The 0.5Mj translting exoplanet WASP-13b

I. Skillen, D. Pollacco, Cameron Collier, L. Hebb, E. Simpson, F. Bouchy, D. J. Christian, N. P. Gibson, G. Hébrard, Y. C. Joshi, B. Loeillet, B. Smalley, H. C. Stempels, R. A. Street, S. Udry, R. G. West, D. R. Anderson, S. C C Barros, B. Enoch, C. A. Haswell & 15 others C. Hellier, K. Home, J. Irwin, F. P. Keenan, T. A. Lister, P. Maxted, M. Mayor, C. Moutou, A. J. Norton, N. Parley, D. Queloz, R. Ryans, I. Todd, P. J. Wheatley, D. M. Wilson

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

We report the discovery of WASP-13b, a low-mass Mp, = 0.46 -0.06 -0.05 Mj transiting exoplanet with an orbital period of 4.35298 ± 0.00004 days. The transit has a depth of 9 mmag, and although our follow-up photometry does not allow us to constrain the impact parameter well (0 < b < 0.46), with radius in the range R j ∼ 1.06-1.21 Rj the location of WASP-13b in the mass-radius plane is nevertheless consistent with H/He-dominated, irradiated, low core mass and core-free theoretical models. The G1V host star is similar to the Sun in mass (M*, = 1.03+0.11 -0.09 M·) and metallicity ([M/H] = 0.0 ± 0.2), but is possibly older (8.5,+5.5 -4.9 Gyr).

Original languageEnglish
Pages (from-to)391-394
Number of pages4
JournalAstronomy and Astrophysics
Volume502
Issue number1
DOIs
Publication statusPublished - 1 Jul 2009
Externally publishedYes

Fingerprint

extrasolar planets
radii
transit
metallicity
photometry
sun
stars
orbitals

Keywords

  • Binaries: Eclipsing
  • Planetary systems
  • Stars: Individual
  • Techniques: Photometric
  • Techniques: Radial velocities
  • Techniques: Spectroscopic
  • Wasp,13b

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Skillen, I., Pollacco, D., Collier, C., Hebb, L., Simpson, E., Bouchy, F., ... Wilson, D. M. (2009). The 0.5Mj translting exoplanet WASP-13b. Astronomy and Astrophysics, 502(1), 391-394. https://doi.org/10.1051/0004-6361/200912018

The 0.5Mj translting exoplanet WASP-13b. / Skillen, I.; Pollacco, D.; Collier, Cameron; Hebb, L.; Simpson, E.; Bouchy, F.; Christian, D. J.; Gibson, N. P.; Hébrard, G.; Joshi, Y. C.; Loeillet, B.; Smalley, B.; Stempels, H. C.; Street, R. A.; Udry, S.; West, R. G.; Anderson, D. R.; Barros, S. C C; Enoch, B.; Haswell, C. A.; Hellier, C.; Home, K.; Irwin, J.; Keenan, F. P.; Lister, T. A.; Maxted, P.; Mayor, M.; Moutou, C.; Norton, A. J.; Parley, N.; Queloz, D.; Ryans, R.; Todd, I.; Wheatley, P. J.; Wilson, D. M.

In: Astronomy and Astrophysics, Vol. 502, No. 1, 01.07.2009, p. 391-394.

Research output: Contribution to journalArticle

Skillen, I, Pollacco, D, Collier, C, Hebb, L, Simpson, E, Bouchy, F, Christian, DJ, Gibson, NP, Hébrard, G, Joshi, YC, Loeillet, B, Smalley, B, Stempels, HC, Street, RA, Udry, S, West, RG, Anderson, DR, Barros, SCC, Enoch, B, Haswell, CA, Hellier, C, Home, K, Irwin, J, Keenan, FP, Lister, TA, Maxted, P, Mayor, M, Moutou, C, Norton, AJ, Parley, N, Queloz, D, Ryans, R, Todd, I, Wheatley, PJ & Wilson, DM 2009, 'The 0.5Mj translting exoplanet WASP-13b', Astronomy and Astrophysics, vol. 502, no. 1, pp. 391-394. https://doi.org/10.1051/0004-6361/200912018
Skillen I, Pollacco D, Collier C, Hebb L, Simpson E, Bouchy F et al. The 0.5Mj translting exoplanet WASP-13b. Astronomy and Astrophysics. 2009 Jul 1;502(1):391-394. https://doi.org/10.1051/0004-6361/200912018
Skillen, I. ; Pollacco, D. ; Collier, Cameron ; Hebb, L. ; Simpson, E. ; Bouchy, F. ; Christian, D. J. ; Gibson, N. P. ; Hébrard, G. ; Joshi, Y. C. ; Loeillet, B. ; Smalley, B. ; Stempels, H. C. ; Street, R. A. ; Udry, S. ; West, R. G. ; Anderson, D. R. ; Barros, S. C C ; Enoch, B. ; Haswell, C. A. ; Hellier, C. ; Home, K. ; Irwin, J. ; Keenan, F. P. ; Lister, T. A. ; Maxted, P. ; Mayor, M. ; Moutou, C. ; Norton, A. J. ; Parley, N. ; Queloz, D. ; Ryans, R. ; Todd, I. ; Wheatley, P. J. ; Wilson, D. M. / The 0.5Mj translting exoplanet WASP-13b. In: Astronomy and Astrophysics. 2009 ; Vol. 502, No. 1. pp. 391-394.
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abstract = "We report the discovery of WASP-13b, a low-mass Mp, = 0.46 -0.06 -0.05 Mj transiting exoplanet with an orbital period of 4.35298 ± 0.00004 days. The transit has a depth of 9 mmag, and although our follow-up photometry does not allow us to constrain the impact parameter well (0 < b < 0.46), with radius in the range R j ∼ 1.06-1.21 Rj the location of WASP-13b in the mass-radius plane is nevertheless consistent with H/He-dominated, irradiated, low core mass and core-free theoretical models. The G1V host star is similar to the Sun in mass (M*, = 1.03+0.11 -0.09 M·) and metallicity ([M/H] = 0.0 ± 0.2), but is possibly older (8.5,+5.5 -4.9 Gyr).",
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T1 - The 0.5Mj translting exoplanet WASP-13b

AU - Skillen, I.

AU - Pollacco, D.

AU - Collier, Cameron

AU - Hebb, L.

AU - Simpson, E.

AU - Bouchy, F.

AU - Christian, D. J.

AU - Gibson, N. P.

AU - Hébrard, G.

AU - Joshi, Y. C.

AU - Loeillet, B.

AU - Smalley, B.

AU - Stempels, H. C.

AU - Street, R. A.

AU - Udry, S.

AU - West, R. G.

AU - Anderson, D. R.

AU - Barros, S. C C

AU - Enoch, B.

AU - Haswell, C. A.

AU - Hellier, C.

AU - Home, K.

AU - Irwin, J.

AU - Keenan, F. P.

AU - Lister, T. A.

AU - Maxted, P.

AU - Mayor, M.

AU - Moutou, C.

AU - Norton, A. J.

AU - Parley, N.

AU - Queloz, D.

AU - Ryans, R.

AU - Todd, I.

AU - Wheatley, P. J.

AU - Wilson, D. M.

PY - 2009/7/1

Y1 - 2009/7/1

N2 - We report the discovery of WASP-13b, a low-mass Mp, = 0.46 -0.06 -0.05 Mj transiting exoplanet with an orbital period of 4.35298 ± 0.00004 days. The transit has a depth of 9 mmag, and although our follow-up photometry does not allow us to constrain the impact parameter well (0 < b < 0.46), with radius in the range R j ∼ 1.06-1.21 Rj the location of WASP-13b in the mass-radius plane is nevertheless consistent with H/He-dominated, irradiated, low core mass and core-free theoretical models. The G1V host star is similar to the Sun in mass (M*, = 1.03+0.11 -0.09 M·) and metallicity ([M/H] = 0.0 ± 0.2), but is possibly older (8.5,+5.5 -4.9 Gyr).

AB - We report the discovery of WASP-13b, a low-mass Mp, = 0.46 -0.06 -0.05 Mj transiting exoplanet with an orbital period of 4.35298 ± 0.00004 days. The transit has a depth of 9 mmag, and although our follow-up photometry does not allow us to constrain the impact parameter well (0 < b < 0.46), with radius in the range R j ∼ 1.06-1.21 Rj the location of WASP-13b in the mass-radius plane is nevertheless consistent with H/He-dominated, irradiated, low core mass and core-free theoretical models. The G1V host star is similar to the Sun in mass (M*, = 1.03+0.11 -0.09 M·) and metallicity ([M/H] = 0.0 ± 0.2), but is possibly older (8.5,+5.5 -4.9 Gyr).

KW - Binaries: Eclipsing

KW - Planetary systems

KW - Stars: Individual

KW - Techniques: Photometric

KW - Techniques: Radial velocities

KW - Techniques: Spectroscopic

KW - Wasp,13b

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EP - 394

JO - Astronomy and Astrophysics

JF - Astronomy and Astrophysics

SN - 0004-6361

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