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The DREAMS experiment flown on the ExoMars 2016 mission for the study of Martian environment during the dust storm season

Measurement Elsevier 122 (2018) 484-493

Authors:

C Bettanini, F Esposito, S Debei, C Molfese, G Colombatti, A Aboudan, JR Brucato, F Cortecchia, G Di Achille, GP Guizzo, E Friso, F Ferri, L Marty, V Mennella, R Molinaro, P Schipani, S Silvestro, R Mugnuolo, S Pirrotta, E Marchetti, The International DREAMS Team, A-M Harri, F Montmessin, C Wilson, I Arruego Rodríguez, S Abbaki, V Apestigue, G Bellucci, J-J Berthelier, SB Calcutt, F Forget, M Genzer, P Gilbert, H Haukka, JJ Jiménez, S Jiménez, J-L Josset, O Karatekin, G Landis, R Lorenz, J Martinez, D Möhlmann, D Moirin, E Palomba, M Patel, J-P Pommereau, CI Popa, S Rafkin, P Rannou, NO Renno, W Schmidt, F Simoes, A Spiga, F Valero, L Vázquez, F Vivat, O Witasse
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Opto-mechanical designs for the HARMONI Adaptive Optics systems

(2018)

Authors:

Kjetil Dohlen, Timothy Morris, Javier Piqueras Lopez, Ariadna Calcines-Rosario, Anne Costille, Marc Dubbeldam, Kacem El Hadi, Thierry Fusco, Marc Llored, Benoit Neichel, Sandrine Pascal, Jean-Francois Sauvage, Pascal Vola, Fraser Clarke, Hermine Schnetler, Ian Bryson, Niranjan Thatte
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Limits on Dione's activity using Cassini/CIRS data

Geophysical Research Letters Wiley 45:12 (2018) 5876-5898

Authors:

Cja Howett, Jr Spencer, T Hurford, A Verbiscer, M Segura

Abstract:

We use nighttime Cassini Composite Infrared Spectrometer (CIRS) data to look for discrete regions of elevated nighttime temperatures indicative of endogenic activity on Dione's surface. This is achieved by producing low latitude and midlatitude (less than 60°) maps of Dione's nighttime surface temperature, derived from 10 to 1,100-cm−1 CIRS data. The surface temperatures observed do not show evidence of any small discrete regions of elevated nighttime temperatures and are comparable to temperatures predicted by a passive thermophysical model of Dione's surface. Thus, we conclude that no evidence for activity exists on Dione at midlatitude to low latitude. Using the derived surface temperature maps, we set upper limits for the temperature at which a 50-, 100-, or 200-km2 hot spot would remain undetected by this study. We find the mean temperature of such a hot spot would be 117.1 ± 47.2 K (−249 F), 104.8 ± 27.7 K (−272 F), and 95.4 ± 19.5 K (−288 F) for a 50-, 100-, and 200-km2 hot spot, respectively, corresponding to endogenic emission of 1.07, 0.68, and 0.47 GW.
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Cold cases: What we don't know about Saturn's Moons

Planetary and Space Science Elsevier 155 (2018) 41-49

Authors:

BJ Buratti, RN Clark, F Crary, CJ Hansen, AR Hendrix, CJA Howett, J Lunine, C Paranicas
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Corrigendum to: Further Evidence of a Brown Dwarf Orbiting the Post-Common Envelope Eclipsing Binary V470 Cam (HS 0705+6700)

Open Astronomy (2018)

Authors:

AE Lynas-Gray, D Bogensberger, FRASER Clarke

Abstract:

© 2018 D. Bogensberger, published by De Gruyter. "Eclipse times for HS 0705+6700 which Bogensberger et al. (2017, Open Astronomy 26, 134, their table 2) list are exposure-start times; times of mid-exposure are obtained by adding thirty seconds (0.00035 days) to each entry. Third body orbital parameterswhich Bogensberger et al. deduce are superseded by the analysis of more recent data, to be the subject of a future publication".
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