Modeling the 3D Emission Spectra and Phase Curves of Hot Jupiter WASP-43b

ORAL

Abstract

We calculate 3D spectra and phase-resolved emission for the hot Jupiter WASP-43b considering atmospheric dynamics and clouds by using a suite of atmospheric codes. We first use the 3D pressure, temperature and eddy diffusion profiles from the SPARC/MITgcm, a 3D general circulation model (GCM), as inputs to Virga, a phase equilibrium code that computes the optical depth and scattering properties of condensate clouds on hot Jupiters. With Virga, we calculate 3D cloud profiles with different sedimentation efficiencies. Together, we use WASP-43b's thermal structure and cloud properties to simulate spectra using PICASO, a radiative transfer code. We also compute cloud-free spectra for testing and comparison purposes. We will build upon the framework of PICASO by developing a function that calculates a planet's phase-resolved emission (i.e., phase curves) in thermal emission. In this way, we can compare our simulated phase curves of WASP-43b to observations from Spitzer and HST. Finally, we will make predictions for future phase-curve observations of WASP-43b using JWST.

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Authors

  • Nina Robbins Blanch

    University of California, Santa Cruz

  • Tiffany Kataria

    NASA Jet Propulsion Laboratory

  • Abdul Qadeer Rehan

    University of Tennessee, University of York, Old Dominion University, Massachusetts Institute of Technology, Old Dominion University, Massachusetts Institute of Technology, Lawrence Berkeley National Laboratory, University of California, Berkeley, Institute of Physics - University of Sao Paulo, Naval Research Laboratory, St. Cloud State University, University of Illinois at Urbana-Champaign, Space Sciences Laboratory, Virginia Polytechnic Institute and State University, Space Sciences Laboratory, University of California Berkeley, University of Maryland - Baltimore County, Sandia National Laboratories, Pacific Northwest National Laboratory, Federal University of Bahia; University of Brasília, Federal University of Bahia, Department of Applied Physics, Yale University & Department of Physics, Yale University, Theoretical Division and Center for Nonlinear Studies, Los Alamos National Laboratory, Department of Physics, University of Illinois at Urbana-Champaign & Current affiliation: Seagate Research Group, Seagate Technology, Department of Physics and Astronomy, Wayne State University, Department of Physics, University of Illinois at Urbana-Champaign, Department of Applied Physics, Yale University, Swarthmore College, Western Washington University, Departments of Chemistry and Physics and The Baruch 60 Center for Biochemical Solar Energy Research at Rensselaer Polytechnic Institute, University of Florida, Wayne State University, Vanderbilt University, University of Maryland, College Park, NASA GSFC, CfA, California Institute of Technology, Skidmore College, Durham University, University of Alberta, University of Michigan, Curtin University, Michigan State University, University of Nevada, University of Chicago, Duke University, Cornell, Pennsylvania State University, New York University Abu Dhabi, NASA Ames Research Center, Kenyon Coll, Kenyon College, University of Texas at Austin, Flatiron Institute, University of California, Los Angeles, Ohio State University, University of Pennsylvania, HERA, HERA, Rochester Institute of Technology, Howard Community College, Carleton College, California State University at Long Beach, Bishop Ireton High School, Fayetteville State University, Univ of Oklahoma, University of Massachusetts Amherst, Carnegie Observatories, San Diego State University, Associate of the National Institute of Standards and Technology, National Institute of Standards and Technology, NTT Basic Research Laboratories and NTT Research Center for Theoretical Quantum Physics, JILA, University of Colorado, 440 UCB, Boulder, CO, Department of Physics, 390 UCB University of Colorado, University of Washington, James Franck Institute, Enrico Fermi Institute, University of Chicago Department of Physics, Princeton University, Department of Physics, Arizona State University, Indiana Univ - Bloomington, National Autonomous University of Mexico, Harvard University, Nagoya University, Toyota Technological Institute, University of Tokyo, Zhejiang University, Clark University, Natl Univ of Singapore, University of Richmond