Výsledky vyhledávání - "Janet Machol"

Autor: Rodney Viereck, Janet Machol, Thomas N. Woods, Odele Coddington, Martin Snow, D. Woodraska

Publikováno v: Earth and Space Science, Vol 6, Iss 12, Pp 2263-2272 (2019)

The hydrogen Lyman‐alpha (Lyman α) line at 121.56 nm is the strongest solar vacuum ultraviolet emission line. Especially because of the impacts on planetary atmospheres, long‐term data sets of Lyman α are important for understanding solar and a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8406f6fd3d3930c67cc005a832cf69b6
https://doaj.org/article/00c91eb1345e4854aeedcc9e17c7bd5e

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A Revised Magnesium II Core‐to‐Wing Ratio From SORCE SOLSTICE

Autor: Mark Weber, J. P. Elliott, Rodney Viereck, Janet Machol, D. Woodraska, Thomas N. Woods, Martin Snow

Publikováno v: Earth and Space Science, Vol 6, Iss 11, Pp 2106-2114 (2019)

The Magnesium II core‐to‐wing ratio (also known as the Mg II index) is a widely used proxy for ultraviolet solar spectral irradiance variability. We have developed a new algorithm for calculating this index from the SOLar‐STellar Irradiance Com

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb9d9ac3e32ff757118ecca9a894362e
https://doaj.org/article/08a1122e514d427baa9ee1ba3789ad58

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Solar Irradiance Variability: Modeling the Measurements

Autor: Odele Coddington, Greg Kopp, Sergey Marchenko, Matthew T. DeLand, Judith Lean, Janet Machol

Publikováno v: Earth and Space Science, Vol 7, Iss 8, Pp n/a-n/a (2020)

New models of the Sun's irradiance variability are developed from 15 years of direct observations made by the Solar Radiation and Climate Experiment (SORCE) spacecraft from 2003 to 2017 (inclusive). Multiple linear regression parameterizes the observ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9625fddd8232a5e0be6a0900db4dd408
https://doaj.org/article/59a1da2beca84a1e9ed2acdb9f342418

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GOES-R Series Solar X-ray and Ultraviolet Irradiance

Autor: T. Eden, William E. McClintock, Thomas N. Woods, Randle W. Meisner, S. Dave Bouwer, Edward Thiemann, D. Woodraska, Stefan Codrescu, Steven Mueller, Francis G. Eparvier, Rodney Viereck, Martin Snow, Janet Machol, Alysha Reinard

The GOES-R Series Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS) measures solar irradiance at the very short wavelengths where the Sun’s output varies the most. EXIS has two primary components, the X-ray Sensor (XRS) and the Extreme Ultrav

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5ea482d134a6b53cf9c192d1dca9a21d
https://doi.org/10.1016/b978-0-12-814327-8.00019-6

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Solar Ultraviolet Irradiance Observations of the Solar Flares During the Intense September 2017 Storm Period

Autor: Rodney Viereck, Leonid Didkovsky, Francis G. Eparvier, Janet Machol, D. Woodraska, Edward Thiemann, Martin Snow, Andrew R. Jones, James Mason, Phillip C. Chamberlin, Thomas N. Woods

Publikováno v: Space Weather. 16:1470-1487

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2a26191c1fa2846819d53be9ef5ea3d
https://doi.org/10.1029/2018sw001866

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The GOES-R EUVS Model for EUV Irradiance Variability

Autor: T. Eden, Edward Thiemann, Phillip C. Chamberlin, Steven Mueller, Andrew R. Jones, R. Meisner, Rodney Viereck, Janet Machol, Thomas N. Woods, Don Woodraska, Francis G. Eparvier, Martin Snow

Publikováno v: Journal of Space Weather and Space Climate, Vol 9, p A43 (2019)

The Geostationary Operational Environmental Satellite R (GOES-R) series of four satellites are the next generation NOAA GOES satellites. Once on orbit and commissioned, they are renamed GOES 16-19, making critical terrestrial and space weather measur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03f927f4a04a9abb827992007630bf0d
http://arxiv.org/abs/1911.09181

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First Detection of Solar Flare Emission in Mid-ultraviolet Balmer Continuum

Autor: Laurence Wauters, Werner Schmutz, Marie Dominique, Ingolf Dammasch, Matthieu Kretzschmar, Petr Heinzel, S. V. Shestov, L. Dolla, Andrei Zhukov, Giovanni Lapenta, Janet Machol

Publikováno v: The Astrophysical journal letters
The Astrophysical journal letters, Bristol : IOP Publishing, 2018, 867 (2), pp.L24. ⟨10.3847/2041-8213/aaeace⟩

© 2018. The American Astronomical Society. All rights reserved. We present the first detection of solar flare emission at mid-ultraviolet wavelengths around 2000 by the channel 2 of the Large-Yield RAdiometer (LYRA) on board the PRoject for OnBoard

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3ca45e46696cb89466786af7538a247
https://hal-insu.archives-ouvertes.fr/insu-02940873/document

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Magnesium II Index measurements from SORCE SOLSTICE and GOES-16 EUVS

Autor: Martin Snow, William E. McClintock, Francis G. Eparvier, Janet Machol, Andrew R. Jones, Thomas N. Woods

Publikováno v: Proceedings of the International Astronomical Union. 13:167-168

The solar magnesium II core-to-wing ratio has been a well-studied proxy for chromospheric activity since 1978. Daily measurements at high spectral (0.1 nm) resolution began with the launch of the Solar Radiation and Climate Experiment (SORCE) in 2003

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::381f0171f7616916132f9471e8955a3e
https://doi.org/10.1017/s174392131800128x

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Identification and replacement of proton-contaminated real-time ACE solar wind measurements

Autor: Alysha Reinard, D. A. Biesecker, Rodney Viereck, Janet Machol

Publikováno v: Space Weather. 11:434-440

[1] Real-time solar wind speed measurements derived from measurements by the Solar Wind Electron, Proton, and Alpha Monitor (SWEPAM) aboard the Advanced Composition Explorer (ACE) satellite are critical to specifying and forecasting current space wea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c629bb3a58caf6c13890e504ec3cd252
https://doi.org/10.1002/swe.20070

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