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Galaxy in the constellation Hydra From Wikipedia, the free encyclopedia
NGC 5260 is a barred spiral galaxy in the constellation of Hydra. Its velocity with respect to the cosmic microwave background is 6789 ± 21 km/s, which corresponds to a Hubble distance of 100.13 ± 7.02 Mpc (∼327 million light-years).[1] It was discovered by American astronomer Lewis Swift on 6 April 1885.[2]
| NGC 5260 | |
|---|---|
The barred spiral galaxy NGC 5260. | |
| Observation data (J2000 epoch) | |
| Constellation | Hydra |
| Right ascension | 13h 40m 19.9s[1] |
| Declination | −23° 51′ 29.1″[1] |
| Redshift | 0.021688 [1] |
| Heliocentric radial velocity | 6502 ± 7 km/s[1] |
| Distance | 326.6 ± 22.9 Mly (100.13 ± 7.02 Mpc)[1] |
| Apparent magnitude (V) | 12.8[1] |
| Characteristics | |
| Type | SB(s)c[1] |
| Size | ~248,900 ly (76.32 kpc) (estimated)[1] |
| Apparent size (V) | 1.6' x 1.4'[1] |
| Other designations | |
| IRAS 13375-2336, 2MASX J13401990-2351291, MCG -04-32-050, PGC 48371, ESO 509- G 092[1] | |
According to the SIMBAD database, NGC 5260 is a Seyfert II galaxy, i.e. it has a quasar-like nuclei with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, the host galaxy is clearly detectable.[3]
Two supernovae have been observed in NGC 5260: SN 2022jkx (type Ib, mag. 18.8)[4] and SN 2023dtd (type II, mag. 18.5).[5]
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