HATS-11B and HATS-12B: TWO TRANSITING HOT JUPITERS ORBITING SUBSOLAR METALLICITY STARS SELECTED for the K2 CAMPAIGN 7

M. Rabus, A. Jordán, J. D. Hartman, G. Bakos, N. Espinoza, R. Brahm, K. Penev, S. Ciceri, G. Zhou, D. Bayliss, L. Mancini, W. Bhatti, M. De Val-Borro, Z. Csbury, B. Sato, T. G. Tan, T. Henning, B. Schmidt, J. Bento, V. SucR. Noyes, J. Lázár, I. Papp, P. Sári

Research output: Contribution to journalArticle

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Abstract

We report the discovery of two transiting extrasolar planets from the HATSouth survey. HATS-11, a V = 14.1 G0-star shows a periodic mmag dip in its light curve every 3.6192 days and a radial velocity variation consistent with a Keplerian orbit. HATS-11 has a mass of 1.0000 0.060 M, a radius of 1.444 ± 0.057 R and an effective temperature of 6060 ± 150 K, while its companion is a 0.85 ± 0.12 MJ, 1.510 ± 0.078 RJ planet in a circular orbit. HATS-12 shows a periodic 5.1 mmag flux decrease every 3.1428 days and Keplerian RV variations around a V = 12.8 F-star. HATS-12 has a mass of 1.489 ± 0.071 M, a radius of 2.21 ± 0.21 R, and an effective temperature of 6408 ± 75 K. For HATS-12b, our measurements indicate that this is a 2.38 ± 0.11 MJ, 1.35 ± 0.17 RJ planet in a circular orbit. Both host stars show subsolar metallicities of -0.390 ± 0.060 dex and dex, respectively, and are (slightly) evolved stars. In fact, HATS-11 is among the most metal-poor and, HATS-12, with a log g of 3.923 0.0065, is among the most evolved stars hosting a hot-Jupiter planet. Importantly, HATS-11 and HATS-12 have been observed in long cadence by Kepler as part of K2 campaign 7 (EPIC216414930 and EPIC218131080 respectively).

Original languageEnglish
Article number88
JournalAstronomical Journal
Volume152
Issue number4
DOIs
Publication statusPublished - Oct 1 2016

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Jupiter (planet)
Jupiter
metallicity
planet
stars
circular orbits
planets
F stars
radii
extrasolar planets
radial velocity
light curve
dip
temperature
orbits
metal
metals

Keywords

  • planetary systems
  • stars: individual (HATS-11 - HATS-12)
  • techniques: photometric
  • techniques: spectroscopic

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

HATS-11B and HATS-12B : TWO TRANSITING HOT JUPITERS ORBITING SUBSOLAR METALLICITY STARS SELECTED for the K2 CAMPAIGN 7. / Rabus, M.; Jordán, A.; Hartman, J. D.; Bakos, G.; Espinoza, N.; Brahm, R.; Penev, K.; Ciceri, S.; Zhou, G.; Bayliss, D.; Mancini, L.; Bhatti, W.; De Val-Borro, M.; Csbury, Z.; Sato, B.; Tan, T. G.; Henning, T.; Schmidt, B.; Bento, J.; Suc, V.; Noyes, R.; Lázár, J.; Papp, I.; Sári, P.

In: Astronomical Journal, Vol. 152, No. 4, 88, 01.10.2016.

Research output: Contribution to journalArticle

Rabus, M, Jordán, A, Hartman, JD, Bakos, G, Espinoza, N, Brahm, R, Penev, K, Ciceri, S, Zhou, G, Bayliss, D, Mancini, L, Bhatti, W, De Val-Borro, M, Csbury, Z, Sato, B, Tan, TG, Henning, T, Schmidt, B, Bento, J, Suc, V, Noyes, R, Lázár, J, Papp, I & Sári, P 2016, 'HATS-11B and HATS-12B: TWO TRANSITING HOT JUPITERS ORBITING SUBSOLAR METALLICITY STARS SELECTED for the K2 CAMPAIGN 7', Astronomical Journal, vol. 152, no. 4, 88. https://doi.org/10.3847/0004-6256/152/4/88
Rabus, M. ; Jordán, A. ; Hartman, J. D. ; Bakos, G. ; Espinoza, N. ; Brahm, R. ; Penev, K. ; Ciceri, S. ; Zhou, G. ; Bayliss, D. ; Mancini, L. ; Bhatti, W. ; De Val-Borro, M. ; Csbury, Z. ; Sato, B. ; Tan, T. G. ; Henning, T. ; Schmidt, B. ; Bento, J. ; Suc, V. ; Noyes, R. ; Lázár, J. ; Papp, I. ; Sári, P. / HATS-11B and HATS-12B : TWO TRANSITING HOT JUPITERS ORBITING SUBSOLAR METALLICITY STARS SELECTED for the K2 CAMPAIGN 7. In: Astronomical Journal. 2016 ; Vol. 152, No. 4.
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abstract = "We report the discovery of two transiting extrasolar planets from the HATSouth survey. HATS-11, a V = 14.1 G0-star shows a periodic mmag dip in its light curve every 3.6192 days and a radial velocity variation consistent with a Keplerian orbit. HATS-11 has a mass of 1.0000 0.060 M⊙, a radius of 1.444 ± 0.057 R⊙ and an effective temperature of 6060 ± 150 K, while its companion is a 0.85 ± 0.12 MJ, 1.510 ± 0.078 RJ planet in a circular orbit. HATS-12 shows a periodic 5.1 mmag flux decrease every 3.1428 days and Keplerian RV variations around a V = 12.8 F-star. HATS-12 has a mass of 1.489 ± 0.071 M⊙, a radius of 2.21 ± 0.21 R⊙, and an effective temperature of 6408 ± 75 K. For HATS-12b, our measurements indicate that this is a 2.38 ± 0.11 MJ, 1.35 ± 0.17 RJ planet in a circular orbit. Both host stars show subsolar metallicities of -0.390 ± 0.060 dex and dex, respectively, and are (slightly) evolved stars. In fact, HATS-11 is among the most metal-poor and, HATS-12, with a log g∗ of 3.923 0.0065, is among the most evolved stars hosting a hot-Jupiter planet. Importantly, HATS-11 and HATS-12 have been observed in long cadence by Kepler as part of K2 campaign 7 (EPIC216414930 and EPIC218131080 respectively).",
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T2 - TWO TRANSITING HOT JUPITERS ORBITING SUBSOLAR METALLICITY STARS SELECTED for the K2 CAMPAIGN 7

AU - Rabus, M.

AU - Jordán, A.

AU - Hartman, J. D.

AU - Bakos, G.

AU - Espinoza, N.

AU - Brahm, R.

AU - Penev, K.

AU - Ciceri, S.

AU - Zhou, G.

AU - Bayliss, D.

AU - Mancini, L.

AU - Bhatti, W.

AU - De Val-Borro, M.

AU - Csbury, Z.

AU - Sato, B.

AU - Tan, T. G.

AU - Henning, T.

AU - Schmidt, B.

AU - Bento, J.

AU - Suc, V.

AU - Noyes, R.

AU - Lázár, J.

AU - Papp, I.

AU - Sári, P.

PY - 2016/10/1

Y1 - 2016/10/1

N2 - We report the discovery of two transiting extrasolar planets from the HATSouth survey. HATS-11, a V = 14.1 G0-star shows a periodic mmag dip in its light curve every 3.6192 days and a radial velocity variation consistent with a Keplerian orbit. HATS-11 has a mass of 1.0000 0.060 M⊙, a radius of 1.444 ± 0.057 R⊙ and an effective temperature of 6060 ± 150 K, while its companion is a 0.85 ± 0.12 MJ, 1.510 ± 0.078 RJ planet in a circular orbit. HATS-12 shows a periodic 5.1 mmag flux decrease every 3.1428 days and Keplerian RV variations around a V = 12.8 F-star. HATS-12 has a mass of 1.489 ± 0.071 M⊙, a radius of 2.21 ± 0.21 R⊙, and an effective temperature of 6408 ± 75 K. For HATS-12b, our measurements indicate that this is a 2.38 ± 0.11 MJ, 1.35 ± 0.17 RJ planet in a circular orbit. Both host stars show subsolar metallicities of -0.390 ± 0.060 dex and dex, respectively, and are (slightly) evolved stars. In fact, HATS-11 is among the most metal-poor and, HATS-12, with a log g∗ of 3.923 0.0065, is among the most evolved stars hosting a hot-Jupiter planet. Importantly, HATS-11 and HATS-12 have been observed in long cadence by Kepler as part of K2 campaign 7 (EPIC216414930 and EPIC218131080 respectively).

AB - We report the discovery of two transiting extrasolar planets from the HATSouth survey. HATS-11, a V = 14.1 G0-star shows a periodic mmag dip in its light curve every 3.6192 days and a radial velocity variation consistent with a Keplerian orbit. HATS-11 has a mass of 1.0000 0.060 M⊙, a radius of 1.444 ± 0.057 R⊙ and an effective temperature of 6060 ± 150 K, while its companion is a 0.85 ± 0.12 MJ, 1.510 ± 0.078 RJ planet in a circular orbit. HATS-12 shows a periodic 5.1 mmag flux decrease every 3.1428 days and Keplerian RV variations around a V = 12.8 F-star. HATS-12 has a mass of 1.489 ± 0.071 M⊙, a radius of 2.21 ± 0.21 R⊙, and an effective temperature of 6408 ± 75 K. For HATS-12b, our measurements indicate that this is a 2.38 ± 0.11 MJ, 1.35 ± 0.17 RJ planet in a circular orbit. Both host stars show subsolar metallicities of -0.390 ± 0.060 dex and dex, respectively, and are (slightly) evolved stars. In fact, HATS-11 is among the most metal-poor and, HATS-12, with a log g∗ of 3.923 0.0065, is among the most evolved stars hosting a hot-Jupiter planet. Importantly, HATS-11 and HATS-12 have been observed in long cadence by Kepler as part of K2 campaign 7 (EPIC216414930 and EPIC218131080 respectively).

KW - planetary systems

KW - stars: individual (HATS-11 - HATS-12)

KW - techniques: photometric

KW - techniques: spectroscopic

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