Zobrazeno 1 - 10
of 154
pro vyhledávání: '"Krucker, Sam"'
The accelerated electrons during solar flares produce radio bursts and nonthermal X-ray signatures. The quasi-periodic pulsations (QPPs) and fine structures in spatial-spectral-temporal space in radio bursts depend on the emission mechanism and the l
Externí odkaz:
http://arxiv.org/abs/2405.04351
Autor:
Christe, Steven, Glesener, Lindsay, Buitrago-Casas, Camilo, Ishikawa, Shin-Nosuke, Ramsey, Brian, Gubarev, Mikhail, Kilaru, Kiranmayee, Kolodziejczak, Jeffery J., Watanabe, Shin, Takahashi, Tadayuki, Tajima, Hiroyasu, Turin, Paul, Shourt, Van, Foster, Natalie, Krucker, Sam
Publikováno v:
Journal of Astronomical Instrumentation, 2016, Volume 05, Number 01, 1640005
The Focusing Optics X-ray Solar Imager (FOXSI) sounding rocket payload flew for the second time on 2014 December 11. To enable direct Hard X-Ray (HXR) imaging spectroscopy, FOXSI makes use of grazing-incidence replicated focusing optics combined with
Externí odkaz:
http://arxiv.org/abs/2403.07610
Autor:
Volpara, Anna, Massa, Paolo, Krucker, Sam, Emslie, A Gordon, Piana, Michele, Massone, Anna Maria
Regularized imaging spectroscopy was introduced for the construction of electron flux images at different energies from count visibilities recorded by the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI). In this work we seek to extend t
Externí odkaz:
http://arxiv.org/abs/2311.07148
A ubiquitous presence of weak energy releases is one of the most promising hypotheses to explain coronal heating, referred to as the nanoflare hypothesis. The accelerated electrons associated with such weak heating events are also expected to give ri
Externí odkaz:
http://arxiv.org/abs/2208.07147
Autor:
Pesce-Rollins, Melissa, Omodei, Nicola, Krucker, Sam, Di Lalla, Niccol`o, Wang, Wen, Battaglia, Andrea F., Warmuth, Alexander, Veronig, Astrid M., Baldini, Luca
Publikováno v:
ApJ 929 172 (2022)
We present the Fermi-LAT observations of the behind-the-limb (BTL) flare of July 17, 2021 and the joint detection of this flare by STIX onboard Solar Orbiter. The separation between Earth and the Solar Orbiter was 99.2$^{\circ}$ at 05:00 UT, allowing
Externí odkaz:
http://arxiv.org/abs/2205.04760
Autor:
Volpara, Anna, Massa, Paolo, Perracchione, Emma, Battaglia, Andrea Francesco, Garbarino, Sara, Benvenuto, Federico, Massone, Anna Maria, Krucker, Sam, Piana, Michele
Aima. To determine to what extent the problem of forward fitting visibilities measured by the Spectrometer/Telescope Imaging X-rays (STIX) on-board Solar Orbiter is more challenging with respect to the same problem in the case of previous hard X-ray
Externí odkaz:
http://arxiv.org/abs/2204.14148
Autor:
Massa, Paolo, Perracchione, Emma, Garbarino, Sara, Battaglia, Andrea F, Benvenuto, Federico, Piana, Michele, Hurford, Gordon, Krucker, Sam
Publikováno v:
A&A 656, A25 (2021)
Aims: To provide the first demonstration of STIX Fourier-transform X-ray imaging using semi-calibrated (amplitude-only) visibility data acquired during the Solar Orbiter's cruise phase. Methods: We use a parametric imaging approach by which STIX visi
Externí odkaz:
http://arxiv.org/abs/2108.04901
Autor:
Athiray, P. S., Vievering, Juliana, Glesener, Lindsay, Ishikawa, Shin-nosuke, Narukage, Noriyuki, Buitrago-Casas, Juan Camilo, Musset, Sophie, Inglis, Andrew, Christe, Steven, Krucker, Sam, Ryan, Daniel
In this paper we present the differential emission measures (DEMs) of two sub-A class microflares observed in hard X-rays (HXRs) by the FOXSI-2 sounding rocket experiment, on 2014 December 11. The second FOXSI (Focusing Optics X-ray Solar Imager) fli
Externí odkaz:
http://arxiv.org/abs/2002.04200
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