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  • Brahm, R., et al. (author)
  • HATS-43b, HATS-44b, HATS-45b, and HATS-46b : Four Short-period Transiting Giant Planets in the Neptune-Jupiter Mass Range
  • 2018
  • In: Astronomical Journal. - : American Astronomical Society. - 0004-6256 .- 1538-3881. ; 155:3
  • Journal article (peer-reviewed)abstract
    • We report the discovery of four short-period extrasolar planets transiting moderately bright stars from photometric measurements of the HATSouth network coupled to additional spectroscopic and photometric follow-up observations. While the planet masses range from 0.26 to 0.90 M-J, the radii are all approximately a Jupiter radii, resulting in a wide range of bulk densities. The orbital period of the planets ranges from 2.7 days to 4.7 days, with HATS-43b having an orbit that appears to be marginally non-circular (e = 0.173 +/- 0.089). HATS-44 is notable for having a high metallicity ([Fe/H]= 0.320 +/- 0.071). The host stars spectral types range from late F to early K, and all of them are moderately bright (13.3 < V < 14.4), allowing the execution of future detailed follow-up observations. HATS-43b and HATS-46b, with expected transmission signals of 2350 ppm and 1500 ppm, respectively, are particularly well suited targets for atmospheric characterization via transmission spectroscopy.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Diaz, M. (1)
Schmidt, B (1)
Henning, T. (1)
Mancini, L. (1)
Ciceri, Simona (1)
Crane, J.D. (1)
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Butler, P. (1)
Jordan, A (1)
Lazar, J. (1)
Bayliss, D. (1)
Teske, J. (1)
Shectman, S. (1)
Thompson, I. (1)
Bento, J. (1)
Hartman, J. D. (1)
Bakos, G. A. (1)
Brahm, R. (1)
Espinoza, N. (1)
Zhou, G. (1)
Rabus, M. (1)
Bhatti, W. (1)
Penev, K. (1)
Csubry, Z. (1)
de Val-Borro, M. (1)
Suc, V. (1)
Papp, I. (1)
Sari, P. (1)
Sarkis, P. (1)
Arriagada, P. (1)
Osip, D. (1)
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University
Stockholm University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2018 (1)

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