“NGC 2992”的意思、由来-开放百科全书

词条

NGC 2992

释义

References
External links

{{Infobox galaxy|name=NGC 2992|image=|caption=NGC 2992 (right) with its partner, NGC 2993 (left).|epoch=J2000|ra={{RA|09|45|42.0}}^[1]|dec={{DEC|-14|19|35}}^[1]|constellation name=Hydra|z=0.007710^[1]|gal_v={{nowrap|2311 km/s}}^[1]|type=Sa^[5]|appmag_v=12.2^[2]|names=NGC 2992}}NGC 2992 is a Seyfert galaxy^[3] located in the constellation Hydra. It was discovered in 1785 by William Herschel.^[2] It has a close companion, NGC 2993.

References

1. ^¹²³{{cite web | title=NASA/IPAC Extragalactic Database | work=Results for NGC 0450 | url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+2992&img_stamp=yes&extend=no | accessdate=2017-05-25}}
2. ^¹²{{cite web|url=http://www.ngcicproject.org/NGC/NGC_29xx/NGC_2992.htm|title=NGC/IC Project Restoration Effort|work=NGC2992|accessdate=2017-05-25}}
3. ^{{cite simbad|title=NGC 2992|accessdate=2017-05-25}}

External links

4 : Seyfert galaxies|Galaxy stubs|NGC objects|Galaxies discovered in 1785

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