M82 X-1是位於星系M82中的超亮X射線源。它是一個中等質量黑洞的候選者,精確的質量估計在100到1000太陽質量之間[1][2][3]。它是已知最亮的超視距X星之一,其亮度超過了恆星質量天體的愛丁頓極限。
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