MOVES IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b

Patrick Barth; Christiane Helling; Eva Elisabeth Stueeken; Vincent Bourrier; Nathan Mayne; Paul Rimmer; Moira Mary Jardine; Aline Vidotto; Peter Wheatley; Rim Fares

doi:10.1093/mnras/staa3989

MOVES IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b

Patrick Barth^*, Christiane Helling, Eva Elisabeth Stueeken, Vincent Bourrier, Nathan Mayne, Paul Rimmer, Moira Mary Jardine, Aline Vidotto, Peter Wheatley, Rim Fares

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Hot Jupiters provide valuable natural laboratories for studying potential contributions of high-energy radiation to prebiotic synthesis in the atmospheres of exoplanets. In this fourth paper of the MOVES (Multiwavelength Observations of an eVaporating Exoplanet and its Star) programme, we study the effect of different types of high-energy radiation on the production of organic and prebiotic molecules in the atmosphere of the hot Jupiter HD 189733b. Our model combines X-ray and UV observations from the MOVES programme and 3D climate simulations from the 3D Met Office Unified Model to simulate the atmospheric composition and kinetic chemistry with the STAND2019 network. Also, the effects of galactic cosmic rays and stellar energetic particles are included. We find that the differences in the radiation field between the irradiated dayside and the shadowed nightside lead to stronger changes in the chemical abundances than the variability of the host star's XUV emission. We identify ammonium (NH₄⁺) and oxonium (H₃O⁺) as fingerprint ions for the ionization of the atmosphere by both galactic cosmic rays and stellar particles. All considered types of high-energy radiation have an enhancing effect on the abundance of key organic molecules such as hydrogen cyanide (HCN), formaldehyde (CH₂O), and ethylene (C₂H₄). The latter two are intermediates in the production pathway of the amino acid glycine (C₂H₅NO₂) and abundant enough to be potentially detectable by JWST.

Original language	English
Pages (from-to)	6201–6215
Number of pages	15
Journal	Monthly Notices of the Royal Astronomical Society
Volume	502
Issue number	4
Early online date	7 Jan 2021
DOIs	https://doi.org/10.1093/mnras/staa3989
Publication status	Published - 1 Apr 2021

Keywords

Planets and satellites: individual: HD 189733b
Planets and satellites: atmospheres
Planet-star interactions

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1093/mnras/staa3989

Barth-2021-MOVES-IV-MNRAS-AAM
Copyright © 2021 the Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1093/mnras/staa3989
Accepted author manuscript, 2.1 MB

Cite this

Barth, P., Helling, C., Stueeken, E. E., Bourrier, V., Mayne, N., Rimmer, P., Jardine, M. M., Vidotto, A., Wheatley, P., & Fares, R. (2021). MOVES IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b. Monthly Notices of the Royal Astronomical Society, 502(4), 6201–6215. https://doi.org/10.1093/mnras/staa3989

@article{6c4c88d0229541e0a83bf12c7ae62665,

title = "MOVES IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b",

abstract = "Hot Jupiters provide valuable natural laboratories for studying potential contributions of high-energy radiation to prebiotic synthesis in the atmospheres of exoplanets. In this fourth paper of the MOVES (Multiwavelength Observations of an eVaporating Exoplanet and its Star) programme, we study the effect of different types of high-energy radiation on the production of organic and prebiotic molecules in the atmosphere of the hot Jupiter HD 189733b. Our model combines X-ray and UV observations from the MOVES programme and 3D climate simulations from the 3D Met Office Unified Model to simulate the atmospheric composition and kinetic chemistry with the STAND2019 network. Also, the effects of galactic cosmic rays and stellar energetic particles are included. We find that the differences in the radiation field between the irradiated dayside and the shadowed nightside lead to stronger changes in the chemical abundances than the variability of the host star's XUV emission. We identify ammonium (NH4+) and oxonium (H3O+) as fingerprint ions for the ionization of the atmosphere by both galactic cosmic rays and stellar particles. All considered types of high-energy radiation have an enhancing effect on the abundance of key organic molecules such as hydrogen cyanide (HCN), formaldehyde (CH2O), and ethylene (C2H4). The latter two are intermediates in the production pathway of the amino acid glycine (C2H5NO2) and abundant enough to be potentially detectable by JWST.",

keywords = "Planets and satellites: individual: HD 189733b, Planets and satellites: atmospheres, Planet-star interactions",

author = "Patrick Barth and Christiane Helling and Stueeken, {Eva Elisabeth} and Vincent Bourrier and Nathan Mayne and Paul Rimmer and Jardine, {Moira Mary} and Aline Vidotto and Peter Wheatley and Rim Fares",

note = "Funding: P.B. acknowledges a St Leonard{\textquoteright}s Interdisciplinary Doctoral Scholarship from the University of St Andrews. Ch.H. is part of the CHAMELEON MC ITN EJD which received funding from the European Union{\textquoteright}s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement number 860470. V.B. acknowledges support by the Swiss National Science Foundation (SNSF) in the frame of the National Centre for Competence in Research “PlanetS”, and has received funding from the European Research Council (ERC) under the European Union{\textquoteright}s Horizon 2020 research and innovation programme (project Four Aces; grant agreement No 724427). N.M. is partly supported by a Science and Technology Facilities Council Consolidated Grant (ST/R000395/1). A.A.V. acknowledges funding from the ERC under the European Union{\textquoteright}s Horizon 2020 research and innovation programme (grant agreement No 817540, ASTROFLOW). P.W. is supported by an STFC consolidated grant (ST/T000406/1). R.F. acknowledges funding from UAEU startup grant number G00003269.",

year = "2021",

month = apr,

day = "1",

doi = "10.1093/mnras/staa3989",

language = "English",

volume = "502",

pages = "6201–6215",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "4",

}

Barth, P, Helling, C, Stueeken, EE, Bourrier, V, Mayne, N, Rimmer, P, Jardine, MM, Vidotto, A, Wheatley, P & Fares, R 2021, 'MOVES IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b', Monthly Notices of the Royal Astronomical Society, vol. 502, no. 4, pp. 6201–6215. https://doi.org/10.1093/mnras/staa3989

MOVES IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b. / Barth, Patrick; Helling, Christiane; Stueeken, Eva Elisabeth et al.
In: Monthly Notices of the Royal Astronomical Society, Vol. 502, No. 4, 01.04.2021, p. 6201–6215.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - MOVES IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b

AU - Barth, Patrick

AU - Helling, Christiane

AU - Stueeken, Eva Elisabeth

AU - Bourrier, Vincent

AU - Mayne, Nathan

AU - Rimmer, Paul

AU - Jardine, Moira Mary

AU - Vidotto, Aline

AU - Wheatley, Peter

AU - Fares, Rim

N1 - Funding: P.B. acknowledges a St Leonard’s Interdisciplinary Doctoral Scholarship from the University of St Andrews. Ch.H. is part of the CHAMELEON MC ITN EJD which received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement number 860470. V.B. acknowledges support by the Swiss National Science Foundation (SNSF) in the frame of the National Centre for Competence in Research “PlanetS”, and has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (project Four Aces; grant agreement No 724427). N.M. is partly supported by a Science and Technology Facilities Council Consolidated Grant (ST/R000395/1). A.A.V. acknowledges funding from the ERC under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 817540, ASTROFLOW). P.W. is supported by an STFC consolidated grant (ST/T000406/1). R.F. acknowledges funding from UAEU startup grant number G00003269.

PY - 2021/4/1

Y1 - 2021/4/1

N2 - Hot Jupiters provide valuable natural laboratories for studying potential contributions of high-energy radiation to prebiotic synthesis in the atmospheres of exoplanets. In this fourth paper of the MOVES (Multiwavelength Observations of an eVaporating Exoplanet and its Star) programme, we study the effect of different types of high-energy radiation on the production of organic and prebiotic molecules in the atmosphere of the hot Jupiter HD 189733b. Our model combines X-ray and UV observations from the MOVES programme and 3D climate simulations from the 3D Met Office Unified Model to simulate the atmospheric composition and kinetic chemistry with the STAND2019 network. Also, the effects of galactic cosmic rays and stellar energetic particles are included. We find that the differences in the radiation field between the irradiated dayside and the shadowed nightside lead to stronger changes in the chemical abundances than the variability of the host star's XUV emission. We identify ammonium (NH4+) and oxonium (H3O+) as fingerprint ions for the ionization of the atmosphere by both galactic cosmic rays and stellar particles. All considered types of high-energy radiation have an enhancing effect on the abundance of key organic molecules such as hydrogen cyanide (HCN), formaldehyde (CH2O), and ethylene (C2H4). The latter two are intermediates in the production pathway of the amino acid glycine (C2H5NO2) and abundant enough to be potentially detectable by JWST.

AB - Hot Jupiters provide valuable natural laboratories for studying potential contributions of high-energy radiation to prebiotic synthesis in the atmospheres of exoplanets. In this fourth paper of the MOVES (Multiwavelength Observations of an eVaporating Exoplanet and its Star) programme, we study the effect of different types of high-energy radiation on the production of organic and prebiotic molecules in the atmosphere of the hot Jupiter HD 189733b. Our model combines X-ray and UV observations from the MOVES programme and 3D climate simulations from the 3D Met Office Unified Model to simulate the atmospheric composition and kinetic chemistry with the STAND2019 network. Also, the effects of galactic cosmic rays and stellar energetic particles are included. We find that the differences in the radiation field between the irradiated dayside and the shadowed nightside lead to stronger changes in the chemical abundances than the variability of the host star's XUV emission. We identify ammonium (NH4+) and oxonium (H3O+) as fingerprint ions for the ionization of the atmosphere by both galactic cosmic rays and stellar particles. All considered types of high-energy radiation have an enhancing effect on the abundance of key organic molecules such as hydrogen cyanide (HCN), formaldehyde (CH2O), and ethylene (C2H4). The latter two are intermediates in the production pathway of the amino acid glycine (C2H5NO2) and abundant enough to be potentially detectable by JWST.

KW - Planets and satellites: individual: HD 189733b

KW - Planets and satellites: atmospheres

KW - Planet-star interactions

UR - https://arxiv.org/abs/2012.12132

U2 - 10.1093/mnras/staa3989

DO - 10.1093/mnras/staa3989

M3 - Article

SN - 0035-8711

VL - 502

SP - 6201

EP - 6215

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 4

ER -

MOVES IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b

Abstract

Keywords

UN SDGs

Access to Document

Other files and links

Fingerprint

H2020 MSCA ITN EJD 2019: H2020 MSCA ITN EJD 2019 CHAMELEON

Tracing the chemistry of high-energy processes in planetary atmospheres (thesis data)

Cite this

MOVES IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b

Abstract

Keywords

UN SDGs

Access to Document

Other files and links

Fingerprint

Projects

H2020 MSCA ITN EJD 2019: H2020 MSCA ITN EJD 2019 CHAMELEON

Datasets

Tracing the chemistry of high-energy processes in planetary atmospheres (thesis data)

Cite this