Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016

Autores
Meza, E.; Sicardy, B.; Assafin, M.; Ortiz, J.L.; Bertrand, T.; Lellouch, E.; Desmars, J.; Forget, F.; Bérard, D.; Doressoundiram, A.; Lecacheux, J.; Marques Oliveira, J.; Roques, F.; Widemann, T.; Colas, F.; Vachier, F.; Renner, S.; Leiva, R.; Braga Ribas, F.; Benedetti Rossi, G.; Camargo, J. I. B.; Dias Oliveira, A.; Morgado, B.; Gomes Júnior, A. R.; Vieira Martins, R.; Behrend, R.; Castro Tirado, A.; Duffard, R.; Morales, N.; Gil Hutton, Ricardo Alfredo
Año de publicación
2019
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Context. The tenuous nitrogen (N2) atmosphere on Pluto undergoes strong seasonal effects due to high obliquity and orbital eccentricity, and has recently (July 2015) been observed by the New Horizons spacecraft. Aims. The main goals of this study are (i) to construct a well calibrated record of the seasonal evolution of surface pressure on Pluto and (ii) to constrain the structure of the lower atmosphere using a central flash observed in 2015. Methods. Eleven stellar occultations by Pluto observed between 2002 and 2016 are used to retrieve atmospheric profiles (density, pressure, temperature) between altitude levels of ∼5 and ∼380 km (i.e. pressures from ∼10 μbar to 10 nbar). Results. (i) Pressure has suffered a monotonic increase from 1988 to 2016, that is compared to a seasonal volatile transport model, from which tight constraints on a combination of albedo and emissivity of N2 ice are derived. (ii) A central flash observed on 2015 June 29 is consistent with New Horizons REX profiles, provided that (a) large diurnal temperature variations (not expected by current models) occur over Sputnik Planitia; and/or (b) hazes with tangential optical depth of ∼0.3 are present at 4-7 km altitude levels; and/or (c) the nominal REX density values are overestimated by an implausibly large factor of ∼20%; and/or (d) higher terrains block part of the flash in the Charon facing hemisphere.
Fil: Meza, E.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Sicardy, B.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Assafin, M.. Observatório do Valongo; Brasil. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Ortiz, J.L.. Instituto de Astrofísica de Andalucía; España
Fil: Bertrand, T.. National Aeronautics and Space Administration; Estados Unidos
Fil: Lellouch, E.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Desmars, J.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Forget, F.. Laboratoire de Meteorologie Dynamique; Francia. Sorbonne University; Francia. Universite de Paris VI; Francia. Centre National de la Recherche Scientifique; Francia
Fil: Bérard, D.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Doressoundiram, A.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Lecacheux, J.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Marques Oliveira, J.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Roques, F.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Widemann, T.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Colas, F.. National Aeronautics and Space Administration; Estados Unidos
Fil: Vachier, F.. National Aeronautics and Space Administration; Estados Unidos
Fil: Renner, S.. National Aeronautics and Space Administration; Estados Unidos. Observatoire de Lille; Francia
Fil: Leiva, R.. Southwest Research Institute.; Estados Unidos
Fil: Braga Ribas, F.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil. Universidade Tecnologia Federal do Parana; Brasil
Fil: Benedetti Rossi, G.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Camargo, J. I. B.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Dias Oliveira, A.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Morgado, B.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Gomes Júnior, A. R.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Vieira Martins, R.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Behrend, R.. Geneva Observatory; Italia
Fil: Castro Tirado, A.. Instituto de Astrofísica de Andalucía; España
Fil: Duffard, R.. Instituto de Astrofísica de Andalucía; España
Fil: Morales, N.. Instituto de Astrofísica de Andalucía; España
Fil: Gil Hutton, Ricardo Alfredo. Universidad Nacional de San Juan. Facultad de Ciencias Exactas, Físicas y Naturales. Departamento de Geofísica y Astronomía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "El Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "El Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "El Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "El Leoncito"; Argentina
Materia
METHODS: DATA ANALYSIS
METHODS: OBSERVATIONAL
PLANETS AND SATELLITES: ATMOSPHERES
PLANETS AND SATELLITES: PHYSICAL EVOLUTION
PLANETS AND SATELLITES: TERRESTRIAL PLANETS
TECHNIQUES: PHOTOMETRIC
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/159866

id CONICETDig_d141d4925ac15146949e4865a039cc57
oai_identifier_str oai:ri.conicet.gov.ar:11336/159866
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016Meza, E.Sicardy, B.Assafin, M.Ortiz, J.L.Bertrand, T.Lellouch, E.Desmars, J.Forget, F.Bérard, D.Doressoundiram, A.Lecacheux, J.Marques Oliveira, J.Roques, F.Widemann, T.Colas, F.Vachier, F.Renner, S.Leiva, R.Braga Ribas, F.Benedetti Rossi, G.Camargo, J. I. B.Dias Oliveira, A.Morgado, B.Gomes Júnior, A. R.Vieira Martins, R.Behrend, R.Castro Tirado, A.Duffard, R.Morales, N.Gil Hutton, Ricardo AlfredoMETHODS: DATA ANALYSISMETHODS: OBSERVATIONALPLANETS AND SATELLITES: ATMOSPHERESPLANETS AND SATELLITES: PHYSICAL EVOLUTIONPLANETS AND SATELLITES: TERRESTRIAL PLANETSTECHNIQUES: PHOTOMETRIChttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Context. The tenuous nitrogen (N2) atmosphere on Pluto undergoes strong seasonal effects due to high obliquity and orbital eccentricity, and has recently (July 2015) been observed by the New Horizons spacecraft. Aims. The main goals of this study are (i) to construct a well calibrated record of the seasonal evolution of surface pressure on Pluto and (ii) to constrain the structure of the lower atmosphere using a central flash observed in 2015. Methods. Eleven stellar occultations by Pluto observed between 2002 and 2016 are used to retrieve atmospheric profiles (density, pressure, temperature) between altitude levels of ∼5 and ∼380 km (i.e. pressures from ∼10 μbar to 10 nbar). Results. (i) Pressure has suffered a monotonic increase from 1988 to 2016, that is compared to a seasonal volatile transport model, from which tight constraints on a combination of albedo and emissivity of N2 ice are derived. (ii) A central flash observed on 2015 June 29 is consistent with New Horizons REX profiles, provided that (a) large diurnal temperature variations (not expected by current models) occur over Sputnik Planitia; and/or (b) hazes with tangential optical depth of ∼0.3 are present at 4-7 km altitude levels; and/or (c) the nominal REX density values are overestimated by an implausibly large factor of ∼20%; and/or (d) higher terrains block part of the flash in the Charon facing hemisphere.Fil: Meza, E.. Centre National de la Recherche Scientifique. Observatoire de Paris; FranciaFil: Sicardy, B.. Centre National de la Recherche Scientifique. Observatoire de Paris; FranciaFil: Assafin, M.. Observatório do Valongo; Brasil. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; BrasilFil: Ortiz, J.L.. Instituto de Astrofísica de Andalucía; EspañaFil: Bertrand, T.. National Aeronautics and Space Administration; Estados UnidosFil: Lellouch, E.. Centre National de la Recherche Scientifique. Observatoire de Paris; FranciaFil: Desmars, J.. Centre National de la Recherche Scientifique. Observatoire de Paris; FranciaFil: Forget, F.. Laboratoire de Meteorologie Dynamique; Francia. Sorbonne University; Francia. Universite de Paris VI; Francia. Centre National de la Recherche Scientifique; FranciaFil: Bérard, D.. Centre National de la Recherche Scientifique. Observatoire de Paris; FranciaFil: Doressoundiram, A.. Centre National de la Recherche Scientifique. Observatoire de Paris; FranciaFil: Lecacheux, J.. Centre National de la Recherche Scientifique. Observatoire de Paris; FranciaFil: Marques Oliveira, J.. Centre National de la Recherche Scientifique. Observatoire de Paris; FranciaFil: Roques, F.. Centre National de la Recherche Scientifique. Observatoire de Paris; FranciaFil: Widemann, T.. Centre National de la Recherche Scientifique. Observatoire de Paris; FranciaFil: Colas, F.. National Aeronautics and Space Administration; Estados UnidosFil: Vachier, F.. National Aeronautics and Space Administration; Estados UnidosFil: Renner, S.. National Aeronautics and Space Administration; Estados Unidos. Observatoire de Lille; FranciaFil: Leiva, R.. Southwest Research Institute.; Estados UnidosFil: Braga Ribas, F.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil. Universidade Tecnologia Federal do Parana; BrasilFil: Benedetti Rossi, G.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; BrasilFil: Camargo, J. I. B.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; BrasilFil: Dias Oliveira, A.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; BrasilFil: Morgado, B.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; BrasilFil: Gomes Júnior, A. R.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; BrasilFil: Vieira Martins, R.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; BrasilFil: Behrend, R.. Geneva Observatory; ItaliaFil: Castro Tirado, A.. Instituto de Astrofísica de Andalucía; EspañaFil: Duffard, R.. Instituto de Astrofísica de Andalucía; EspañaFil: Morales, N.. Instituto de Astrofísica de Andalucía; EspañaFil: Gil Hutton, Ricardo Alfredo. Universidad Nacional de San Juan. Facultad de Ciencias Exactas, Físicas y Naturales. Departamento de Geofísica y Astronomía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "El Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "El Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "El Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "El Leoncito"; ArgentinaEDP Sciences2019-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/159866Meza, E.; Sicardy, B.; Assafin, M.; Ortiz, J.L.; Bertrand, T.; et al.; Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016; EDP Sciences; Astronomy and Astrophysics; 625; a42; 5-2019; 1-210004-63611432-0746CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.aanda.org/articles/aa/full_html/2019/05/aa34281-18/aa34281-18.htmlinfo:eu-repo/semantics/altIdentifier/doi/10.1051/0004-6361/201834281info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:36:27Zoai:ri.conicet.gov.ar:11336/159866instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:36:27.699CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016
title Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016
spellingShingle Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016
Meza, E.
METHODS: DATA ANALYSIS
METHODS: OBSERVATIONAL
PLANETS AND SATELLITES: ATMOSPHERES
PLANETS AND SATELLITES: PHYSICAL EVOLUTION
PLANETS AND SATELLITES: TERRESTRIAL PLANETS
TECHNIQUES: PHOTOMETRIC
title_short Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016
title_full Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016
title_fullStr Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016
title_full_unstemmed Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016
title_sort Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016
dc.creator.none.fl_str_mv Meza, E.
Sicardy, B.
Assafin, M.
Ortiz, J.L.
Bertrand, T.
Lellouch, E.
Desmars, J.
Forget, F.
Bérard, D.
Doressoundiram, A.
Lecacheux, J.
Marques Oliveira, J.
Roques, F.
Widemann, T.
Colas, F.
Vachier, F.
Renner, S.
Leiva, R.
Braga Ribas, F.
Benedetti Rossi, G.
Camargo, J. I. B.
Dias Oliveira, A.
Morgado, B.
Gomes Júnior, A. R.
Vieira Martins, R.
Behrend, R.
Castro Tirado, A.
Duffard, R.
Morales, N.
Gil Hutton, Ricardo Alfredo
author Meza, E.
author_facet Meza, E.
Sicardy, B.
Assafin, M.
Ortiz, J.L.
Bertrand, T.
Lellouch, E.
Desmars, J.
Forget, F.
Bérard, D.
Doressoundiram, A.
Lecacheux, J.
Marques Oliveira, J.
Roques, F.
Widemann, T.
Colas, F.
Vachier, F.
Renner, S.
Leiva, R.
Braga Ribas, F.
Benedetti Rossi, G.
Camargo, J. I. B.
Dias Oliveira, A.
Morgado, B.
Gomes Júnior, A. R.
Vieira Martins, R.
Behrend, R.
Castro Tirado, A.
Duffard, R.
Morales, N.
Gil Hutton, Ricardo Alfredo
author_role author
author2 Sicardy, B.
Assafin, M.
Ortiz, J.L.
Bertrand, T.
Lellouch, E.
Desmars, J.
Forget, F.
Bérard, D.
Doressoundiram, A.
Lecacheux, J.
Marques Oliveira, J.
Roques, F.
Widemann, T.
Colas, F.
Vachier, F.
Renner, S.
Leiva, R.
Braga Ribas, F.
Benedetti Rossi, G.
Camargo, J. I. B.
Dias Oliveira, A.
Morgado, B.
Gomes Júnior, A. R.
Vieira Martins, R.
Behrend, R.
Castro Tirado, A.
Duffard, R.
Morales, N.
Gil Hutton, Ricardo Alfredo
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv METHODS: DATA ANALYSIS
METHODS: OBSERVATIONAL
PLANETS AND SATELLITES: ATMOSPHERES
PLANETS AND SATELLITES: PHYSICAL EVOLUTION
PLANETS AND SATELLITES: TERRESTRIAL PLANETS
TECHNIQUES: PHOTOMETRIC
topic METHODS: DATA ANALYSIS
METHODS: OBSERVATIONAL
PLANETS AND SATELLITES: ATMOSPHERES
PLANETS AND SATELLITES: PHYSICAL EVOLUTION
PLANETS AND SATELLITES: TERRESTRIAL PLANETS
TECHNIQUES: PHOTOMETRIC
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Context. The tenuous nitrogen (N2) atmosphere on Pluto undergoes strong seasonal effects due to high obliquity and orbital eccentricity, and has recently (July 2015) been observed by the New Horizons spacecraft. Aims. The main goals of this study are (i) to construct a well calibrated record of the seasonal evolution of surface pressure on Pluto and (ii) to constrain the structure of the lower atmosphere using a central flash observed in 2015. Methods. Eleven stellar occultations by Pluto observed between 2002 and 2016 are used to retrieve atmospheric profiles (density, pressure, temperature) between altitude levels of ∼5 and ∼380 km (i.e. pressures from ∼10 μbar to 10 nbar). Results. (i) Pressure has suffered a monotonic increase from 1988 to 2016, that is compared to a seasonal volatile transport model, from which tight constraints on a combination of albedo and emissivity of N2 ice are derived. (ii) A central flash observed on 2015 June 29 is consistent with New Horizons REX profiles, provided that (a) large diurnal temperature variations (not expected by current models) occur over Sputnik Planitia; and/or (b) hazes with tangential optical depth of ∼0.3 are present at 4-7 km altitude levels; and/or (c) the nominal REX density values are overestimated by an implausibly large factor of ∼20%; and/or (d) higher terrains block part of the flash in the Charon facing hemisphere.
Fil: Meza, E.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Sicardy, B.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Assafin, M.. Observatório do Valongo; Brasil. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Ortiz, J.L.. Instituto de Astrofísica de Andalucía; España
Fil: Bertrand, T.. National Aeronautics and Space Administration; Estados Unidos
Fil: Lellouch, E.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Desmars, J.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Forget, F.. Laboratoire de Meteorologie Dynamique; Francia. Sorbonne University; Francia. Universite de Paris VI; Francia. Centre National de la Recherche Scientifique; Francia
Fil: Bérard, D.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Doressoundiram, A.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Lecacheux, J.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Marques Oliveira, J.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Roques, F.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Widemann, T.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia
Fil: Colas, F.. National Aeronautics and Space Administration; Estados Unidos
Fil: Vachier, F.. National Aeronautics and Space Administration; Estados Unidos
Fil: Renner, S.. National Aeronautics and Space Administration; Estados Unidos. Observatoire de Lille; Francia
Fil: Leiva, R.. Southwest Research Institute.; Estados Unidos
Fil: Braga Ribas, F.. Centre National de la Recherche Scientifique. Observatoire de Paris; Francia. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil. Universidade Tecnologia Federal do Parana; Brasil
Fil: Benedetti Rossi, G.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Camargo, J. I. B.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Dias Oliveira, A.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Morgado, B.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Gomes Júnior, A. R.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Vieira Martins, R.. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil
Fil: Behrend, R.. Geneva Observatory; Italia
Fil: Castro Tirado, A.. Instituto de Astrofísica de Andalucía; España
Fil: Duffard, R.. Instituto de Astrofísica de Andalucía; España
Fil: Morales, N.. Instituto de Astrofísica de Andalucía; España
Fil: Gil Hutton, Ricardo Alfredo. Universidad Nacional de San Juan. Facultad de Ciencias Exactas, Físicas y Naturales. Departamento de Geofísica y Astronomía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "El Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "El Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "El Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "El Leoncito"; Argentina
description Context. The tenuous nitrogen (N2) atmosphere on Pluto undergoes strong seasonal effects due to high obliquity and orbital eccentricity, and has recently (July 2015) been observed by the New Horizons spacecraft. Aims. The main goals of this study are (i) to construct a well calibrated record of the seasonal evolution of surface pressure on Pluto and (ii) to constrain the structure of the lower atmosphere using a central flash observed in 2015. Methods. Eleven stellar occultations by Pluto observed between 2002 and 2016 are used to retrieve atmospheric profiles (density, pressure, temperature) between altitude levels of ∼5 and ∼380 km (i.e. pressures from ∼10 μbar to 10 nbar). Results. (i) Pressure has suffered a monotonic increase from 1988 to 2016, that is compared to a seasonal volatile transport model, from which tight constraints on a combination of albedo and emissivity of N2 ice are derived. (ii) A central flash observed on 2015 June 29 is consistent with New Horizons REX profiles, provided that (a) large diurnal temperature variations (not expected by current models) occur over Sputnik Planitia; and/or (b) hazes with tangential optical depth of ∼0.3 are present at 4-7 km altitude levels; and/or (c) the nominal REX density values are overestimated by an implausibly large factor of ∼20%; and/or (d) higher terrains block part of the flash in the Charon facing hemisphere.
publishDate 2019
dc.date.none.fl_str_mv 2019-05
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/159866
Meza, E.; Sicardy, B.; Assafin, M.; Ortiz, J.L.; Bertrand, T.; et al.; Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016; EDP Sciences; Astronomy and Astrophysics; 625; a42; 5-2019; 1-21
0004-6361
1432-0746
CONICET Digital
CONICET
url http://hdl.handle.net/11336/159866
identifier_str_mv Meza, E.; Sicardy, B.; Assafin, M.; Ortiz, J.L.; Bertrand, T.; et al.; Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016; EDP Sciences; Astronomy and Astrophysics; 625; a42; 5-2019; 1-21
0004-6361
1432-0746
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.aanda.org/articles/aa/full_html/2019/05/aa34281-18/aa34281-18.html
info:eu-repo/semantics/altIdentifier/doi/10.1051/0004-6361/201834281
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1844614385264230400
score 13.070432