...The period of this type ranges from several tens of days to about one day. The W Ursae Majoris type is an eclipsing variable in which the luminosity of both stars is almost the same and the depth of the first and second minimums is about the same. It is named after its representative star, W Ursae Majoris (period 0.33 days), and all periods are short, less than one day. Another notable feature of this type of light curve is that it has no sharp corners, and even the beginning and end of the eclipse is unclear. ... *Some of the terminology explanations that mention "W Ursa Major" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この型の周期は数十日から1日くらいまでである。両星の光度がほとんど同じで,第1極小と第2極小の深さが同程度の食変光星がおおぐま座W型で,代表星おおぐま座W星(周期0.33日)の名をとってつけたもので,周期はどれも1日以下と短い。この型の光度曲線は角ばったところがまったくなく,食の始りと終りさえはっきりしないのも著しい特徴である。… ※「おおぐま座 W 星」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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