Search Results - "HADAMCIK, E"

Low-albedo asteroids: analogues with a high polarization at large phase angles by Hadamcik, E, Renard, J-B, Lasue, J, Levasseur-Regourd, A C, Ishiguro, M

“…ABSTRACT While remote observations of the linear polarization of five low-albedo near-Earth asteroids are available at large phase angles, space missions have…”
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Photometry and colour index of Comet 67P/Churyumov-Gerasimenko on 2015 December 12 by Sen, A K, Hadamcik, E, Botet, R, Lasue, J, Roy Choudhury, S, Gupta, R

“…Comet 67P/Churyumov-Gerasimenko (hereafter, 67P) was observed on 12 December 2015, from 2 m Himalayan Chandra Telescope in India in photometry to study its…”
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Imaging polarimetry of comet 73P/Schwassmann–Wachmann 3 main fragments during its 2006 apparition by Hadamcik, E., Levasseur-Regourd, A.C.

“…We have observed the dust ejected by parts of the nucleus (so-called fragments or components) of comet 73P/Schwassmann–Wachmann 3 during seven consecutive…”
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Cometary dust properties retrieved from polarization observations: Application to C/1995 O1 Hale–Bopp and 1P/Halley by Lasue, J., Levasseur-Regourd, A.C., Hadamcik, E., Alcouffe, G.

“…The analysis of the polarized light scattered by cometary dust particles provides information on the physical properties of the solid component of cometary…”
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Influence of CO on Titan atmospheric reactivity by Fleury, B., Carrasco, N., Gautier, T., Mahjoub, A., He, J., Szopa, C., Hadamcik, E., Buch, A., Cernogora, G.

“…•We simulate the reactivity of Titan’s atmosphere in presence of CO.•GC–MS analysis of gas phase composition shows a formation of oxygenated molecules.•CO…”
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Chemical Characterization of Titan’s Tholins: Solubility, Morphology and Molecular Structure Revisited by Carrasco, N, Schmitz-Afonso, I, Bonnet, J-Y, Quirico, E, Thissen, R, Dutuit, Odile, Bagag, A, Laprévote, O, Buch, A, Giulani, A, Adandé, Gilles, Ouni, F, Hadamcik, E, Szopa, C, Cernogora, G

“…In this work Titan’s atmospheric chemistry is simulated using a capacitively coupled plasma radio frequency discharge in a N2−CH4 stationnary flux. Samples of…”
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Optical constants from 370nm to 900nm of Titan tholins produced in a low pressure RF plasma discharge by Sciamma-O’Brien, E., Dahoo, P.-R., Hadamcik, E., Carrasco, N., Quirico, E., Szopa, C., Cernogora, G.

“…► Atmospheric aerosols are important in the radiative transfer balance of Titan. ► Here we produce analogues with a RF plasma simulating the upper atmospheric…”
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Optical constants from 370 nm to 900 nm of Titan tholins produced in a low pressure RF plasma discharge by SCIAMMA-O'BRIEN, E, DAHOO, P.-R, HADAMCIK, E, CARRASCO, N, QUIRICO, E, SZOPA, C, CERNOGORA, G

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Optical properties of dust from Jupiter family comets by Hadamcik, E., Levasseur-Regourd, A.C.

“…To try to define specific physical properties of the dust of Jupiter-family comets (JFCs), we compare the light scattered by them. Amongst the more than 1000…”
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Study of some comets through imaging polarimetry by Roy Choudhury, S., Hadamcik, E., Sen, A.K.

“…Comets C/2007 N3 (Lulin), C/2011 L4 (PANSTARRS) and 290P/Jager were observed at phase angles <40○; between 2009 and 2014; with the 0.8m Telescope at…”
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A study of comet 78P/Gehrels by imaging polarimetry by Roy Choudhury, S., Hadamcik, E., Sen, A.K.

“…Comet 78P/Gehrels was observed polarimetrically from the 2m telescope at IUCAA Girawali Observatory (IGO) in India and from the 0.8m telescope at…”
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Imaging polarimetry of cometary dust: different comets and phase angles by Hadamcik, E., Levasseur-Regourd, A.C.

“…Polarimetric observations of the light scattered by dust in cometary comae have been carried out at Pic-du-Midi Observatory and at Haute-Provence Observatory…”
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Wavelength dependence of linear polarization in the visible and near infrared domain for large levitating grains (PROGRA2 instruments) by Renard, J.-B., Hadamcik, E., Couté, B., Jeannot, M., Levasseur-Regourd, A.C.

“…Remote sensing measurements of light scattered by dust in solar system objects can provide clues on their physical properties. Databases obtained in the…”
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Dust in Comet 103P/Hartley 2 coma during EPOXI mission by Hadamcik, E., Sen, A.K., Levasseur-Regourd, A.C., Gupta, R., Lasue, J., Botet, R.

“…The Deep Impact spacecraft flew by Comet 103P/Hartley 2 on 4 November 2010 (EPOXI mission). In situ observations are complemented by a systematic ground- and…”
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Polarimetric observations and laboratory simulations of asteroidal surfaces: The case of 21 Lutetia by Hadamcik, E., Levasseur-Regourd, A.C., Renard, J.-B., Lasue, J., Sen, A.K.

“…The Rosetta spacecraft flew by 21 Lutetia on July 2010. This event provides a unique opportunity to enhance our knowledge of solar system small bodies, by…”
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Dust coma of comet C/2009 P1 (Garradd) by imaging polarimetry by Hadamcik, E., Sen, A. K., Levasseur-Regourd, A. C., Roy Choudhury, S., Lasue, J., Gupta, R., Botet, R.

“…Comet C/2009 P1 (Garradd) was observed by imaging polarimetry for nearly 5 months from October 2011 to March 2012, over an intermediate phase angle range…”
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Optical properties of analogs of Titan’s aerosols produced by dusty plasma by Hadamcik, E., Renard, J.-B., Mahjoub, A., Gautier, T., Carrasco, N., Cernogora, G., Szopa, C.

“…Analogs of Titan’s aerosols are produced in the laboratory as grains in a gas mixture, or as layers on a substrate. This production procedure enables the…”
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Appearance of layered structures in numerical simulations of polydisperse bodies accretion: Application to cometary nuclei by Lasue, J., Botet, R., Levasseur-Regourd, A.C., Hadamcik, E., Kofman, W.

“…► A model of primordial cometary nuclei aggregation is presented for polydisperse cometesimals. ► Different regimes of aggregation exist depending on the value…”
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Imaging polarimetry of the dust coma of Comet Tempel 1 before and after Deep Impact at Haute-Provence Observatory by Hadamcik, E., Levasseur-Regourd, A.C., Leroi, V., Bardin, D.

“…We have observed the coma of Comet 9P/Tempel 1, the target of the Deep Impact mission, by the polarization imaging technique, before and after the impact event…”
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Laboratory light-scattering measurements with Titan's aerosols analogues produced by a dusty plasma by Hadamcik, E., Renard, J.-B., Alcouffe, G., Cernogora, G., Levasseur-Regourd, A.C., Szopa, C.

“…The chemistry leading to the formation of solid aerosols (tholins) in Titan's atmosphere is simulated by a capacitively coupled plasma in a N 2–CH 4 gas…”
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