NGC 5502

NGC 5502
SDSS image of NGC 5502
Observation data (J2000 epoch)
ConstellationUrsa Major
Right ascension14h 09m 33.9s
Declination+60° 24′ 34.3″
Redshift0.02940
Heliocentric radial velocity8684 km/s
Galactocentric velocity8949 km/s
Distance400 ± 28 Mly
(122.6 ± 8.6 Mpc)
Apparent magnitude (V)15.9
Absolute magnitude (V)-19.5
Characteristics
TypeSa D
Apparent size (V)0.63' x 0.29'
Other designations
MCG +10-20-077, PGC 50508

NGC 5502 (also known as NGC 5503) is a spiral galaxy in the constellation of Ursa Major, registered in New General Catalogue (NGC).

Observation history

NGC 5502 was discovered by Edward Swift (father) on 9 May 1885 and later double listed by Lewis Swift (son) two days later on 11 May 1885 as NGC 5503. They gave descriptions "between two stars, one a wide double" and "forms with two stars a right triangle" respectively. In the New General Catalogue, John Louis Emil Dreyer described the galaxy as "most extremely faint, very small, round, very difficult, 2 stars near". The apparent difference in positions (2 arcmin) could have caused the confusions between NGC 5502 and NGC 5503.

Notes

  1. ↑ Calculated from Galactocentric GSR Distance modulus

References

  1. 1 2 3 4 5 6 "NGC 5502". SIMBAD. Archived from the original on 29 November 2022. Retrieved 30 November 2022.
  2. 1 2 3 4 5 6 "Results for object NGC 5502". NASA/IPAC Extragalactic Database. Retrieved 4 December 2022.
  3. 1 2 3 4 5 Seligman, Courtney. "NGC 5502 (= PGC 50508 = NGC 5503)". Seligman website. Retrieved 5 December 2022.
  4. 1 2 "NGC 5502". Deep Sky Observer's Companion – the online database. Archived from the original on 11 March 2016. Retrieved 6 December 2022.