| 词条 | NGC 218 |
| 释义 |
| name = UGC 480 | image = N218s.jpg | image_size = 280px | caption = UGC 480 (right) interacting with PGC 2726 Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona | epoch = J2000 | ra = {{RA|00|46|32.0}}[1] | dec = {{DEC|+36|19|32}}[1] | constellation name = Andromeda | z = 0.037426[1] | dist_ly =~500 Mly[2] | type = S[1] | appmag_b = 13.6[3] | appmag_v = 13.50[1] | size_v = 1.5' × 1.2'[1] | notes = | names = UGC 480, UGC 480 W, CGCG 519-021, MCG +06-02-016, VV 527A, KPG 16A, 2MASX J00463200+3619318, 2MASXi J0046319+361932, IRAS 00438+3603, F00437+3603, PGC 2720.[1] }}UGC 480 is a spiral galaxy located approximately 500 million light-years from the Sun[2] in the constellation Andromeda. It was discovered on October 17, 1876 by Édouard Stephan, and is interacting with the galaxy PGC 2726.[4] See also
External links
References1. ^1 2 3 4 5 6 {{cite web | title=NASA/IPAC Extragalactic Database | work=Results for NGC 0218 | url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+218&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES | accessdate=2016-09-02}} {{Ngc5}}{{Catalogs|PGC=2720|UGC=480|NGC=218}}{{Sky|00|46|32.0||36|19|32|190000000}}2. ^1 An object's distance from Earth can be determinded using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho 3. ^{{cite simbad|title=UGC 480|access-date=21 February 2017}} 4. ^{{cite web|title=New General Catalog Objects: NGC 200 - 249|url=http://cseligman.com/text/atlas/ngc2.htm#218|publisher=Cseligman|accessdate=September 10, 2016}} 6 : NGC objects|Spiral galaxies|Interacting galaxies|UGC objects|Principal Galaxies Catalogue objects|Astronomical objects discovered in 1876 |
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