journal Trans-Neptunian objects Small Solar System bodies Tidal friction Dwarf planets Asteroid rotation |
| title | Synchronous Rotation in the (136199) Eris–Dysnomia System |
| title_full | Synchronous Rotation in the (136199) Eris–Dysnomia System |
| title_fullStr | Synchronous Rotation in the (136199) Eris–Dysnomia System |
| title_full_unstemmed | Synchronous Rotation in the (136199) Eris–Dysnomia System |
| title_short | Synchronous Rotation in the (136199) Eris–Dysnomia System |
| title_sort | synchronous rotation in the 136199 eris dysnomia system |
| topic | Trans-Neptunian objects Small Solar System bodies Tidal friction Dwarf planets Asteroid rotation |
| url | https://doi.org/10.3847/PSJ/acdd5f |
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