KOI-126: A Triply Eclipsing Hierarchical Triple with Two Low-Mass Stars

J.A. Carter...[et al.]; D.C. Fabrycky; D. Ragozzin; Lars C. Astrup Buchhave

doi:10.1126/science.1201274

KOI-126: A Triply Eclipsing Hierarchical Triple with Two Low-Mass Stars

J.A. Carter...[et al.], D.C. Fabrycky, D. Ragozzin, Lars C. Astrup Buchhave

146 Citations (Scopus)

Abstract

The Kepler spacecraft has been monitoring the light from 150,000 stars in its primary quest to detect transiting exoplanets. Here, we report on the detection of an eclipsing stellar hierarchical triple, identified in the Kepler photometry. KOI-126 [A, (B, C)], is composed of a low-mass binary [masses M _B = 0.2413 ± 0.0030 solar mass (M_{Fish eye}), M _C = 0.2127 ± 0.0026 M_{Fish eye}; radii R_B = 0.2543 ± 0.0014 solar radius (R_{Fish eye}), R_C = 0.2318 ± 0.0013 R_{Fish eye}; orbital period P₁ = 1.76713 ± 0.00019 days] on an eccentric orbit about a third star (mass M_A = 1.347 ± 0.032 M_{Fish eye}; radius R_A = 2.0254 ± 0.0098 R_{Fish eye}; period of orbit around the low-mass binary P₂ = 33.9214 ± 0.0013 days; eccentricity of that orbit e₂ = 0.3043 ± 0.0024). The low-mass pair probe the poorly sampled fully convective stellar domain offering a crucial benchmark for theoretical stellar models.

Original language	English
Journal	Science
Volume	331
Issue number	6017
Pages (from-to)	562-565
ISSN	0036-8075
DOIs	https://doi.org/10.1126/science.1201274
Publication status	Published - 4 Feb 2011

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@article{13cbd67e7a784d5ea52f1d8d1cb5b4f3,

title = "KOI-126: A Triply Eclipsing Hierarchical Triple with Two Low-Mass Stars",

abstract = "The Kepler spacecraft has been monitoring the light from 150,000 stars in its primary quest to detect transiting exoplanets. Here, we report on the detection of an eclipsing stellar hierarchical triple, identified in the Kepler photometry. KOI-126 [A, (B, C)], is composed of a low-mass binary [masses M B = 0.2413 ± 0.0030 solar mass (MFish eye), M C = 0.2127 ± 0.0026 MFish eye; radii RB = 0.2543 ± 0.0014 solar radius (RFish eye), RC = 0.2318 ± 0.0013 RFish eye; orbital period P1 = 1.76713 ± 0.00019 days] on an eccentric orbit about a third star (mass MA = 1.347 ± 0.032 MFish eye; radius RA = 2.0254 ± 0.0098 RFish eye; period of orbit around the low-mass binary P2 = 33.9214 ± 0.0013 days; eccentricity of that orbit e2 = 0.3043 ± 0.0024). The low-mass pair probe the poorly sampled fully convective stellar domain offering a crucial benchmark for theoretical stellar models.",

author = "{Carter...[et al.]}, J.A. and D.C. Fabrycky and D. Ragozzin and Buchhave, {Lars C. Astrup}",

year = "2011",

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doi = "10.1126/science.1201274",

language = "English",

volume = "331",

pages = "562--565",

journal = "Science",

issn = "0036-8075",

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TY - JOUR

T1 - KOI-126

T2 - A Triply Eclipsing Hierarchical Triple with Two Low-Mass Stars

AU - Carter...[et al.], J.A.

AU - Fabrycky, D.C.

AU - Ragozzin, D.

AU - Buchhave, Lars C. Astrup

PY - 2011/2/4

Y1 - 2011/2/4

N2 - The Kepler spacecraft has been monitoring the light from 150,000 stars in its primary quest to detect transiting exoplanets. Here, we report on the detection of an eclipsing stellar hierarchical triple, identified in the Kepler photometry. KOI-126 [A, (B, C)], is composed of a low-mass binary [masses M B = 0.2413 ± 0.0030 solar mass (MFish eye), M C = 0.2127 ± 0.0026 MFish eye; radii RB = 0.2543 ± 0.0014 solar radius (RFish eye), RC = 0.2318 ± 0.0013 RFish eye; orbital period P1 = 1.76713 ± 0.00019 days] on an eccentric orbit about a third star (mass MA = 1.347 ± 0.032 MFish eye; radius RA = 2.0254 ± 0.0098 RFish eye; period of orbit around the low-mass binary P2 = 33.9214 ± 0.0013 days; eccentricity of that orbit e2 = 0.3043 ± 0.0024). The low-mass pair probe the poorly sampled fully convective stellar domain offering a crucial benchmark for theoretical stellar models.

AB - The Kepler spacecraft has been monitoring the light from 150,000 stars in its primary quest to detect transiting exoplanets. Here, we report on the detection of an eclipsing stellar hierarchical triple, identified in the Kepler photometry. KOI-126 [A, (B, C)], is composed of a low-mass binary [masses M B = 0.2413 ± 0.0030 solar mass (MFish eye), M C = 0.2127 ± 0.0026 MFish eye; radii RB = 0.2543 ± 0.0014 solar radius (RFish eye), RC = 0.2318 ± 0.0013 RFish eye; orbital period P1 = 1.76713 ± 0.00019 days] on an eccentric orbit about a third star (mass MA = 1.347 ± 0.032 MFish eye; radius RA = 2.0254 ± 0.0098 RFish eye; period of orbit around the low-mass binary P2 = 33.9214 ± 0.0013 days; eccentricity of that orbit e2 = 0.3043 ± 0.0024). The low-mass pair probe the poorly sampled fully convective stellar domain offering a crucial benchmark for theoretical stellar models.

U2 - 10.1126/science.1201274

DO - 10.1126/science.1201274

M3 - Journal article

C2 - 21224439

SN - 0036-8075

VL - 331

SP - 562

EP - 565

JO - Science

JF - Science

IS - 6017

ER -

KOI-126: A Triply Eclipsing Hierarchical Triple with Two Low-Mass Stars

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