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| Verfasst von: | Bowens-Rubin, Rachel [VerfasserIn]  |
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| | Murphy, Joseph M. Akana [VerfasserIn] |
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| | Hinz, Philip M. [VerfasserIn] |
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| | Limbach, Mary Anne [VerfasserIn] |
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| | Seifahrt, Andreas [VerfasserIn] |
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| | Kiman, Rocio [VerfasserIn] |
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| | Salama, Maïssa [VerfasserIn] |
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| | Mukherjee, Sagnick [VerfasserIn] |
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| | Brady, Madison [VerfasserIn] |
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| | Carter, Aarynn L. [VerfasserIn] |
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| | Jensen-Clem, Rebecca [VerfasserIn] |
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| | Kooten, Maaike A. M. van [VerfasserIn] |
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| | Isaacson, Howard [VerfasserIn] |
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| | Kosiarek, Molly [VerfasserIn] |
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| | Bean, Jacob L. [VerfasserIn] |
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| | Kasper, David [VerfasserIn] |
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| | Luque, Rafael [VerfasserIn] |
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| | Stefánsson, Gudmundur [VerfasserIn] |
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| | Stürmer, Julian [VerfasserIn] |
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| Titel: | A Wolf 359 in sheep's clothing |
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| Titelzusatz: | hunting for substellar companions in the fifth-closest system using combined high-contrast imaging and radial velocity analysis |
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| Verf.angabe: | Rachel Bowens-Rubin, Joseph M. Akana Murphy, Philip M. Hinz, Mary Anne Limbach, Andreas Seifahrt, Rocio Kiman, Maïssa Salama, Sagnick Mukherjee, Madison Brady, Aarynn L. Carter, Rebecca Jensen-Clem, Maaike A. M. van Kooten, Howard Isaacson, Molly Kosiarek, Jacob L. Bean, David Kasper, Rafael Luque, Gudmundur Stefánsson, and Julian Stürmer |
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| E-Jahr: | 2023 |
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| Jahr: | 2023 November 22 |
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| Umfang: | 23 S. |
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| Illustrationen: | Illustrationen |
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| Fussnoten: | Gesehen am 26.01.2024 |
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| Titel Quelle: | Enthalten in: The astronomical journal |
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| Ort Quelle: | Washington, DC : AAS Publishing, American Astronomical Society, 1998 |
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| Jahr Quelle: | 2023 |
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| Band/Heft Quelle: | 166(2023), 6, Artikel-ID 260, Seite 1-23 |
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| ISSN Quelle: | 1538-3881 |
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| Abstract: | Wolf 359 (CN Leo, GJ 406, Gaia DR3 3864972938605115520) is a low-mass star in the fifth-closest neighboring system (2.41 pc). Because of its relative youth and proximity, Wolf 359 offers a unique opportunity to study substellar companions around M stars using infrared high-contrast imaging and radial velocity monitoring. We present the results of Ms-band (4.67 μm) vector vortex coronagraphic imaging using Keck-NIRC2 and add 12 Keck-HIRES and 68 MAROON-X velocities to the radial velocity baseline. Our analysis incorporates these data alongside literature radial velocities from CARMENES, the High Accuracy Radial velocity Planet Searcher, and Keck-HIRES to rule out the existence of a close (a < 10 au) stellar or brown dwarf companion and the majority of large gas giant companions. Our survey does not refute or confirm the long-period radial velocity candidate, Wolf 359 b (P ∼ 2900 days), but rules out the candidate's existence as a large gas giant (>4 M Jup) assuming an age of younger than 1 Gyr. We discuss the performance of our high-contrast imaging survey to aid future observers using Keck-NIRC2 in conjunction with the vortex coronagraph in the Ms band and conclude by exploring the direct imaging capabilities with JWST to observe Jupiter- and Neptune-mass planets around Wolf 359. |
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| DOI: | doi:10.3847/1538-3881/ad03e5 |
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| URL: | Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.
Volltext: https://doi.org/10.3847/1538-3881/ad03e5 |
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| | Volltext: https://dx.doi.org/10.3847/1538-3881/ad03e5 |
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| | DOI: https://doi.org/10.3847/1538-3881/ad03e5 |
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| Datenträger: | Online-Ressource |
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| Sprache: | eng |
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| K10plus-PPN: | 187908838X |
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| Verknüpfungen: | → Zeitschrift |
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¬A¬ Wolf 359 in sheep's clothing / Bowens-Rubin, Rachel [VerfasserIn]; 2023 November 22 (Online-Ressource)
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