Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65

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Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65. / Chaplin, W. J.; Sanchis-Ojeda, R.; Campante, T. L.; Handberg, R.; Stello, D.; Winn, J. N.; Basu, S.; Christensen-Dalsgaard, Jørgen; Davies, G. R.; Metcalfe, T. S.; Buchhave, Lars A.; Fischer, D. A.; Bedding, T. R.; Cochran, W. D.; Elsworth, Y.; Gilliland, R. L.; Hekker, S.; Huber, D.; Isaacson, H.; Karoff, Christoffer; Kawaler, S. D.; Kjeldsen, H.; Latham, D. W.; Lund, M. N.; Lundkvist, M.; Marcy, G. W.; Miglio, A.; Barclay, T.; Lissauer, J. J.

In: The Astrophysical Journal, Vol. 766, No. 2, 101, 01.04.2013.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Chaplin, WJ, Sanchis-Ojeda, R, Campante, TL, Handberg, R, Stello, D, Winn, JN, Basu, S, Christensen-Dalsgaard, J, Davies, GR, Metcalfe, TS, Buchhave, LA, Fischer, DA, Bedding, TR, Cochran, WD, Elsworth, Y, Gilliland, RL, Hekker, S, Huber, D, Isaacson, H, Karoff, C, Kawaler, SD, Kjeldsen, H, Latham, DW, Lund, MN, Lundkvist, M, Marcy, GW, Miglio, A, Barclay, T & Lissauer, JJ 2013, 'Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65', The Astrophysical Journal, vol. 766, no. 2, 101. https://doi.org/10.1088/0004-637X/766/2/101

APA

Chaplin, W. J., Sanchis-Ojeda, R., Campante, T. L., Handberg, R., Stello, D., Winn, J. N., Basu, S., Christensen-Dalsgaard, J., Davies, G. R., Metcalfe, T. S., Buchhave, L. A., Fischer, D. A., Bedding, T. R., Cochran, W. D., Elsworth, Y., Gilliland, R. L., Hekker, S., Huber, D., Isaacson, H., ... Lissauer, J. J. (2013). Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65. The Astrophysical Journal, 766(2), [101]. https://doi.org/10.1088/0004-637X/766/2/101

Vancouver

Chaplin WJ, Sanchis-Ojeda R, Campante TL, Handberg R, Stello D, Winn JN et al. Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65. The Astrophysical Journal. 2013 Apr 1;766(2). 101. https://doi.org/10.1088/0004-637X/766/2/101

Author

Chaplin, W. J. ; Sanchis-Ojeda, R. ; Campante, T. L. ; Handberg, R. ; Stello, D. ; Winn, J. N. ; Basu, S. ; Christensen-Dalsgaard, Jørgen ; Davies, G. R. ; Metcalfe, T. S. ; Buchhave, Lars A. ; Fischer, D. A. ; Bedding, T. R. ; Cochran, W. D. ; Elsworth, Y. ; Gilliland, R. L. ; Hekker, S. ; Huber, D. ; Isaacson, H. ; Karoff, Christoffer ; Kawaler, S. D. ; Kjeldsen, H. ; Latham, D. W. ; Lund, M. N. ; Lundkvist, M. ; Marcy, G. W. ; Miglio, A. ; Barclay, T. ; Lissauer, J. J. / Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65. In: The Astrophysical Journal. 2013 ; Vol. 766, No. 2.

Bibtex

@article{95385fba4536462ebe36c3b0054ad017,
title = "Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65",
abstract = "Results on the obliquity of exoplanet host stars - the angle between the stellar spin axis and the planetary orbital axis - provide important diagnostic information for theories describing planetary formation. Here we present the first application of asteroseismology to the problem of stellar obliquity determination in systems with transiting planets and Sun-like host stars. We consider two systems observed by the NASA Kepler mission which have multiple transiting small (super-Earth sized) planets: the previously reported Kepler-50 and a new system, Kepler-65, whose planets we validate in this paper. Both stars show rich spectra of solar-like oscillations. From the asteroseismic analysis we find that each host has its rotation axis nearly perpendicular to the line of sight with the sines of the angles constrained at the 1s level to lie above 0.97 and 0.91, respectively. We use statistical arguments to show that coplanar orbits are favored in both systems, and that the orientations of the planetary orbits and the stellar rotation axis are correlated.",
author = "Chaplin, {W. J.} and R. Sanchis-Ojeda and Campante, {T. L.} and R. Handberg and D. Stello and Winn, {J. N.} and S. Basu and J{\o}rgen Christensen-Dalsgaard and Davies, {G. R.} and Metcalfe, {T. S.} and Buchhave, {Lars A.} and Fischer, {D. A.} and Bedding, {T. R.} and Cochran, {W. D.} and Y. Elsworth and Gilliland, {R. L.} and S. Hekker and D. Huber and H. Isaacson and Christoffer Karoff and Kawaler, {S. D.} and H. Kjeldsen and Latham, {D. W.} and Lund, {M. N.} and M. Lundkvist and Marcy, {G. W.} and A. Miglio and T. Barclay and Lissauer, {J. J.}",
year = "2013",
month = apr,
day = "1",
doi = "10.1088/0004-637X/766/2/101",
language = "English",
volume = "766",
journal = "Astrophysical Journal",
issn = "0004-637X",
publisher = "Institute of Physics Publishing, Inc",
number = "2",

}

RIS

TY - JOUR

T1 - Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65

AU - Chaplin, W. J.

AU - Sanchis-Ojeda, R.

AU - Campante, T. L.

AU - Handberg, R.

AU - Stello, D.

AU - Winn, J. N.

AU - Basu, S.

AU - Christensen-Dalsgaard, Jørgen

AU - Davies, G. R.

AU - Metcalfe, T. S.

AU - Buchhave, Lars A.

AU - Fischer, D. A.

AU - Bedding, T. R.

AU - Cochran, W. D.

AU - Elsworth, Y.

AU - Gilliland, R. L.

AU - Hekker, S.

AU - Huber, D.

AU - Isaacson, H.

AU - Karoff, Christoffer

AU - Kawaler, S. D.

AU - Kjeldsen, H.

AU - Latham, D. W.

AU - Lund, M. N.

AU - Lundkvist, M.

AU - Marcy, G. W.

AU - Miglio, A.

AU - Barclay, T.

AU - Lissauer, J. J.

PY - 2013/4/1

Y1 - 2013/4/1

N2 - Results on the obliquity of exoplanet host stars - the angle between the stellar spin axis and the planetary orbital axis - provide important diagnostic information for theories describing planetary formation. Here we present the first application of asteroseismology to the problem of stellar obliquity determination in systems with transiting planets and Sun-like host stars. We consider two systems observed by the NASA Kepler mission which have multiple transiting small (super-Earth sized) planets: the previously reported Kepler-50 and a new system, Kepler-65, whose planets we validate in this paper. Both stars show rich spectra of solar-like oscillations. From the asteroseismic analysis we find that each host has its rotation axis nearly perpendicular to the line of sight with the sines of the angles constrained at the 1s level to lie above 0.97 and 0.91, respectively. We use statistical arguments to show that coplanar orbits are favored in both systems, and that the orientations of the planetary orbits and the stellar rotation axis are correlated.

AB - Results on the obliquity of exoplanet host stars - the angle between the stellar spin axis and the planetary orbital axis - provide important diagnostic information for theories describing planetary formation. Here we present the first application of asteroseismology to the problem of stellar obliquity determination in systems with transiting planets and Sun-like host stars. We consider two systems observed by the NASA Kepler mission which have multiple transiting small (super-Earth sized) planets: the previously reported Kepler-50 and a new system, Kepler-65, whose planets we validate in this paper. Both stars show rich spectra of solar-like oscillations. From the asteroseismic analysis we find that each host has its rotation axis nearly perpendicular to the line of sight with the sines of the angles constrained at the 1s level to lie above 0.97 and 0.91, respectively. We use statistical arguments to show that coplanar orbits are favored in both systems, and that the orientations of the planetary orbits and the stellar rotation axis are correlated.

UR - http://www.scopus.com/inward/record.url?scp=84875439273&partnerID=8YFLogxK

U2 - 10.1088/0004-637X/766/2/101

DO - 10.1088/0004-637X/766/2/101

M3 - Journal article

AN - SCOPUS:84875439273

VL - 766

JO - Astrophysical Journal

JF - Astrophysical Journal

SN - 0004-637X

IS - 2

M1 - 101

ER -

ID: 45576535