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Unveiling haze formation and energy balance in the exoplanets atmospheres with the Hubble Space Telescope

Grant number: 18/09984-7
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): September 15, 2018
Effective date (End): September 14, 2019
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Stellar Astrophysics
Principal researcher:Adriana Benetti Marques Valio
Grantee:Raissa de Lourdes Freitas Estrela
Supervisor abroad: Mark Swain
Home Institution: Escola de Engenharia (EE). Universidade Presbiteriana Mackenzie (UPM). Instituto Presbiteriano Mackenzie. São Paulo , SP, Brazil
Research place: Jet Propulsion Laboratory (JPL), United States  
Associated to the scholarship:16/25901-9 - Star-planet magnetic interactions and its consequences for planetary habitability, BP.DR

Abstract

We have implemented in the PhD project the study of planetary atmospheres by analysing their composition during a transit. One of the major factors that impact in the evolution of an atmosphere is stellar activity. Therefore, by looking at the atmosphere of a planet, we can have a direct detection of the effects arising from this phenomena. For example, the UV radiation of the star can induce the formation of aerosols known as hazes that can influence the temperature of a planet and consequently its habitability. In this BEPE project, we intend to analyse the effects of exoplanet atmospheric hazes in the energy balance of exoplanets. Our objective can be accomplished by combining the spectroscopic observations of exoplanets atmospheres taken with the Hubble Space Telescope (HST) in both ultraviolet and near-infrared ranges and interpreting them using radiative transfer models.

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ROUDIER, GAEL M.; SWAIN, MARK R.; GUDIPATI, MURTHY S.; WEST, ROBERT A.; ESTRELA, RAISSA; ZELLEM, ROBERT T. Disequilibrium Chemistry in Exoplanet Atmospheres Observed with the Hubble Space Telescope. ASTRONOMICAL JOURNAL, v. 162, n. 2 AUG 2021. Web of Science Citations: 1.
SWAIN, MARK R.; ESTRELA, RAISSA; ROUDIER, GAEL M.; SOTIN, CHRISTOPHE; RIMMER, PAUL B.; VALIO, ADRIANA; WEST, ROBERT; PEARSON, KYLE; HUBER-FEELY, NOAH; ZELLEM, ROBERT T. Detection of an Atmosphere on a Rocky Exoplanet. ASTRONOMICAL JOURNAL, v. 161, n. 5 MAY 2021. Web of Science Citations: 0.
ESTRELA, RAISSA; SWAIN, MARK R.; GUPTA, AKASH; SOTIN, CHRISTOPHE; VALIO, ADRIANA. The Evolutionary Track of H/He Envelopes of the Observed Population of Sub-Neptunes and Super-Earths. ASTROPHYSICAL JOURNAL, v. 898, n. 2 AUG 2020. Web of Science Citations: 0.
SWAIN, MARK R.; ESTRELA, RAISSA; SOTIN, CHRISTOPHE; ROUDIER, GAEL M.; ZELLEM, ROBERT T. Two Terrestrial Planet Families with Different Origins. ASTROPHYSICAL JOURNAL, v. 881, n. 2 AUG 20 2019. Web of Science Citations: 0.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.