Zobrazeno 1 - 10
of 7 163
pro vyhledávání: '"Desai, M."'
Autor:
Schwadron, N. A., Bale, Stuart D., Bonnell, J., Case, A., Shen, M., Christian, E. R., Cohen, C. M. S., Davis, A. J., Desai, M. I., Goetz, K., Giacalone, J., Hill, M. E., Kasper, J. C., Korreck, K., Larson, D., Livi, R., Lim, T., Leske, R. A., Malandraki, O., Malaspina, D., Matthaeus, W. H., McComas, D. J., McNutt Jr., R. L., Mewaldt, R. A., Mitchell, D. G., Niehof, J. T., Pulupa, M., Pecora, Francesco, Rankin, J. S., Smith, C., Stone, E. C., Szalay, J. R., Vourlidas, A., Wiedenbeck, M. E., Whittlesey, P.
Publikováno v:
Astrophysical Journal, 2024
We present an event observed by Parker Solar Probe at $\sim$0.2 au on March 2, 2022 in which imaging and \emph{in situ} measurements coincide. During this event, PSP passed through structures on the flank of a streamer blowout CME including an isolat
Externí odkaz:
http://arxiv.org/abs/2405.16590
Autor:
Gopalswamy, N., Christe, S., Fung, S. F., Gong, Q., Gruesbeck, J. R., Jian, L. K., Kanekal, S. G., Kay, C., Kucera, T. A., Leake, J. E., Li, L., Makela, P., Nikulla, P., Reginald, N. L., Shih, A., Tadikonda, S. K., Viall, N., Wilson III, L. B., Yashiro, S., Golub, L., DeLuca, E., Reeves, K., Sterling, A. C., Winebarger, A. R., DeForest, C., Hassler, D. M., Seaton, D. B., Desai, M. I., Mokashi, P. S., Lazio, J., Jensen, E. A., Manchester, W. B., Sachdeva, N., Wood, B., Kooi, J., Hess, P., Wexler, D. B., Bale, S. D., Krucker, S., Hurlburt, N., DeRosa, M., Gosain, S., Jain, K., Kholikov, S., Petrie, G. J. D., Pevtsov, A., Tripathy, S. C., Zhao, J., Scherrer, P. H., Rajaguru, S. P., Woods, T., Kenney, M., Zhang, J., Scolini, C., Cho, K. S., Park, Y. D., Jackson, B. V.
We report on a study of the Multiview Observatory for Solar Terrestrial Science (MOST) mission that will provide comprehensive imagery and time series data needed to understand the magnetic connection between the solar interior and the solar atmosphe
Externí odkaz:
http://arxiv.org/abs/2303.02895
Autor:
Bučík, R., Mason, G. M., Gómez-Herrero, R., Krupar, V., Lario, D., Starkey, M. J., Ho, G. C., Rodríguez-Pacheco, J., Wimmer-Schweingruber, R. F., Lara, F. Espinosa, Tadesse, T., Balmaceda, L., Cohen, C. M. S., Dayeh, M. A., Desai, M. I., Kühl, P., Nitta, N. V., Wiedenbeck, M. E., Xu, Z. G.
Publikováno v:
A&A 669, A13 (2023)
The origin of 3He abundance enhancements in coronal mass ejection (CME)-driven shock gradual solar energetic particle (SEP) events remains largely unexplained. Two mechanisms have been suggested - the re-acceleration of remnant flare material in inte
Externí odkaz:
http://arxiv.org/abs/2210.16403
Autor:
Bale, S. D., Drake, J. F., McManus, M. D., Desai, M. I., Badman, S. T., Larson, D. E., Swisdak, M., Horbury, T. S., Raouafi, N. E., Phan, T., Velli, M., McComas, D. J., Cohen, C. M. S., Mitchell, D., Panasenco, O., Kasper, J. C.
The fast solar wind that fills the heliosphere originates from deep within regions of open magnetic field on the Sun called coronal holes. The energy source responsible for accelerating the plasma to high speeds is widely debated, however there is ev
Externí odkaz:
http://arxiv.org/abs/2208.07932
Autor:
Getachew, T., McComas, D. J., Joyce, C. J., Palmerio, E., Christian, E. R., Cohen, C. M. S., Desai, M. I., Giacalone, J., Hill, M. E., Matthaeus, W. H., McNutt, R. L., Mitchell, D. G., Mitchell, J. G., Rankin, J. S., Roelof, E. C., Schwadron, N. A., Szalay, J. R., Zank, G. P., Zhao, L. -L., Lynch, B. J., Phan, T. D., Bale, S. D., Whittlesey, P. L., Kasper, J. C.
In this paper we examine a low-energy SEP event observed by IS$\odot$IS's Energetic Particle Instrument-Low (EPI-Lo) inside 0.18 AU on September 30, 2020. This small SEP event has a very interesting time profile and ion composition. Our results show
Externí odkaz:
http://arxiv.org/abs/2112.04671
Autor:
Desai, M. I., Mitchell, D. G., McComas, D. J., Drake, J. F., Phan, T., Szalay, J. R., Roelof, E. C., Giacalone, J., Hill, M. E., Christian, E. R., Schwadron, N. A., McNutt Jr., R. L., Wiedenbeck, M. E., Joyce, C., Cohen, C. M. S., Davis, A. J., Krimigis, S. M., Leske, R. A., Matthaeus, W. H., Malandraki, O., Mewaldt, R. A., Labrador, A., Stone, E. C., Bale, S. D., Verniero, J., Rahmati, A., Whittlesey, P., Livi, R., Larson, D., Pulupa, M., MacDowall, R. J., Niehof, J. T., Kasper, J. C., Horbury, T. S.
We present observations of >10-100 keV/nucleon suprathermal (ST) H, He, O, and Fe ions associated with crossings of the heliospheric current sheet (HCS) at radial distances <0.1 au from the Sun. Our key findings are: 1) very few heavy ions are detect
Externí odkaz:
http://arxiv.org/abs/2111.00954
Autor:
Bale, S. D., Horbury, T. S., Velli, M., Desai, M. I., Halekas, J. S., McManus, M. D., Panasenco, O., Badman, S. T., Bowen, T. A., Chandran, B. D. G., Drake, J. F., Kasper, J. C., Laker, R., Mallet, A., Matteini, L, Phan, T. D., Raouafi, N. E., Squire, J., Woodham, L. D., Wooley, T.
One of the striking observations from the Parker Solar Probe (PSP) spacecraft is the prevalence in the inner heliosphere of large amplitude, Alfv\'enic magnetic field reversals termed 'switchbacks'. These $\delta B_R/B \sim \mathcal{O}(1$) fluctuatio
Externí odkaz:
http://arxiv.org/abs/2109.01069
3He-rich solar energetic particles (SEPs) are believed to be accelerated in solar flares or jets by a mechanism that depends on the ion charge-to-mass (Q/M) ratio. It implies that the flare plasma characteristics (e.g., temperature) may be effective
Externí odkaz:
http://arxiv.org/abs/2012.15390
Autor:
Madanian, H., Desai, M. I., Schwartz, S. J., Wilson III, L. B., Fuselier, S. A., Burch, J. L., Contel, O. Le, Turner, D. L., Ogasawara, K., Brosius, A. L., Russell, C. T., Ergun, R. E., Ahmadi, N., Gershman, D. J., Lindqvist, P. -A.
Shock parameters at Earth's bow shock in rare instances can approach the Mach numbers predicted at supernova remnants. We present our analysis of a high Alfv\'en Mach number ($M_A= 27$) shock utilizing multipoint measurements from the Magnetospheric
Externí odkaz:
http://arxiv.org/abs/2011.12346
Autor:
Chhiber, R., Matthaeus, W. H., Cohen, C. M. S., Ruffolo, D., Sonsrettee, W., Tooprakai, P., Seripienlert, A., Chuychai, P., Usmanov, A. V., Goldstein, M. L., McComas, D. J., Leske, R. A., Christian, E. R., Mewaldt, R. A., Labrador, A. W., Szalay, J. R., Joyce, C. J., Giacalone, J., Schwadron, N. A., Mitchell, D. G., Hill, M. E., Wiedenbeck, M. E., McNutt Jr., R. L., Desai, M. I.
Publikováno v:
A&A 650, A26 (2021)
Context:In 2020 May-June, six solar energetic ion events were observed by the Parker Solar Probe/ISoIS instrument suite at 0.35 AU from the Sun. From standard velocity-dispersion analysis, the apparent ion path length is 0.625 AU at the onset of each
Externí odkaz:
http://arxiv.org/abs/2011.08329