WASP-24 B: a new transiting close-in hot Jupiter orbiting a late F-star

R. A. Street; E. Simpson; S. C C Barros; D. Pollacco; Y. Joshi; I. Todd; A. Collier Cameron; B. Enoch; N. Parley; E. Stempels; L. Hebb; A. H M J Triaud; D. Queloz; D. Segransan; F. Pepe; S. Udry; T. A. Lister; É Depagne; R. G. West; A. J. Norton; B. Smalley; C. Hellier; D. R. Anderson; P. F L Maxted; S. J. Bentley; I. Skillen; M. Gillon; P. Wheatley; J. Bento; P. Cathaway-Kjontvedt; D. J. Christian

doi:10.1088/0004-637X/720/1/337

WASP-24 B: a new transiting close-in hot Jupiter orbiting a late F-star

R. A. Street, E. Simpson, S. C C Barros, D. Pollacco, Y. Joshi, I. Todd, A. Collier Cameron, B. Enoch, N. Parley, E. Stempels, L. Hebb, A. H M J Triaud, D. Queloz, D. Segransan, F. Pepe, S. Udry, T. A. Lister, É Depagne, R. G. West, A. J. NortonB. Smalley, C. Hellier, D. R. Anderson, P. F L Maxted, S. J. Bentley, I. Skillen, M. Gillon, P. Wheatley, J. Bento, P. Cathaway-Kjontvedt, D. J. Christian

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Abstract

We report the discovery of a new transiting close-in giant planet, WASP-24 b, in a 2.341 day orbit, 0.037 AU from its F8-9 type host star. By matching the star's spectrum with theoretical models, we infer an effective temperature T _eff = 6075 ± 100 K and a surface gravity of log g = 4.15 ±0.10. A comparison of these parameters with theoretical isochrones and evolutionary mass tracks places only weak constraints on the age of the host star, which we estimate to be 3.8 ^+1.3 _-1.2 Gyr. The planetary nature of the companion was confirmed by radial velocity measurements and additional photometric observations. These data were fit simultaneously in order to determine the most probable parameter set for the system, from which we infer a planetary mass of 1.071 ^0.036 _-0.038 M _Jup and radius 1.3 ^+0.039 _-0.037 R _Jup.

Original language	English
Pages (from-to)	337-343
Number of pages	7
Journal	Astrophysical Journal
Volume	720
Issue number	1
DOIs	https://doi.org/10.1088/0004-637X/720/1/337
Publication status	Published - 1 Sep 2010

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Planetary systems

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Street, R. A., Simpson, E., Barros, S. C. C., Pollacco, D., Joshi, Y., Todd, I., Cameron, A. C., Enoch, B., Parley, N., Stempels, E., Hebb, L., Triaud, A. H. M. J., Queloz, D., Segransan, D., Pepe, F., Udry, S., Lister, T. A., Depagne, É., West, R. G., ... Christian, D. J. (2010). WASP-24 B: a new transiting close-in hot Jupiter orbiting a late F-star. Astrophysical Journal, 720(1), 337-343. https://doi.org/10.1088/0004-637X/720/1/337

Street, R. A. ; Simpson, E. ; Barros, S. C C ; Pollacco, D. ; Joshi, Y. ; Todd, I. ; Cameron, A. Collier ; Enoch, B. ; Parley, N. ; Stempels, E. ; Hebb, L. ; Triaud, A. H M J ; Queloz, D. ; Segransan, D. ; Pepe, F. ; Udry, S. ; Lister, T. A. ; Depagne, É ; West, R. G. ; Norton, A. J. ; Smalley, B. ; Hellier, C. ; Anderson, D. R. ; Maxted, P. F L ; Bentley, S. J. ; Skillen, I. ; Gillon, M. ; Wheatley, P. ; Bento, J. ; Cathaway-Kjontvedt, P. ; Christian, D. J. / WASP-24 B : a new transiting close-in hot Jupiter orbiting a late F-star. In: Astrophysical Journal. 2010 ; Vol. 720, No. 1. pp. 337-343.

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abstract = "We report the discovery of a new transiting close-in giant planet, WASP-24 b, in a 2.341 day orbit, 0.037 AU from its F8-9 type host star. By matching the star's spectrum with theoretical models, we infer an effective temperature T eff = 6075 ± 100 K and a surface gravity of log g = 4.15 ±0.10. A comparison of these parameters with theoretical isochrones and evolutionary mass tracks places only weak constraints on the age of the host star, which we estimate to be 3.8 +1.3 -1.2 Gyr. The planetary nature of the companion was confirmed by radial velocity measurements and additional photometric observations. These data were fit simultaneously in order to determine the most probable parameter set for the system, from which we infer a planetary mass of 1.071 0.036 -0.038 M Jup and radius 1.3 +0.039 -0.037 R Jup.",

keywords = "Planetary systems",

author = "Street, {R. A.} and E. Simpson and Barros, {S. C C} and D. Pollacco and Y. Joshi and I. Todd and Cameron, {A. Collier} and B. Enoch and N. Parley and E. Stempels and L. Hebb and Triaud, {A. H M J} and D. Queloz and D. Segransan and F. Pepe and S. Udry and Lister, {T. A.} and {\'E} Depagne and West, {R. G.} and Norton, {A. J.} and B. Smalley and C. Hellier and Anderson, {D. R.} and Maxted, {P. F L} and Bentley, {S. J.} and I. Skillen and M. Gillon and P. Wheatley and J. Bento and P. Cathaway-Kjontvedt and Christian, {D. J.}",

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doi = "10.1088/0004-637X/720/1/337",

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Street, RA, Simpson, E, Barros, SCC, Pollacco, D, Joshi, Y, Todd, I, Cameron, AC, Enoch, B, Parley, N, Stempels, E, Hebb, L, Triaud, AHMJ, Queloz, D, Segransan, D, Pepe, F, Udry, S, Lister, TA, Depagne, É, West, RG, Norton, AJ, Smalley, B, Hellier, C, Anderson, DR, Maxted, PFL, Bentley, SJ, Skillen, I, Gillon, M, Wheatley, P, Bento, J, Cathaway-Kjontvedt, P & Christian, DJ 2010, 'WASP-24 B: a new transiting close-in hot Jupiter orbiting a late F-star', Astrophysical Journal, vol. 720, no. 1, pp. 337-343. https://doi.org/10.1088/0004-637X/720/1/337

WASP-24 B : a new transiting close-in hot Jupiter orbiting a late F-star. / Street, R. A.; Simpson, E.; Barros, S. C C; Pollacco, D.; Joshi, Y.; Todd, I.; Cameron, A. Collier; Enoch, B.; Parley, N.; Stempels, E.; Hebb, L.; Triaud, A. H M J; Queloz, D.; Segransan, D.; Pepe, F.; Udry, S.; Lister, T. A.; Depagne, É; West, R. G.; Norton, A. J.; Smalley, B.; Hellier, C.; Anderson, D. R.; Maxted, P. F L; Bentley, S. J.; Skillen, I.; Gillon, M.; Wheatley, P.; Bento, J.; Cathaway-Kjontvedt, P.; Christian, D. J.

In: Astrophysical Journal, Vol. 720, No. 1, 01.09.2010, p. 337-343.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - WASP-24 B

T2 - a new transiting close-in hot Jupiter orbiting a late F-star

AU - Street, R. A.

AU - Simpson, E.

AU - Barros, S. C C

AU - Pollacco, D.

AU - Joshi, Y.

AU - Todd, I.

AU - Cameron, A. Collier

AU - Enoch, B.

AU - Parley, N.

AU - Stempels, E.

AU - Hebb, L.

AU - Triaud, A. H M J

AU - Queloz, D.

AU - Segransan, D.

AU - Pepe, F.

AU - Udry, S.

AU - Lister, T. A.

AU - Depagne, É

AU - West, R. G.

AU - Norton, A. J.

AU - Smalley, B.

AU - Hellier, C.

AU - Anderson, D. R.

AU - Maxted, P. F L

AU - Bentley, S. J.

AU - Skillen, I.

AU - Gillon, M.

AU - Wheatley, P.

AU - Bento, J.

AU - Cathaway-Kjontvedt, P.

AU - Christian, D. J.

PY - 2010/9/1

Y1 - 2010/9/1

N2 - We report the discovery of a new transiting close-in giant planet, WASP-24 b, in a 2.341 day orbit, 0.037 AU from its F8-9 type host star. By matching the star's spectrum with theoretical models, we infer an effective temperature T eff = 6075 ± 100 K and a surface gravity of log g = 4.15 ±0.10. A comparison of these parameters with theoretical isochrones and evolutionary mass tracks places only weak constraints on the age of the host star, which we estimate to be 3.8 +1.3 -1.2 Gyr. The planetary nature of the companion was confirmed by radial velocity measurements and additional photometric observations. These data were fit simultaneously in order to determine the most probable parameter set for the system, from which we infer a planetary mass of 1.071 0.036 -0.038 M Jup and radius 1.3 +0.039 -0.037 R Jup.

AB - We report the discovery of a new transiting close-in giant planet, WASP-24 b, in a 2.341 day orbit, 0.037 AU from its F8-9 type host star. By matching the star's spectrum with theoretical models, we infer an effective temperature T eff = 6075 ± 100 K and a surface gravity of log g = 4.15 ±0.10. A comparison of these parameters with theoretical isochrones and evolutionary mass tracks places only weak constraints on the age of the host star, which we estimate to be 3.8 +1.3 -1.2 Gyr. The planetary nature of the companion was confirmed by radial velocity measurements and additional photometric observations. These data were fit simultaneously in order to determine the most probable parameter set for the system, from which we infer a planetary mass of 1.071 0.036 -0.038 M Jup and radius 1.3 +0.039 -0.037 R Jup.

KW - Planetary systems

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U2 - 10.1088/0004-637X/720/1/337

DO - 10.1088/0004-637X/720/1/337

M3 - Article

AN - SCOPUS:78149251539

VL - 720

SP - 337

EP - 343

JO - Astrophysical Journal

JF - Astrophysical Journal

SN - 0004-637X

IS - 1

ER -

WASP-24 B: a new transiting close-in hot Jupiter orbiting a late F-star

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