Ultraviolet Spectropolarimetry as a Tool for Understanding the Diversity of Exoplanetary Atmospheres. Astro2020 Science White Paper
L. Fossati
1
Loïc Rossi
2
D. Stam
3
A. Garcia Muñoz
4
J. Berzosa-Molina
5
P. Marcos-Arenal
6
J. Caballero
7
J. Cabrera
8
A. Chiavassa
9
J.-M. Désert
10
M. Godolt
11
L. Grenfell
8
C. Haswell
12
P. Kabath
13
K. Kislyakova
14
A. Lanza
15
A. Lecavelier
16
M. Lendl
1
E. Pallé
17
H. Rauer
18
S. Rugheimer
19
A. Vidotto
20
L. Fossati 1
Author
Loïc Rossi 2
Author IdHAL : loic-rossi ORCID : https://orcid.org/0000-0003-4244-3419
D. Stam 3
Author
A. Garcia Muñoz 4
Author
A. Chiavassa 9
Author IdHAL : andrea-chiavassa ORCID : https://orcid.org/0000-0003-3891-7554
J.-M. Désert 10
Author
M. Godolt 11
Author
L. Grenfell 8
Author
S. Rugheimer 19
Author
A. Vidotto 20
Author
1
IWF - Space Research Institute of Austrian Academy of Sciences (Schmiedlstraße 6, 8042 Graz - Austria)
- OeAW - Austrian Academy of Sciences (Doktor-Ignaz-Seipel-Platz 2, 1010 Wien - Austria)
2
PLANETO - LATMOS (France)
- LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales (11 boulevard d'Alembert
Quartier des Garennes
78280 - Guyancourt - France)
- SU - Sorbonne Université : UMR8190 (21 rue de l’École de médecine - 75006 Paris - France)
- UVSQ - Université de Versailles Saint-Quentin-en-Yvelines : UMR8190 (55 avenue de Paris - 78035 Versailles cedex - France)
- CNRS - Centre National de la Recherche Scientifique : UMR8190 (France)
- INSU - CNRS - Institut national des sciences de l'Univers : UMR8190 (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
3
SRON - SRON Netherlands Institute for Space Research (SRON Groningen, Landleven 12, 9747 AD Groningen - SRON Utrecht, Sorbonnelaan 2, 3584 CA Utrecht - Netherlands)
4
Institut für Chemie [TUB Berlin] (Technische Universität Berlin, Str. der 17 Juni 115, 10623 Berlin - Germany)
- TU - Technische Universität Berlin (Straße des 17. Juni 135 10623 Berlin - Germany)
5
TU Delft - Technische Universiteit Delft (Postbus 5 2600 AA Delft - Netherlands)
6
UCM - Universidad Complutense de Madrid = Complutense University of Madrid [Madrid] (Avda. de Séneca, 2, Ciudad Universitaria, 28040 Madrid - Spain)
7
INTA - Instituto Nacional de Técnica Aeroespacial ( Torrejón de Ardoz, Madrid - Spain)
8
DLR - Deutsches Zentrum für Luft- und Raumfahrt [Berlin] (Rutherfordstraße 2
12489 Berlin - Germany)
9
LAGRANGE - Joseph Louis LAGRANGE (Boulevard de l'Observatoire B.P. 4229 06304 Nice Cedex 04 - France - France)
- UNS - Université Nice Sophia Antipolis (... - 2019) (Parc Valrose - BP 2135 - 06103 Nice cedex 2 - France)
- COMUE UCA - COMUE Université Côte d'Azur (2015-2019) (Parc Valrose, 28, avenue Valrose 06108 Nice Cedex 2 - France)
- INSU - CNRS - Institut national des sciences de l'Univers : UMR7293 (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- Observatoire de la Côte d'Azur (France)
- COMUE UCA - COMUE Université Côte d'Azur (2015-2019) (Parc Valrose, 28, avenue Valrose 06108 Nice Cedex 2 - France)
- UCA - Université Côte d'Azur (Parc Valrose, 28, avenue Valrose 06108 Nice Cedex 2 - France)
- CNRS - Centre National de la Recherche Scientifique : UMR7293 (France)
- UCA - Université Côte d'Azur (Parc Valrose, 28, avenue Valrose 06108 Nice Cedex 2 - France)
10
Observatoire de la Côte d'Azur (France)
- COMUE UCA - COMUE Université Côte d'Azur (2015-2019) (Parc Valrose, 28, avenue Valrose 06108 Nice Cedex 2 - France)
- UCA - Université Côte d'Azur (Parc Valrose, 28, avenue Valrose 06108 Nice Cedex 2 - France)
11
ZAA - Zentrum für Astronomie und Astrophysik [Berlin] (Hardenbergstraße 36, D-10623 Berlin - Germany)
- TU - Technische Universität Berlin (Straße des 17. Juni 135 10623 Berlin - Germany)
12
OU - The Open University [Milton Keynes] (Walton Hall, Kents Hill, Milton Keynes MK7 6AA - United Kingdom)
13
Ondřejov Observatory of the Prague Astronomical Institute (Czech Republic)
- CAS - Czech Academy of Sciences [Prague] (Národní 3, 117 20 Prague 1 - Czech Republic)
14
University of Vienna [Vienna] (Universitätsring 1, 1010 Wien - Austria)
15
OACT - INAF - Osservatorio Astrofisico di Catania (Via S.Sofia 78, 95123 Catania - Italy)
- INAF - Istituto Nazionale di Astrofisica (Viale del Parco Mellini 84, 00136 Roma - Italy)
16
IAP - Institut d'Astrophysique de Paris (98bis, bd Arago - 75014 Paris France - France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- SU - Sorbonne Université (21 rue de l’École de médecine - 75006 Paris - France)
- CNRS - Centre National de la Recherche Scientifique : UMR7095 (France)
17
IAC - Instituto de Astrofisica de Canarias (Calle Vía Láctea, s/n, 38205 San Cristóbal de La Laguna, Santa Cruz de Tenerife - Spain)
18
DLR Institut für Planetenforschung (Berlin - Germany)
- DLR - Deutsches Zentrum für Luft- und Raumfahrt [Berlin] (Rutherfordstraße 2 12489 Berlin - Germany)
19
University of Oxford [Oxford] (Wellington Square, Oxford OX1 2JD - United Kingdom)
20
Trinity College Dublin (College Green, Dublin 2, Ireland - Ireland)
Abstract : The polarization state of starlight reflected by a planetary atmosphere uniquely reveals coverage, particle size, and composition of aerosols as well as changing cloud patterns. It is not possible to obtain a comparable level of detailed from flux-only observations. Furthermore, polarization observations can probe the atmosphere of planets independently of the orbital geometry (i.e., transiting and non-transiting planets). We show that a high-resolution spectropolarimeter with a broad wavelength coverage, particularly if attached to a large space telescope, would enable simultaneous study of the polarimetric exoplanet properties of the continuum and to look for and characterize the polarimetric signal due to scattering from single molecules.
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Submitted on : Friday, December 18, 2020 - 4:56:47 PM
Last modification on : Tuesday, January 4, 2022 - 5:53:49 AM
Contributor : Catherine Cardon Connect in order to contact the contributor
Submitted on : Friday, December 18, 2020 - 4:56:47 PM
Last modification on : Tuesday, January 4, 2022 - 5:53:49 AM
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- HAL Id : insu-02994832, version 1
- ARXIV : 1903.05834
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Citation
L. Fossati, Loïc Rossi, D. Stam, A. Garcia Muñoz, J. Berzosa-Molina, et al.. Ultraviolet Spectropolarimetry as a Tool for Understanding the Diversity of Exoplanetary Atmospheres. Astro2020 Science White Paper. 2019. ⟨insu-02994832⟩
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