WASP-180Ab: Doppler tomography of an hot Jupiter orbiting the primary star in a visual binary

L. Y. Temple; C. Hellier; D. R. Anderson; K. Barkaoui; F. Bouchy; D. J. A. Brown; A. Burdanov; A. Collier Cameron; L. Delrez; E. Ducrot; D. Evans; M. Gillon; E. Jehin; M. Lendl; P. F. L. Maxted; J. McCormac; C. Murray; L. D. Nielsen; F. Pepe; D. Pollacco; D. Queloz; D. Ségransan; B. Smalley; S. Thompson; A. H. M. J. Triaud; O. D. Turner; S. Udry; R. G. West; B. Zouhair

doi:10.1093/mnras/stz2632

WASP-180Ab: Doppler tomography of an hot Jupiter orbiting the primary star in a visual binary

L. Y. Temple
, C. Hellier
, D. R. Anderson
, K. Barkaoui
, F. Bouchy
, D. J. A. Brown
, A. Burdanov
, A. Collier Cameron
, L. Delrez
, E. Ducrot
, D. Evans
, M. Gillon
, E. Jehin
, M. Lendl
, P. F. L. Maxted
, J. McCormac
, C. Murray
, L. D. Nielsen
, F. Pepe
, D. Pollacco

D. Queloz, D. Ségransan, B. Smalley, S. Thompson, A. H. M. J. Triaud, O. D. Turner, S. Udry, R. G. West, B. Zouhair

Physics and Astronomy

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Abstract

We report the discovery and characterisation of WASP-180Ab, a hot Jupiter confirmed by the detection of its Doppler shadow and by measuring its mass using radial velocities. We find the 0.9 ± 0.1 M_Jup, 1.24 ± 0.04 R_Jup planet to be in a misaligned, retrograde orbit around an F7 star with T_eff = 6500 K and a moderate rotation speed of vsin i_⋆ = 19.9 km s⁻¹. The host star is the primary of a V = 10.7 binary, where a secondary separated by ∼5″ (∼1200 AU) contributes ∼ 30% of the light. WASP-180Ab therefore adds to a small sample of transiting hot Jupiters known in binary systems. A 4.6-day modulation seen in the WASP data is likely to be the rotational modulation of the companion star, WASP-180B.

Original language	English
Journal	Monthly Notices of the Royal Astronomical Society
Early online date	20 Sept 2019
DOIs	https://doi.org/10.1093/mnras/stz2632
Publication status	E-pub ahead of print - 20 Sept 2019

Bibliographical note

8 pages, 6 figures, submitted to MNRAS

Keywords

astro-ph.EP
techniques: spectroscopic
techniques: photometric
planetary systems
stars: rotation

Access to Document

10.1093/mnras/stz2632Licence: None: All rights reserved

Temple_et_al_WASP_180Ab_Doppler_tomography_of_an_hot_Jupiter_orbiting_the_primary_star_in_a_visual_binary_Monthly_Notices_of_the_Royal_Astronomical_Society_2019
Checked for eligibility: 16/10/2019 This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2019 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
Accepted author manuscript, 597 KBLicence: None: All rights reserved

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Temple, L. Y., Hellier, C., Anderson, D. R., Barkaoui, K., Bouchy, F., Brown, D. J. A., Burdanov, A., Cameron, A. C., Delrez, L., Ducrot, E., Evans, D., Gillon, M., Jehin, E., Lendl, M., Maxted, P. F. L., McCormac, J., Murray, C., Nielsen, L. D., Pepe, F., ... Zouhair, B. (2019). WASP-180Ab: Doppler tomography of an hot Jupiter orbiting the primary star in a visual binary. Monthly Notices of the Royal Astronomical Society. Advance online publication. https://doi.org/10.1093/mnras/stz2632

@article{c9f2f6dac8a7464a8c169bed48e37d39,

title = "WASP-180Ab: Doppler tomography of an hot Jupiter orbiting the primary star in a visual binary",

abstract = "We report the discovery and characterisation of WASP-180Ab, a hot Jupiter confirmed by the detection of its Doppler shadow and by measuring its mass using radial velocities. We find the 0.9 ± 0.1 MJup, 1.24 ± 0.04 RJup planet to be in a misaligned, retrograde orbit around an F7 star with Teff = 6500 K and a moderate rotation speed of vsin i⋆ = 19.9 km s−1. The host star is the primary of a V = 10.7 binary, where a secondary separated by ∼5″ (∼1200 AU) contributes ∼ 30\% of the light. WASP-180Ab therefore adds to a small sample of transiting hot Jupiters known in binary systems. A 4.6-day modulation seen in the WASP data is likely to be the rotational modulation of the companion star, WASP-180B.",

keywords = "astro-ph.EP, techniques: spectroscopic, techniques: photometric, planetary systems, stars: rotation",

author = "Temple, \{L. Y.\} and C. Hellier and Anderson, \{D. R.\} and K. Barkaoui and F. Bouchy and Brown, \{D. J. A.\} and A. Burdanov and Cameron, \{A. Collier\} and L. Delrez and E. Ducrot and D. Evans and M. Gillon and E. Jehin and M. Lendl and Maxted, \{P. F. L.\} and J. McCormac and C. Murray and Nielsen, \{L. D.\} and F. Pepe and D. Pollacco and D. Queloz and D. S{\'e}gransan and B. Smalley and S. Thompson and Triaud, \{A. H. M. J.\} and Turner, \{O. D.\} and S. Udry and West, \{R. G.\} and B. Zouhair",

note = "8 pages, 6 figures, submitted to MNRAS",

year = "2019",

month = sep,

day = "20",

doi = "10.1093/mnras/stz2632",

language = "English",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "SIPRI/Oxford University Press",

}

Temple, LY, Hellier, C, Anderson, DR, Barkaoui, K, Bouchy, F, Brown, DJA, Burdanov, A, Cameron, AC, Delrez, L, Ducrot, E, Evans, D, Gillon, M, Jehin, E, Lendl, M, Maxted, PFL, McCormac, J, Murray, C, Nielsen, LD, Pepe, F, Pollacco, D, Queloz, D, Ségransan, D, Smalley, B, Thompson, S, Triaud, AHMJ, Turner, OD, Udry, S, West, RG & Zouhair, B 2019, 'WASP-180Ab: Doppler tomography of an hot Jupiter orbiting the primary star in a visual binary', Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1093/mnras/stz2632

TY - JOUR

T1 - WASP-180Ab

T2 - Doppler tomography of an hot Jupiter orbiting the primary star in a visual binary

AU - Temple, L. Y.

AU - Hellier, C.

AU - Anderson, D. R.

AU - Barkaoui, K.

AU - Bouchy, F.

AU - Brown, D. J. A.

AU - Burdanov, A.

AU - Cameron, A. Collier

AU - Delrez, L.

AU - Ducrot, E.

AU - Evans, D.

AU - Gillon, M.

AU - Jehin, E.

AU - Lendl, M.

AU - Maxted, P. F. L.

AU - McCormac, J.

AU - Murray, C.

AU - Nielsen, L. D.

AU - Pepe, F.

AU - Pollacco, D.

AU - Queloz, D.

AU - Ségransan, D.

AU - Smalley, B.

AU - Thompson, S.

AU - Triaud, A. H. M. J.

AU - Turner, O. D.

AU - Udry, S.

AU - West, R. G.

AU - Zouhair, B.

N1 - 8 pages, 6 figures, submitted to MNRAS

PY - 2019/9/20

Y1 - 2019/9/20

N2 - We report the discovery and characterisation of WASP-180Ab, a hot Jupiter confirmed by the detection of its Doppler shadow and by measuring its mass using radial velocities. We find the 0.9 ± 0.1 MJup, 1.24 ± 0.04 RJup planet to be in a misaligned, retrograde orbit around an F7 star with Teff = 6500 K and a moderate rotation speed of vsin i⋆ = 19.9 km s−1. The host star is the primary of a V = 10.7 binary, where a secondary separated by ∼5″ (∼1200 AU) contributes ∼ 30% of the light. WASP-180Ab therefore adds to a small sample of transiting hot Jupiters known in binary systems. A 4.6-day modulation seen in the WASP data is likely to be the rotational modulation of the companion star, WASP-180B.

AB - We report the discovery and characterisation of WASP-180Ab, a hot Jupiter confirmed by the detection of its Doppler shadow and by measuring its mass using radial velocities. We find the 0.9 ± 0.1 MJup, 1.24 ± 0.04 RJup planet to be in a misaligned, retrograde orbit around an F7 star with Teff = 6500 K and a moderate rotation speed of vsin i⋆ = 19.9 km s−1. The host star is the primary of a V = 10.7 binary, where a secondary separated by ∼5″ (∼1200 AU) contributes ∼ 30% of the light. WASP-180Ab therefore adds to a small sample of transiting hot Jupiters known in binary systems. A 4.6-day modulation seen in the WASP data is likely to be the rotational modulation of the companion star, WASP-180B.

KW - astro-ph.EP

KW - techniques: spectroscopic

KW - techniques: photometric

KW - planetary systems

KW - stars: rotation

UR - https://www.scopus.com/pages/publications/85079628848

U2 - 10.1093/mnras/stz2632

DO - 10.1093/mnras/stz2632

M3 - Article

SN - 0035-8711

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

ER -

WASP-180Ab: Doppler tomography of an hot Jupiter orbiting the primary star in a visual binary

Abstract

Bibliographical note

Keywords

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Cite this