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ESA Voyage 2050 white paper -- Faint objects in motion: the new frontier of high precision astrometry

hal.structure.identifierInstitut de Planétologie et d'Astrophysique de Grenoble [IPAG]
dc.contributor.authorMALBET, Fabien
hal.structure.identifierINAF - Osservatorio Astrofisico di Torino [OATo]
dc.contributor.authorABBAS, U.
hal.structure.identifierUniversität Wien = University of Vienna
dc.contributor.authorALVES, J.
hal.structure.identifierLaboratoire d'Annecy-le-Vieux de Physique Théorique [LAPTH]
dc.contributor.authorBOEHM, C.
dc.contributor.authorBROWN, W.
hal.structure.identifierM2A 2016
dc.contributor.authorCHEMIN, L.
hal.structure.identifierInstitute of Physics
dc.contributor.authorCORREIA, A.
hal.structure.identifierLaboratoire d'Astrophysique [Versoix] [LASTRO]
dc.contributor.authorCOURBIN, F.
dc.contributor.authorDARLING, J.
dc.contributor.authorDIAFERIO, A.
dc.contributor.authorFORTIN, M.
hal.structure.identifierResearch and Scientific Support Department, ESTEC [RSSD]
dc.contributor.authorFRIDLUND, M.
dc.contributor.authorGNEDIN, O.
hal.structure.identifierHeckscher-Klinikum
dc.contributor.authorHOLL, B.
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
dc.contributor.authorKRONE-MARTINS, A.
hal.structure.identifierInstitut d'astrophysique spatiale [IAS]
dc.contributor.authorLÉGER, A.
dc.contributor.authorLABADIE, L.
hal.structure.identifierInstitut de Mécanique Céleste et de Calcul des Ephémérides [IMCCE]
dc.contributor.authorLASKAR, J.
hal.structure.identifierInstitut d'Astrophysique de Paris [IAP]
dc.contributor.authorMAMON, G.
dc.contributor.authorMCARTHUR, B.
dc.contributor.authorMICHALIK, D.
hal.structure.identifierUniversidade de Lisboa = University of Lisbon = Université de Lisbonne [ULISBOA]
dc.contributor.authorMOITINHO, A.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorOERTEL, M.
dc.contributor.authorOSTORERO, L.
dc.contributor.authorSCHNEIDER, J.
dc.contributor.authorSCOTT, P.
hal.structure.identifierState Joint Key Laboratory of Environmental Simulation and Pollution Control
dc.contributor.authorSHAO, M.
hal.structure.identifierINAF - Osservatorio Astrofisico di Torino [OATo]
dc.contributor.authorSOZZETTI, A.
hal.structure.identifierSpace Sciences Laboratory [Berkeley] [SSL]
dc.contributor.authorTOMSICK, J.
dc.contributor.authorVALLURI, M.
dc.contributor.authorWYSE, R.
dc.date.issued2019-10-12
dc.description.abstractEnSky survey telescopes and powerful targeted telescopes play complementary roles in astronomy. In order to investigate the nature and characteristics of the motions of very faint objects, a flexibly-pointed instrument capable of high astrometric accuracy is an ideal complement to current astrometric surveys and a unique tool for precision astrophysics. Such a space-based mission will push the frontier of precision astrometry from evidence of earth-massed habitable worlds around the nearest starts, and also into distant Milky way objects up to the Local Group of galaxies. As we enter the era of the James Webb Space Telescope and the new ground-based, adaptive-optics-enabled giant telescopes, by obtaining these high precision measurements on key objects that Gaia could not reach, a mission that focuses on high precision astrometry science can consolidate our theoretical understanding of the local universe, enable extrapolation of physical processes to remote redshifts, and derive a much more consistent picture of cosmological evolution and the likely fate of our cosmos. Already several missions have been proposed to address the science case of faint objects in motion using high precision astrometry ESA missions: NEAT for M3, micro-NEAT for S1 mission, and Theia for M4 and M5. Additional new mission configurations adapted with technological innovations could be envisioned to pursue accurate measurements of these extremely small motions. The goal of this white paper is to address the fundamental science questions that are at stake when we focus on the motions of faint sky objects and to briefly review quickly instrumentation and mission profiles.
dc.language.isoen
dc.subject.enAstrophysics - Solar and Stellar Astrophysics
dc.subject.enAstrophysics - Instrumentation and Methods for Astrophysics
dc.subject.enAstrophysics - Cosmology and Nongalactic Astrophysics
dc.subject.enAstrophysics - Earth and Planetary Astrophysics
dc.subject.enAstrophysics - Astrophysics of Galaxies
dc.title.enESA Voyage 2050 white paper -- Faint objects in motion: the new frontier of high precision astrometry
dc.typeRapport
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]
bordeaux.type.institutionInstitut Planetologie Astrophysique de Grenoble
bordeaux.type.reporta
hal.identifierhal-02444146
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02444146v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2019-10-12&rft.au=MALBET,%20Fabien&ABBAS,%20U.&ALVES,%20J.&BOEHM,%20C.&BROWN,%20W.&rft.genre=unknown


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