KEPLER-424 b: A "LONELY'' HOT JUPITER THAT FOUND A COMPANION

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KEPLER-424 b : A "LONELY'' HOT JUPITER THAT FOUND A COMPANION. / Endl, Michael; Caldwell, Douglas A.; Barclay, Thomas; Huber, Daniel; Isaacson, Howard; Buchhave, Lars C. Astrup; Brugamyer, Erik; Robertson, Paul; Cochran, William D.; MacQueen, Phillip J.; Havel, Mathieu; Lucas, Phillip; Howell, Steve B.; Fischer, Debra; Quintana, Elisa; Ciardi, David R.

In: The Astrophysical Journal Letters, Vol. 795, No. 2, 151, 10.11.2014.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Endl, M, Caldwell, DA, Barclay, T, Huber, D, Isaacson, H, Buchhave, LCA, Brugamyer, E, Robertson, P, Cochran, WD, MacQueen, PJ, Havel, M, Lucas, P, Howell, SB, Fischer, D, Quintana, E & Ciardi, DR 2014, 'KEPLER-424 b: A "LONELY'' HOT JUPITER THAT FOUND A COMPANION', The Astrophysical Journal Letters, vol. 795, no. 2, 151. https://doi.org/10.1088/0004-637X/795/2/151

APA

Endl, M., Caldwell, D. A., Barclay, T., Huber, D., Isaacson, H., Buchhave, L. C. A., Brugamyer, E., Robertson, P., Cochran, W. D., MacQueen, P. J., Havel, M., Lucas, P., Howell, S. B., Fischer, D., Quintana, E., & Ciardi, D. R. (2014). KEPLER-424 b: A "LONELY'' HOT JUPITER THAT FOUND A COMPANION. The Astrophysical Journal Letters, 795(2), [151]. https://doi.org/10.1088/0004-637X/795/2/151

Vancouver

Endl M, Caldwell DA, Barclay T, Huber D, Isaacson H, Buchhave LCA et al. KEPLER-424 b: A "LONELY'' HOT JUPITER THAT FOUND A COMPANION. The Astrophysical Journal Letters. 2014 Nov 10;795(2). 151. https://doi.org/10.1088/0004-637X/795/2/151

Author

Endl, Michael ; Caldwell, Douglas A. ; Barclay, Thomas ; Huber, Daniel ; Isaacson, Howard ; Buchhave, Lars C. Astrup ; Brugamyer, Erik ; Robertson, Paul ; Cochran, William D. ; MacQueen, Phillip J. ; Havel, Mathieu ; Lucas, Phillip ; Howell, Steve B. ; Fischer, Debra ; Quintana, Elisa ; Ciardi, David R. / KEPLER-424 b : A "LONELY'' HOT JUPITER THAT FOUND A COMPANION. In: The Astrophysical Journal Letters. 2014 ; Vol. 795, No. 2.

Bibtex

@article{17a3fafed7d4474f9ab5922a7e9e6619,
title = "KEPLER-424 b: A {"}LONELY'' HOT JUPITER THAT FOUND A COMPANION",
abstract = "Hot Jupiter systems provide unique observational constraints for migration models in multiple systems and binaries. We report on the discovery of the Kepler-424 (KOI-214) two-planet system, which consists of a transiting hot Jupiter (Kepler-424b) in a 3.31 day orbit accompanied by a more massive outer companion in an eccentric (e = 0.3) 223 day orbit. The outer giant planet, Kepler-424c, is not detected transiting the host star. The masses of both planets and the orbital parameters for the second planet were determined using precise radial velocity (RV) measurements from the Hobby-Eberly Telescope (HET) and its High Resolution Spectrograph (HRS). In stark contrast to smaller planets, hot Jupiters are predominantly found to be lacking any nearby additional planets; they appear to be {"}lonely{"}. This might be a consequence of these systems having a highly dynamical past. The Kepler-424 planetary system has a hot Jupiter in a multiple system, similar to Andromedae. We also present our results for Kepler-422 (KOI-22), Kepler-77 (KOI-127), Kepler-43 (KOI-135), and Kepler-423 (KOI-183). These results are based on spectroscopic data collected with the Nordic Optical Telescope (NOT), the Keck 1 telescope, and HET. For all systems, we rule out false positives based on various follow-up observations, confirming the planetary nature of these companions. We performed a comparison with planetary evolutionary models which indicate that these five hot Jupiters have heavy element contents between 20 and 120 M ⊕.",
author = "Michael Endl and Caldwell, {Douglas A.} and Thomas Barclay and Daniel Huber and Howard Isaacson and Buchhave, {Lars C. Astrup} and Erik Brugamyer and Paul Robertson and Cochran, {William D.} and MacQueen, {Phillip J.} and Mathieu Havel and Phillip Lucas and Howell, {Steve B.} and Debra Fischer and Elisa Quintana and Ciardi, {David R.}",
year = "2014",
month = nov,
day = "10",
doi = "10.1088/0004-637X/795/2/151",
language = "English",
volume = "795",
journal = "Astrophysical Journal",
issn = "0004-637X",
publisher = "Institute of Physics Publishing, Inc",
number = "2",

}

RIS

TY - JOUR

T1 - KEPLER-424 b

T2 - A "LONELY'' HOT JUPITER THAT FOUND A COMPANION

AU - Endl, Michael

AU - Caldwell, Douglas A.

AU - Barclay, Thomas

AU - Huber, Daniel

AU - Isaacson, Howard

AU - Buchhave, Lars C. Astrup

AU - Brugamyer, Erik

AU - Robertson, Paul

AU - Cochran, William D.

AU - MacQueen, Phillip J.

AU - Havel, Mathieu

AU - Lucas, Phillip

AU - Howell, Steve B.

AU - Fischer, Debra

AU - Quintana, Elisa

AU - Ciardi, David R.

PY - 2014/11/10

Y1 - 2014/11/10

N2 - Hot Jupiter systems provide unique observational constraints for migration models in multiple systems and binaries. We report on the discovery of the Kepler-424 (KOI-214) two-planet system, which consists of a transiting hot Jupiter (Kepler-424b) in a 3.31 day orbit accompanied by a more massive outer companion in an eccentric (e = 0.3) 223 day orbit. The outer giant planet, Kepler-424c, is not detected transiting the host star. The masses of both planets and the orbital parameters for the second planet were determined using precise radial velocity (RV) measurements from the Hobby-Eberly Telescope (HET) and its High Resolution Spectrograph (HRS). In stark contrast to smaller planets, hot Jupiters are predominantly found to be lacking any nearby additional planets; they appear to be "lonely". This might be a consequence of these systems having a highly dynamical past. The Kepler-424 planetary system has a hot Jupiter in a multiple system, similar to Andromedae. We also present our results for Kepler-422 (KOI-22), Kepler-77 (KOI-127), Kepler-43 (KOI-135), and Kepler-423 (KOI-183). These results are based on spectroscopic data collected with the Nordic Optical Telescope (NOT), the Keck 1 telescope, and HET. For all systems, we rule out false positives based on various follow-up observations, confirming the planetary nature of these companions. We performed a comparison with planetary evolutionary models which indicate that these five hot Jupiters have heavy element contents between 20 and 120 M ⊕.

AB - Hot Jupiter systems provide unique observational constraints for migration models in multiple systems and binaries. We report on the discovery of the Kepler-424 (KOI-214) two-planet system, which consists of a transiting hot Jupiter (Kepler-424b) in a 3.31 day orbit accompanied by a more massive outer companion in an eccentric (e = 0.3) 223 day orbit. The outer giant planet, Kepler-424c, is not detected transiting the host star. The masses of both planets and the orbital parameters for the second planet were determined using precise radial velocity (RV) measurements from the Hobby-Eberly Telescope (HET) and its High Resolution Spectrograph (HRS). In stark contrast to smaller planets, hot Jupiters are predominantly found to be lacking any nearby additional planets; they appear to be "lonely". This might be a consequence of these systems having a highly dynamical past. The Kepler-424 planetary system has a hot Jupiter in a multiple system, similar to Andromedae. We also present our results for Kepler-422 (KOI-22), Kepler-77 (KOI-127), Kepler-43 (KOI-135), and Kepler-423 (KOI-183). These results are based on spectroscopic data collected with the Nordic Optical Telescope (NOT), the Keck 1 telescope, and HET. For all systems, we rule out false positives based on various follow-up observations, confirming the planetary nature of these companions. We performed a comparison with planetary evolutionary models which indicate that these five hot Jupiters have heavy element contents between 20 and 120 M ⊕.

U2 - 10.1088/0004-637X/795/2/151

DO - 10.1088/0004-637X/795/2/151

M3 - Journal article

VL - 795

JO - Astrophysical Journal

JF - Astrophysical Journal

SN - 0004-637X

IS - 2

M1 - 151

ER -

ID: 138818712