NGC 217
Appearance
NGC 217 | |
---|---|
SDSS view of NGC 217 | |
Observation data (J2000 epoch) | |
Constellation | Cetus |
Right ascension | 00h 41m 33.9s[1] |
Declination | −10° 01′ 17″[1] |
Redshift | 0.013262[1] |
Distance | 178 Mly[2] |
Apparent magnitude (V) | 13.0g[1] |
Characteristics | |
Type | S0/a[1] |
Apparent size (V) | 2.05' × 0.68'[1] |
Other designations | |
MCG -02-02-085, 2MASX J00413390-1001169, 2MASXi J0041339-100117, IRAS F00390-1017, 6dF J0041339-100117, PGC 2482.[1] |
NGC 217 is a spiral or lenticular galaxy located approximately 178 light-years from the Solar System[2] in the constellation Cetus. It was discovered on November 28, 1785 by William Herschel.[3]
See also
[edit]References
[edit]- ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for NGC 0217. Retrieved 2016-09-02.
- ^ a b 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
- ^ "New General Catalog Objects: NGC 200 - 249". Cseligman. Retrieved September 15, 2016.
External links
[edit]Media related to NGC 217 at Wikimedia Commons
- NGC 217 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS