Arp 7
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Template:Short description Template:Infobox Galaxy Template:Sky Arp 7 (PGC 24836) is a spiral galaxy in the constellation Hydra.[1] Redshift-independent measurements of its distance vary widely, from 5.9 Mpc to 83.7 Mpc.[2] Its morphological classification is SB(rs)bc,[2] meaning it is a barred spiral galaxy with some ring-like structure.
Arp 7 was imaged by Halton Arp and included in his Atlas of Peculiar Galaxies under the category of 'split arm' galaxies.[3] Five other galaxies are also included in this section of the atlas: Arp 8 (NGC 497), Arp 9 (NGC 2523), Arp 10 (UGC 1775), Arp 11 (UGC 717), and Arp 12 (NGC 2608).
See also
References
Notes
External links
- Full Arp Atlas
- Arp Atlas image of Arp 7
- Constellation Locator
- SIMBAD Astronomical Database
- NASA/IPAC Extragalactic Database
Template:Astronomical catalogs Template:Hydra (constellation)
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