Astronomy:NGC 3443
From HandWiki
| NGC 3443 | |
|---|---|
 NGC 3443 imaged by Legacy Surveys | |
| Observation data (J2000 epoch) | |
| Constellation | Leo |
| Right ascension | 10h 53m 00.1481s[1] |
| Declination | +17° 34′ 26.497″[1] |
| Redshift | 0.003776[1] |
| Helio 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′ × 1.4′[1] |
| Other designations | |
| UGC 6000, MCG+03-28-025, PGC 32671[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. 18.098) was discovered by ATLAS on March 15, 2024.[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
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 "Results for object NGC 3443". NASA and Caltech. https://ned.ipac.caltech.edu/byname?objname=NGC+3443.
- ↑ "SN 2024ehs". IAU. https://www.wis-tns.org/object/2024ehs.
- ↑ 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.
External links
- NGC 3443 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
 |  |
