EPIC 219388192b: an inhabitant of the brown dwarf desert in the Ruprecht 147 open cluster

We report the discovery of EPIC 219388192b, a transiting brown dwarf in a 5.3 day orbit around a member star of Ruprecht 147, the oldest nearby open cluster association, which was photometrically monitored by K2 during its Campaign 7. We combine the K2 time-series data with ground-based adaptive opt...

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Hauptverfasser: Nowak, Grzegorz (VerfasserIn) , Gandolfi, Davide (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 2017 February 27
In: The astronomical journal
Year: 2017, Jahrgang: 153, Heft: 3
ISSN:1538-3881
DOI:10.3847/1538-3881/aa5cb6
Online-Zugang:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.3847/1538-3881/aa5cb6
Verlag, kostenfrei, Volltext: http://stacks.iop.org/1538-3881/153/i=3/a=131
Volltext
Verfasserangaben:Grzegorz Nowak, Enric Palle, Davide Gandolfi, Fei Dai, Antonino F. Lanza, Teruyuki Hirano, Oscar Barragán, Akihiko Fukui, Hans Bruntt, Michael Endl, William D. Cochran, Pier G. Prada Moroni, Jorge Prieto-Arranz, Amanda Kiilerich, David Nespral, Artie P. Hatzes, Simon Albrecht, Hans Deeg, Joshua N. Winn, Liang Yu, Masayuki Kuzuhara, Sascha Grziwa, Alexis M. S. Smith, Eike W. Guenther, Vincent Van Eylen, Szilard Csizmadia, Malcolm Fridlund, Juan Cabrera, Philipp Eigmüller, Anders Erikson, Judith Korth, Norio Narita, Martin Pätzold, Heike Rauer, and Ignasi Ribas
Beschreibung
Zusammenfassung:We report the discovery of EPIC 219388192b, a transiting brown dwarf in a 5.3 day orbit around a member star of Ruprecht 147, the oldest nearby open cluster association, which was photometrically monitored by K2 during its Campaign 7. We combine the K2 time-series data with ground-based adaptive optics imaging and high-resolution spectroscopy to rule out false positive scenarios and determine the main parameters of the system.
Beschreibung:Gesehen am 17.04.2018
Beschreibung:Online Resource
ISSN:1538-3881
DOI:10.3847/1538-3881/aa5cb6