NGC 3443
| NGC 3443 | |
|---|---|
 The spiral galaxy NGC 3443. | |
| Observation data (J2000 epoch) | |
| Constellation | Leo |
| Right ascension | 10h 53m 00.12s[1] |
| Declination | +17° 34′ 25.1″[1] |
| Redshift | 0.003776[1] |
| Heliocentric radial velocity | 1132 ± 1 km/s[1] |
| Distance | 70.6 ± 5.1 Mly (21.66 ± 1.56 Mpc)[1] |
| Apparent magnitude (V) | 13.1[1] |
| Characteristics | |
| Type | SAd[1] |
| Size | ~68,000 ly (20.8 kpc) (estimated)[1] |
| Apparent size (V) | 2.8' x 1.4'[1] |
| Other designations | |
| PGC 32671, UGC 6000, CGCG 095-056, MCG +03-28-025, 2MASX J10530011+1734250[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
[edit]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
[edit]References
[edit]- ^ a b c d e f g h i j k "NASA/IPAC Extragalactic Database". Results for NGC 3443. Retrieved July 29, 2024.
- ^ Transient Name Server entry for SN 2024ehs. Retrieved July 29, 2024.
- ^ A.M. Garcia, "General study of group membership. II – Determination of nearby groups", Astronomy and Astrophysics Supplement Series, vol. 100 #1, July 1993, pp. 47–90 (Bibcode 1993A&AS.. 100...47G) Retrieved July 29, 2024.
External links
[edit]
Media related to NGC 3443 at Wikimedia Commons- NGC 3443 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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