乔伊定律 (天文学)
乔伊定律（Joy's Law）在天文学中是描述太阳黑子倾斜的倾向。即前导黑子会比后随黑子更靠近太阳的赤道，并且随着纬度的增加，其倾斜越大[1][2][3][4]。乔伊定律为太阳发电机行动中的"阿尔法效应"提供了观测上的支援[5]。这个定律是以阿尔弗雷德·哈里森·乔伊的名字命名。
参考资料
- ^ Hale GE, Ellerman F, Nicholson SB, Joy AH. The magnetic polarity of sun-spots. Astrophysical Journal. 1919, 49: 153. Bibcode:1919ApJ....49..153H. doi:10.1086/142452.
- ^ Wang, Y.-M.; Sheeley, N. R., Jr. Average properties of bipolar magnetic regions during sunspot cycle 21. Solar Physics. 1989, 124: 81–100. Bibcode:1989SoPh..124...81W. doi:10.1007/BF00146521.
- ^ D'Silva S. Joy's Law and limits on the magnetic field strength at the bottom of the convection zone.. The solar cycle; Proceedings of the National Solar Observatory/Sacramento Peak 12th Summer Workshop, ASP Conference Series (ASP: San Francisco). 1992, 27: 168. 1992ASPC...27..168D.
- ^ Tian L, Bao S, Zhang H, Wang H. Relationship in sign between tilt and twist in active region magnetic fields]. Astronomy and Astrophysics. 2001, 374 (1): 294–300. Bibcode:2001A&A...374..294T. doi:10.1051/0004-6361:20010701
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- ^ NASA/Marshall Solar Physics. solarscience.msfc.nasa.gov. [2015-12-10]. （原始内容存档于2021-02-11）.
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