Zobrazeno 1 - 10
of 857
pro vyhledávání: '"Lamy, L"'
Autor:
Louis, C. K., Louarn, P., Collet, B., Clément, N., Saati, S. Al, Szalay, J. R., Hue, V., Lamy, L., Kotsiaros, S., Kurth, W. S., Jackman, C. M., Wang, Y., Blanc, M., Allegrini, F., Connerney, J. E. P., Gershman, D.
At Jupiter, part of the auroral radio emissions are induced by the Galilean moons Io, Europa and Ganymede. Until now, except for Ganymede, they have been only remotely detected, using ground-based radio-telescopes or electric antennas aboard spacecra
Externí odkaz:
http://arxiv.org/abs/2308.05541
Autor:
Callingham, J. R., Shimwell, T. W., Vedantham, H. K., Bassa, C. G., O'Sullivan, S. P., Yiu, T. W. H., Bloot, S., Best, P. N., Hardcastle, M. J., Haverkorn, M., Kavanagh, R. D., Lamy, L., Pope, B. J. S., Röttgering, H. J. A., Schwarz, D. J., Tasse, C., van Weeren, R. J., White, G. J., Zarka, P., Bomans, D. J., Bonafede, A., Bonato, M., Botteon, A., Bruggen, M., Chyży, K. T., Drabent, A., Emig, K. L., Gloudemans, A. J., Gürkan, G., Hajduk, M., Hoang, D. N., Hoeft, M., Iacobelli, M., Kadler, M., Kunert-Bajraszewska, M., Mingo, B., Morabito, L. K., Nair, D. G., Pérez-Torres, M., Ray, T. P., Riseley, C. J., Rowlinson, A., Shulevski, A., Sweijen, F., Timmerman, R., Vaccari, M., Zheng, J.
Publikováno v:
A&A 670, A124 (2023)
We present the detection of 68 sources from the most sensitive radio survey in circular polarisation conducted to date. We use the second data release of the 144 MHz LOFAR Two-metre Sky Survey to produce circularly-polarised maps with median 140 $\mu
Externí odkaz:
http://arxiv.org/abs/2212.09815
Autor:
Lamy, L., Colomban, L., Zarka, P., Prangé, R., Marques, M. S., Louis, C., Kurth, W., Cecconi, B., Girard, J., Griessmeier, J. -M., Yerin, S.
We investigate the beaming of 11 Io-Jupiter decametric (Io-DAM) emissions observed by Juno/Waves, the Nan\c cay Decameter Array and NenuFAR. Using an up-to-date magnetic field model and three methods to position the active Io Flux Tube (IFT), we accu
Externí odkaz:
http://arxiv.org/abs/2203.10797
Autor:
Callingham, J. R., Pope, B. J. S., Feinstein, A. D., Vedantham, H. K., Shimwell, T. W., Zarka, P., Tasse, C., Lamy, L., Veken, K., Toet, S., Sabater, J., Best, P. N., van Weeren, R. J., Röttgering, H. J. A., Ray, T. P.
Publikováno v:
A&A 648, A13 (2021)
Recently detected coherent low-frequency radio emission from M dwarf systems shares phenomenological similarities with emission produced by magnetospheric processes from the gas giant planets of our Solar System. Such beamed electron-cyclotron maser
Externí odkaz:
http://arxiv.org/abs/2102.04751
Autor:
Vedantham, H. K., Callingham, J. R., Shimwell, T. W., Dupuy, T., Best, William M. J., Liu, Michael C., Zhang, Zhoujian, De, K., Lamy, L., Zarka, P., Rottgering, H. J. A., Shulevski, A.
Magnetospheric processes seen in gas-giants such as aurorae and circularly-polarized cyclotron maser radio emission have been detected from some brown dwarfs. However, previous radio observations targeted known brown dwarfs discovered via their infra
Externí odkaz:
http://arxiv.org/abs/2010.01915
Publikováno v:
A&A 627, A30 (2019)
All magnetized planets are known to produce intense non thermal radio emissions through a mechanism known as Cyclotron Maser Instability (CMI), requiring the presence of accelerated electrons generally arising from magnetospheric current systems. In
Externí odkaz:
http://arxiv.org/abs/1901.11523
Akademický článek
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Autor:
Lamy, L., Berland, C., Andre, N., Prange, R., Fouchet, T., Encrenaz, T., Gendron, E., Haubois, X., Tao, C., Kim, T.
Publikováno v:
SF2A-2018 : Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, held 3-6 July, 2018 in Bordeaux. Eds.: P. Di Matteo, F. Billebaud, F. Herpin, N. Lagarde, J.-B. Marquette, A. Robin and O. Venot
On 6 Sept. 2017, an exceptional coronal mass ejection departed from the Sun toward the Earth and Uranus, whose magnetospheres are sensitive to the solar wind. The resulting interplanetary shock triggered geomagnetic storm and intense aurora at Earth
Externí odkaz:
http://arxiv.org/abs/1810.08526
Autor:
Lamy, L., Prangé, R., Tao, C., Kim, T., Badman, S. V., Zarka, P., Cecconi, B., Kurth, W. S., Pryor, W., Bunce, E., Radioti, A.
Throughout 2017, the Hubble Space Telescope (HST) observed the northern far-ultraviolet aurorae of Saturn at northern solstice, during the Cassini Grand Finale. These conditions provided a complete viewing of the northern auroral region from Earth an
Externí odkaz:
http://arxiv.org/abs/1808.08168
Publikováno v:
A&A 618, A84 (2018)
By analysing a database of 26 years of observations of Jupiter with the Nancay Decameter Array, we unambiguously identify the radio emissions caused by the Ganymede-Jupiter interaction. We study the energetics of these emissions via the distributions
Externí odkaz:
http://arxiv.org/abs/1808.08055