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6 results on '"Limaye, Sanjay S"'

1. In situ biochemical characterization of Venus cloud particles using a life-signature detection microscope.

Author

Sasaki S, Yamagishi A, Yoshimura Y, Enya K, Miyakawa A, Ohno S, Fujita K, Usui T, and Limaye SS

Subjects
Aerosols, Microscopy, Fluorescence, Atmosphere chemistry, Venus
Abstract

Much of the information about the size and shape of aerosols forming haze and the cloud layer of Venus is obtained from indirect inferences from nephelometers on probes and from the analysis of the variation of polarization with the phase angle and the glory feature from images of Venus. The microscopic imaging of Venus' aerosols has recently been advocated. Direct measurements from a fluorescence microscope can provide information on the morphology, density, and biochemical characteristics of the particles; thus, fluorescence microscopy is attractive for in situ particle characterization of the Venus cloud layer. Fluorescence imaging of Venus cloud particles presents several challenges owing to the sulfuric acid composition and corrosive effects. In this article, we identify the challenges and describe our approach to overcoming them for a fluorescence microscope based on an in situ biochemical and physical characterization instrument for use in the clouds of Venus from a suitable aerial platform. We report that pH adjustment using alkali was effective for obtaining fluorescence images and that fluorescence attenuation was observed after the adjustment, even when the acidophile suspension in concentrated sulfuric acid was used as a sample.

Published
2022
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3. Venus looks different from day to night across wavelengths: morphology from Akatsuki multispectral images

Author

Limaye, Sanjay S., Lee, Yeon Joo, Peralta, Javier, Young, Eliot F., Ocampo, Adriana C., Watanabe, Shigeto, Yamazaki, Atsushi, Yamada, Manabu, Satoh, Takehiko, Sato, Takao M., Nakamura, Masato, Taguchi, Makoto, Fukuhara, Tetsuya, Imamura, Takeshi, Kouyama, Toru, Horinouchi, Takeshi, Iwagami, Naomoto, Hashimoto, George L., Takagi, Seiko, Ohtsuki, Shoko, Murakami, Shin-ya, Yamamoto, Yukio, Ogohara, Kazunori, Ando, Hiroki, Sugiyama, Ko-ichiro, Ishii, Nobuaki, Abe, Takumi, Hirose, Chikako, Suzuki, Makoto, and Hirata, Naru

Subjects
Morphology, Daytime, 010504 meteorology & atmospheric sciences, Cloud cover, Multispectral image, Near infrared, lcsh:Geodesy, Venus, 01 natural sciences, law.invention, Atmosphere, Orbiter, Planet, law, 0103 physical sciences, 010303 astronomy & astrophysics, Venus clouds, 0105 earth and related environmental sciences, Ultraviolet, lcsh:QB275-343, biology, Full Paper, Night, lcsh:QE1-996.5, lcsh:Geography. Anthropology. Recreation, Astronomy, Geology, biology.organism_classification, lcsh:Geology, Orbit, lcsh:G, Space and Planetary Science, Day
Abstract

著者人数: 30名, Accepted: 2018-01-24, 資料番号: SA1170242000

Published
2018
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4. Equatorial jet in the lower to middle cloud layer of Venus revealed by Akatsuki

Author

Peralta, Javier, Limaye, Sanjay S., McGouldrick, Kevin, Young, Eliot F., Horinouchi, Takeshi, Murakami, Shin-ya, Satoh, Takehiko, Ogohara, Kazunori, Kouyama, Toru, Imamura, Takeshi, Kashimura, Hiroki, Nakamura, Masato, Sato, Takao M., Sugiyama, Ko-ichiro, Takagi, Masahiro, Watanabe, Shigeto, Yamada, Manabu, and Yamazaki, Atsushi

Subjects
010504 meteorology & atmospheric sciences, Equator, FOS: Physical sciences, Venus, 01 natural sciences, Article, Latitude, law.invention, Atmosphere, Orbiter, Altitude, Planet, law, 0103 physical sciences, Astrophysics::Solar and Stellar Astrophysics, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, Physics::Atmospheric and Oceanic Physics, 0105 earth and related environmental sciences, Earth and Planetary Astrophysics (astro-ph.EP), biology, Astronomy, biology.organism_classification, Physics - Atmospheric and Oceanic Physics, Atmospheric and Oceanic Physics (physics.ao-ph), Physics::Space Physics, Zonal flow, General Earth and Planetary Sciences, Astrophysics::Earth and Planetary Astrophysics, Geology, Astrophysics - Earth and Planetary Astrophysics
Abstract

著者人数: 18名, Accepted: 2017-07-25, 資料番号: SA1170060000

Published
2017
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5. The thermal structure of the Venus atmosphere: Intercomparison of Venus Express and ground based observations of vertical temperature and density profiles

Author

Limaye, Sanjay S., Lebonnois, Sebastien, Mahieux, Arnaud, Paetzold, Martin, Bougher, Steven, Bruinsma, Sean, Chamberlain, Sarah, Clancy, R. Todd, Gerard, Jean-Claude, Gilli, Gabriella, Grassi, Davide, Haus, Rainer, Herrmann, Maren, Kohler, Erika, Krause, Pia, Migliorini, Alessandra, Montmessin, Franck, Pere, Christophe, Persson, Moa, Piccialli, Arianna, Rengel, Miriam, Rodin, Alexander, Sandor, Brad, Sornig, Manuela, Svedhem, Hakan, Tellmann, Silvia, Tanga, Paolo, Vandaele, Ann C., Widemann, Thomas, Wilson, Colin F., Mueller-Wodarg, Ingo, Zasova, Ludmila, Imamura, Takeshi, Space Science and Engineering Center [Madison] (SSEC), University of Wisconsin-Madison, Laboratoire de Météorologie Dynamique (UMR 8539) (LMD), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-École des Ponts ParisTech (ENPC)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris, École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL), Fonds National de la Recherche Scientifique [Bruxelles] (FNRS), Belgian Institute for Space Aeronomy / Institut d'Aéronomie Spatiale de Belgique (BIRA-IASB), Rhenish Institute for Environmental Research (RIU), University of Cologne, Department of Climate and Space Sciences and Engineering (CLaSP), University of Michigan [Ann Arbor], University of Michigan System-University of Michigan System, Centre National d'Études Spatiales [Toulouse] (CNES), Space Science Institute [Boulder] (SSI), Laboratoire de Physique Atmosphérique et Planétaire (LPAP), Université de Liège, Istituto di Astrofisica e Planetologia Spaziali - INAF (IAPS), Istituto Nazionale di Astrofisica (INAF), Institut für Planetologie [Münster], Westfälische Wilhelms-Universität Münster = University of Münster (WWU), Japan Aerospace Exploration Agency [Sagamihara] (JAXA), University of Arkansas [Fayetteville], PLANETO - LATMOS, Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Joseph Louis LAGRANGE (LAGRANGE), Université Nice Sophia Antipolis (1965 - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur, COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), 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), University of Oxford, European Space Astronomy Centre (ESAC), Agence Spatiale Européenne = European Space Agency (ESA), Max-Planck-Institut für Sonnensystemforschung = Max Planck Institute for Solar System Research (MPS), Max-Planck-Gesellschaft, Moscow Institute of Physics and Technology [Moscow] (MIPT), Space Research Institute of the Russian Academy of Sciences (IKI), Russian Academy of Sciences [Moscow] (RAS), I. Physikalisches Institut [Köln], Universität zu Köln = University of Cologne, European Space Research and Technology Centre (ESTEC), Blackett Laboratory, Imperial College London, 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), Département des Géosciences - ENS Paris, École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-École des Ponts ParisTech (ENPC)-École polytechnique (X)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC), Westfälische Wilhelms-Universität Münster (WWU), Université Côte d'Azur (UCA)-Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Observatoire de la Côte d'Azur, Université Côte d'Azur (UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), University of Oxford [Oxford], European Space Agency (ESA), Max-Planck-Institut für Sonnensystemforschung (MPS), Universität zu Köln, and Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES)

Subjects
010504 meteorology & atmospheric sciences, Meteorology, biology, [SDU.ASTR.SR]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR], [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], Astronomy and Astrophysics, Venus, Atmospheric sciences, biology.organism_classification, 01 natural sciences, Occultation, Latitude, law.invention, Atmosphere, Atmosphere of Venus, Orbiter, Altitude, 13. Climate action, Space and Planetary Science, law, Local time, 0103 physical sciences, 010303 astronomy & astrophysics, Geology, 0105 earth and related environmental sciences
Abstract

著者人数: 33名, Accepted: 2017-04-19, 資料番号: SA1170066000

Published
2017
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6. To the depths of Venus: Exploring the deep atmosphere and surface of our sister world with Venus Express

Author

Baines, Kevin H., Atreya, Sushil, Carlson, Robert W., Crisp, David, Drossart, Pierre, Formisano, Vittorio, Limaye, Sanjay S., Markiewicz, Wojciech J., and Piccioni, Giuseppe

Subjects
*SPECTRUM analysis, *ATMOSPHERE, *INFRARED spectroscopy, *VENUS (Planet)
Abstract

Abstract: With its comprehensive suite of near-infrared instruments, Venus Express will perform the first detailed global exploration of the depths of the thick Venusian atmosphere. Through the near-daily acquisition of Visible and Infrared maps and spectra, three infrared-sensing instruments—the Planetary Fourier Spectrometer (PFS), the Venus Monitoring Camera (VMC), and the Visible and Infrared Thermal Imaging Spectrometer (VIRTIS)—will comprehensively investigate the Thermal structure, meteorology, dynamics, chemistry, and stability of the deep Venus atmosphere. For the surface, these instruments will provide clues to the emissivity of surface materials and provide direct evidence of active volcanism. In so doing, ESA''s Venus Express Mission directly addresses numerous high-priority Venus science objectives advanced by America''s National Research Council (2003) decadal survey of planetary science. [Copyright &y& Elsevier]

Published
2006
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