NGC 520: Difference between revisions
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'''NGC 520''' are a pair of [[Interacting galaxies|colliding]] [[spiral galaxies]] about |
'''NGC 520''' are a pair of [[Interacting galaxies|colliding]] [[spiral galaxies]] about 78 million [[light-year]]s away<ref name=ned-dist/> in the [[constellation]] [[Pisces (constellation)|Pisces]] and were discovered by [[astronomer]] [[William Herschel]] on 13 December 1784.<ref name="cseligman">{{Cite web|url=https://cseligman.com/text/atlas/ngc5.htm#520|title=New General Catalog Objects: NGC 500 - 549|website=cseligman.com|language=en-US|access-date=2017-12-10}}</ref> The object has an H II nucleus.<ref name="hoetal1997">{{Cite news |
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Revision as of 00:11, 15 July 2018
| NGC 520 | |
|---|---|
.jpg) NGC 520 by HST | |
| Observation data (J2000 epoch) | |
| Constellation | Pisces |
| Right ascension | 01h 24m 35.1s[1] |
| Declination | +03° 47′ 33″[1] |
| Redshift | 0.007609[1] |
| Heliocentric radial velocity | 2,281 ± 3 km/s[1] |
| Distance | 90.7 Mly (27.8 Mpc)[2] |
| Apparent magnitude (V) | 12.2[1] |
| Characteristics | |
| Type | Pec[1] |
| Apparent size (V) | 4′.5[1] |
| Notable features | Interacting galaxies |
| Other designations | |
| UGC 966,[1] PGC 5193,[1] Arp 157[1] | |
NGC 520 are a pair of colliding spiral galaxies about 78 million light-years away[2] in the constellation Pisces and were discovered by astronomer William Herschel on 13 December 1784.[3] The object has an H II nucleus.[4]
Gallery
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From the Mount Lemmon SkyCenter (Broadband, visible
See also
External links
Wikimedia Commons has media related to NGC 520.
- NGC 520, An Interacting pair of Spiral Galaxies
- NGC 520 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
References
- ^ a b c d e f g h i j "NASA/IPAC Extragalactic Database". Results for NGC 520. Retrieved 2006-12-22.
- ^ a b "Distance Results for NGC 0520". NASA/IPAC Extragalactic Database. Retrieved 2010-05-05.
- ^ "New General Catalog Objects: NGC 500 - 549". cseligman.com. Retrieved 2017-12-10.
- ^ Ho, Luis C.; Filippenko, Alexei V.; Sargent, Wallace L. W. (October 1997). "A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies". Astrophysical Journal Supplement. Vol. 112. pp. 315–390. arXiv:astro-ph/9704107. Bibcode:1997ApJS..112..315H. doi:10.1086/313041.
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