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词汇 Dumbbell Nebula
分类 英语词汇 英语翻译词典
释义

Dumbbell Nebula

中文百科

哑铃星云

ESO所摄得的照片显示哑铃星云的结构与中心恒星
HST所摄得的哑铃星云结点结构

哑铃星云Dumbbell Nebula)又称为扯铃星云M27梅西耶 27NGC 6853,是一个位于狐狸座的行星状星云,距离地球约1,360光年。

哑铃星云也是最早被人类发现的行星状星云,它于1764年被法国天文学家夏尔·梅西耶所发现。它的视星等为7.5等,直经约为8角分。对于使用小型望远镜或双筒望远镜的观测者,这可能是最理想的行星状星云目标。哑铃星云也是业余天文学一个受观迎的观测目标。

英语百科

Dumbbell Nebula 哑铃星云

M27. This picture was processed and combined using IRAF and MaxIm DL by Mohamad Abbas.
HST closeup of knots in M 27Credit: C.R. O'Dell (Vanderbilt University)

The Dumbbell Nebula (also known as Apple Core Nebula, Messier 27, M 27, or NGC 6853) is a planetary nebula in the constellation Vulpecula, at a distance of about 1,360 light-years.

This object was the first planetary nebula to be discovered; by Charles Messier in 1764. At its brightness of visual magnitude 7.5 and its diameter of about 8 arcminutes, it is easily visible in binoculars, and a popular observing target in amateur telescopes.

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