We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
THERMAP: a mid-infrared spectro-imager for space missions to small bodies in the inner solar system.
- Authors
Groussin, O.; Licandro, J.; Helbert, J.; Reynaud, J.; Levacher, P.; Reyes García-Talavera, M.; Alí-Lagoa, V.; Blanc, P.; Brageot, E.; Davidsson, B.; Delbó, M.; Deleuze, M.; Delsanti, A.; Diaz Garcia, J.; Dohlen, K.; Ferrand, D.; Green, S.; Jorda, L.; Joven Álvarez, E.; Knollenberg, J.
- Abstract
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 μm) 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 μm) of the surface with a spectral resolution Δλ of 0.3 μm. For surface temperatures above 350 K, spectra have a signal-to-noise ratio >60 in the spectral range 9-13 μm where most emission features occur.
- Subjects
SOLAR system; ASTEROIDS; SPECTRUM analysis; TEMPERATURE measurements; BOLOMETERS
- Publication
Experimental Astronomy, 2016, Vol 41, Issue 1/2, p95
- ISSN
0922-6435
- Publication type
Article
- DOI
10.1007/s10686-015-9475-9