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{{Short description|Interacting galaxy in the constellation Draco}}
{{Short description|Interacting galaxy in the constellation Draco}}
{{Infobox galaxy|name=[[New General Catalogue|NGC]] 6622|image=Hubble Interacting Galaxy NGC 6621 (2008-04-24).jpg|image_size=250px|caption=[[Hubble Space Telescope]] image of NGC 6622 (left) and [[NGC 6621]] (center)|epoch=[[Epoch (astronomy)#Julian years and J2000|J2000]]|constellation name=[[Draco (constellation)|Draco]]|ra={{RA|18|12|59.50}}<ref name=":0" />|dec={{DEC|+68|21|19.0}}<ref name=":0" />|z=0.02157±0.00013<ref name=":0" />|dist_ly=313 [[light-year|Mly]] (96.0 M[[Parsec|pc]])<ref name=":0" />|appmag_v=15.0<ref name=":0" />|size_v=.955 x .832<ref name=":0" />|size=219,000 ly|type=G'Sb<ref name=":0" />|names=KCPG 534A,<ref name=":0" /> PGC 61579,<ref name=":0" /> KPG 534b,<ref name=":0" /> LEDA 61579,<ref name=":0" /> UGC 11175 S,<ref name=":0" /> UZC J181259.8+682114<ref name=":0" />|notes=N/A}}'''NGC 6622''' is an [[Interacting galaxy|interacting]] [[spiral galaxy]] in the [[constellation Draco]].<ref name=":0">{{Cite web |title=By Name {{!}} NASA/IPAC Extragalactic Database |url=http://ned.ipac.caltech.edu/byname?objname=NGC+6622&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1 |access-date=2024-01-10 |website=ned.ipac.caltech.edu}}</ref> It is located around 313 million [[Light-year|light-years]] away, and it was discovered by [[Edward D. Swift]] and [[Lewis A. Swift]] on June 2, 1885.<ref name=":0" /><ref name=":1">{{Cite web |title=NGC 6622 - Spiral Galaxy in Draco {{!}} TheSkyLive.com |url=https://theskylive.com/sky/deepsky/ngc6622-object |access-date=2024-01-10 |website=theskylive.com}}</ref> NGC 6622 interacts with NGC 6621, with their closest approach having taken place about 100 million years before the moment seen now.<ref name=":2">{{Cite web |title=NGC 6622 - Galaxy - SKY-MAP |url=http://www.wikisky.org/starview?object_type=2&object_id=25183 |access-date=2024-01-10 |website=www.wikisky.org}}</ref> NGC 6622 and NGC 6621 are included in the [[Atlas of Peculiar Galaxies]] as Arp 81 in the category [[Atlas of Peculiar Galaxies#Spiral galaxies with large high surface brightness companions|"spiral galaxies with large high surface brightness companions"]].<ref name=":3">{{Cite web |last=information@eso.org |title=NGC 6621, NGC 6622 |url=https://www.spacetelescope.org/images/heic0810bd/ |access-date=2024-01-10 |website=www.spacetelescope.org |language=en}}</ref><ref name=":4">{{Cite web |title=Check out what the @NASAHubble Space Telescope looked at on my birthday! #Hubble30 |url=https://imagine.gsfc.nasa.gov/hst_bday/march-15 |access-date=2024-01-10 |website=imagine.gsfc.nasa.gov |language=en}}</ref>
{{Infobox galaxy|name=[[New General Catalogue|NGC]] 6622|image=Hubble Interacting Galaxy NGC 6621 (2008-04-24).jpg|image_size=250px|caption=[[Hubble Space Telescope]] image of NGC 6622 (left) and [[NGC 6621]] (center)|epoch=[[Epoch (astronomy)#Julian years and J2000|J2000]]|constellation name=[[Draco (constellation)|Draco]]|ra={{RA|18|12|59.50}}<ref name=":0" />|dec={{DEC|+68|21|19.0}}<ref name=":0" />|z=0.02157±0.00013<ref name=":0" />|dist_ly=313 [[light-year|Mly]] (96.0 M[[Parsec|pc]])<ref name=":0" />|appmag_v=15.0<ref name=":0" />|size_v=.955 x .832<ref name=":0" />|size=219,000 ly|type=G'Sb<ref name=":0" />|names=KCPG 534A,<ref name=":0" /> PGC 61579,<ref name=":0" /> KPG 534b,<ref name=":0" /> LEDA 61579,<ref name=":0" /> UGC 11175 S,<ref name=":0" /> UZC J181259.8+682114<ref name=":0" />|notes=N/A}}'''NGC 6622''' is an [[Interacting galaxy|interacting]] [[spiral galaxy]] in the [[constellation Draco]].<ref name=":0">{{Cite web |title=By Name {{!}} NASA/IPAC Extragalactic Database |url=http://ned.ipac.caltech.edu/byname?objname=NGC+6622&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1 |access-date=2024-01-10 |website=ned.ipac.caltech.edu}}</ref> It is located around 313 million [[light-year]]s away, and it was discovered by [[Edward D. Swift]] and [[Lewis A. Swift]] on June 2, 1885.<ref name=":0" /><ref name=":1">{{Cite web |title=NGC 6622 - Spiral Galaxy in Draco {{!}} TheSkyLive.com |url=https://theskylive.com/sky/deepsky/ngc6622-object |access-date=2024-01-10 |website=theskylive.com}}</ref> NGC 6622 interacts with NGC 6621, with their closest approach having taken place about 100 million years before the moment seen now.<ref name=":2">{{Cite web |title=NGC 6622 - Galaxy - SKY-MAP |url=http://www.wikisky.org/starview?object_type=2&object_id=25183 |access-date=2024-01-10 |website=www.wikisky.org}}</ref> NGC 6622 and NGC 6621 are included in the [[Atlas of Peculiar Galaxies]] as Arp 81 in the category [[Atlas of Peculiar Galaxies#Spiral galaxies with large high surface brightness companions|"spiral galaxies with large high surface brightness companions"]].<ref name=":3">{{Cite web |last=information@eso.org |title=NGC 6621, NGC 6622 |url=https://www.spacetelescope.org/images/heic0810bd/ |access-date=2024-01-10 |website=www.spacetelescope.org |language=en}}</ref><ref name=":4">{{Cite web |title=Check out what the @NASAHubble Space Telescope looked at on my birthday! #Hubble30 |url=https://imagine.gsfc.nasa.gov/hst_bday/march-15 |access-date=2024-01-10 |website=imagine.gsfc.nasa.gov |language=en}}</ref>


NGC 6622 is the smaller of the two, and is a very disturbed galaxy.<ref name=":4" /><ref name=":0" /> The encounter has left NGC 6622 very deformed, as it was once a spiral galaxy.<ref name=":5">{{Cite web |title=NGC 6621 and NGC 6622 {{!}} SkyCenter |url=https://skycenter.arizona.edu/astrophotography/ngc6621andngc6622 |access-date=2024-01-10 |website=skycenter.arizona.edu}}</ref><ref name=":0" /> The collision has also triggered extensive [[star formation]] between the two galaxies.<ref name=":6">{{Cite web |last=Astronomy |first=Go |title=NGC 6622 {{!}} galaxy in Draco {{!}} NGC List {{!}} GO ASTRONOMY |url=https://www.go-astronomy.com/ngc.php?ID=7058 |access-date=2024-01-10 |website=Go-Astronomy.com |language=en-US}}</ref> The most intense star formation takes place in the region between the two nuclei, where a large population of luminous [[Star cluster|clusters]], also known as [[Super star cluster|super star clusters]], has been observed. At this region is observed the most [[Tidal force|tidal stress]].<ref name=":5" /><ref name=":1" /> The brightest and bluest clusters are less than 100 million years old,<ref name=":1" /> with the youngest being less than 10 million years old.<ref name=":3" /> The side of the galaxy further from the companion features noticeably less star formation activity.<ref name=":2" /><ref name=":0" /><ref name=":6" />
NGC 6622 is the smaller of the two, and is a very disturbed galaxy.<ref name=":4" /><ref name=":0" /> The encounter has left NGC 6622 very deformed, as it was once a spiral galaxy.<ref name=":5">{{Cite web |title=NGC 6621 and NGC 6622 {{!}} SkyCenter |url=https://skycenter.arizona.edu/astrophotography/ngc6621andngc6622 |access-date=2024-01-10 |website=skycenter.arizona.edu}}</ref><ref name=":0" /> The collision has also triggered extensive [[star formation]] between the two galaxies.<ref name=":6">{{Cite web |last=Astronomy |first=Go |title=NGC 6622 {{!}} galaxy in Draco {{!}} NGC List {{!}} GO ASTRONOMY |url=https://www.go-astronomy.com/ngc.php?ID=7058 |access-date=2024-01-10 |website=Go-Astronomy.com |language=en-US}}</ref> The most intense star formation takes place in the region between the two nuclei, where a large population of luminous [[Star cluster|clusters]], also known as [[super star cluster]]s, has been observed. At this region is observed the most [[Tidal force|tidal stress]].<ref name=":5" /><ref name=":1" /> The brightest and bluest clusters are less than 100 million years old,<ref name=":1" /> with the youngest being less than 10 million years old.<ref name=":3" /> The side of the galaxy further from the companion features noticeably less star formation activity.<ref name=":2" /><ref name=":0" /><ref name=":6" />


== References ==
== References ==
{{reflist}}
{{reflist}}


== External Links ==
== External links ==
{{Commons category}}
{{Commons category}}
* More about [http://annesastronomynews.com/tag/ngc-6622/ NGC 6622]
* More about [http://annesastronomynews.com/tag/ngc-6622/ NGC 6622]

Revision as of 03:01, 22 January 2024

NGC 6622
Hubble Space Telescope image of NGC 6622 (left) and NGC 6621 (center)
Observation data (J2000 epoch)
ConstellationDraco
Right ascension18h 12m 59.50s[1]
Declination+68° 21′ 19.0″[1]
Redshift0.02157±0.00013[1]
Distance313 Mly (96.0 Mpc)[1]
Apparent magnitude (V)15.0[1]
Characteristics
TypeG'Sb[1]
Size219,000 ly
Apparent size (V).955 x .832[1]
Notable featuresN/A
Other designations
KCPG 534A,[1] PGC 61579,[1] KPG 534b,[1] LEDA 61579,[1] UGC 11175 S,[1] UZC J181259.8+682114[1]

NGC 6622 is an interacting spiral galaxy in the constellation Draco.[1] It is located around 313 million light-years away, and it was discovered by Edward D. Swift and Lewis A. Swift on June 2, 1885.[1][2] NGC 6622 interacts with NGC 6621, with their closest approach having taken place about 100 million years before the moment seen now.[3] NGC 6622 and NGC 6621 are included in the Atlas of Peculiar Galaxies as Arp 81 in the category "spiral galaxies with large high surface brightness companions".[4][5]

NGC 6622 is the smaller of the two, and is a very disturbed galaxy.[5][1] The encounter has left NGC 6622 very deformed, as it was once a spiral galaxy.[6][1] The collision has also triggered extensive star formation between the two galaxies.[7] The most intense star formation takes place in the region between the two nuclei, where a large population of luminous clusters, also known as super star clusters, has been observed. At this region is observed the most tidal stress.[6][2] The brightest and bluest clusters are less than 100 million years old,[2] with the youngest being less than 10 million years old.[4] The side of the galaxy further from the companion features noticeably less star formation activity.[3][1][7]

References

  1. ^ a b c d e f g h i j k l m n o p q r "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-01-10.
  2. ^ a b c "NGC 6622 - Spiral Galaxy in Draco | TheSkyLive.com". theskylive.com. Retrieved 2024-01-10.
  3. ^ a b "NGC 6622 - Galaxy - SKY-MAP". www.wikisky.org. Retrieved 2024-01-10.
  4. ^ a b information@eso.org. "NGC 6621, NGC 6622". www.spacetelescope.org. Retrieved 2024-01-10.
  5. ^ a b "Check out what the @NASAHubble Space Telescope looked at on my birthday! #Hubble30". imagine.gsfc.nasa.gov. Retrieved 2024-01-10.
  6. ^ a b "NGC 6621 and NGC 6622 | SkyCenter". skycenter.arizona.edu. Retrieved 2024-01-10.
  7. ^ a b Astronomy, Go. "NGC 6622 | galaxy in Draco | NGC List | GO ASTRONOMY". Go-Astronomy.com. Retrieved 2024-01-10.
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