Callington, R.

Japanese: Callington,R.(英語表記)CallingtonR
Callington, R.

...Observations to determine the relative number of sunspots are simple observations that can be done with a small telescope, but given the recent thinking that sunspot activity is just one type of solar activity, it can be said to be a very important indicator of the functioning of the sun, which can be obtained most easily.
[Spoerer's Law]
R. Callington (1826-75) discovered that the mean latitude at which sunspots appear moves from high latitudes toward the equator along with the sunspot cycle, but G. Spörer (1822-95) subsequently investigated this phenomenon in detail, and so this phenomenon is named after him as Spörer's Law. The mean latitude at which sunspots appear starts at ±30°, passes through a period when the number of sunspots is greatest around ±10°, and then reaches a minimum in the number of sunspots around ±5°, and at the same time a new sunspot cycle begins around ±30°.

*Some of the terminology that mentions "Callington, R." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…黒点相対数を求める観測は,小望遠鏡でもできる簡単な観測であるが,黒点活動はいろいろある太陽活動の中の一つであるという最近の考え方からすると,太陽の働きのもっとも手軽に得られる非常に重要な指標ということができる。
[シュペーラーの法則]
 キャリントンR.Callington(1826‐75)は,黒点の現れる平均緯度が黒点周期とともに高緯度から赤道方向に移動することを見いだしたが,引き続いてシュペーラーG.Spörer(1822‐95)がくわしく調べたので,この現象は彼の名を冠してシュペラーの法則と呼ばれている。黒点の平均出現緯度は±30゜から始まって±10゜付近のもっとも黒点数の多いときを経て,±5゜付近で黒点数の最少期を迎え,同時に新しい黒点周期が±30゜付近で始まる。…

※「Callington,R.」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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