NGC 3558

NGC 3558
HST image of NGC 3558 and LEDA 83465.
Observation data (J2000 epoch)
ConstellationUrsa Major
Right ascension11h 10m 55.9s[1]
Declination28° 32′ 38″[1]
Redshift0.032139[1]
Heliocentric radial velocity9635 km/s[1]
Distance440 Mly (135 Mpc)[1]
Group or clusterAbell 1185
Apparent magnitude (V)14.3[1]
Characteristics
TypeE2,[2] S0p[1]
Size~170,000 ly (53 kpc) (estimated)[1]
Apparent size (V)0.97 x 0.86[1]
Other designations
CGCG 155-89, CGCG 156-10, MCG 5-27-8, Mrk 422, PGC 33960[1]

NGC 3558 is an elliptical[2][3] or a lenticular galaxy located 440 million light-years away[4] in the constellation Ursa Major.[5] It was discovered by the astronomer Heinrich d'Arrest on April 15, 1866.[6] It is a member of the galaxy cluster Abell 1185[7] and is classified as a LINER galaxy.[2][3]

  1. ^ a b c d e f g h i j "NASA/IPAC Extragalactic Database". Results for NGC 3558. Retrieved October 29, 2018.
  2. ^ a b c "NGC 3558". Retrieved October 31, 2018.
  3. ^ a b "HyperLeda -object description". leda.univ-lyon1.fr. Retrieved October 31, 2018.
  4. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved October 31, 2018.
  5. ^ "Revised NGC Data for NGC 3558". spider.seds.org. Retrieved October 31, 2018.
  6. ^ "New General Catalog Objects: NGC 3550 - 3599". cseligman.com. Retrieved October 31, 2018.
  7. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved November 1, 2018.
    - "NGC 3558". Retrieved November 1, 2018.
    - "Hierarchy catalogue". leda.univ-lyon1.fr. Retrieved November 1, 2018.