Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Samuel L. Freeland"'
1
Instrument Calibration of the Interface Region Imaging Spectrograph (IRIS) Mission
Autor: N. Schanche, C. A. Madsen, Steven H. Saar, J. Prchlik, Paul Bryans, R. Timmons, S. McKillop, P. Boerner, Charles C. Kankelborg, Samuel L. Freeland, B. De Pontieu, J. P. Wülser, M. Wiesmann, S. Jaeggli, S. Brannon, Wei Liu, Theodore D. Tarbell, Paola Testa
Publikováno v: Solar Physics. 293
This work is supported by NASA contract NNG09FA40C (IRIS). The Interface Region Imaging Spectrograph (IRIS) is a NASA small explorer mission that provides high-resolution spectra and images of the Sun in the 133 – 141 nm and 278 – 283 nm waveleng
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::301d3538fe6f5a997b7c4f20d8e804d8
https://doi.org/10.1007/s11207-018-1364-8
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2
The Association of Solar Flares with Coronal Mass Ejections During the Extended Solar Minimum
Autor: J. P. Wülser, Nariaki Nitta, James R. Lemen, Dominic M. Zarro, Markus J. Aschwanden, Samuel L. Freeland
Publikováno v: Solar Physics. 289:1257-1277
We study the association of solar flares with coronal mass ejections (CMEs) during the deep, extended solar minimum of 2007-2009, using extreme-ultraviolet (EUV) and white-light (coronagraph) images from the {\it Solar Terrestrial Relations Observato
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d206b03a2955a490bfcf477801cd4233
https://doi.org/10.1007/s11207-013-0388-3
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3
AN ALTERNATIVE VIEW OF THE 'MASUDA' FLARE
Autor: Wei Liu, Nariaki Nitta, Samuel L. Freeland
Publikováno v: The Astrophysical Journal. 725:L28-L33
The limb flare on 1992 January 13, the so-called Masuda flare, has stimulated scientists to refine theory of solar flares based on two-dimensional magnetic reconnection. This is primarily because of the hard X-ray (HXR) source seen above the clearly
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6fa15dcf64eef3be7e4db91955efb7b5
https://doi.org/10.1088/2041-8205/725/1/l28
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4
EUV WAVE REFLECTION FROM A CORONAL HOLE
Autor: R. T. J. McAteer, William T. Thompson, Joseph M. Davila, Manuela Temmer, Shaela I. Jones, Jean-Pierre Wuelser, Russell A. Howard, S. Yashiro, Samuel L. Freeland, Nat Gopalswamy
Publikováno v: The Astrophysical Journal. 691:L123-L127
We report on the detection of EUV wave reflection from a coronal hole, as observed by the Solar Terrestrial Relations Observatory mission. The EUV wave was associated with a coronal mass ejection (CME) erupting near the disk center. It was possible t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::29f180449dccca1894132896f01f72a5
https://doi.org/10.1088/0004-637x/691/2/l123
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6
[Untitled]
Autor: A. Maucherat, P. Cugnon, Jeffrey S. Newmark, Claude Jamar, F. Clette, Robert A. Stern, W. M. Neupert, James R. Lemen, John D. Moses, G. E. Artzner, Russell A. Howard, R. C. Catura, Barbara J. Thompson, Jean-Pierre Delaboudiniere, Jean-Marc Defise, F. Portier-Fozzani, Pierre Rochus, Alan H. Gabriel, D. J. Michels, Joseph B. Gurman, Samuel L. Freeland, Kenneth P. Dere
Publikováno v: Solar Physics. 183:305-321
Solar EUV images recorded by the EUV Imaging Telescope (EIT) on SOHO have been used to evaluate temperature and density as a function of position in two largescale features in the corona observed in the temperature range of 1.0–2.0 MK. Such observa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8790dd34516a0979797ac98f61280ad
https://doi.org/10.1023/a:1005045512509
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7
Soft X-ray Fluxes of Major Flares Far Behind the Limb as Estimated Using STEREO EUV Images
Autor: Paul Boerner, Nariaki Nitta, James R. Lemen, Jean-Pierre Wuelser, Samuel L. Freeland, Markus J. Aschwanden
With increasing solar activity since 2010, many flares from the backside of the Sun have been observed by the Extreme Ultraviolet Imager (EUVI) on either of the twin STEREO spacecraft. Our objective is to estimate their X-ray peak fluxes from EUVI da
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5506453bd130127abbf1fa0a6f4ef73
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8
Automated Solar Flare Statistics in Soft X-rays over 37 Years of GOES Observations - The Invariance of Self-Organized Criticality during Three Solar Cycles
Autor: Markus J. Aschwanden, Samuel L. Freeland
We analyzed the soft X-ray light curves from the {\sl Geostationary Operational Environmental Satellites (GOES)} over the last 37 years (1975-2011) and measured with an automated flare detection algorithm over 300,000 solar flare events (amounting to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0613ec6d1fd583351f9a6f58d002279f
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9
Resident Archive Services of the Yohkoh Legacy Data Archive
Autor: Keiji Yoshimura, Loren W. Acton, Aki Takeda, Samuel L. Freeland, David E. McKenzie
Publikováno v: Data Science Journal; Vol 8 (2009): Special Issue; PIGY1-IGY5
Data Science Journal, Vol 8 (2009)
The Yohkoh Legacy Data Archive (YLA) is one of the first group of Resident Archives (RAs) selected for funding for NASA's Virtual Observatories for the Heliophysics Data program. YLA provides the best corrected data set of solar X-ray images and spec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d84b77a629eaa68b72363ffa414f2a98
https://datascience.codata.org/jms/article/view/dsj.SS_IGY-005
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