Search Results - "Pommerol, A"

Low-phase spectral reflectance and equivalent “geometric albedo” of meteorites powders by Beck, P., Schmitt, B., Potin, S., Pommerol, A., Brissaud, O.

“…Generally, the reflectance of a particulate surface depends on the phase angle at which it is observed. This is true for laboratory measurements on powders of…”
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Laboratory observations and simulations of phase reddening by Schröder, S.E., Grynko, Ye, Pommerol, A., Keller, H.U., Thomas, N., Roush, T.L.

“…•Particulate samples of common rocks show spectral changes with increasing phase angle.•Degree of particle transparency and sample surface roughness are the…”
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Analysis of polygonal cracking patterns in chloride-bearing terrains on Mars: Indicators of ancient playa settings by El-Maarry, M. R., Pommerol, A., Thomas, N.

“…The ancient southern highlands on Mars (~3.5 Gyr old) contain > 600 regions that display spectral evidence in the infrared for the presence of chloride‐bearing…”
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Rosetta's comet 67P/Churyumov-Gerasimenko sheds its dusty mantle to reveal its icy nature by Fornasier, S., Mottola, S., Keller, H. U., Barucci, M. A., Davidsson, B., Feller, C., Deshapriya, J. D. P., Sierks, H., Barbieri, C., Lamy, P. L., Rodrigo, R., Koschny, D., Rickman, H., A'Hearn, M., Agarwal, J., Bertaux, J.-L., Bertini, I., Besse, S., Cremonese, G., Da Deppo, V., Debei, S., De Cecco, M., Deller, J., EI-Maarry, M. R., Fulle, M., Groussin, O., Gutierrez, P. J., Güttler, C., Hofmann, M., Hviid, S. F., Ip, W.-H., Jorda, L., Knollenberg, J., Kovacs, G., Kramm, R., Kührt, E., Küppers, M., Lara, M. L., Lazzarin, M., Moreno, J. J. Lopez, Marzari, F., Massironi, M., Naletto, G., Oklay, N., Pajola, M., Pommerol, A., Preusker, F., Scholten, F., Shi, X., Thomas, N., Toth, I., Tubiana, C., Vincent, J.-B.

“…The Rosetta spacecraft has investigated comet 67P/Churyumov-Gerasimenko from large heliocentric distances to its perihelion passage and beyond. We trace the…”
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The Colour and Stereo Surface Imaging System (CaSSIS) for the ExoMars Trace Gas Orbiter by Thomas, N., Cremonese, G., Ziethe, R., Gerber, M., Brändli, M., Bruno, G., Erismann, M., Gambicorti, L., Gerber, T., Ghose, K., Gruber, M., Gubler, P., Mischler, H., Jost, J., Piazza, D., Pommerol, A., Rieder, M., Roloff, V., Servonet, A., Trottmann, W., Uthaicharoenpong, T., Zimmermann, C., Vernani, D., Johnson, M., Pelò, E., Weigel, T., Viertl, J., De Roux, N., Lochmatter, P., Sutter, G., Casciello, A., Hausner, T., Ficai Veltroni, I., Da Deppo, V., Orleanski, P., Nowosielski, W., Zawistowski, T., Szalai, S., Sodor, B., Tulyakov, S., Troznai, G., Banaskiewicz, M., Bridges, J. C., Byrne, S., Debei, S., El-Maarry, M. R., Hauber, E., Hansen, C. J., Ivanov, A., Keszthelyi, L., Kirk, R., Kuzmin, R., Mangold, N., Marinangeli, L., Markiewicz, W. J., Massironi, M., McEwen, A. S., Okubo, C., Tornabene, L. L., Wajer, P., Wray, J. J.

“…The Colour and Stereo Surface Imaging System (CaSSIS) is the main imaging system onboard the European Space Agency’s ExoMars Trace Gas Orbiter (TGO) which was…”
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Spectrophotometric properties of CoPhyLab’s dust mixtures by Feller, C, Pommerol, A, Lethuillier, A, Hänni, N, Schürch, S, Bühr, C, Gundlach, B, Haenni, B, Jäggi, N, Kaminek, M

“…ABSTRACT Objective: In the framework of the Cometary Physics Laboratory (CoPhyLab) and its sublimation experiments of cometary surface analogues under…”
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Implications for the origin and evolution of Martian Recurring Slope Lineae at Hale crater from CaSSIS observations by Munaretto, G., Pajola, M., Cremonese, G., Re, C., Lucchetti, A., Simioni, E., McEwen, A.S., Pommerol, A., Becerra, P., Conway, S.J., Thomas, N., Massironi, M.

“…Recurring Slope Lineae (RSL) are narrow, dark features that typically source from rocky outcrops, incrementally lengthen down Martian steep slopes in warm…”
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A Global Dataset of Potential Chloride Deposits on Mars as Identified by TGO CaSSIS by Bickel, V. T., Thomas, N., Pommerol, A., Tornabene, L. L., El-Maarry, M. R., Rangarajan, V. G.

“…Chloride deposits are markers for early Mars’ aqueous past, with important implications for our understanding of the martian climate and habitability. The…”
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Winter and spring evolution of northern seasonal deposits on Mars from OMEGA on Mars Express by Appéré, T., Schmitt, B., Langevin, Y., Douté, S., Pommerol, A., Forget, F., Spiga, A., Gondet, B., Bibring, J.-P.

“…The OMEGA visible/near‐infrared imaging spectrometer on Mars Express has observed the retreat of the northern seasonal deposits during Martian year 27–28 from…”
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Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past by El-Maarry, M. Ramy, Groussin, O., Thomas, N., Pajola, M., Auger, A.-T., Davidsson, B., Hu, X., Hviid, S. F., Knollenberg, J., Güttler, C., Tubiana, C., Fornasier, S., Feller, C., Hasselmann, P., Vincent, J.-B., Sierks, H., Barbieri, C., Lamy, P., Rodrigo, R., Koschny, D., Keller, H. U., Rickman, H., A’Hearn, M. F., Barucci, M. A., Bertaux, J.-L., Bertini, I., Besse, S., Bodewits, D., Cremonese, G., Da Deppo, V., Debei, S., De Cecco, M., Deller, J., Deshapriya, J. D. P., Fulle, M., Gutierrez, P. J., Hofmann, M., Ip, W.-H., Jorda, L., Kovacs, G., Kramm, J.-R., Kührt, E., Küppers, M., Lara, L. M., Lazzarin, M., Lin, Z.-Yi, Moreno, J. J. Lopez, Marchi, S., Marzari, F., Mottola, S., Naletto, G., Oklay, N., Pommerol, A., Preusker, F., Scholten, F., Shi, X.

“…The Rosetta spacecraft spent ~2 years orbiting comet 67P/Churyumov-Gerasimenko, most of it at distances that allowed surface characterization and monitoring at…”
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The 3–5MHz global reflectivity map of Mars by MARSIS/Mars Express: Implications for the current inventory of subsurface H2O by Mouginot, J, Pommerol, A, Kofman, W, Beck, P, Schmitt, B, Herique, A, Grima, C, Safaeinili, A, Plaut, J J

“…We extracted the surface echo power from 2 years of MARSIS measurements. The retrieved values are calibrated to compensate for changes in the distance of the…”
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Infrared detection of aliphatic organics on a cometary nucleus by Raponi, A., Ciarniello, M., Capaccioni, F., Mennella, V., Filacchione, G., Vinogradoff, V., Poch, O., Beck, P., Quirico, E., De Sanctis, M. C., Moroz, L. V., Kappel, D., Erard, S., Bockelée-Morvan, D., Longobardo, A., Tosi, F., Palomba, E., Combe, J.-P., Rousseau, B., Arnold, G., Carlson, R. W., Pommerol, A., Pilorget, C., Fornasier, S., Bellucci, G., Barucci, A., Mancarella, F., Formisano, M., Rinaldi, G., Istiqomah, I., Leyrat, C.

“…The European Space Agency’s Rosetta mission 1 has acquired unprecedented measurements of the surface of the nucleus of comet 67P/Churyumov–Gerasimenko…”
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A Noachian source region for the “Black Beauty” meteorite, and a source lithology for Mars surface hydrated dust? by Beck, P., Pommerol, A., Zanda, B., Remusat, L., Lorand, J.P., Göpel, C., Hewins, R., Pont, S., Lewin, E., Quirico, E., Schmitt, B., Montes-Hernandez, G., Garenne, A., Bonal, L., Proux, O., Hazemann, J.L., Chevrier, V.F.

“…The Martian surface is covered by a fine-layer of oxidized dust responsible for its red color in the visible spectral range (Bibring et al., 2006; Morris et…”
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In situ kinetic measurements of gas–solid carbonation of Ca(OH) 2 by using an infrared microscope coupled to a reaction cell by Montes-Hernandez, G., Pommerol, A., Renard, F., Beck, P., Quirico, E., Brissaud, O.

“…Gas–solid carbonation experiments were carried out by using an infrared microscope coupled to a reaction cell. The hydroxide ions (OH) consumption and the…”
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Evidence for transient morning water frost deposits on the Tharsis volcanoes of Mars by Valantinas, A., Thomas, N., Pommerol, A., Karatekin, O., Ruiz Lozano, L., Senel, C. B., Temel, O., Hauber, E., Tirsch, D., Bickel, V. T., Munaretto, G., Pajola, M., Oliva, F., Schmidt, F., Thomas, I., McEwen, A. S., Almeida, M., Read, M., Rangarajan, V. G., El-Maarry, M. R., Re, C., Carrozzo, F. G., D’Aversa, E., Daerden, F., Ristic, B., Patel, M. R., Bellucci, G., Lopez-Moreno, J. J., Vandaele, A. C., Cremonese, G.

“…The present-day water cycle on Mars has implications for habitability and future human exploration. Water ice clouds and water vapour have been detected above…”
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Photometric properties of Mars soils analogs by Pommerol, A., Thomas, N., Jost, B., Beck, P., Okubo, C., McEwen, A. S.

“…We have measured the bidirectional reflectance of analogs of dry, wet, and frozen Martian soils over a wide range of phase angles in the visible spectral…”
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Cometary dust analogues for physics experiments by Lethuillier, A, Feller, C, Kaufmann, E, Becerra, P, Hänni, N, Diethelm, R, Kreuzig, C, Gundlach, B, Blum, J, Pommerol, A, Kargl, G, Laddha, S, Denisova, K, Kührt, E, Capelo, H L, Haack, D, Zhang, X, Knollenberg, J, Molinski, N S, Gilke, T, Sierks, H, Tiefenbacher, P, Güttler, C, Otto, K A, Bischoff, D, Schweighart, M, Hagermann, A, Jäggi, N

“…ABSTRACT The CoPhyLab (Cometary Physics Laboratory) project is designed to study the physics of comets through a series of earth-based experiments. For these…”
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Fractures on comet 67P/Churyumov-Gerasimenko observed by Rosetta/OSIRIS by El-Maarry, M. R., Thomas, N., Gracia-Berná, A., Marschall, R., Auger, A.-T., Groussin, O., Mottola, S., Pajola, M., Massironi, M., Marchi, S., Höfner, S., Preusker, F., Scholten, F., Jorda, L., Kührt, E., Keller, H. U., Sierks, H., A'Hearn, M. F., Barbieri, C., Barucci, M. A., Bertaux, J.-L., Bertini, I., Cremonese, G., Da Deppo, V., Davidsson, B., Debei, S., De Cecco, M., Deller, J., Güttler, C., Fornasier, S., Fulle, M., Gutierrez, P. J., Hofmann, M., Hviid, S. F., Ip, W.-H., Knollenberg, J., Koschny, D., Kovacs, G., Kramm, J.-R., Küppers, M., Lamy, P. L., Lara, L. M., Lazzarin, M., Lopez Moreno, J. J., Marzari, F., Michalik, H., Naletto, G., Oklay, N., Pommerol, A., Rickman, H., Rodrigo, R., Tubiana, C., Vincent, J.-B.

“…The Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) experiment onboard the Rosetta spacecraft currently orbiting comet…”
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Radiometric Calibration Targets for the Mastcam-Z Camera on the Mars 2020 Rover Mission by Kinch, K. M., Madsen, M. B., Bell, J. F., Maki, J. N., Bailey, Z. J., Hayes, A. G., Jensen, O. B., Merusi, M., Bernt, M. H., Sørensen, A. N., Hilverda, M., Cloutis, E., Applin, D., Mateo-Marti, E., Manrique, J. A., Lopez-Reyes, G., Bello-Arufe, A., Ehlmann, B. L., Buz, J., Pommerol, A., Thomas, N., Affolter, L., Herkenhoff, K. E., Johnson, J. R., Rice, M., Corlies, P., Tate, C., Caplinger, M. A., Jensen, E., Kubacki, T., Cisneros, E., Paris, K., Winhold, A.

“…The Mastcam-Z Camera is a stereoscopic, multispectral camera with zoom capability on NASA’s Mars-2020 Perseverance rover. The Mastcam-Z relies on a set of two…”
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Comparative study of the surface roughness of the Moon, Mars and Mercury by Pommerol, A., Chakraborty, S., Thomas, N.

“…We analyze and compare the surface roughness of the Moon, Mercury and Mars by characterizing the scale-dependence of the slope distribution. We calculate the…”
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