NGC 4013 is an edge-on barred spiral galaxy about 55 million light-years away in the constellation Ursa Major. The disk of NGC 4013 shows a distinct "peanut"-shaped bulge in long exposure photographs that N-body computer simulations suggest is consistent with a stellar bar seen perpendicular to the line of sight.

NGC 4013 是一个位于 大熊座 的 棒旋星系，距离地球5500万 光年 [4]，属于 大熊座星系团 （英语：Ursa Major Cluster）[5]。 1989年12月30日人们在星系内发现 超新星 SN 1989Z [6]。

2001年3月1日 · NASA's Hubble Space Telescope has snapped this remarkable view of a perfectly "edge-on" galaxy, NGC 4013. This new Hubble picture reveals with exquisite detail huge clouds of dust and gas extending along, as well as far above, the galaxy's main disk.

NGC 4013是一个 漩涡星系,在 大熊座。 哈勃空间望远镜 抓拍了这一个令人印象深刻的“边缘向前”的星系 NGC 4013，这幅最新的哈勃图像详尽地揭示出该星系的 星系盘 被长长的气体和尘埃云覆盖着。

NGC 4013 是一個位於 大熊座 的 棒旋星系，距離地球5500萬 光年 [4]，屬於 大熊座星系團 （英語：Ursa Major Cluster）[5]。 1989年12月30日人們在星系內發現 超新星 SN 1989Z [6]。

2002年6月5日 · Zoom from ground-based image and WFPC2 visible image to NICMOS infrared images of the edge-on galaxy NGC 4013. The revived Near Infrared Camera and Multi-Object …

2023年4月17日 · An amazing "edge-on" view of a spiral galaxy 55 million light years from Earth has been captured by the Hubble Space Telescope. The image reveals in great detail huge clouds of dust and gas extending along and above the galaxy's main disk. Photo credit: NASA and the Hubble Heritage Team (STSci/AURA)

2001年3月1日 · NASA's Hubble Space Telescope has snapped this remarkable view of a perfectly "edge-on" galaxy, NGC 4013. This new Hubble picture reveals with exquisite detail huge clouds of dust and gas extending along, as well as far above, the galaxy's main disk.

1999年12月15日 · The galaxy, called NGC 4013, lies in the direction of the constellation Ursa Major. If we could see it pole-on, it would look like a nearly circular pinwheel. In this Hubble image, NGC 4013 is seen edge-on, from our vantage point.

Explanation: Nearly 50 million light-years away in the constellation Ursa Major, NGC 4013 was long considered an isolated island universe. Seen edge-on, the gorgeous spiral galaxy was known for its flattened disk and central bulge of stars, cut by silhouetted dust lanes.