Search Results - "Ciaravella, A"

Synthesis of Complex Organic Molecules in Soft X-Ray Irradiated Ices by Ciaravella, A., Jiménez-Escobar, A., Cecchi-Pestellini, C., Huang, C. H., Sie, N. E., Caro, G. M. Muñoz, Chen, Y. J.

“…We study the chemical evolution of H2O:CO:NH3 ice mixtures irradiated with soft X-rays, in the range of 250-1250 eV. We identify many nitrogen-bearing…”
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The Current Sheet Associated with the 2003 November 4 Coronal Mass Ejection: Density, Temperature, Thickness, and Line Width by Ciaravella, A, Raymond, J. C

“…In the wake of the 2003 November 4 coronal mass ejection associated with the largest solar flare of the last sunspot cycle, a current sheet (CS) was observed…”
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A stellar flare−coronal mass ejection event revealed by X-ray plasma motions by Argiroffi, C., Reale, F., Drake, J. J., Ciaravella, A., Testa, P., Bonito, R., Miceli, M., Orlando, S., Peres, G.

“…Coronal mass ejections (CMEs), often associated with flares 1 – 3 , are the most powerful magnetic phenomena occurring on the Sun. Stars show magnetic activity…”
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Chemical and physical processes caused by electrons impacting on H2O–CO mixed ices by Huang, C-H, Cecchi-Pestellini, C, Ciaravella, A, Jiménez-Escobar, A, Hsiao, L-C, Sie, N-E, Chen, Y-J

“…ABSTRACT Electron-induced chemistry is relevant to many processes that occur when an ionizing source interacts with matter, as in the formation of complex…”
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A systematic study of CO2 planetary atmospheres and their link to the stellar environment by Petralia, A, Alei, E, Aresu, G, Locci, D, Cecchi-Pestellini, C, Micela, G, Claudi, R, Ciaravella, A

“…ABSTRACT The Milky Way Galaxy is literally teeming with exoplanets; thousands of planets have been discovered, with thousands more planet candidates…”
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SOFT X-RAY IRRADIATION OF METHANOL ICE: FORMATION OF PRODUCTS AS A FUNCTION OF PHOTON ENERGY by Chen, Y-J, CIARAVELLA, A, CARO, G M MUNOZ, CECCHI-PESTELLINI, C, Jimenez-Escobar, A, Juang, K-J, Yih, T-S

“…Pure methanol ices have been irradiated with monochromatic soft X-rays of 300 and 550eV close to the 1s resonance edges of C and O, respectively, and with a…”
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X-Ray Photo-desorption of H2O:CO:NH3 Circumstellar Ice Analogs: Gas-phase Enrichment by Jiménez-Escobar, A., Ciaravella, A., Cecchi-Pestellini, C., Huang, C.-H., Sie, N.-E., Chen, Y.-J., Muñoz Caro, G. M.

“…We study the photo-desorption occurring in H2O:CO:NH3 ice mixtures irradiated with monochromatic (550 and 900 eV) and broadband (250-1250 eV) soft X-rays…”
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SOFT X-RAY IRRADIATION OF SILICATES: IMPLICATIONS FOR DUST EVOLUTION IN PROTOPLANETARY DISKS by Ciaravella, A., Cecchi-Pestellini, C., Chen, Y.-J., Muñoz Caro, G. M., Huang, C.-H., Jiménez-Escobar, A., Venezia, A. M.

“…ABSTRACT The processing of energetic photons on bare silicate grains was simulated experimentally on silicate films submitted to soft X-rays of energies up to…”
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BRIGHT RAY-LIKE FEATURES IN THE AFTERMATH OF CORONAL MASS EJECTIONS: WHITE LIGHT VERSUS ULTRAVIOLET SPECTRA by CIARAVELLA, A, Webb, D F, Giordano, S, Raymond, J C

“…Current sheets (CSs) are important signatures of magnetic reconnection in the eruption of confined solar magnetic structures. Models of coronal mass ejections…”
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Chemical Evolution of Interstellar Methanol Ice Analogs upon Ultraviolet Irradiation: The Role of the Substrate by Ciaravella, A., Jiménez-Escobar, A., Cosentino, G., Cecchi-Pestellini, C., Peres, G., Candia, R., Collura, A., Barbera, M., Cicca, G. Di, Varisco, S., Venezia, A. M.

“…An important issue in the chemistry of interstellar ices is the role of dust materials. In this work, we study the effect of an amorphous water-rich magnesium…”
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Effects of 150-1000 eV Electron Impacts on Pure Carbon Monoxide Ices Using the Interstellar Energetic-Process System (IEPS) by Huang, C.-H., Ciaravella, A., Cecchi-Pestellini, C., Jiménez-Escobar, A., Hsiao, L.-C., Huang, C.-C., Chen, P.-C., Sie, N.-E., Chen, Y.-J.

“…Pure CO ice has been irradiated with electrons of energy in the range 150−1000 eV with the Interstellar Energetic-Process System. The main products of…”
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UVCS/SOHO catalog of coronal mass ejections from 1996 to 2005: Spectroscopic proprieties by Giordano, S., Ciaravella, A., Raymond, J.C., Ko, Y.-K., Suleiman, R.

“…Ultraviolet spectra of the extended solar corona have been routinely obtained by SOHO/UltraViolet Coronagraph Spectrometer (UVCS) since 1996. Sudden variations…”
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CHEMICAL EVOLUTION OF A CO ICE INDUCED BY SOFT X-RAYS by Ciaravella, A., Chen, Y.-J., Cecchi-Pestellini, C., Jiménez-Escobar, A., Muñoz Caro, G. M., Chuang, K.-J., Huang, C.-H.

“…ABSTRACT We irradiated a pure carbon monoxide ice with soft X-rays of energies up to 1.2 keV. The experiments were performed using the spherical grating…”
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Correction to: Optical tweezers in a dusty universe by Polimeno, P., Magazzù, A., Iatì, M. A., Saija, R., Folco, L., Ciriza, D. Bronte, Donato, M. G., Foti, A., Gucciardi, P. G., Saidi, A., Cecchi-Pestellini, C., Escobar, A. Jimenez, Ammannito, E., Sindoni, G., Bertini, I., Corte, V. Della, Inno, L., Ciaravella, A., Rotundi, A., Maragò, O. M.

“…The project number was missing from the acknowledgement. The correct acknowledgment is as follows…”
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Ultraviolet Properties of Halo Coronal Mass Ejections: Doppler Shifts, Angles, Shocks, and Bulk Morphology by Ciaravella, A, Raymond, J. C, Kahler, S. W

“…We present UV spectral information for 22 halo or partial halo CMEs observed by UVCS. The CME fronts show broad line profiles, while the line intensities are…”
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Elemental Abundances and Post-Coronal Mass Ejection Current Sheet in a Very Hot Active Region by Ciaravella, A, Raymond, J. C, Li, J, Reiser, P, Gardner, L. D, Ko, Y.-K, Fineschi, S

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Transition Region Emission from Solar Flares during the Impulsive Phase by Johnson, H, Raymond, J. C, Murphy, N. A, Giordano, S, Ko, Y.-K, Ciaravella, A, Suleiman, R

“…There are relatively few observations of UV emission during the impulsive phases of solar flares, so the nature of that emission is poorly known. Photons…”
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Densities and Velocities in Fast Coronal Mass Ejections: Radiative Pumping of the O VI Doublet by Raymond, J. C, Ciaravella, A

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Far-Ultraviolet Spectra of Fast Coronal Mass Ejections Associated with X-Class Flares by Raymond, J. C, Ciaravella, A, Dobrzycka, D, Strachan, L, Ko, Y.-K, Uzzo, M, Raouafi, Nour-Eddine

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Physical Parameters of the 2000 February 11 Coronal Mass Ejection: Ultraviolet Spectra versus White-Light Images by Ciaravella, A, Raymond, J. C, van Ballegooijen, A, Strachan, L, Vourlidas, A, Li, J, Chen, J, Panasyuk, A

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