eclipsing binary 中文意思是什麼
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The following is a typical eclipsing binary, algol
食雙星是變星的一種。 -
Sometimes, in a binary star system, one star will pass in front of the other producing what we call eclipsing binary. it can be treated as a special kind of visual binary. eclipsing binary systems are variable stars see below
：有些雙星系統，其中一顆星會在另一顆星前經過，產生周期性的光度變化，我們稱這種雙星為食雙星，基本上我們可以把食雙星看成為目視雙星的一種。 -
However, not all binary systems are eclipsing, it depends on the inclination angles of the plane of orbit of the systems
要注意的是，並不是所有雙星系統都是食變星，互掩現象的出現主要取決于雙星軌道平面的傾角。 -
However, if the ring formed is smaller than the occulting object, the whole ring will be covered and we can only observe the dimming of the occulted object. this is exactly the case for eclipsing binary
當物質脫離伴星進入黑洞時，它的溫度不高，和伴星表面物質的溫度差不多，這樣的溫度並不足以產生x射線，所以吸積盤外部是不會產生x射線的。
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