NGC 3945是一个位于大熊座的透镜状星系,1790年3月19日由威廉·赫歇尔发现[5]。NGC 3945结构复杂,有两个星系棒和一个核球[3] ,是LINER星系[3]。NGC 3945中央黑洞质量较小,只有7006900000000000000♠9×106 M☉[3],也可能不存在黑洞[6]。
Quick Facts NGC 3945, 观测资料(J2000 历元) ...
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