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Search: WFRF:(Felice H.) > (2015-2019) > K2-98b: A 32 M ⊕ Ne...

K2-98b: A 32 M ⊕ Neptune-Siza Planet in a 10 Day Orbit Transiting an F8 Star

Barragán, Oscar (author)
Universita degli Studi di Torino,University of Turin
Grziwa, Sascha (author)
Universität zu Köln,University of Cologne
Gandolfi, Davide (author)
Universita degli Studi di Torino,University of Turin
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Fridlund, Malcolm, 1952 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Endl, Michael (author)
The University of Texas at Austin, USA
Deeg, H. J. (author)
Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
Cagigal, Manuel P. (author)
Universidad de Cantabria,University of Cantabria
Lanza, Antonino F. (author)
Istituto nazionale di astrofisica (INAF)
Moroni, Pier G Prada (author)
Istituto Nazionale di Fisica Nucleare,National Institute for Nuclear Physics,Universita di Pisa,University of Pisa
Smith, A. M S (author)
Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
Korth, Judith (author)
Universität zu Köln,University of Cologne
Bedell, Megan (author)
University of Chicago
Cabrera, Juan (author)
Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
Cochran, William D. (author)
The University of Texas at Austin, USA
Cusano, Felice (author)
Osservatorio Astronomico Di Bologna
Csizmadia, Szilard (author)
Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
Eigmüller, Philipp (author)
Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
Erikson, Anders (author)
Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
Guenther, Eike W. (author)
Thüringer Landessternwarte Tautenburg
Hatzes, Artie P. (author)
Thüringer Landessternwarte Tautenburg
Nespral, David (author)
Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
Pätzold, Martin (author)
Universität zu Köln,University of Cologne
Prieto-Arranz, Jorge (author)
Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
Rauer, Heike (author)
Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR),Technische Universität Berlin
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 (creator_code:org_t)
2016-11-28
2016
English.
In: Astronomical Journal. - : American Astronomical Society. - 1538-3881 .- 0004-6256. ; 152:6, s. Art. no. 193-
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We report the discovery of K2-98b (EPIC 211391664b), a transiting Neptune-size planet monitored by the K2 mission during its Campaign 5. We combine the K2 time-series data with ground-based photometric and spectroscopic follow-up observations to confirm the planetary nature of the object and derive its mass, radius, and orbital parameters. K2-98b is a warm Neptune-like planet in a 10 day orbit around a V = 12.2 mag F-type star with M ? = 1.074 ±0.042 M o, R ? = R o, and age of . We derive a planetary mass and radius of M p = 32.2 ±8.1 M ? and R p = R ?. K2-98b joins the relatively small group of Neptune-size planets whose mass and radius have been derived with a precision better than 25%. We estimate that the planet will be engulfed by its host star in ?3 Gyr, due to the evolution of the latter toward the red giant branch.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Keyword

planets and satellites: individual K2-98b (EPIC 211391664b)
stars: fundamental parameters
planets and satellites: detection

Publication and Content Type

art (subject category)
ref (subject category)

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