Relation between the Spatial Distribution and Spectral Index of Superthermal Electron Distribution in Solar cm-Radio Sources
A series of solar cm-radio bursts are analyzed by a new inverse method estimating spatial changes of the superthermal electron distribution in solar cm-radio burst sources. It is found that the measure of the spatial change of superthermal electrons in the radio source ν n is always greater than tha...
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| Veröffentlicht in: | Solar physics 2010-06, Vol.264 (1), p.93-101 |
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| creator | Yasnov, L. V. Karlický, M. |
| description | A series of solar cm-radio bursts are analyzed by a new inverse method estimating spatial changes of the superthermal electron distribution in solar cm-radio burst sources. It is found that the measure of the spatial change of superthermal electrons in the radio source
ν
n
is always greater than that for the magnetic field
ν
B
and it is linearly dependent on the spectral index of the electrons
δ
as
ν
n
≈0.5
δ
. This relation is explained in the simplified flare-loop model integrating the analytical solutions of the Fokker – Planck equation. The mean value of
ν
B
is found to be 0.36±0.04, which is very close to the value of
ν
B
=0.38±0.02 derived from the dependence of the magnetic field strength on the height in the active region measured by RATAN-600. |
| doi_str_mv | 10.1007/s11207-010-9569-5 |
| format | Article |
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ν
n
is always greater than that for the magnetic field
ν
B
and it is linearly dependent on the spectral index of the electrons
δ
as
ν
n
≈0.5
δ
. This relation is explained in the simplified flare-loop model integrating the analytical solutions of the Fokker – Planck equation. The mean value of
ν
B
is found to be 0.36±0.04, which is very close to the value of
ν
B
=0.38±0.02 derived from the dependence of the magnetic field strength on the height in the active region measured by RATAN-600.</description><identifier>ISSN: 0038-0938</identifier><identifier>EISSN: 1573-093X</identifier><identifier>DOI: 10.1007/s11207-010-9569-5</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Astrophysics and Astroparticles ; Atmospheric Sciences ; Magnetic fields ; Physics ; Physics and Astronomy ; Radio astronomy ; Solar flares ; Solar physics ; Space Exploration and Astronautics ; Space Sciences (including Extraterrestrial Physics ; Spatial distribution ; Spectrum analysis ; Sun</subject><ispartof>Solar physics, 2010-06, Vol.264 (1), p.93-101</ispartof><rights>Springer Science+Business Media B.V. 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c347t-5918fc63fb55debe9970877f0535f74d42aa7e3b8db522c628d8624070d653153</citedby><cites>FETCH-LOGICAL-c347t-5918fc63fb55debe9970877f0535f74d42aa7e3b8db522c628d8624070d653153</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11207-010-9569-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11207-010-9569-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Yasnov, L. V.</creatorcontrib><creatorcontrib>Karlický, M.</creatorcontrib><title>Relation between the Spatial Distribution and Spectral Index of Superthermal Electron Distribution in Solar cm-Radio Sources</title><title>Solar physics</title><addtitle>Sol Phys</addtitle><description>A series of solar cm-radio bursts are analyzed by a new inverse method estimating spatial changes of the superthermal electron distribution in solar cm-radio burst sources. It is found that the measure of the spatial change of superthermal electrons in the radio source
ν
n
is always greater than that for the magnetic field
ν
B
and it is linearly dependent on the spectral index of the electrons
δ
as
ν
n
≈0.5
δ
. This relation is explained in the simplified flare-loop model integrating the analytical solutions of the Fokker – Planck equation. The mean value of
ν
B
is found to be 0.36±0.04, which is very close to the value of
ν
B
=0.38±0.02 derived from the dependence of the magnetic field strength on the height in the active region measured by RATAN-600.</description><subject>Astrophysics and Astroparticles</subject><subject>Atmospheric Sciences</subject><subject>Magnetic fields</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Radio astronomy</subject><subject>Solar flares</subject><subject>Solar physics</subject><subject>Space Exploration and Astronautics</subject><subject>Space Sciences (including Extraterrestrial Physics</subject><subject>Spatial distribution</subject><subject>Spectrum analysis</subject><subject>Sun</subject><issn>0038-0938</issn><issn>1573-093X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kU9LxDAQxYMouK5-AG_Bi6dq0iRNepR11QVB2FXwFtJmql36z6RFBT-8qRVEwVMm835veMwgdEzJGSVEnntKYyIjQkmUiiSNxA6aUSFZRFL2uItmhDA11mofHXi_JWR0iRn6WENl-rJtcAb9K0CD-2fAmy70TIUvS9-7Mhu-ANPYIEDeu6CsGgtvuC3wZujABY-rQ3dZjXJgfxnLBm_ayjic19Ha2LIN38Hl4A_RXmEqD0ff7xw9XC3vFzfR7d31anFxG-WMyz4SKVVFnrAiE8JCBmkqiZKyIIKJQnLLY2MksEzZTMRxnsTKqiTmRBKbCEYFm6PTaW7n2pcBfK_r0udQVaaBdvBacpFwxhQN5MkfchuiNiGcZlJwJWPOA0QnKHet9w4K3bmyNu5dU6LHverpGjosWY_X0GOEePL4wDZP4H4G_2_6BIFNjZE</recordid><startdate>20100601</startdate><enddate>20100601</enddate><creator>Yasnov, L. 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ν
n
is always greater than that for the magnetic field
ν
B
and it is linearly dependent on the spectral index of the electrons
δ
as
ν
n
≈0.5
δ
. This relation is explained in the simplified flare-loop model integrating the analytical solutions of the Fokker – Planck equation. The mean value of
ν
B
is found to be 0.36±0.04, which is very close to the value of
ν
B
=0.38±0.02 derived from the dependence of the magnetic field strength on the height in the active region measured by RATAN-600.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s11207-010-9569-5</doi><tpages>9</tpages></addata></record> |
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| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Astrophysics and Astroparticles Atmospheric Sciences Magnetic fields Physics Physics and Astronomy Radio astronomy Solar flares Solar physics Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Spatial distribution Spectrum analysis Sun |
| title | Relation between the Spatial Distribution and Spectral Index of Superthermal Electron Distribution in Solar cm-Radio Sources |
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