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NGC 6078

From Wikipedia, the free encyclopedia
Galaxy in the constellation Hercules
NGC 6078
The elliptical galaxy NGC 6078
Observation data (J2000 epoch)
Constellation Hercules
Right ascension 16h 12m 05.4433s[1]
Declination +14° 12′ 31.567″[1]
Redshift 0.031282[1]
Heliocentric radial velocity 9378 ± 44 km/s[1]
Distance 455.1 ± 32.0 Mly (139.52 ± 9.81 Mpc)[1]
Apparent magnitude (V)15.2[1]
Characteristics
Type E0[1]
Size~168,800 ly (51.74 kpc) (estimated)[1]
Apparent size (V)0.5′ ×ばつ 0.5′[1]
Other designations
2MASX J16120546+1412317, MCG +02-41-017, PGC 57460, CGCG 079-076[1]

NGC 6078 is an elliptical galaxy in the constellation of Hercules. Its velocity with respect to the cosmic microwave background is 9459 ± 44 km/s, which corresponds to a Hubble distance of 139.52 ± 9.81 Mpc (∼455 million light-years).[1] It was discovered by French astronomer Édouard Stephan on 21 June 1876.[2]

Very close to NGC 6078 are the galaxies PGC 57459 and SDSS J161206.68+141210.3.[2]

One supernova has been observed in NGC 6078: SN 2011dv (type Ia, mag 16.2) was discovered by the Italian Supernovae Search Project on 28 June 2011.[3] [4]

See also

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References

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  1. ^ a b c d e f g h i j k "Results for object NGC 6078". NASA/IPAC Extragalactic Database. NASA and Caltech . Retrieved 5 August 2024.
  2. ^ a b Seligman, Courtney. "New General Catalogue Objects: NGC 6078". Celestial Atlas. Retrieved 15 December 2024.
  3. ^ Ciabattari, F.; et al. (2011). "Supernova 2011dv in NGC 6078 = PSN J16120400+1412330". Central Bureau Electronic Telegrams. 2755: 1. Bibcode:2011CBET.2755....1C.
  4. ^ "SN 2011dv". Transient Name Server. IAU . Retrieved 15 December 2024.
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