“NGC 2266”的意思、由来-开放百科全书

词条

NGC 2266

释义

References
External links

{{ Infobox open cluster
| name = NGC 2266
| image = NGC2266 - SDSS DR14 (panorama).jpg
|caption = SDSS (Sloan Digital Sky Survey) image
| epoch = J2000
| class =
| constellation = Gemini
| ra = {{RA|06|43|20.2}}^[1]
| dec = {{DEC|+26|59|06}}^[1]
| dist_ly = 11,000 ly
| dist_pc = 3,400 pc
| appmag_v = 9.5^[1]
| size_v =
| mass_kg =
| mass_msol =
| radius_ly = 16.1 ly
| v_hb =
| age = ~631 Myr
| notes =
| names = Cr 113, Mel 50, Lund 250
}}NGC 2266 is an open cluster^[4] in the constellation Gemini. Its apparent size is 5 arc minutes.^[2] Its distance is {{convert|3400|pc}}.^[3] It was discovered by German-British astronomer William Herschel on 7 December 1785.^[2]

References

1. ^¹²{{Citation | last = SIMBAD | authorlink = SIMBAD | title = Results for NGC 2266 | journal = | date = April 30, 2018 | publisher = SIMBAD, Centre de Données Astronomiques de Strasbourg | url = http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=NGC+2266}}
2. ^¹{{Cite web|url=http://cseligman.com/text/atlas/ngc22a.htm#2266|title=NGC Objects: NGC 2250 - 2299|accessdate=14 February 2019|website=cseligman.com|author=Seligman, Courtney}}
3. ^¹{{cite web|url=http://www.univie.ac.at/webda/cgi-bin/ocl_page.cgi?cluster=NGC+2266|title= WEBDA page for open cluster NGC 2266, A site Devoted to Stellar Clusters in the Galaxy and the Magellanic Clouds|publisher=University of Vienna|accessdate=February 8, 2018}}

External links

{{Commonscat-inline}}
{{APOD |date=29 April 1999|title=NGC 2266: Old Cluster in the New General Catalog}}
{{APOD |date=19 March 2005|title=NGC 2266: Old Cluster in the New General Catalog}}
{{WikiSky}}

4 : NGC objects|Open clusters|Gemini (constellation)|Astronomical objects discovered in 1785

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