Výsledky vyhledávání - "A. S. Kudaka"

The 6 September 2017 X9 Super Flare Observed From Submillimeter to Mid‐IR

Autor: Paulo J. A. Simões, Adriana Valio, A. S. Kudaka, C. G. Giménez de Castro, Jean-Pierre Raulin, J. F. Valle Silva

Publikováno v: Space Weather. 16:1261-1268

Active Region 12673 is the most productive active region of solar cycle 24: in a few days of early September 2017, four X‐class and 27 M‐class flares occurred. SOL2017‐09‐06T12:00, an X9.3 flare also produced a two‐ribbon white light emissi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::61c6b702345a8c3fdd6f3bede2f36061
https://doi.org/10.1029/2018sw001969

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Akademický článek

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Installation and configuration of an ionospheric scintillation monitoring station based on GNSS SDR receivers in Brazil

Autor: Linty, NICOLA UMBERTO, Emilia, Correia, Ingrid, Hunstad, Amauri, S Kudaka

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2153::76fb53cbe2962b742d5727f3d27dbdea
http://hdl.handle.net/11583/2721112

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The New 30 THz Solar Telescope in São Paulo, Brazil

Autor: R. V. de Souza, L. O. T. Fernandes, A. S. Kudaka, R. Marcon, R. F. Hidalgo Ramirez, M. M. Cassiano, Pierre Kaufmann, D. P. Cabezas

Publikováno v: Solar Physics. 290:2373-2379

It has been found that solar bursts exhibit one unexpected spectral component with fluxes increasing with frequency in the sub-THz range, which is distinct from the well-known microwave emission that peaks at a few to some tens of GHz. This component

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b65e4a4705d76c3e25c51b7f1b24e339
https://doi.org/10.1007/s11207-015-0749-1

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Spectral Trends of Solar Bursts at Sub-THz Frequencies

Autor: A. S. Kudaka, Pierre Kaufmann, C. G. Giménez de Castro, A. B. M. Valio, Jean-Pierre Raulin, Emilia Correia, P. Pereyra, L. O. T. Fernandes, A. Marun

Publikováno v: Solar Physics. 292

Previous sub-THz studies were derived from single-event observations. We here analyze for the first time spectral trends for a larger collection of sub-THz bursts. The collection consists of a set of 16 moderate to small impulsive solar radio bursts

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3020cb982ffd4a6cea55c14e724712f7
https://doi.org/10.1007/s11207-016-1043-6

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THz photometers for solar flare observations from space

Autor: Emilio C. Bortolucci, Claudemir S. da Silva, Grigory I. Kropotov, Pierre Kaufmann, Valery Nikolaev, L. O. T. Fernandes, A. Abrantes, R. Marcon, A. S. Kudaka, Alexandre Augusto de Paula da Silva, A. Marun, Nelson Machado, A. V. Timofeevsky

Publikováno v: Experimental Astronomy. 37:579-598

The search for the still unrevealed spectral shape of the mysterious THz solar flare emissions is one of the current most challenging research issues. The concept, fabrication and performance of a double THz photometer system, named SOLAR-T, is prese

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73b71da5d4e9ba68956b1dbee6f2d603
https://doi.org/10.1007/s10686-014-9389-y

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THz solar observations on board of a trans-Antarctic stratospheric balloon flight

Autor: R. F. Hidalgo Ramirez, V. A. Nicolaev, A. S. Kudaka, A. V. Timofeevsky, Grigory I. Kropotov, R. Marcon, C. M. Silva, A. Marun, Neli Teresinha Galarce Machado, Pierre Kaufmann, A. Abrantes, Jean-Pierre Raulin, Emilio C. Bortolucci, Albert Y. Shih, Glenn Laurent, Pascal Saint-Hilaire, Amir Caspi, L. O. T. Fernandes

Publikováno v: 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).

A new system of two photometers was built to observe the Sun at 3 and 7 THz from space, named SOLAR-T. It has been flown coupled to U.C. Berkeley GRIPS experiment on a NASA stratospheric balloon flight over Antarctica, 19–30 January 2016. The missi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1355f6e2d16cd47bcf710d35a06e8612
https://doi.org/10.1109/irmmw-thz.2016.7758395

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Comparison of 30 THz impulsive burst time development to microwaves, H α , EUV, and GOES soft X-rays

Autor: Pierre Kaufmann, D. P. Cabezas, S. L. Freeland, Marian Karlický, M. M. Cassiano, Rositsa Miteva, A. S. Kudaka, Stephen M. White, A. Kerdraon, R. Marcon, Gerard Trottet, Jean-Pierre Raulin, M. L. Luoni, L. O. T. Fernandes

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2016, 586, pp.A91. ⟨10.1051/0004-6361/201425520⟩
Astronomy and Astrophysics-A&A, EDP Sciences, 2016, 586, pp.A91. ⟨10.1051/0004-6361/201425520⟩

The recent discovery of impulsive solar burst emission in the 30 THz band is raising new interpretation challenges. One event associated with a GOES M2 class flare has been observed simultaneously in microwaves, H-alpha, EUV, and soft X-ray bands. Al

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0ffc765ccf19ea64fd27655b06401ce
https://hal.science/hal-02460714

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Bright 30THz impulsive solar bursts

Autor: C. Francile, P. Pereyra, R. Marcon, Maria Luisa Luoni, R. V. de Souza, Stephen M. White, R. F. Hidalgo Ramirez, A. Marun, D. P. Cabezas, A. S. Kudaka, Pierre Kaufmann, M. M. Cassiano, L. O. T. Fernandes

Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

Impulsive 30 THz continuum bursts have been recently observed in solar flares, utilizing small telescopes with a unique and relatively simple optical setup concept. The most intense burst was observed together with a GOES X2 class event on October 27

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fca6289e97b0848ceb1e61fb28f2e44
Wiley Online Library

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