"TNOs are Cool": A survey of the trans-Neptunian region: VII. Size and surface characteristics of (90377) Sedna and 2010 EK 139

We present estimates of the basic physical properties (size and albedo) of (90377) Sedna, a prominent member of the detached trans-Neptunian object population and the recently discovered scattered disk object 2010 EK 139, based on the recent observations acquired with the Herschel Space Observatory,...

Descripción completa

Detalles Bibliográficos
Autores: Pál, A., Kiss, C., Müller, T.G., Santos-Sanz, P., Vilenius, E., Szalai, N., Mommert, M., Lellouch, E., Rengel, M., Hartogh, P., Protopapa, S., Stansberry, J., Ortiz, José Luis, Duffard, René D., Thirouin, Audrey, Henry, F., Delsanti, A.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2012
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/423567
Acceso en línea:http://hdl.handle.net/10261/423567
Access Level:acceso abierto
Palabra clave:Kuiper belt objects: individual: (90377) Sedna
Radiation mechanisms: thermal
Techniques: photometric
KuKuiper belt objects: individual: 2010 EK139
id ES_3be958e24ef7a407630acaa32ffaf7b4
oai_identifier_str oai:digital.csic.es:10261/423567
network_acronym_str ES
network_name_str España
repository_id_str
spelling "TNOs are Cool": A survey of the trans-Neptunian region: VII. Size and surface characteristics of (90377) Sedna and 2010 EK 139Pál, A.Kiss, C.Müller, T.G.Santos-Sanz, P.Vilenius, E.Szalai, N.Mommert, M.Lellouch, E.Rengel, M.Hartogh, P.Protopapa, S.Stansberry, J.Ortiz, José LuisDuffard, René D.Thirouin, AudreyHenry, F.Delsanti, A.Kuiper belt objects: individual: (90377) SednaRadiation mechanisms: thermalTechniques: photometricKuKuiper belt objects: individual: 2010 EK139We present estimates of the basic physical properties (size and albedo) of (90377) Sedna, a prominent member of the detached trans-Neptunian object population and the recently discovered scattered disk object 2010 EK 139, based on the recent observations acquired with the Herschel Space Observatory, within the "TNOs are Cool!" key programme. Our modeling of the thermal measurements shows that both objects have larger albedos and smaller sizes than the previous expectations, thus their surfaces might be covered by ices in a significantly larger fraction. The derived diameter of Sedna and 2010 EK 139 are 995 ± 80 km and 470 +35 -10 km, while the respective geometric albedos are p V = 0.32 ± 0.06 and 0.25 +0.02 -0.05. These estimates are based on thermophysical model techniques. © 2012 ESO.We gratefully thank the valuable comments and sugges- tions of the referee, Josh Emery. The work of A.P., Cs.K., and N.Sz. has been supported by the ESA grant PECS 98073. A.P. and Cs.K. were also supported by the János Bolyai Research Scholarship of the Hungarian Academy of Sciences. Cs.K. thanks the support of the OTKA grant K101393. Part of this work was sup- ported by the German DLR projects number 50 OR 1108, 50 OR 0903, and 50 OR 0904. M.R. acknowledges support from the German Deutsches Zentrum für Luft- und Raumfahrt, DLR project number 50OFO 0903. M.M. acknowledges support through the DFG Special Priority Program 1385. P.S.-S. would like to ac- knowledge financial support by the Centre National de la Recherche Scientifique (CNRS). J.-L.O. acknowledges the Spanish grants AYA2008-06202-C03-01, AYA2011-30106-C02-01 and 2007-FQM2998.Peer reviewedEDP SciencesEuropean Space AgencyHungarian Academy of SciencesGerman Research FoundationCentre National de la Recherche Scientifique (France)Junta de AndalucíaConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202620262012info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/423567reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/MICINN//AYA2008-06202-C03-01info:eu-repo/grantAgreement/MINECO//AYA2011-30106-C02-01http://dx.doi.org/10.1051/0004-6361/201218874Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/4235672026-05-22T06:33:51Z
dc.title.none.fl_str_mv "TNOs are Cool": A survey of the trans-Neptunian region: VII. Size and surface characteristics of (90377) Sedna and 2010 EK 139
title "TNOs are Cool": A survey of the trans-Neptunian region: VII. Size and surface characteristics of (90377) Sedna and 2010 EK 139
spellingShingle "TNOs are Cool": A survey of the trans-Neptunian region: VII. Size and surface characteristics of (90377) Sedna and 2010 EK 139
Pál, A.
Kuiper belt objects: individual: (90377) Sedna
Radiation mechanisms: thermal
Techniques: photometric
KuKuiper belt objects: individual: 2010 EK139
title_short "TNOs are Cool": A survey of the trans-Neptunian region: VII. Size and surface characteristics of (90377) Sedna and 2010 EK 139
title_full "TNOs are Cool": A survey of the trans-Neptunian region: VII. Size and surface characteristics of (90377) Sedna and 2010 EK 139
title_fullStr "TNOs are Cool": A survey of the trans-Neptunian region: VII. Size and surface characteristics of (90377) Sedna and 2010 EK 139
title_full_unstemmed "TNOs are Cool": A survey of the trans-Neptunian region: VII. Size and surface characteristics of (90377) Sedna and 2010 EK 139
title_sort "TNOs are Cool": A survey of the trans-Neptunian region: VII. Size and surface characteristics of (90377) Sedna and 2010 EK 139
dc.creator.none.fl_str_mv Pál, A.
Kiss, C.
Müller, T.G.
Santos-Sanz, P.
Vilenius, E.
Szalai, N.
Mommert, M.
Lellouch, E.
Rengel, M.
Hartogh, P.
Protopapa, S.
Stansberry, J.
Ortiz, José Luis
Duffard, René D.
Thirouin, Audrey
Henry, F.
Delsanti, A.
author Pál, A.
author_facet Pál, A.
Kiss, C.
Müller, T.G.
Santos-Sanz, P.
Vilenius, E.
Szalai, N.
Mommert, M.
Lellouch, E.
Rengel, M.
Hartogh, P.
Protopapa, S.
Stansberry, J.
Ortiz, José Luis
Duffard, René D.
Thirouin, Audrey
Henry, F.
Delsanti, A.
author_role author
author2 Kiss, C.
Müller, T.G.
Santos-Sanz, P.
Vilenius, E.
Szalai, N.
Mommert, M.
Lellouch, E.
Rengel, M.
Hartogh, P.
Protopapa, S.
Stansberry, J.
Ortiz, José Luis
Duffard, René D.
Thirouin, Audrey
Henry, F.
Delsanti, A.
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv European Space Agency
Hungarian Academy of Sciences
German Research Foundation
Centre National de la Recherche Scientifique (France)
Junta de Andalucía
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Kuiper belt objects: individual: (90377) Sedna
Radiation mechanisms: thermal
Techniques: photometric
KuKuiper belt objects: individual: 2010 EK139
topic Kuiper belt objects: individual: (90377) Sedna
Radiation mechanisms: thermal
Techniques: photometric
KuKuiper belt objects: individual: 2010 EK139
description We present estimates of the basic physical properties (size and albedo) of (90377) Sedna, a prominent member of the detached trans-Neptunian object population and the recently discovered scattered disk object 2010 EK 139, based on the recent observations acquired with the Herschel Space Observatory, within the "TNOs are Cool!" key programme. Our modeling of the thermal measurements shows that both objects have larger albedos and smaller sizes than the previous expectations, thus their surfaces might be covered by ices in a significantly larger fraction. The derived diameter of Sedna and 2010 EK 139 are 995 ± 80 km and 470 +35 -10 km, while the respective geometric albedos are p V = 0.32 ± 0.06 and 0.25 +0.02 -0.05. These estimates are based on thermophysical model techniques. © 2012 ESO.
publishDate 2012
dc.date.none.fl_str_mv 2012
2026
2026
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/423567
url http://hdl.handle.net/10261/423567
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/MICINN//AYA2008-06202-C03-01
info:eu-repo/grantAgreement/MINECO//AYA2011-30106-C02-01
http://dx.doi.org/10.1051/0004-6361/201218874
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869406336226164736
score 15,81155

Similares en LA Referencia