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NGC 3628 (Edge-on Spiral Galaxy), Arp 317


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Arp 317 (NGC 3628)
Edge-on Spiral Galaxy (エッジオン銀河)
Gx Sb

別名 (Other names)
PGC 34697, UGC 6350, Arp 317

明るさ (Brightness)
9.6等級

星座 (Constellation)
しし座 (Leo) (Leo)

距離 (Distance)
3,500万光年 (35 million light-yaers)

Arp 317 (NGC 3628) is a spiral galaxy located 35 million light years from the Earth in the constellation Leo.

NGC 3628 (Edge-on Spiral Galaxy) : Picture

Edge-on NGC 3628
Edge-on NGC 3628
(C) Stephen Leshin
Sharp telescopic views of magnificent edge-on spiral galaxy NGC 3628 show a puffy galactic disk divided by dark dust lanes. The tantalizing scene puts many astronomers in mind of its popular moniker, The Hamburger Galaxy. About 100,000 light-years across and 35 million light-years away in the constellation Leo, NGC 3628 shares its neighborhood in the local Universe with two other large spirals, a grouping otherwise known as the Leo Triplet. Gravitational interactions with its cosmic neighbors are likely responsible for the extended flare and warp of this spiral's disk, populated by the galaxy's young blue star clusters and tell tale pinkish star forming regions. Also a result of past close encounters, a faint tidal tail of material is just visible extending upward and left in this deep galaxy portrait.

Sideways Galaxy NGC 3628
Sideways Galaxy NGC 3628
(C) Keith Quattrocchi

The Leo Triplet Galaxies from VST
The Leo Triplet Galaxies from VST
(C) ESO, INAF-VST, OmegaCAM; Acknowledgement: OmegaCen, Astro-WISE, Kapteyn I.
This popular group is famous as the Leo Triplet - a gathering of three magnificent galaxies in one field of view. Crowd pleasers when imaged with even modest telescopes, these galaxies can be introduced individually as NGC 3628 (left), M66 (bottom right), and M65 (top right). All three are large spiral galaxies. They tend to look dissimilar because their galactic disks are tilted at different angles to our line of sight. NGC 3628 is seen edge-on, with obscuring dust lanes cutting across the plane of the galaxy, while the disks of M66 and M65 are both inclined enough to show off their spiral structure. Gravitational interactions between galaxies in the group have also left telltale signs, including the warped and inflated disk of NGC 3628 and the drawn out spiral arms of M66. This gorgeous deep view of the region was taken by the new VLT Survey Telescope (VST) and spans about one degree (two full moons) on the sky. The field covers over 500 thousand light-years at the trio's estimated distance of 30 million light-years.

The Tidal Tail of NGC 3628
The Tidal Tail of NGC 3628
(C) Thomas V. Davis (tvdavisastropix.com)

The Tidal Tail of NGC 3628
The Tidal Tail of NGC 3628
(C) Steve Mandel (Galaxy Images)

Trio Leo
Trio Leo
(C) Daniel Verschatse (Antilhue Observatory)

NGC 3628 NGC 3628
NGC 3628
(C) Stephen Leshin
NGC 3628
(C) Keith Quattrocchi
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NGC 3628 (Edge-on Spiral Galaxy) : Movie

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