THERMAP: a mid-infrared spectro-imager for space missions to small bodies in the inner solar system
- Creators
- Groussin, O.
- Licandro, J.
- Helbert, J.
- Reynaud, J. L.
- Levacher, P.
- Reyes Garcia-Talavera, M.
- Ali-Lagoa, V.
- Blanc, P. E.
- Brageot, E.
- Davidsson, B.
- Delbo, M.
- Deleuze, M.
- Delsanti, A.
- Diaz Garcia, J. J.
- Dohlen, K.
- Ferrand, D.
- Green, S. F.
- Jorda, L.
- Joven Alvarez, E.
- Knollenberg, J.
- Kuehrt, E.
- Lamy, P.
- Lellouch, E.
- Le Merrer, J.
- Marty, B.
- Mas, G.
- Rossin, C.
- Rozitis, B.
- Sunshine, J.
- Vernazza, P.
- Vives, S.
- Others:
- Laboratoire d'Astrophysique de Marseille (LAM) ; Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)
- Instituto de Astrofisica de Canarias (IAC)
- DLR Institute of Planetary Research ; German Aerospace Center (DLR)
- Department of Physics and Astronomy [Uppsala] ; Uppsala University
- Observatoire de la Côte d'Azur ; COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)
- Centre National d'Études Spatiales [Toulouse] (CNES)
- Planetary and Space Sciences Research Institute [Milton Keynes] (PSSRI) ; Centre for Earth, Planetary, Space and Astronomical Research [Milton Keynes] (CEPSAR) ; The Open University [Milton Keynes] (OU)-The Open University [Milton Keynes] (OU)
- DLR Institut für Planetenforschung ; Deutsches Zentrum für Luft- und Raumfahrt [Berlin] (DLR)
- German Aerospace Center (DLR)
- Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA) ; Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris ; Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
- Centre de Recherches Pétrographiques et Géochimiques (CRPG) ; Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)
- Department of Astronomy [College Park] ; University of Maryland [College Park] ; University of Maryland System-University of Maryland System
Description
We present THERMAP, a mid-infrared spectro-imager for space missions to small bodies in the inner solar system, developed in the framework of the MarcoPolo-R asteroid sample return mission. THERMAP is very well suited to characterize the surface thermal environment of a NEO and to map its surface composition. The instrument has two channels, one for imaging and one for spectroscopy: it is both a thermal camera with full 2D imaging capabilities and a slit spectrometer. THERMAP takes advantage of the recent technological developments of uncooled microbolometer arrays, sensitive in the mid-infrared spectral range. THERMAP can acquire thermal images (8-18 mu m) of the surface and perform absolute temperature measurements with a precision better than 3.5 K above 200 K. THERMAP can acquire mid-infrared spectra (8-16 mu m) of the surface with a spectral resolution Delta lambda of 0.3 mu m. For surface temperatures above 350 K, spectra have a signal-to-noise ratio \textgreater 60 in the spectral range 9-13 mu m where most emission features occur.
Abstract
International audience
Additional details
- URL
- https://hal.science/hal-01440673
- URN
- urn:oai:HAL:hal-01440673v1
- Origin repository
- UNICA