Discovery of WASP-65b and WASP-75b: two hot Jupiters without highly inflated radii

Y. Gómez Maqueo Chew; F. Faedi; D. Pollacco; D. J. A. Brown; A. P. Doyle; A. Collier Cameron; M. Gillon; M. Lendl; B. Smalley; A. H M J Triaud; R. G. West; P. J. Wheatley; R. Busuttil; C. Liebig; D. R. Anderson; D. J. Armstrong; S. C C Barros; J. Bento; J. Bochinski; V. Burwitz; L. Delrez; B. Enoch; A. Fumel; C. A. Haswell; G. Hébrard; C. Hellier; S. Holmes; E. Jehin; U. Kolb; P. F L Maxted; J. McCormac; G. R M Miller; A. J. Norton; F. Pepe; D. Queloz; J. Rodríguez; D. Ségransan; I. Skillen; K. G. Stassun; S. Udry; C. Watson

doi:10.1051/0004-6361/201322314

Discovery of WASP-65b and WASP-75b: two hot Jupiters without highly inflated radii

Y. Gómez Maqueo Chew, F. Faedi, D. Pollacco, D. J. A. Brown, A. P. Doyle, A. Collier Cameron, M. Gillon, M. Lendl, B. Smalley, A. H M J Triaud, R. G. West, P. J. Wheatley, R. Busuttil, C. Liebig, D. R. Anderson, D. J. Armstrong, S. C C Barros, J. Bento, J. Bochinski, V. BurwitzL. Delrez, B. Enoch, A. Fumel, C. A. Haswell, G. Hébrard, C. Hellier, S. Holmes, E. Jehin, U. Kolb, P. F L Maxted, J. McCormac, G. R M Miller, A. J. Norton, F. Pepe, D. Queloz, J. Rodríguez, D. Ségransan, I. Skillen, K. G. Stassun, S. Udry, C. Watson

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Abstract

We report the discovery of two transiting hot Jupiters, WASP-65b (Mpl = 1.55 ± 0.16 MJ; Rpl = 1.11 ± 0.06 RJ), and WASP-75b (Mpl = 1.07 ± 0.05 MJ; Rpl = 1.27 ± 0.05 RJ). They orbit their host star every ?2.311, and ?2.484 days, respectively. The planet host WASP-65 is a G6 star (Teff = 5600 K, [Fe/H] = ?0.07 ± 0.07, age 8 Gyr); WASP-75 is an F9 star (Teff = 6100 K, [Fe/H] = 0.07 ± 0.09, age ? 3 Gyr).WASP-65b is one of the densest known exoplanets in the mass range 0.1 and 2.0 MJ (?pl = 1.13 ± 0.08 ?J), a mass range where a large fraction of planets are found to be inflated with respect to theoretical planet models. WASP-65b is one of only a handful of planets with masses of ?1.5 MJ, a mass regime surprisingly underrepresented among the currently known hot Jupiters. The radius of WASP-75b is slightly inflated (10%) as compared to theoretical planet models with no core, and has a density similar to that of Saturn (?pl = 0.52 ± 0.06 ?J).

Original language	English
Article number	A36
Pages (from-to)	1-11
Number of pages	11
Journal	Astronomy and Astrophysics
Volume	559
DOIs	https://doi.org/10.1051/0004-6361/201322314
Publication status	Published - 2013

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Gómez Maqueo Chew, Y., Faedi, F., Pollacco, D., A. Brown, D. J., Doyle, A. P., Collier Cameron, A., Gillon, M., Lendl, M., Smalley, B., Triaud, A. H. M. J., West, R. G., Wheatley, P. J., Busuttil, R., Liebig, C., Anderson, D. R., Armstrong, D. J., Barros, S. C. C., Bento, J., Bochinski, J., ... Watson, C. (2013). Discovery of WASP-65b and WASP-75b: two hot Jupiters without highly inflated radii. Astronomy and Astrophysics, 559, 1-11. Article A36. https://doi.org/10.1051/0004-6361/201322314

@article{782abfa4bc164dada61963d64142b833,

title = "Discovery of WASP-65b and WASP-75b: two hot Jupiters without highly inflated radii",

abstract = "We report the discovery of two transiting hot Jupiters, WASP-65b (Mpl = 1.55 ± 0.16 MJ; Rpl = 1.11 ± 0.06 RJ), and WASP-75b (Mpl = 1.07 ± 0.05 MJ; Rpl = 1.27 ± 0.05 RJ). They orbit their host star every ?2.311, and ?2.484 days, respectively. The planet host WASP-65 is a G6 star (Teff = 5600 K, [Fe/H] = ?0.07 ± 0.07, age 8 Gyr); WASP-75 is an F9 star (Teff = 6100 K, [Fe/H] = 0.07 ± 0.09, age ? 3 Gyr).WASP-65b is one of the densest known exoplanets in the mass range 0.1 and 2.0 MJ (?pl = 1.13 ± 0.08 ?J), a mass range where a large fraction of planets are found to be inflated with respect to theoretical planet models. WASP-65b is one of only a handful of planets with masses of ?1.5 MJ, a mass regime surprisingly underrepresented among the currently known hot Jupiters. The radius of WASP-75b is slightly inflated (10%) as compared to theoretical planet models with no core, and has a density similar to that of Saturn (?pl = 0.52 ± 0.06 ?J).",

author = "{G{\'o}mez Maqueo Chew}, Y. and F. Faedi and D. Pollacco and {A. Brown}, {D. J.} and Doyle, {A. P.} and {Collier Cameron}, A. and M. Gillon and M. Lendl and B. Smalley and Triaud, {A. H M J} and West, {R. G.} and Wheatley, {P. J.} and R. Busuttil and C. Liebig and Anderson, {D. R.} and Armstrong, {D. J.} and Barros, {S. C C} and J. Bento and J. Bochinski and V. Burwitz and L. Delrez and B. Enoch and A. Fumel and Haswell, {C. A.} and G. H{\'e}brard and C. Hellier and S. Holmes and E. Jehin and U. Kolb and Maxted, {P. F L} and J. McCormac and Miller, {G. R M} and Norton, {A. J.} and F. Pepe and D. Queloz and J. Rodr{\'i}guez and D. S{\'e}gransan and I. Skillen and Stassun, {K. G.} and S. Udry and C. Watson",

year = "2013",

doi = "10.1051/0004-6361/201322314",

language = "English",

volume = "559",

pages = "1--11",

journal = "Astronomy and Astrophysics",

issn = "0004-6361",

publisher = "EDP Sciences",

}

Gómez Maqueo Chew, Y, Faedi, F, Pollacco, D, A. Brown, DJ, Doyle, AP, Collier Cameron, A, Gillon, M, Lendl, M, Smalley, B, Triaud, AHMJ, West, RG, Wheatley, PJ, Busuttil, R, Liebig, C, Anderson, DR, Armstrong, DJ, Barros, SCC, Bento, J, Bochinski, J, Burwitz, V, Delrez, L, Enoch, B, Fumel, A, Haswell, CA, Hébrard, G, Hellier, C, Holmes, S, Jehin, E, Kolb, U, Maxted, PFL, McCormac, J, Miller, GRM, Norton, AJ, Pepe, F, Queloz, D, Rodríguez, J, Ségransan, D, Skillen, I, Stassun, KG, Udry, S & Watson, C 2013, 'Discovery of WASP-65b and WASP-75b: two hot Jupiters without highly inflated radii', Astronomy and Astrophysics, vol. 559, A36, pp. 1-11. https://doi.org/10.1051/0004-6361/201322314

TY - JOUR

T1 - Discovery of WASP-65b and WASP-75b

T2 - two hot Jupiters without highly inflated radii

AU - Gómez Maqueo Chew, Y.

AU - Faedi, F.

AU - Pollacco, D.

AU - A. Brown, D. J.

AU - Doyle, A. P.

AU - Collier Cameron, A.

AU - Gillon, M.

AU - Lendl, M.

AU - Smalley, B.

AU - Triaud, A. H M J

AU - West, R. G.

AU - Wheatley, P. J.

AU - Busuttil, R.

AU - Liebig, C.

AU - Anderson, D. R.

AU - Armstrong, D. J.

AU - Barros, S. C C

AU - Bento, J.

AU - Bochinski, J.

AU - Burwitz, V.

AU - Delrez, L.

AU - Enoch, B.

AU - Fumel, A.

AU - Haswell, C. A.

AU - Hébrard, G.

AU - Hellier, C.

AU - Holmes, S.

AU - Jehin, E.

AU - Kolb, U.

AU - Maxted, P. F L

AU - McCormac, J.

AU - Miller, G. R M

AU - Norton, A. J.

AU - Pepe, F.

AU - Queloz, D.

AU - Rodríguez, J.

AU - Ségransan, D.

AU - Skillen, I.

AU - Stassun, K. G.

AU - Udry, S.

AU - Watson, C.

PY - 2013

Y1 - 2013

N2 - We report the discovery of two transiting hot Jupiters, WASP-65b (Mpl = 1.55 ± 0.16 MJ; Rpl = 1.11 ± 0.06 RJ), and WASP-75b (Mpl = 1.07 ± 0.05 MJ; Rpl = 1.27 ± 0.05 RJ). They orbit their host star every ?2.311, and ?2.484 days, respectively. The planet host WASP-65 is a G6 star (Teff = 5600 K, [Fe/H] = ?0.07 ± 0.07, age 8 Gyr); WASP-75 is an F9 star (Teff = 6100 K, [Fe/H] = 0.07 ± 0.09, age ? 3 Gyr).WASP-65b is one of the densest known exoplanets in the mass range 0.1 and 2.0 MJ (?pl = 1.13 ± 0.08 ?J), a mass range where a large fraction of planets are found to be inflated with respect to theoretical planet models. WASP-65b is one of only a handful of planets with masses of ?1.5 MJ, a mass regime surprisingly underrepresented among the currently known hot Jupiters. The radius of WASP-75b is slightly inflated (10%) as compared to theoretical planet models with no core, and has a density similar to that of Saturn (?pl = 0.52 ± 0.06 ?J).

AB - We report the discovery of two transiting hot Jupiters, WASP-65b (Mpl = 1.55 ± 0.16 MJ; Rpl = 1.11 ± 0.06 RJ), and WASP-75b (Mpl = 1.07 ± 0.05 MJ; Rpl = 1.27 ± 0.05 RJ). They orbit their host star every ?2.311, and ?2.484 days, respectively. The planet host WASP-65 is a G6 star (Teff = 5600 K, [Fe/H] = ?0.07 ± 0.07, age 8 Gyr); WASP-75 is an F9 star (Teff = 6100 K, [Fe/H] = 0.07 ± 0.09, age ? 3 Gyr).WASP-65b is one of the densest known exoplanets in the mass range 0.1 and 2.0 MJ (?pl = 1.13 ± 0.08 ?J), a mass range where a large fraction of planets are found to be inflated with respect to theoretical planet models. WASP-65b is one of only a handful of planets with masses of ?1.5 MJ, a mass regime surprisingly underrepresented among the currently known hot Jupiters. The radius of WASP-75b is slightly inflated (10%) as compared to theoretical planet models with no core, and has a density similar to that of Saturn (?pl = 0.52 ± 0.06 ?J).

UR - http://www.scopus.com/inward/record.url?scp=84887043627&partnerID=8YFLogxK

U2 - 10.1051/0004-6361/201322314

DO - 10.1051/0004-6361/201322314

M3 - Article

AN - SCOPUS:84887043627

SN - 0004-6361

VL - 559

SP - 1

EP - 11

JO - Astronomy and Astrophysics

JF - Astronomy and Astrophysics

M1 - A36

ER -

Discovery of WASP-65b and WASP-75b: two hot Jupiters without highly inflated radii

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