NGC 6308 | |
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The intermediate spiral galaxy NGC 6308 | |
Observation data (J2000 epoch) | |
Constellation | Hercules |
Right ascension | 17 11 59.6895 |
Declination | +23° 22′ 48.37″ |
Redshift | 0.029402 |
Heliocentric radial velocity | 8814 ± 3 km/s |
Distance | 423.2 ± 29.6 Mly (129.74 ± 9.08 Mpc) |
Apparent magnitude (V) | 13.4 |
Characteristics | |
Type | SAB(rs)c? |
Size | ~198,600 ly (60.89 kpc) (estimated) |
Apparent size (V) | 1.1′ × 1.0′ |
Other designations | |
IRAS 17099+2326, 2MASX J17115972+2322483, UGC 10747, MCG +04-40-021, PGC 59807, CGCG 139-043 |
NGC 6308 is a large intermediate spiral galaxy in the constellation of Hercules. Its velocity with respect to the cosmic microwave background is 8797 ± 3 km/s, which corresponds to a Hubble distance of 129.74 ± 9.08 Mpc (∼423 million light-years). It was discovered by German astronomer Albert Marth on 6 June 1863.
NGC 6308 has been identified as field galaxy, i.e. it does not belong to a cluster or group.
One supernova has been observed in NGC 6308: SN 2023oyz (type Ic, mag 20.4214) was discovered by the Zwicky Transient Facility on 9 August 2023.
See also
References
- ^ "Results for object NGC 6308". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 6 August 2024.
- Seligman, Courtney. "New General Catalogue Objects: NGC 6308". Celestial Atlas. Retrieved 15 December 2024.
- Vettolani, G.; De Souza, R.; Chincarini, G. (1986). "Isolated galaxies". Astronomy and Astrophysics. 154: 343. Bibcode:1986A&A...154..343V.
- "SN 2023oyz". Transient Name Server. IAU. Retrieved 15 December 2024.
External links
- Media related to NGC 6308 at Wikimedia Commons
- NGC 6308 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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Constellation of Hercules | |||||||||||||
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