NGC 3443

NGC 3443
The spiral galaxy NGC 3443.
Observation data (J2000 epoch)
ConstellationLeo
Right ascension10h 53m 00.12s[1]
Declination+17° 34′ 25.1″[1]
Redshift0.003776[1]
Heliocentric radial velocity1132 ± 1 km/s[1]
Distance70.6 ± 5.1 Mly (21.66 ± 1.56 Mpc)[1]
Apparent magnitude (V)13.1[1]
Characteristics
TypeSAd[1]
Size~68,000 ly (20.8 kpc) (estimated)[1]
Apparent size (V)2.8' x 1.4'[1]
Other designations
2MASX J10530011+1734250, UGC 6000, MCG +03-28-025, PGC 32671, CGCG 095-056[1]

NGC 3443 is a spiral galaxy in the constellation of Leo. Its velocity with respect to the cosmic microwave background is 1468 ± 24 km/s, which corresponds to a Hubble distance of 21.66 ± 1.56 Mpc (∼70.6 million light-years).[1] It was discovered by American astronomer Lewis Swift on April 24, 1887.

One supernova has been observed in NGC 3443: SN 2024ehs (type II, mag. 18.1).[2]

NGC 3370 Group

According to A.M. Garcia, the galaxy NGC 3443 is a member of the NGC 3370 group (also known as LGG 219) that includes NGC 3370, NGC 3454, NGC 3455, and UGC 5945.[3]

See also

References

  1. ^ a b c d e f g h i j k "NASA/IPAC Extragalactic Database". Results for NGC 3443. Retrieved July 29, 2024.
  2. ^ Transient Name Server entry for SN 2024ehs. Retrieved July 29, 2024.
  3. ^ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G.