Three Hot-Jupiters on the upper edge of the mass-radius distribution: WASP-177, WASP-181 and WASP-183

Oliver D. Turner; D. R. Anderson; K. Barkaoui; F. Bouchy; Z. Benkhaldoun; D. J. A. Brown; A. Burdanov; A. Collier Cameron; E. Ducrot; M. Gillon; C. Hellier; E. Jehin; M. Lendl; P. F. L. Maxted; L. D. Nielsen; F. Pepe; D. Pollacco; F. J. Pozuelos; D. Queloz; D. Segransan; B. Smalley; A. H. M. J. Triaud; S. Udry; R. G. West

doi:10.1093/mnras/stz742

Three Hot-Jupiters on the upper edge of the mass-radius distribution: WASP-177, WASP-181 and WASP-183

Oliver D. Turner, D. R. Anderson, K. Barkaoui, F. Bouchy, Z. Benkhaldoun, D. J. A. Brown, A. Burdanov, A. Collier Cameron, E. Ducrot, M. Gillon, C. Hellier, E. Jehin, M. Lendl, P. F. L. Maxted, L. D. Nielsen, F. Pepe, D. Pollacco, F. J. Pozuelos, D. Queloz, D. SegransanB. Smalley, A. H. M. J. Triaud, S. Udry, R. G. West

Physics and Astronomy

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Abstract

We present the discovery of three transiting planets from the WASP survey, two hot-Jupiters: WASP-177 b (∼0.5 MJup, ∼1.6 RJup) in a 3.07-d orbit of a V = 12.6 K2 star, WASP-183 b (∼0.5 MJup, ∼1.5 RJup) in a 4.11-d orbit of a V = 12.8 G9/K0 star; and one hot-Saturn planet WASP-181 b (∼0.3 MJup, ∼1.2 RJup) in a 4.52-d orbit of a V = 12.9 G2 star. Each planet is close to the upper bound of mass–radius space and has a scaled semimajor axis, a/R*, between 9.6 and 12.1. These lie in the transition between systems that tend to be in orbits that are well aligned with their host-star’s spin and those that show a higher dispersion.

Original language	English
Pages (from-to)	5790–5799
Number of pages	10
Journal	Monthly Notices of the Royal Astronomical Society
Volume	485
Issue number	4
Early online date	14 Mar 2019
DOIs	https://doi.org/10.1093/mnras/stz742
Publication status	Published - 1 Jun 2019

Bibliographical note

Funding Information:
We thank the Swiss National Science Foundation (SNSF) and the Geneva University for their continuous support to our planet search programs. This work has been in particular carried out in the frame of the National Centre for Competence in Research ‘PlanetS’ supported by the Swiss National Science Foundation (SNSF). WASP-South is hosted by the South African Astronomical Observatory and we are grateful for their ongoing support and assistance. Funding for WASP (Wide Angle Search for Planets) comes from consortium universities and from the UK’s Science and Technology Facilities Council. TRAPPIST is funded by the Belgian Fund for Scientific Research (Fond National de la Recherche Scientifique, FNRS) under the grant FRFC 2.5.594.09.F, with the participation of the Swiss National Science Fundation (SNF). MG is a F.R.S.-FNRS Senior Research Associate. The research leading to these results has received funding from the European Research Council under the FP/2007-2013 ERC Grant Agreement 336480, from the ARC grant for Concerted Research Actions financed by the Wallonia-Brussels Federation, from the Balzan Foundation, and a grant from the Erasmus + International Credit Mobility programme (K Barkaoui). We thank our anonymous reviewer for their comments which helped improve the clarity of the paper.

Publisher Copyright:
© 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society.

Keywords

astro-ph.EP
planets and satellites: detection
– planets and satellites: individual: WASP-177b
planets and satellites: individual: WASP-181b
planets and satellites: individual: WASP-183b

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Oliver_D._Turner_et_al_Three_Hot_Jupiters_on_the_upper_edge_of_the_mass_radius_distribution_Monthly_Notices_of_the_Royal_Astronomical_Society_2019
Checked for eligibility: 12/07/2019 This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. https://doi.org/10.1093/mnras/stz742
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http://arxiv.org/abs/1903.06622v1Licence: None: All rights reserved

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Turner, O. D., Anderson, D. R., Barkaoui, K., Bouchy, F., Benkhaldoun, Z., Brown, D. J. A., Burdanov, A., Cameron, A. C., Ducrot, E., Gillon, M., Hellier, C., Jehin, E., Lendl, M., Maxted, P. F. L., Nielsen, L. D., Pepe, F., Pollacco, D., Pozuelos, F. J., Queloz, D., ... West, R. G. (2019). Three Hot-Jupiters on the upper edge of the mass-radius distribution: WASP-177, WASP-181 and WASP-183. Monthly Notices of the Royal Astronomical Society, 485(4), 5790–5799. https://doi.org/10.1093/mnras/stz742

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title = "Three Hot-Jupiters on the upper edge of the mass-radius distribution: WASP-177, WASP-181 and WASP-183",

abstract = "We present the discovery of three transiting planets from the WASP survey, two hot-Jupiters: WASP-177 b (∼0.5 MJup, ∼1.6 RJup) in a 3.07-d orbit of a V = 12.6 K2 star, WASP-183 b (∼0.5 MJup, ∼1.5 RJup) in a 4.11-d orbit of a V = 12.8 G9/K0 star; and one hot-Saturn planet WASP-181 b (∼0.3 MJup, ∼1.2 RJup) in a 4.52-d orbit of a V = 12.9 G2 star. Each planet is close to the upper bound of mass–radius space and has a scaled semimajor axis, a/R*, between 9.6 and 12.1. These lie in the transition between systems that tend to be in orbits that are well aligned with their host-star{\textquoteright}s spin and those that show a higher dispersion.",

keywords = "astro-ph.EP, planets and satellites: detection, – planets and satellites: individual: WASP-177b, planets and satellites: individual: WASP-181b, planets and satellites: individual: WASP-183b",

author = "Turner, {Oliver D.} and Anderson, {D. R.} and K. Barkaoui and F. Bouchy and Z. Benkhaldoun and Brown, {D. J. A.} and A. Burdanov and Cameron, {A. Collier} and E. Ducrot and M. Gillon and C. Hellier and E. Jehin and M. Lendl and Maxted, {P. F. L.} and Nielsen, {L. D.} and F. Pepe and D. Pollacco and Pozuelos, {F. J.} and D. Queloz and D. Segransan and B. Smalley and Triaud, {A. H. M. J.} and S. Udry and West, {R. G.}",

note = "Funding Information: We thank the Swiss National Science Foundation (SNSF) and the Geneva University for their continuous support to our planet search programs. This work has been in particular carried out in the frame of the National Centre for Competence in Research {\textquoteleft}PlanetS{\textquoteright} supported by the Swiss National Science Foundation (SNSF). WASP-South is hosted by the South African Astronomical Observatory and we are grateful for their ongoing support and assistance. Funding for WASP (Wide Angle Search for Planets) comes from consortium universities and from the UK{\textquoteright}s Science and Technology Facilities Council. TRAPPIST is funded by the Belgian Fund for Scientific Research (Fond National de la Recherche Scientifique, FNRS) under the grant FRFC 2.5.594.09.F, with the participation of the Swiss National Science Fundation (SNF). MG is a F.R.S.-FNRS Senior Research Associate. The research leading to these results has received funding from the European Research Council under the FP/2007-2013 ERC Grant Agreement 336480, from the ARC grant for Concerted Research Actions financed by the Wallonia-Brussels Federation, from the Balzan Foundation, and a grant from the Erasmus + International Credit Mobility programme (K Barkaoui). We thank our anonymous reviewer for their comments which helped improve the clarity of the paper. Publisher Copyright: {\textcopyright} 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society.",

year = "2019",

month = jun,

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doi = "10.1093/mnras/stz742",

language = "English",

volume = "485",

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Turner, OD, Anderson, DR, Barkaoui, K, Bouchy, F, Benkhaldoun, Z, Brown, DJA, Burdanov, A, Cameron, AC, Ducrot, E, Gillon, M, Hellier, C, Jehin, E, Lendl, M, Maxted, PFL, Nielsen, LD, Pepe, F, Pollacco, D, Pozuelos, FJ, Queloz, D, Segransan, D, Smalley, B, Triaud, AHMJ, Udry, S & West, RG 2019, 'Three Hot-Jupiters on the upper edge of the mass-radius distribution: WASP-177, WASP-181 and WASP-183', Monthly Notices of the Royal Astronomical Society, vol. 485, no. 4, pp. 5790–5799. https://doi.org/10.1093/mnras/stz742

TY - JOUR

T1 - Three Hot-Jupiters on the upper edge of the mass-radius distribution

T2 - WASP-177, WASP-181 and WASP-183

AU - Turner, Oliver D.

AU - Anderson, D. R.

AU - Barkaoui, K.

AU - Bouchy, F.

AU - Benkhaldoun, Z.

AU - Brown, D. J. A.

AU - Burdanov, A.

AU - Cameron, A. Collier

AU - Ducrot, E.

AU - Gillon, M.

AU - Hellier, C.

AU - Jehin, E.

AU - Lendl, M.

AU - Maxted, P. F. L.

AU - Nielsen, L. D.

AU - Pepe, F.

AU - Pollacco, D.

AU - Pozuelos, F. J.

AU - Queloz, D.

AU - Segransan, D.

AU - Smalley, B.

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

AU - Udry, S.

AU - West, R. G.

N1 - Funding Information: We thank the Swiss National Science Foundation (SNSF) and the Geneva University for their continuous support to our planet search programs. This work has been in particular carried out in the frame of the National Centre for Competence in Research ‘PlanetS’ supported by the Swiss National Science Foundation (SNSF). WASP-South is hosted by the South African Astronomical Observatory and we are grateful for their ongoing support and assistance. Funding for WASP (Wide Angle Search for Planets) comes from consortium universities and from the UK’s Science and Technology Facilities Council. TRAPPIST is funded by the Belgian Fund for Scientific Research (Fond National de la Recherche Scientifique, FNRS) under the grant FRFC 2.5.594.09.F, with the participation of the Swiss National Science Fundation (SNF). MG is a F.R.S.-FNRS Senior Research Associate. The research leading to these results has received funding from the European Research Council under the FP/2007-2013 ERC Grant Agreement 336480, from the ARC grant for Concerted Research Actions financed by the Wallonia-Brussels Federation, from the Balzan Foundation, and a grant from the Erasmus + International Credit Mobility programme (K Barkaoui). We thank our anonymous reviewer for their comments which helped improve the clarity of the paper. Publisher Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society.

PY - 2019/6/1

Y1 - 2019/6/1

N2 - We present the discovery of three transiting planets from the WASP survey, two hot-Jupiters: WASP-177 b (∼0.5 MJup, ∼1.6 RJup) in a 3.07-d orbit of a V = 12.6 K2 star, WASP-183 b (∼0.5 MJup, ∼1.5 RJup) in a 4.11-d orbit of a V = 12.8 G9/K0 star; and one hot-Saturn planet WASP-181 b (∼0.3 MJup, ∼1.2 RJup) in a 4.52-d orbit of a V = 12.9 G2 star. Each planet is close to the upper bound of mass–radius space and has a scaled semimajor axis, a/R*, between 9.6 and 12.1. These lie in the transition between systems that tend to be in orbits that are well aligned with their host-star’s spin and those that show a higher dispersion.

AB - We present the discovery of three transiting planets from the WASP survey, two hot-Jupiters: WASP-177 b (∼0.5 MJup, ∼1.6 RJup) in a 3.07-d orbit of a V = 12.6 K2 star, WASP-183 b (∼0.5 MJup, ∼1.5 RJup) in a 4.11-d orbit of a V = 12.8 G9/K0 star; and one hot-Saturn planet WASP-181 b (∼0.3 MJup, ∼1.2 RJup) in a 4.52-d orbit of a V = 12.9 G2 star. Each planet is close to the upper bound of mass–radius space and has a scaled semimajor axis, a/R*, between 9.6 and 12.1. These lie in the transition between systems that tend to be in orbits that are well aligned with their host-star’s spin and those that show a higher dispersion.

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KW - planets and satellites: detection

KW - – planets and satellites: individual: WASP-177b

KW - planets and satellites: individual: WASP-181b

KW - planets and satellites: individual: WASP-183b

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U2 - 10.1093/mnras/stz742

DO - 10.1093/mnras/stz742

M3 - Article

SN - 0035-8711

VL - 485

SP - 5790

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JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 4

ER -

Three Hot-Jupiters on the upper edge of the mass-radius distribution: WASP-177, WASP-181 and WASP-183

Abstract

Bibliographical note

Keywords

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