Astronomy:NGC 218

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Short description: Galaxy in the constellation Andromeda
UGC 480
N218s.jpg
UGC 480 (right) interacting with PGC 2726
Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona
Observation data (J2000 epoch)
ConstellationAndromeda
Right ascension 00h 46m 32.0s[1]
Declination+36° 19′ 32″[1]
Redshift0.037426[1]
Distance~500 Mly[2]
Apparent magnitude (V)13.50[1]
Apparent magnitude (B)13.6[3]
Characteristics
TypeS[1]
Apparent size (V)1.5' × 1.2'[1]
Other designations
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]

NGC 218, also known as 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

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "NASA/IPAC Extragalactic Database". Results for NGC 0218. 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. 
  2. ↑ 2.0 2.1 An object's distance from Earth can be determined 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. ↑ "UGC 480". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=UGC+480. 
  4. ↑ "New General Catalog Objects: NGC 200 - 249". Cseligman. http://cseligman.com/text/atlas/ngc2.htm#218. 

External links


Coordinates: Sky map 00h 46m 32.0s, 36° 19′ 32″



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