Search Results - "Congiu, E"

Efficient formation route of the prebiotic molecule formamide on interstellar dust grains by Dulieu, F, Nguyen, T, Congiu, E, Baouche, S, Taquet, V

“…Abstract Interstellar complex organic molecules are thought to be the building blocks of more complex prebiotic compounds. In particular, formamide (or…”
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Mapping Metallicity Variations across Nearby Galaxy Disks by Kreckel, K., Ho, I.-T., Blanc, G. A., Groves, B., Santoro, F., Schinnerer, E., Bigiel, F., Chevance, M., Congiu, E., Emsellem, E., Faesi, C., Glover, S. C. O., Grasha, K., Kruijssen, J. M. D., Lang, P., Leroy, A. K., Meidt, S. E., McElroy, R., Pety, J., Rosolowsky, E., Saito, T., Sandstrom, K., Sanchez-Blazquez, P., Schruba, A.

“…The distribution of metals within a galaxy traces the baryon cycle and the buildup of galactic disks, but the detailed gas phase metallicity distribution…”
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Sulphur storage in cold molecular clouds: the case of the NH4+SH- salt on interstellar dust grains by Vitorino, J, Loison, J -C, Wakelam, V, Congiu, E, Dulieu, F

“…ABSTRACT In comets and in the cold phase of the interstellar medium (ISM), ammonium salts are key molecular species due to their role in the retention of…”
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The PHANGS–MUSE nebular catalogue by Groves, B, Kreckel, K, Santoro, F, Belfiore, F, Zavodnik, E, Congiu, E, Egorov, O V, Emsellem, E, Grasha, K, Leroy, A, Scheuermann, F, Schinnerer, E, Watkins, E J, Barnes, A T, Bigiel, F, Dale, D A, Glover, S C O, Pessa, I, Sanchez-Blazquez, P, Williams, T G

“…ABSTRACT Ionized nebulae provide critical insights into the conditions of the interstellar medium (ISM). Their bright emission lines enable the measurement of…”
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The radio structure of the narrow-line Seyfert 1 Mrk 783 with VLBA and e-MERLIN by Congiu, E, Kharb, P, Tarchi, A, Berton, M, Caccianiga, A, Chen, S, Crepaldi, L, Di Mille, F, Järvelä, E, Jarvis, M E, La Mura, G, Vietri, A

“…ABSTRACT In this paper, we present the analysis of new radio and optical observations of the narrow-line Seyfert 1 galaxy Mrk 783. $1.6\, \mathrm{GHz}$…”
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Is it possible to increase bioavailability but not environmental risk of PAHs in bioremediation? by Ortega-Calvo, J.J., Tejeda-Agredano, M.C., Jimenez-Sanchez, C., Congiu, E., Sungthong, R., Niqui-Arroyo, J.L., Cantos, M.

“…•Bioremediation of PAHs is limited by a poor predictability of end points.•A wide range of innovations have been achieved in recent years addressing this…”
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CO2 FORMATION IN QUIESCENT CLOUDS: AN EXPERIMENTAL STUDY OF THE CO + OH PATHWAY by NOBLE, J. A, DULIEU, F, CONGIU, E, FRASER, H. J

“…The formation of CO2 in quiescent regions of molecular clouds is not yet fully understood, despite CO2 having an abundance of around 10%-34% H2O. We present a…”
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Variation of the sticking of methanol on low-temperature surfaces as a possible obstacle to freeze out in dark clouds by Gadallah, K A K, Sow, A, Congiu, E, Baouche, S, Dulieu, F

“…ABSTRACT Sticking of gas-phase methanol on different cold surfaces – gold, 13CO, and amorphous solid water (ASW) ice – was studied as a function of surface…”
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Laboratory studies of electron and ion irradiation of solid acetonitrile (CH3CN) by Abdulgalil, A. G. M., Marchione, D., Thrower, J. D., Collings, M. P., McCoustra, M. R. S., Islam, F., Palumbo, M. E., Congiu, E., Dulieu, F.

“…The structure and bonding of solid acetonitrile (CH3CN) films on amorphous silica are studied, and chemical and physical processes under irradiation with 200…”
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Quantum tunneling of oxygen atoms on very cold surfaces by Minissale, M, Congiu, E, Baouche, S, Chaabouni, H, Moudens, A, Dulieu, F, Accolla, M, Cazaux, S, Manicó, G, Pirronello, V

“…Any evolving system can change state via thermal mechanisms (hopping a barrier) or via quantum tunneling. Most of the time, efficient classical mechanisms…”
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Experimental Evidence for Water Formation Via Ozone Hydrogenation on Dust Grains at 10 K by Mokrane, H, Chaabouni, H, Accolla, M, Congiu, E, Dulieu, F, Chehrouri, M, Lemaire, J. L

“…The formation of water molecules from the reaction between ozone (O{sub 3}) and D-atoms is studied experimentally for the first time. Ozone is deposited on…”
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Erratum: “Mapping Metallicity Variations across Nearby Galaxy Disks” (2019, ApJ, 887, 80) by Kreckel, K., Ho, I.-T., Blanc, G. A., Groves, B., Santoro, F., Schinnerer, E., Bigiel, F., Chevance, M., Congiu, E., Emsellem, E., Faesi, C., Glover, S. C. O., Grasha, K., Kruijssen, J. M. D., Lang, P., Leroy, A. K., Meidt, S. E., McElroy, R., Pety, J., Rosolowsky, E., Saito, T., Sandstrom, K., Sanchez-Blazquez, P., Schruba, A.

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Laboratory evidence for the non-detection of excited nascent H2 in dark clouds by Congiu, E., Matar, E., Kristensen, L. E., Dulieu, F., Lemaire, J. L.

“…There has always been a great deal of interest in the formation of H2 as well as in the binding energy released upon its formation on the surface of dust…”
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Morphology of the solid water synthesized through the pathway D + O2 studied by the sensitive TPD technique by Accolla, M., Congiu, E., Manicò, G., Dulieu, F., Chaabouni, H., Lemaire, J. L., Pirronello, V.

“…We report on an experimental study on the formation of water, through the D + O2 pathway, on a sample of amorphous solid water, i.e. a realistic analogue of…”
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Detection of the elusive dangling OH ice features at ~2.7 μm in Chamaeleon I with JWST NIRCam by Noble, J. A., Fraser, H. J., Smith, Z. L., Dartois, E., Boogert, A. C. A., Cuppen, H. M., Dickinson, H. J., Dulieu, F., Egami, E., Erkal, J., Giuliano, B. M., Husquinet, B., Lamberts, T., Maté, B., McClure, M. K., Palumbo, M. E., Shimonishi, T., Sun, F., Bergner, J. B., Brown, W. A., Caselli, P., Congiu, E., Drozdovskaya, M. N., Herrero, V. J., Ioppolo, S., Jimenez-Serra, I., Linnartz, H., Melnick, G. J., McGuire, B. A., Oberg, K. I., Perotti, G., Qasim, D., Rocha, W. R. M., Urso, R. G.

“…Ascertaining the morphology and composition of the icy mantles covering dust grains in dense, cold regions of the interstellar medium is essential to…”
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Molecular Hydrogen Formation on Amorphous Silicates under Interstellar Conditions by Perets, H. B, Lederhendler, A, Biham, O, Vidali, G, Li, L, Swords, S, Congiu, E, Roser, J, Manicó, G, Brucato, J. R, Pirronello, V

“…Experimental results on the formation of molecular hydrogen on amorphous silicate surfaces are presented for the first time and analyzed using a rate equation…”
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Thermal desorption characteristics of CO, O2 and CO2 on non-porous water, crystalline water and silicate surfaces at submonolayer and multilayer coverages by Noble, J. A., Congiu, E., Dulieu, F., Fraser, H. J.

“…The desorption characteristics of molecules on interstellar dust grains are important for modelling the behaviour of molecules in icy mantles and, critically,…”
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Analysis of Molecular Hydrogen Formation on Low-Temperature Surfaces in Temperature Programmed Desorption Experiments by Vidali, G, Pirronello, V, Li, L, Roser, J, Manicó, G, Congiu, E, Mehl, H, Lederhendler, A, Perets, H. B, Brucato, J. R, Biham, O

“…The study of the formation of molecular hydrogen on low-temperature surfaces is of interest both because it enables the exploration of elementary steps in the…”
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Anomalous dust-to-gas ratios in the Galaxy by Barbaro, G., Geminale, A., Mazzei, P., Congiu, E.

“…Abstract Lines of sight with E(B−V)/N(H i) considerably smaller than the average value for the solar neighbourhood have been selected from the catalogue of…”
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EXPERIMENTAL INVESTIGATION OF THE ORTHO/PARA RATIO OF NEWLY FORMED MOLECULAR HYDROGEN ON AMORPHOUS SOLID WATER by GAVILAN, L, VIDALI, G, LEMAIRE, J. L, CHEHROURI, M, DULIEU, F, FILLION, J.-H, CONGIU, E, CHAABOUNI, H

“…Several astronomical observations have shown that the ortho/para ratio (OPR) of H sub(2) can differ from the expected statistical value of 3 or the local…”
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