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{{Short description|Spiral galaxy in the constellation Cetus}}
{{Infobox galaxy
| name = [[New General Catalogue|NGC]] 1055
| image = [[File:NGC 1055 - 2MASS (J-H-Ks composite)Eso1707a.jpg|300px]]tiff
| caption = An [[infraredVery Large Telescope]] image of NGC 1055 taken by [[2MASS]] project.
| credit= Two Micron All Sky Survey Team
| epoch = [[J2000]]
| constellation name = [[Cetus]]
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| z = 994 ± 5 km/[[second|s]]
| appmag_v = 11.4<ref name="ned" />
| size_v = 7&prime;.6{{prime}} &times;× 2&prime;.7{{prime}}<ref name="ned" />
| v_hb = -
| notes =
| names = UGC 2173,<ref name="ned" /> PGC 10208<ref name="ned" />
}}
'''NGC 1055''' is an edge-on spiral [[spiral galaxy]] located in the constellation [[Cetus]]. thatThe galaxy has a prominent nuclear bulge crossed by a wide, knotty, dark lane of dust and gas. The spiral arm structure appears to be elevated above the galaxy's plane and obscures the upper half of the bulge. Discovered on December 19, 1783 by William Herschel from his home in Slough England.▼
{{Sky|02|41|45.2|+|00|26|35|215000000}}▼
 
▲'''NGC 1055''' is an edge-on spiral [[galaxy]] located in the constellation [[Cetus]] that has a prominent nuclear bulge crossed by a wide, knotty, dark lane of dust and gas. The spiral arm structure appears to be elevated above the galaxy's plane and obscures the upper half of the bulge. Discovered on December 19, 1783 by William Herschel from his home in Slough England.
 
It is a binary system together with the bright spiral galaxy [[Messier 77|M77 (NGC 1068)]]. These two are the largest galaxies of a small galaxy group that also includes [[NGC 1073]], and five other small irregular galaxies.
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[[NGC 1087]], [[NGC 1090]], and [[NGC 1094]] appear close, but they simply appear in the field of view and are background galaxies.
 
Based on the published red shift, (Hubble Constant of 62&nbsp;km/s per Mpc) a rough distance estimate for NGC 1055 is 52 million light-years, with a diameter of about 115,800 light-years. The separation between NGC 1055 and M77 is about 442,0007 million light-years.
 
NGC 1055 is a bright infrared and radio source, particularly in the wavelength for warm carbon monoxide. Astronomers believe that this results from unusually active star formation. It most likely has a transitional nucleus, however, there is a small chance that it could be a [[LINER]].<ref name="hoetal1997">{{citation
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| bibcode = 1997ApJS..112..315H
| doi = 10.1086/313041
|arxiv = astro-ph/9704107 | s2cid = 17086638
}}</ref>
 
[[File:M77 NGC1055 JeffJohnson.jpg|thumb|left|Amateur image of NGC 1055, bottom, and companion galaxy M77, top., the two largest galaxies of a small galaxy group]]
 
==References==
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==External links==
* {{commonscat-inline}}
* {{WikiSky}}
* [http://www.kopernik.org/images/archive/n1055.htm Edge-on Spiral Galaxy NGC 1055 in Cetus], [[Kopernik Observatory & Science Center]], [[Vestal, New York]]
* [[Astronomy Picture of the Day]] - [http://apod.nasa.gov/apod/ap100424.html NGC 1055: Galaxy in a Box] 24 April 2010
* [http://www.eso.org/public/unitedkingdom/news/eso1707/?lang ESO: A Galaxy on the Edge] incl. Photos & Animations
* [http://messier.seds.org/xtra/ngc/n1055.html SEDS] – NGC 1055
 
{{Catalogs|NGC=1055|UGC=2173|PGC=10208}}
{{Ngc15}}
{{Cetus}}
▲{{Sky|02|41|45.2|+|00|26|35|215000000}}
 
{{DEFAULTSORT:Ngc 1055}}
[[Category:Barred spiral galaxies]]
[[Category:Cetus (constellation)]]
[[Category:NGC objects|1055]]
[[Category:UGC objects|02173]]
[[Category:PGCPrincipal Galaxies Catalogue objects|10208]]
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