Discovery of WASP-174b: Doppler tomography of a near-grazing transit

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

doi:10.1093/mnras/sty2197

Discovery of WASP-174b: Doppler tomography of a near-grazing transit

L. Y. Temple, C. Hellier, Y. Almleaky, D. R. Anderson, F. Bouchy, D. J. A. Brown, A. Burdanov, A. Collier Cameron, L. Delrez, M. Gillon, R. Hall, E. Jehin, M. Lendl, P. F. L. Maxted, L. D. Nielsen, F. Pepe, D. Pollacco, D. Queloz, D. Ségransan, B. SmalleyS. Sohy, S. Thompson, A. H. M. J. Triaud, O. D. Turner, S. Udry, R. G. West

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Abstract

We report the discovery and tomographic detection of WASP-174b, a planet with a near-grazing transit on a 4.23-d orbit around a V= 11.9, F6V star with [Fe/H] = 0.09 ± 0.09. The planet is in a moderately misaligned orbit with a sky-projected spin–orbit angle of λ = 31° ± 1°. This is in agreement with the known tendency for orbits around hotter stars to be misaligned. Owing to the grazing transit, the planet’s radius is uncertain with a possible range of 0.8–1.8 R_Jup. The planet’s mass has an upper limit of 1.3 M_Jup. WASP-174 is the faintest hot-Jupiter system so far confirmed by tomographic means.

Original language	English
Pages (from-to)	5307–5313
Journal	Monthly Notices of the Royal Astronomical Society
Volume	480
Issue number	4
Early online date	13 Aug 2018
DOIs	https://doi.org/10.1093/mnras/sty2197
Publication status	Published - 11 Nov 2018

Keywords

Techniques: photometric
Techniques: spectroscopic
Planetary systems
Stars: rotation

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Temple-2018-Discovery-WASP-174b-5307
© 2018 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. This work has been made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at https://doi.org/10.1093/mnras/sty2197
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Temple, L. Y., Hellier, C., Almleaky, Y., Anderson, D. R., Bouchy, F., Brown, D. J. A., Burdanov, A., Cameron, A. C., Delrez, L., Gillon, M., Hall, R., Jehin, E., Lendl, M., Maxted, P. F. L., Nielsen, L. D., Pepe, F., Pollacco, D., Queloz, D., Ségransan, D., ... West, R. G. (2018). Discovery of WASP-174b: Doppler tomography of a near-grazing transit. Monthly Notices of the Royal Astronomical Society, 480(4), 5307–5313. https://doi.org/10.1093/mnras/sty2197

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title = "Discovery of WASP-174b: Doppler tomography of a near-grazing transit",

abstract = "We report the discovery and tomographic detection of WASP-174b, a planet with a near-grazing transit on a 4.23-d orbit around a V= 11.9, F6V star with [Fe/H] = 0.09 ± 0.09. The planet is in a moderately misaligned orbit with a sky-projected spin–orbit angle of λ = 31° ± 1°. This is in agreement with the known tendency for orbits around hotter stars to be misaligned. Owing to the grazing transit, the planet{\textquoteright}s radius is uncertain with a possible range of 0.8–1.8 RJup. The planet{\textquoteright}s mass has an upper limit of 1.3 MJup. WASP-174 is the faintest hot-Jupiter system so far confirmed by tomographic means.",

keywords = "Techniques: photometric, Techniques: spectroscopic, Planetary systems, Stars: rotation",

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

year = "2018",

month = nov,

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doi = "10.1093/mnras/sty2197",

language = "English",

volume = "480",

pages = "5307–5313",

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

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Temple, LY, Hellier, C, Almleaky, Y, Anderson, DR, Bouchy, F, Brown, DJA, Burdanov, A, Cameron, AC, Delrez, L, Gillon, M, Hall, R, Jehin, E, Lendl, M, Maxted, PFL, Nielsen, LD, Pepe, F, Pollacco, D, Queloz, D, Ségransan, D, Smalley, B, Sohy, S, Thompson, S, Triaud, AHMJ, Turner, OD, Udry, S & West, RG 2018, 'Discovery of WASP-174b: Doppler tomography of a near-grazing transit', Monthly Notices of the Royal Astronomical Society, vol. 480, no. 4, pp. 5307–5313. https://doi.org/10.1093/mnras/sty2197

TY - JOUR

T1 - Discovery of WASP-174b

T2 - Doppler tomography of a near-grazing transit

AU - Temple, L. Y.

AU - Hellier, C.

AU - Almleaky, Y.

AU - Anderson, D. R.

AU - Bouchy, F.

AU - Brown, D. J. A.

AU - Burdanov, A.

AU - Cameron, A. Collier

AU - Delrez, L.

AU - Gillon, M.

AU - Hall, R.

AU - Jehin, E.

AU - Lendl, M.

AU - Maxted, P. F. L.

AU - Nielsen, L. D.

AU - Pepe, F.

AU - Pollacco, D.

AU - Queloz, D.

AU - Ségransan, D.

AU - Smalley, B.

AU - Sohy, S.

AU - Thompson, S.

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

AU - Turner, O. D.

AU - Udry, S.

AU - West, R. G.

PY - 2018/11/11

Y1 - 2018/11/11

N2 - We report the discovery and tomographic detection of WASP-174b, a planet with a near-grazing transit on a 4.23-d orbit around a V= 11.9, F6V star with [Fe/H] = 0.09 ± 0.09. The planet is in a moderately misaligned orbit with a sky-projected spin–orbit angle of λ = 31° ± 1°. This is in agreement with the known tendency for orbits around hotter stars to be misaligned. Owing to the grazing transit, the planet’s radius is uncertain with a possible range of 0.8–1.8 RJup. The planet’s mass has an upper limit of 1.3 MJup. WASP-174 is the faintest hot-Jupiter system so far confirmed by tomographic means.

AB - We report the discovery and tomographic detection of WASP-174b, a planet with a near-grazing transit on a 4.23-d orbit around a V= 11.9, F6V star with [Fe/H] = 0.09 ± 0.09. The planet is in a moderately misaligned orbit with a sky-projected spin–orbit angle of λ = 31° ± 1°. This is in agreement with the known tendency for orbits around hotter stars to be misaligned. Owing to the grazing transit, the planet’s radius is uncertain with a possible range of 0.8–1.8 RJup. The planet’s mass has an upper limit of 1.3 MJup. WASP-174 is the faintest hot-Jupiter system so far confirmed by tomographic means.

KW - Techniques: photometric

KW - Techniques: spectroscopic

KW - Planetary systems

KW - Stars: rotation

U2 - 10.1093/mnras/sty2197

DO - 10.1093/mnras/sty2197

M3 - Article

SN - 0035-8711

VL - 480

SP - 5307

EP - 5313

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 4

ER -

Discovery of WASP-174b: Doppler tomography of a near-grazing transit

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Keywords

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