NGC 7427 is a lenticular galaxy in the constellation of Pegasus. Its velocity with respect to the cosmic microwave background is 9336 ± 35 km/s, which corresponds to a Hubble distance of 137.70 ± 9.66 Mpc (∼449 million light-years).[1] It was discovered by Russian astronomer Otto Wilhelm von Struve on 22 November 1865.[2]
| NGC 7427 | |
|---|---|
 The lenticular galaxy NGC 7427. | |
| Observation data (J2000 epoch) | |
| Constellation | Pegasus |
| Right ascension | 22h 57m 09.921s[1] |
| Declination | +08° 30′ 20.078″[1] |
| Redshift | 0.032376[1] |
| Heliocentric radial velocity | 9706 ± 24 km/s[1] |
| Distance | 449.1 ± 31.5 Mly (137.70 ± 9.66 Mpc)[1] |
| Apparent magnitude (V) | 15.1[1] |
| Characteristics | |
| Type | SO[1] |
| Size | ~97,100 ly (29.76 kpc) (estimated)[1] |
| Apparent size (V) | 0.7' x 0.7'[1] |
| Other designations | |
| 2MASX J22570990+0830200, MCG +01-58-016, PGC 70091, CGCG 405-018[1] | |
Two supernovae have been observed in NGC 7427: SN 2019uzd (type Ia, mag 18.9)[3] and SN 2023uma (type Ia, mag 18.1).[4]
See also
editReferences
edit- ^ a b c d e f g h i j k "NASA/IPAC Extragalactic Database". Results for NGC 7427. Retrieved 3 August 2024.
- ^ Celestial Atlas entry for NGC 7427. Retrieved 3 August 2024.
- ^ Transient Name Server entry for SN 2019uzd. Retrieved 3 August 2024.
- ^ Transient Name Server entry for SN 2023uma. Retrieved 3 August 2024.
External links
edit
Media related to NGC 7427 at Wikimedia Commons- NGC 7427 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
