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{{Short description|Magellanic-type barred spiral galaxy in the constellation Sculptor}} |
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{{Short description|Galaxy in the constellation Sculptor}} |
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{{Infobox galaxy |
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{{Infobox galaxy |
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| name = ] 55 |
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| name = ] 55 |
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| image = File:Irregular Galaxy NGC 55 (ESO 0914a).jpg |
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| image = File:Irregular Galaxy NGC 55 (ESO 0914a).jpg |
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| caption = Irregular Galaxy NGC 55 imaged by the ] |
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| image_size = 300px |
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| caption = Irregular Galaxy NGC 55 (La Silla Observatory) |
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| epoch = ] |
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| epoch = ] |
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| constellation name = ]<ref name="sinnott1988"> |
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| constellation name = ]<ref name="sinnott1988"> |
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}}</ref> |
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}}</ref> |
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| ra = {{RA|00|14|53.6}}<ref name="ned" /> |
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| ra = {{RA|00|14|53.6}}<ref name="ned" /> |
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| dec = {{DEC|-39|11|48}}<ref name="ned" /> |
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| dec = {{DEC|-39|11|47.9}}<ref name="ned" /> |
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| z = 129 ± 2 km/]<ref name="ned" /> |
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| z = 0.000437<ref name="ned" /> |
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| h_radial_v = 131 ± 2 km/s<ref name="ned" /> |
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| dist_ly = ] ]<br>(2.00 ± 0.2 ])<ref name="Karachentsevetal2006" /><ref name = "vandesteeneetal2006" /> |
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| dist_ly = ] ]<br>(2.00 ± 0.2 ])<ref name="Karachentsevetal2006" /><ref name = "vandesteeneetal2006" /> |
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{{Ref label|A|a|none}} |
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{{Ref label|A|a|none}} |
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}}</ref><ref name=GAXEL> |
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}}</ref><ref name=GAXEL> |
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{{cite journal |
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{{cite journal |
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|last=Armando |first=Gil de Paz |
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|last=Armando |first=Gil de Paz |
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|display-authors=etal |
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|display-authors=etal |
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|date=2007 |
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|date=2007 |
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|title=The GALEX Ultraviolet Atlas of Nearby Galaxies |
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|title=The GALEX Ultraviolet Atlas of Nearby Galaxies |
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|journal=] |
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|journal=] |
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|volume=173 |issue=2 |pages=185–255 |
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|volume=173 |issue=2 |pages=185–255 |
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|arxiv=astro-ph/0606440 |
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|arxiv=astro-ph/0606440 |
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|doi=10.1086/516636 |
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|doi=10.1086/516636 |
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|bibcode = 2007ApJS..173..185G |s2cid=119085482 |
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|bibcode = 2007ApJS..173..185G |s2cid=119085482 |
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}}</ref> |
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}}</ref> |
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| size_v = 32′.4 × 5′.6<ref name="ned" /> |
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| size_v = {{Val|32.4|×|5.6|u=arcminute}}<ref name="ned" /> |
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| size=~{{convert|20.99|kpc|ly|abbr=on|lk=on|order=flip}} (estimated)<ref name ="ned" /> |
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| mass = (2.0 ± 0.4) × 10<sup>10</sup> |
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| mass = (2.0 ± 0.4) × 10<sup>10</sup> |
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| names = ] 1014,<ref name="ned" /> ] 72, ] J00145360-3911478, ] F00124-3929, ] 293-50, ] -07-01-013<ref name="SIMBAD-NGC55"/> |
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| names = ] 1014,<ref name="ned" /> ] 72, ] J00145360-3911478, ] F00124-3929, ] 293-50, ] -07-01-013<ref name="SIMBAD-NGC55"/> |
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}} |
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'''NGC 55''', is a ] ] located about ] ]s away in the ] ]. Along with its neighbor ], it is one of the closest galaxies to the ], probably lying between the ] and the ].<ref name="cseligman">{{Cite web|url=http://cseligman.com/text/atlas/ngc0a.htm#55|title=New General Catalog Objects: NGC 50 - 99|website=cseligman.com|language=en-US|access-date=2017-12-12}}</ref> It has an estimated mass of (2.0 ± 0.4) × 10<sup>10</sup> {{solar mass}}.<ref>{{Cite journal|title=Gas and dark matter in the Sculptor group: NGC 55|year=2013|doi=10.1093/mnras/stt1271|url=https://academic.oup.com/mnras/article/434/4/3511/964482|url-status=live|last1=Westmeier|first1=T.|last2=Koribalski|first2=B. S.|last3=Braun|first3=R.|journal=Monthly Notices of the Royal Astronomical Society|volume=434|issue=4|pages=3511–3525}}</ref> |
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'''NGC 55''', also known as the '''String of Pearls Galaxy''',<ref name="interstellarum">{{cite book|last=Stoyan|first=Ronald|last2=Schurig|first2=Stephan|title=interstellarum Deep Sky Atlas|publisher=Cambridge University Press; Oculum-Verlag GmbH|publication-place=Erlangen|date=2014|isbn=978-1-107-50338-0|oclc=920437579|url=http://www.deep-sky-atlas.com/}}</ref> is a ] ] located about ] ]s away in the ] ]. It was discovered on 7 July 1826 by ] astronomer ].<ref name="cseligman" /> Along with its neighbor ], it is one of the closest galaxies to the ], probably lying between the ] and the ].<ref name="cseligman">{{Cite web|url=http://cseligman.com/text/atlas/ngc0a.htm#55|title=New General Catalog Objects: NGC 50 - 99|website=cseligman.com|language=en-US|access-date=2017-12-12}}</ref> It has an estimated mass of (2.0 ± 0.4) × 10<sup>10</sup> {{solar mass}}.<ref>{{Cite journal|title=Gas and dark matter in the Sculptor group: NGC 55|year=2013|doi=10.1093/mnras/stt1271|url=https://academic.oup.com/mnras/article/434/4/3511/964482|last1=Westmeier|first1=T.|last2=Koribalski|first2=B. S.|last3=Braun|first3=R.|journal=Monthly Notices of the Royal Astronomical Society|volume=434|issue=4|pages=3511–3525|doi-access=free|arxiv=1307.2962}}</ref> |
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==Nearby galaxies and group information== |
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==Nearby galaxies and group information== |
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==Notes== |
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==Notes== |
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{{DEFAULTSORT:NGC 0055}} |
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{{DEFAULTSORT:NGC 0055}} |
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.jpg)
Irregular Galaxy NGC 55 imaged by the La Silla Observatory
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