X-Ray Burst

Japanese: X 線バースト - えっくすせんばーすと
X-Ray Burst

…Other types of X-ray stars are considered to be of the second type, such as stars that shine brightly for a short time, at intervals of several months to a year, and two or three X-ray stars that are very close to the center of the galaxy, within one degree of the center. A common characteristic of X-ray stars of the second type is that they often exhibit X-ray bursts. These are bursts that last for several hours or days, or very rarely, when the X-ray intensity suddenly increases to about 10 times the normal level, and then decays over a period of about 10 seconds. …

*Some of the terminology that refers to "X-ray bursts" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ほかに,数ヵ月ないし1年程度の間隔で,しばらくの間明るく輝く星,銀河中心にきわめて近く,1度以内にある2~3のX線星などが第2種と考えられている。 第2種のX線星に共通した特性はX線バーストがしばしば見られることである。これは数時間ないし数日,あるいはきわめてまれにX線強度が通常の10倍ほどに急激に増加し,10秒程度の時間で減衰するものである。…

※「X 線バースト」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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