NGTS-10b: the shortest period hot Jupiter yet discovered
Author
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McCormac, James
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Gillen, Edward
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Jackman, James A. G.
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Brown, David J. A.
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Bayliss, Daniel
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Wheatley, Peter J.
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Anderson, David R.
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Armstrong, David J.
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Bouchy, Francois
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Briegal, Joshua T.
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Burleigh, Matthew R.
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Jara Cabrera, Juan Miguel
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Casewell, Sarah L.
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Chaushev, Alexander
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Chazelas, Bruno
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Chote, Paul
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Cooke, Benjamin F
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Costes, Jean C.
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Csizmadia, Szilárd
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Eigmüller, Philipp
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Erikson, Anders
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Foxell, Emma
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Gänsicke, Boris T.
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Goad, Michael R.
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Günther, Maximilian N.
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Hodgkin, Simon T.
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Hooton, Matthew J.
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Jenkins, James S.
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Lambert, Gregory
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Lendl, Monika
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Longstaff, Emma
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Louden, Tom
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Moyano, Maximiliano
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Nielsen, Louise D.
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Pollacco, Don
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Queloz, Didier
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Rauer, Heike
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Raynard, Liam
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Smith, Alexis M. S.
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Smalley, Barry
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Soto, Maritza
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Turner, Oliver
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Udry, Stéphane
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Vines, José I.
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Walker, Simón R.
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Watson, Christopher A.
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West, Richard G.
Admission date
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2020-07-07T16:17:17Z
Available date
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2020-07-07T16:17:17Z
Publication date
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2020
Cita de ítem
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MNRAS 493, 126–140 (2020)
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Identifier
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10.1093/mnras/staa115
Identifier
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https://repositorio.uchile.cl/handle/2250/175833
Abstract
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We report the discovery of a new ultrashort period (USP) transiting hot Jupiter from the Next Generation Transit Survey (NGTS). NGTS-10b has a mass and radius of 2.162(-0.107)(+0.092) M-J and 1.205(-0.083)(+0.117) R-J and orbits its host star with a period of 0.7668944 +/- 0.0000003 d, making it the shortest period hot Jupiter yet discovered. The host is a 10.4 +/- 2.5 Gyr old K5V star (T-eff = 4400 +/- 100 K) of Solar metallicity ([Fe/H] = -0.02 +/- 0.12 dex) showing moderate signs of stellar activity. NGTS-10b joins a short list of USP Jupiters that are prime candidates for the study of star-planet tidal interactions. NGTS-10b orbits its host at just 1.46 +/- 0.18 Roche radii, and we calculate a median remaining inspiral time of 38 Myr and a potentially measurable orbital period decay of 7 s over the coming decade, assuming a stellar tidal quality factor Q(s)'= 2 x 10(7).
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Patrocinador
dc.description.sponsorship
University of Warwick
Queen's University Belfast
University of Geneva
Deutsches Zentrum fur Luft-and Raumfahrt c.V.
University of Cambridge
Science & Technology Facilities Council (STFC)
ST/M001962/1
Science & Technology Facilities Council (STFC)
ST/P000312/1
RGW, DEP
Swiss National Science Foundation (SNSF)
David and Claudia Harding Foundation in the form of a Winton Exoplanet Fellowship
Science & Technology Facilities Council (STFC)
1226157
MIT's Kavli Institute
STFC via an Ernest Rutherford Fellowship
ST/R003726/1
FONDECY'I' grant
1161218
Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT)
CONICYT PIA/BASAL
PI306
CONICYT-PFCHA/Doctorado Nacional-21191829, Chile
UK Space Agency
German Research Foundation (DFG)
SPP 1992
RA 714/131
European Research Council (ERC)
681601
European Research Council (ERC)
320964