New transiting hot Jupiters discovered by WASP-South, Euler/CORALIE, and TRAPPIST-South

被引：30

作者：

Hellier, Coel ^{[1
]}

Anderson, D. R. ^{[1
]}

Bouchy, F. ^{[2
]}

Burdanov, A. ^{[3
]}

Cameron, A. Collier ^{[4
]}

Delrez, L. ^{[3
,5
]}

Gillon, M. ^{[3
]}

Jehin, E. ^{[3
]}

Lendl, M. ^{[6
]}

Nielsen, L. D. ^{[2
]}

Maxted, P. F. L. ^{[1
]}

Pepe, F. ^{[2
]}

Pollacco, D. ^{[7
]}

Queloz, D. ^{[5
]}

Segransan, D. ^{[2
]}

Smalley, B. ^{[1
]}

Triaud, A. H. M. J. ^{[8
]}

Udry, S. ^{[2
]}

West, R. G. ^{[7
]}

机构：

[1] Keele Univ, Astrophys Grp, Keele ST5 5BG, Staffs, England

[2] Univ Geneva, Observ Astron, 51 Ch Maillettes, CH-1290 Sauverny, Switzerland

[3] Univ Liege, Space Sci Technol & Astrophys Res STAR Inst, Allee 6 Aout,17,Bat B5C, B-4000 Liege, Belgium

[4] Univ St Andrews, Sch Phys & Astron, SUPA, North Haugh KY16 9SS, Fife, Scotland

[5] Cavendish Lab, JJ Thomson Ave, Cambridge CB3 0HE, England

[6] Austrian Acad Sci, Space Res Inst, Schmiedlstr 6, A-8042 Graz, Austria

[7] Univ Warwick, Dept Phys, Gibbet Hill Rd, Coventry CV4 7AL, W Midlands, England

[8] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2019年 / 482卷 / 01期

基金：

瑞士国家科学基金会; 英国科学技术设施理事会;

关键词：

stars:; individual; (WASP-144; WASP-145A; WASP-158; WASP-159; WASP-162; WASP-168; WASP-172; WASP-173A); planetary systems; SUPERWASP; EVOLUTION; ATMOSPHERE;

D O I：

10.1093/mnras/sty2741

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the discovery of eight hot-Jupiter exoplanets from the WASP-South transit survey. WASP-144b has a mass of 0.44 M-Jup, a radius of 0.85 R-Jup, and is in a 2.27-d orbit around a V = 12.9, K2 star which shows a 21-d rotational modulation. WASP-145Ab is a 0.89 M-Jup planet in a 1.77-d orbit with a grazing transit. The host is a V = 11.5, K2 star with a companion 5 arcsec away and 1.4 mag fainter. WASP-158b is a relatively massive planet at 2.8 M-Jup with a radius of 1.1 R-Jup and a 3.66-d orbit. It transits a V = 12.1, F6 star. WASP-159b is a bloated hot Jupiter (1.4 R-Jup and 0.55 M-Jup) in a 3.8-d orbit around a V = 12.9, F9 star. WASP-162b is a massive planet in a relatively long and highly eccentric orbit (5.2 M-Jup, P = 9.6 d, e = 0.43). It transits a V = 12.2, K0 star. WASP-168b is a bloated hot Jupiter (0.42 M-Jup; 1.5 R-Jup) in a 4.15-d orbit with a grazing transit. The host is a V = 12.1, F9 star. WASP-172b is a bloated hot Jupiter (0.5 M-Jup; 1.6 R-Jup) in a 5.48-d orbit around a V = 11.0, F1 star. WASP-173Ab is a massive planet (3.7 M-Jup) with a 1.2 R-Jup radius in a circular orbit with a period of 1.39 d. The host is a V = 11.3, G3 star, being the brighter component of the double-star system WDS23366 - 3437, with a companion 6 arcsec away and 0.8 mag fainter. One of the two stars shows a rotational modulation of 7.9 d.

引用

页码：1379 / 1391

页数：13

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