Zobrazeno 1 - 10
of 10 384
pro vyhledávání: '"A Fleishman"'
Autor:
Alissandrakis, Costas E., Fleishman, Gregory D., Fedenev, Viktor V., White, Stephen M., Altyntsev, Alexander T.
We report for the first time the detection of thermal free-free emission from post-flare loops at 34GHz in images from the Nobeyama Radioheliograph (NoRH). We studied 8 loops, 7 of which were from regions with extremely strong coronal magnetic field
Externí odkaz:
http://arxiv.org/abs/2406.14638
Autor:
White, Stephen M., Shimojo, Masumi, Iwai, Kazumasa, Bastian, Timothy S., Fleishman, Gregory D., Gary, Dale E., Magdalenic, Jasmina, Vourlidas, Angelos
Publikováno v:
Astrophysical Journal, 2024
This paper investigates the incidence of coherent emission in solar radio bursts, using a revised catalog of 3800 solar radio bursts observed by the Nobeyama Radio Polarimeters from 1988 to 2023. We focus on the 1.0 and 2.0 GHz data, where radio flux
Externí odkaz:
http://arxiv.org/abs/2405.01755
Autor:
Williams, Ben, van Merriënboer, Bart, Dumoulin, Vincent, Hamer, Jenny, Triantafillou, Eleni, Fleishman, Abram B., McKown, Matthew, Munger, Jill E., Rice, Aaron N., Lillis, Ashlee, White, Clemency E., Hobbs, Catherine A. D., Razak, Tries B., Jones, Kate E., Denton, Tom
Machine learning has the potential to revolutionize passive acoustic monitoring (PAM) for ecological assessments. However, high annotation and compute costs limit the field's efficacy. Generalizable pretrained networks can overcome these costs, but h
Externí odkaz:
http://arxiv.org/abs/2404.16436
Autor:
Kurt, Victoria G., Veronig, Astrid M., Fleishman, Gregory D., Hinterreiter, Jürgen, Tschernitz, Johannes, Lysenko, Alexandra L.
Publikováno v:
A&A 686, A195 (2024)
The 2003 October 28 (X17.2) eruptive flare was a unique event. The coronal electric field and the {\pi}-decay {\gamma}-ray emission flux had the highest values ever inferred in solar flares. This study reveals physical links between the magnetic reco
Externí odkaz:
http://arxiv.org/abs/2403.08135
Autor:
Wedemeyer, Sven, Barta, Miroslav, Brajsa, Roman, Chai, Yi, Costa, Joaquim, Gary, Dale, de Castro, Guillermo Gimenez, Gunar, Stanislav, Fleishman, Gregory, Hales, Antonio, Hudson, Hugh, Kirkaune, Mats, Mohan, Atul, Motorina, Galina, Pellizzoni, Alberto, Saberi, Maryam, Selhorst, Caius L., Simoes, Paulo J. A., Shimojo, Masumi, Skokic, Ivica, Sudar, Davor, Menezes, Fabian, White, Stephen, Booth, Mark, Klaassen, Pamela, Cicone, Claudia, Mroczkowski, Tony, Cordiner, Martin A., Di Mascolo, Luca, Johnstone, Doug, van Kampen, Eelco, Lee, Minju, Liu, Daizhong, Maccarone, Thomas, Orlowski-Scherer, John, Saintonge, Amelie, Smith, Matthew, Thelen, Alexander E.
Observations at (sub-)millimeter wavelengths offer a complementary perspective on our Sun and other stars, offering significant insights into both the thermal and magnetic composition of their chromospheres. Despite the fundamental progress in (sub-)
Externí odkaz:
http://arxiv.org/abs/2403.00920
Autor:
Musset, S., Jol, P., Sankar, R., Alnahari, S., Kapsiak, C., Ostlund, E., Lasko, K., Glesener, L., Fortson, L., Fleishman, G. D., Panesar, N. K., Zhang, Y., Jeunon, M., Hurlburt, N.
Publikováno v:
A&A 688, A127 (2024)
Context. Solar coronal jets seen in EUV are ubiquitous on the Sun, have been found in and at the edges of active regions, at the boundaries of coronal holes, and in the quiet Sun. Jets have various shapes, sizes, brightness, velocities and duration i
Externí odkaz:
http://arxiv.org/abs/2309.14871
Autor:
Lysenko, Alexandra L., White, Stephen M., Zhdanov, Dmitry A., Meshalkina, Nataliia S., Altyntsev, Aleksander T., Motorina, Galina G., Fleishman, Gregory D.
Publikováno v:
The Astrophysical Journal, 2023, Volume 954, Issue 2, id.122, 12 pp
We identify a set of ~100 "cold" solar flares and perform a statistical analysis of them in the microwave range. Cold flares are characterized by a weak thermal response relative to nonthermal emission. This work is a follow up of a previous statisti
Externí odkaz:
http://arxiv.org/abs/2309.03993
Autor:
Saikat Dewanjee, Hiranmoy Bhattacharya, Chiranjib Bhattacharyya, Pratik Chakraborty, Joshua Fleishman, Athanasios Alexiou, Marios Papadakis, Saurabh Kumar Jha
Publikováno v:
Cell Communication and Signaling, Vol 22, Iss 1, Pp 1-31 (2024)
Abstract Brain cancer is regarded as one of the most life-threatening forms of cancer worldwide. Oxidative stress acts to derange normal brain homeostasis, thus is involved in carcinogenesis in brain. The Nrf2/Keap1/ARE pathway is an important signal
Externí odkaz:
https://doaj.org/article/e5da10cebf6544a29b41758fc50aef70
Solar flares are driven by release of the free magnetic energy and its conversion to other forms of energy -- kinetic, thermal, and nonthermal. Quantification of partitions between these energy components and their evolution is needed to understand t
Externí odkaz:
http://arxiv.org/abs/2308.00149
Autor:
Li, Pu, Roch, Marie, Klinck, Holger, Fleishman, Erica, Gillespie, Douglas, Nosal, Eva-Marie, Shiu, Yu, Liu, Xiaobai
Whistle contour extraction aims to derive animal whistles from time-frequency spectrograms as polylines. For toothed whales, whistle extraction results can serve as the basis for analyzing animal abundance, species identity, and social activities. Du
Externí odkaz:
http://arxiv.org/abs/2304.02714