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{{Short description|Globular cluster in the constellation Ara}} |
{{Short description|Globular cluster in the constellation Ara}} |
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{{Infobox globular cluster |
{{Infobox globular cluster |
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| name = NGC 6362 |
| name = NGC 6362 |
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'''NGC 6362''' is a [[globular cluster]] in the [[constellation]] [[Ara (constellation)|Ara]], lying close to [[Apus (constellation)|Apus]] in the southern sky. A [[telescope]] with a 150mm primary mirror is required to resolve the stars within this irregularly shaped cluster.<ref name="nightsky" /> |
'''NGC 6362''' is a [[globular cluster]] in the [[constellation]] [[Ara (constellation)|Ara]], lying close to [[Apus (constellation)|Apus]] in the southern sky. A [[telescope]] with a 150mm primary mirror is required to resolve the stars within this irregularly shaped cluster.<ref name="nightsky" /> British astronomer [[James Dunlop]] first observed the cluster on 30 June 1826. It is located about 25,000 light-years from Earth and contains a number of [[blue stragglers]].<ref>{{cite web|last=Atkinson|first=Nancy|title=Beautiful Star Cluster Looks Surprisingly Youthful |url=http://www.universetoday.com/98277/beautiful-star-cluster-is-surprisingly-youthful/|publisher=University Today|access-date=29 November 2012|date=2012-10-31}}</ref><ref>{{cite web|title=Dazzling star cluster holds some deceptively young stars|url=http://www.nbcnews.com/id/49625522|work=space on NBCnews.com|publisher=space.com|access-date=29 November 2012}}</ref><ref>{{cite web|title=Hubble Sees an Unexpected PopulationofYoung-Looking Stars|url=http://www.nasa.gov/mission_pages/hubble/science/ngc6362.html|work=Hubble telescope|publisher=nasa.gov|access-date=29 November 2012}}</ref> |
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These stars are bluer, more luminous and more massive than they should be after 10 billion years of stellar evolution, and if they had truly formed that long ago, they should have already died. There are only 2 possible explanations for these stars to be the color that they are, and shine as bright as they do and those are; these stars have either stolen mass from companion stars, or are the result of mergers between two stars that collided. NGC 6362 is located about 25 000 light-years from Earth in the constellation of Ara (The Altar). British astronomer James Dunlop first observed this globular cluster on 30 June 1826.Believe it or not these clusters are showing up all over the our galaxy and in a lot of other surrounding galaxies. As we continue to find out more about these cluster we will come up with more ways that these blue stragglers have shown up in these otherwise ancient clusters.<ref>{{cite web|last=Atkinson|first=Nancy|title=Beautiful Star Cluster Looks Surprisingly Youthful |url=http://www.universetoday.com/98277/beautiful-star-cluster-is-surprisingly-youthful/|publisher=University Today|access-date=29 November 2012|date=2012-10-31}}</ref><ref>{{cite web|title=Dazzling star cluster holds some deceptively young stars|url=http://www.nbcnews.com/id/49625522|work=space on NBCnews.com|publisher=space.com|access-date=29 November 2012}}</ref><ref>{{cite web|title=Hubble Sees an Unexpected Population of Young-Looking Stars|url=http://www.nasa.gov/mission_pages/hubble/science/ngc6362.html|work=Hubble telescope|publisher=nasa.gov|access-date=29 November 2012}}</ref> |
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==Gallery== |
==Gallery== |
NGC 6362 | |
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Observation data (J2000 epoch) | |
Class | X[1] |
Constellation | Ara |
Right ascension | 17h31m 54.99s[2] |
Declination | –67° 02′ 54.0″[2] |
Distance | 24.8 kly (7.6 kpc)[3] |
Apparent magnitude (V) | +8.3[4] |
Apparent dimensions (V) | 9' |
Physical characteristics | |
Metallicity | = –0.99[5] dex |
Estimated age | 13.57 Gyr[5] |
Other designations | GCl 66, C 1726-670[6] |
See also: Globular cluster, List of globular clusters |
NGC 6362 is a globular cluster in the constellation Ara, lying close to Apus in the southern sky. A telescope with a 150mm primary mirror is required to resolve the stars within this irregularly shaped cluster.[4] British astronomer James Dunlop first observed the cluster on 30 June 1826. It is located about 25,000 light-years from Earth and contains a number of blue stragglers.[7][8][9]
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Nebulae |
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