Investigating Trends in Atmospheric Compositions of Cool Gas Giant Planets Using Spitzer Secondary Eclipses.

@article{Wallack2019InvestigatingTI,
  title={Investigating Trends in Atmospheric Compositions of Cool Gas Giant Planets Using Spitzer Secondary Eclipses.},
  author={N. L. Wallack and H. A. Knutson and C. Morley and J. Moses and N. Thomas and D. Thorngren and D. Deming and J. D'esert and J. Fortney and J. Kammer},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2019}
}
  • N. L. Wallack, H. A. Knutson, +7 authors J. Kammer
  • Published 2019
  • Physics
  • arXiv: Earth and Planetary Astrophysics
  • We present new 3.6 and 4.5 micron secondary eclipse measurements for five cool (less than approximately 1000 K) transiting gas giant planets: HAT-P-15b, HAT-P-17b, HAT-P-18b, HAT-P-26b, and WASP-69b. We detect eclipses in at least one bandpass for all planets except HAT-P-15b. We confirm and refine the orbital eccentricity of HAT-P-17b, which is also the only planet in our sample with a known outer companion. We compare our measured eclipse depths in these two bands, which are sensitive to the… CONTINUE READING
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