Zobrazeno 1 - 10
of 16
pro vyhledávání: '"O. Gerlei"'
Publikováno v:
Solar Physics. 146:163-176
Active region 2684 was observed by the Solar Maximum Mission and ground-based observatories simultaneously for over 12 hours on September 23, 1980. During these observations, recurrent surges were detected above an area with complex parasitic magneti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12b3fd570b8d553905d51d406881d873
https://doi.org/10.1007/bf00662177
https://doi.org/10.1007/bf00662177
Publikováno v:
Solar Physics. 140:199-202
A new method to determine the experimental north direction of a heliogram is suggested and a method of reduction for the measurements is given. The accuracy achievable by this method exceeds that generally used.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c3a93c025002f7477f1cdb5f3240865
https://doi.org/10.1007/bf00148440
https://doi.org/10.1007/bf00148440
Autor:
J. Aboudarham, L. van Driel-Gesztelyi, G. H. J. Van Den Oord, John C. Brown, J.-C. Henoux, O. Gerlei
Publikováno v:
Solar Physics. 130:243-251
Electron bombardment of the solar atmosphere has two effects: one is to enhance hydrogen recombination emission, the other is to increase the opacity via an increase of H− population. The first effect is the most important in the upper part of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6553a05254f10c40316e407ba654d829
https://doi.org/10.1007/bf00156792
https://doi.org/10.1007/bf00156792
Publikováno v:
Solar Physics. 151:399-399
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67dbd7720f3debb325b392099509d0e8
https://doi.org/10.1007/bf00679087
https://doi.org/10.1007/bf00679087
Publikováno v:
Advances in Space Research. 4:57-60
Using full-disc white light photoheliograms, we have studied umbrae motion and variations in sunspot areas in a large activity complex over 4 solar rotations. On the basis of the observational data we illustrate with typical examples to what extent r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17d64cdb5889ad9d5b8fa3fde9186c16
https://doi.org/10.1016/0273-1177(84)90160-1
https://doi.org/10.1016/0273-1177(84)90160-1
Publikováno v:
Advances in Space Research. 6:65-68
Five limb flares and a large surge, triggered obviously by the second flare, have been investigated on the basis of Hα on- and off-band heliograms and X-ray data obtained during a 6-hour period on 3 August 1981. In addition, in the vicinity of the f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::998d20f399d098effa8fbf106793096a
https://doi.org/10.1016/0273-1177(86)90118-3
https://doi.org/10.1016/0273-1177(86)90118-3
Publikováno v:
Symposium - International Astronomical Union. 35:70-76
The places of local maxima of sunspot activity, i.e. the formation of solar active regions, seem to follow in a definite sequence of tracks over the Sun's surface. These sequences of activity apparently represent distinct continuous streams, whose du
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b24fa81d51b8c741a459f4fd6bba09c0
https://doi.org/10.1017/s0074180900021343
https://doi.org/10.1017/s0074180900021343
Publikováno v:
Structure and Development of Solar Active Regions ISBN: 9789401168175
The places of local maxima of sunspot activity, i.e. the formation of solar active regions, seem to follow in a definite sequence of tracks over the Sun’s surface. These sequences of activity apparently represent distinct continuous streams, whose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::322128c4288bcf872628c872cf48db7b
https://doi.org/10.1007/978-94-011-6815-1_12
https://doi.org/10.1007/978-94-011-6815-1_12
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Akademický článek
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