Abstract
A few ideas emerge from modern developments: (a) the distinction between the quiet and active Sun is misleading and obsolete; (b) the theoretical treatment of the Sun as an isotropic sphere, without magnetism, is obviously not valid; (c) multilayer active phenomena are important as proxies for deeper phenomena more than per se; (d) the solar cycle cannot be described simply by the level of activity, but it needs a consideration of the latitudinal migrations of activity. These points emerge following a systematic look at each of the four parts of this paper, which deal with: 1) The Sun as a variable star (irradiance, radius, neutrino flux). 2) The coupling between rotation, magnetism, convection. 3) The active phenomena in outer layers. 4) The solar cycle and migrations. The conclusion is naturally oriented towards the development of more complete observations, both on the ground, coordinated over the Earth, and in space, using multiple satellites.
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References
Pecker, 1988; Priest, Kristian, 1990; Berthomieu, Cribier, 1990; Cox, Livingston, Matthews, 1991; Sonett, Giampapa, Matthews, 1991; Harvey, 1991; Domingo, 1992; Yohkoh, 1992 (papers collected in Publ. Astron. Soc. Japan, 44 n.5); SCLERA, 1992; IAU Coll. 141, 1993.
Belvedere, G., Proctor, M.R.E., Lanzafame, G., 1991, Nature 350, 481–483
Berthomieu, G., Cribier, M., eds., 1991, Inside the Sun, IAU Coll. n.121, Kluwer Acad. Publ., Dordrecht
Brandenburg, A., Moss, D., Tuominen, L, 1991, in: Harvey, ed. 1991, 536–542
Choudhuri, A.R;, Auffret, H., Priest, E.R., 1993, Solar Phys. 143, 49–68
Christensen-Dalsgaard, 1992, in Priest, Kristian, eds., 23–44
Cox, A.N., Livingston, W.C., Matthews, M.S., eds., 1991, Solar Interior and Atmosphere; The Univ. of Arizona Press, Tucson
Davis, R., Jr., Cox, A.N., 1991, in Cox et al., eds., 51–85
Delache, Ph., 1967, Ann. Astrophys. 30, 827–860
Delache, Ph., Gavryusev, V., Gavryuseva, E., Laclare, F., Régulo, C., Roca Cortés, T., 1993, Astrophys. J. 407, 801–805
Démoulin, P., Priest, E.R., 1993, Solar Phys. 144, 283–305
Démoulin, P., 1993, in Proceedings COSPAR meeting, year 1992
Démoulin, P., Hénoux, J.-C., 1992, Solar Phys. 139, 105–123
Dodson-Prince, H., 1968, private communication quoted in Legrand & Simon, 1991
Domingo, V., ed., 1992, Coronal Streamers, Coronal Loops and Coronal and Solar Wind Composition, First Soho Workshop, Annapolis, ESA-SP 348
Durney, B., 1990, private communication quoted in Schatzman, 1990
Durney, B., 1992, SCLERA, in press
Engvold, O., Jensen, E., Zhang, Y., Brynilsen, N., 1989, Hvar Observ.Bull., 213, n.1, 205
Faurobert-Scholl, M., Frisch, H., Mein, N., eds., 1992, Méthodes de determination des Champs Magnétiques, Atelier Observatoire de Paris
Feldman, U., 1992, Physics Scripts, 46, 202–220
Fossat, E., 1991, Solar Phys. 133, 1–12
Fröhlich, C., Foukal, P.V., Hickey, J.R., Hudson, H.S., Willson, R.C., 1991, in Sonett et al., 1991, 1129
Gelly, B., Fossat, E., Grec, G., 1988, Astron. Astrophys. 200, L29–31
Gough, D.O., Toomre, J., 1991, Ann. Rev. Astron. Astrophys. 29, 627–686
Gopalswamy, N., Kundu, M.R., 1993, Solar Phys. 143, 327–343
Haisch, B.M., Strong, K.T., Rodonò, M., 1991, Ann. Rev. Astron. Astrophys. 29, 274–324
Hara, S., Tsuneta, S., Acton, L.W., Lemen, J.R., Uchida, Y., 1992, Yohkoh, L135–140
Harvey, K., ed, 1991, The Solar Cycle, Astr. Soc. Pacific. Ser. 27, 562
Harvey, K., 1991, in Harvey 1991, p. 337–365
Hénoux, J.-C., Somov, B.V., 1987, Astron. Astrophys. 185, 306–314
Hénoux, J.-C., Somov, B.V., 1992, in Domingo, 1992, p.325
Hénoux, J.-C., Démoulin, P., Mandrini, C.H., Rovira, M.G., 1992, IAU Colloquium 141, in press
Heritschi, D., Mouradian, Z., 1992, Solar Phys. 142, 21–34
Hoeksema, J.T., 1991, Adv.Space Res. 11, 15–24
Howard, R., Labonte, B.J., 1992, Astrophys J. 239, L33–36
IAU Colloquium 141, 1993, Bejing, China, Sept. 1992, in press
Kahler, S.W., 1992, Ann.Rev.Astron.Astrophys. 30, 113–142
Klein, K.L., Mouradian, Z., 1990, in: Dynamics of Solar Flares Workshop, Chantilly, Oct. 1990, Schmieder, B. and Priest, E., eds., p. 185–186
Klein, K.L., 1992, in, Faurobert-Scholl et al., p. 113–130
Kneubühl, F.K., Rast, J., Stettler, P., Müller, E.A., Huguenin, D., 1981, in: Fourth Intern. Conf. on IR and mm Waves and their Applications, Miami Beach, Dec. 1979, p. 177–178
Komm, R., Howard, R., Harvey, J.W., 1993, Solar Phys. 145, 1–10
Kosugi, T., Sakao, T., Masuda, S., Makishima, K., Ins, M., Murakami, T., Ogawara, Y., Yaji, K., Matsushita, K., 1992, Yohkoh
Koutchmy, S., Molodensky, M.M., 1992, Nature, 360, 717–719
Kuhn, J.R., 1988, Astrophys J., 331, L131–134
Kuhn, J.R., 1989, Astrophys J., 339, L45–47
Laclare, F., 1987, C.R. Acad. Sc. Paris, 305, II, 451–454
Lantos, P., Alissandrakis, C.E., Rigaud, D., 1992, Solar Phys. 137 225–256
Legrand, J.P., Simon, P., 1991, Solar Phys. 131, 187–209
Mc Allister, A., Uchida, Y., Tsuneta, S., Strong, K.T., Acton, L.W., Hiei, E., Bruner, M.E., Watanabe, Ta., Shibata, K., 1992, Yohkoh
Mc Intosh, P.S., 1991, in: Harvey, 1991, p. 14–33
Mandrini, C.H., Démoulin, P., Hénoux, J. C. Machado, M.E., 1991, Astron.Astrophys. 250, 541–547
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Pecker, JC. (1994). The Sun today. In: Belvedere, G., Rodonò, M., Simnett, G.M. (eds) Advances in Solar Physics. Lecture Notes in Physics, vol 432. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-58041-7_196
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DOI: https://doi.org/10.1007/3-540-58041-7_196
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