NGC 517

NGC 517
NGC 517
NGC 517 and NGC 515 as seen on SDSS
Observation data (J2000[1] epoch)
ConstellationPisces[2]
Right ascension01h 24m 43.8s[3]
Declination+33° 25′ 46″[3]
Redshift0.014003 ± 0.000193[1]
Heliocentric radial velocity(4169 ± 58) km/s[1]
Distance188 Mly[4]
Apparent magnitude (V)12.5[2]
Apparent magnitude (B)13.5[2]
Characteristics
TypeS0[2]
Apparent size (V)1.4' × 0.5'[2]
Other designations
PGC 5214, UGC 960, GC 301, MGC +05-04-054, 2MASS J01244381+3325465, h 114[1][5]
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NGC 517, also occasionally referred to as PGC 5214 or UGC 960, is a lenticular galaxy located approximately 188 million light-years from the Solar System[4] in the constellation Pisces.[2] It was discovered on 13 September 1784 by astronomer William Herschel.[5]

  1. ^ a b c d "NGC 517". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-12-09.
  2. ^ a b c d e f "Revised NGC Data for NGC 517". spider.seds.org. Retrieved 2017-10-05.
  3. ^ a b "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-10-05.
  4. ^ 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
  5. ^ a b "New General Catalog Objects: NGC 500 - 549". cseligman.com. Retrieved 2017-10-16.