imported>Cewbot：清理跨語言連結NGC 2336成為內部連結:編輯摘要的紅色內部連結乃正常現象，經繁簡轉換後存在，非bot錯誤編輯 (本次機械人作業已完成32.2%)

2024-01-13T18:26:02Z

清理跨語言連結NGC 2336成為內部連結:編輯摘要的紅色內部連結乃正常現象，經繁簡轉換後存在，非bot錯誤編輯 (本次機械人作業已完成32.2%)

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{{Infobox Galaxy
| name = [[星雲和星團新總表|NGC]] 6744
[[File:Wide Field Imager view of a Milky Way look-alike NGC 6744.jpg|300px]]
| caption = [[歐洲南天天文台#MPG.2FESO 2.2-metre Telescope|廣視野照相機]]所攝外觀與[[銀河系]]非常相似的NGC 6744。創建者：[[歐洲南天天文台]]
| epoch = [[J2000]]
| type = SAB(r)bc<ref name="ned">{{cite web
| title=NASA/IPAC Extragalactic Database
| work=Results for NGC 6744
| url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+6744&img_stamp=yes&extend=no
| accessdate=2006-08-31
| archive-date=2003-06-08
| archive-url=https://web.archive.org/web/20030608003519/http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+6744&extend=no&img_stamp=YES
| dead-url=no
}}</ref> II{{Fact|date=February 2007}}
| ra = {{RA|19|09|46.1}}<ref name="ned" />
| dec = {{DEC|-63|51|27}}<ref name="ned" />
| z = 0.002805<ref name=ned/>
| h_radial_v = {{nowrap|841 ± 2 km/s}}<ref name=ned/>
| dist_ly = 3,100萬 ± 520萬[[光年]]<br />{{nowrap|(950萬 ± 160萬[[秒差距]])}}<ref name=ned-dist>{{cite web
|title=Distance Results for NGC 6744
|work=NASA/IPAC Extragalactic Database
|url=http://nedwww.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+6744
|accessdate=2010-06-19
|archive-date=2020-01-04
|archive-url=https://web.archive.org/web/20200104004911/http://nedwww.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+6744
|dead-url=no
}}</ref>
| appmag_v = 9.14<ref name="ned" />
| size_v = 20′.0×12′.9<ref name="ned" />
| constellation name = [[孔雀座]]
| names = [[Principal Galaxies Catalogue|PGC]] 62836
}}

'''NGC 6744'''是位於[[孔雀座]]的一個[[中間螺旋星系]]，距離[[地球]]大約3,000萬[[光年]] <ref name=ned-dist/>。它被認為是類似[[銀河系]]的眾多螺旋星系中最接近的之一，有著絮結的 (蓬鬆的) 旋臂和細長的核心。它至少還有一個被扭曲的衛星星系 (NGC 6744A)，外觀上類似[[大麥哲倫星系]]<ref name=ned-NGC6744A>{{cite web
|title=NASA/IPAC Extragalactic Database
|work=Results for NGC 6744A
|url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+6744A&img_stamp=yes&extend=no
|accessdate=2010-06-19
|archive-date=2019-12-07
|archive-url=https://web.archive.org/web/20191207175950/http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+6744A&img_stamp=yes&extend=no
|dead-url=no
}}</ref>。

2005年在NGC 6744內發現一顆超新星<ref name="mobberley">{{cite book |title=The Caldwell Objects And How to Observe Them |first=Martin |last=Mobberley |authorlink=Martin Mobberley |pages=208–09|url=https://books.google.com/books?id=amPrWoOWgHcC&pg=PA208 |publisher=Springer |year=1999 |isbn=978-1-4419-0326-6}}</ref>。

NGC 6744是[[室女座超星系團]]的成員星系<ref name="fouqueetal1992">{{cite journal | author=P. Fouque | author2=E. Gourgoulhon | author3=P. Chamaraux | author4=G. Paturel| title=Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members | journal=Astronomy and Astrophysics Supplement | date=1992 | volume=93 | pages=211–233 | bibcode=1992A&AS...93..211F}}</ref><ref>{{Cite web|url=http://ned.ipac.caltech.edu/level5/Dev2/frames.html|title=Nearby Groups of Galaxies|website=ned.ipac.caltech.edu|access-date=2018-05-04|archive-date=2019-02-27|archive-url=https://web.archive.org/web/20190227015942/http://ned.ipac.caltech.edu/level5/Dev2/frames.html|dead-url=no}}</ref>。

== 圖集 ==
<gallery>
File:Ngc 6744.jpg|使用[[南非大望遠鏡|SALT]]看見的螺旋星系NGC 6744。
File:NGC 6744 GALEX WikiSky.jpg|[[星系演化探測器]]拍攝的NGC 6744。
</gallery>

== 相關條目 ==
* [[NGC 2336]]：另一個體積和形狀相近的螺旋星系。
* [[NGC 1232]]

== 參考資料 ==
{{reflist}}

== 外部連結 ==
{{commonscat}}
* [https://web.archive.org/web/20080721034305/http://www.aao.gov.au/images/captions/aatccd006.html NGC 6744, a Milky Way-like spiral galaxy]
* [http://www.spiegelteam.de/ngc6744.htm NGC 6744 (Pav)]{{Wayback|url=http://www.spiegelteam.de/ngc6744.htm |date=20110604125705 }}
* [http://wise.ssl.berkeley.edu/gallery_NGC6744.html June 4, 2010 - A Sibling of the Milky Way]{{Wayback|url=http://wise.ssl.berkeley.edu/gallery_NGC6744.html |date=20101210093151 }} ([[Wide-field Infrared Survey Explorer|Wise]] image of NGC 6744)
* {{WikiSky}}

{{科德韋爾天體}}

[[Category:螺旋星系]]
[[Category:中間螺旋星系]]
[[Category:孔雀座NGC天體|6744]]
[[Category:PGC天體|62836]]
[[Category:科德韋爾天體|101b]]

NGC 6744 - 版本历史

imported>Cewbot：​清理跨語言連結NGC 2336成為內部連結:編輯摘要的紅色內部連結乃正常現象，經繁簡轉換後存在，非bot錯誤編輯 (本次機械人作業已完成32.2%)

imported>Cewbot：清理跨語言連結NGC 2336成為內部連結:編輯摘要的紅色內部連結乃正常現象，經繁簡轉換後存在，非bot錯誤編輯 (本次機械人作業已完成32.2%)