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NGC 1954

NGC 1954
Spiral galaxy NGC 1954
Observation data (J2000 epoch)
ConstellationLepus
Right ascension05h 32m 48.3509s[1]
Declination−14° 03′ 45.625″[1]
Redshift0.010437[1]
Heliocentric radial velocity3129 ± 2 km/s[1]
Distance152.6 ± 10.7 Mly (46.79 ± 3.28 Mpc)[1]
Apparent magnitude (V)11.8[1]
Characteristics
TypeSA(rs)bc pec?[1]
Size~192,000 ly (58.87 kpc) (estimated)[1]
Apparent size (V)4.2' x 2.0'[1]
Other designations
IRAS 05305-1405, 2MASX J05324835-1403460, MCG -02-15-003, PGC 17422[1]

NGC 1954 is a large spiral galaxy in the constellation of Lepus. Its velocity with respect to the cosmic microwave background is 3,172 ± 4 km/s, which corresponds to a Hubble distance of 46.8 ± 3.3 Mpc Mpc (∼153 million light-years).[1] It was discovered by German-British astronomer William Herschel on 14 December 1786.[2]

Supernovae

Three supernovae have been observed in NGC 1954:

See also

References

  1. ^ a b c d e f g h i j k "Results for object NGC 1954". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 24 July 2024.
  2. ^ Seligman, Courtney. "New General Catalogue Objects: NGC 1954". Celestial Atlas. Retrieved 13 December 2024.
  3. ^ Leonini, S.; Brimacombe, J. (2010). "Possible supernova in NGC 1954". Central Bureau Electronic Telegrams. 2569: 1. Bibcode:2010CBET.2569....1L.
  4. ^ "SN 2010ko". Transient Name Server. IAU. Retrieved 13 December 2024.
  5. ^ Nakano, S.; Foley, R. J. (2011). "Supernova 2011fi in NGC 1954 = PSN J05325279-1405170". Central Bureau Electronic Telegrams. 2800: 1. Bibcode:2011CBET.2800....1N.
  6. ^ "SN 2011fi". Transient Name Server. IAU. Retrieved 13 December 2024.
  7. ^ Brimacombe, J.; Prieto, J. L.; Stanek, K. Z.; Shappee, B. J.; Kochanek, C. S.; Holoien, T. W. -S.; Basu, U.; Beacom, J. F.; Szczygiel, D.; Pojmanski, G.; Dubberley, M.; Elphick, M.; Foale, S.; Hawkins, E.; Mullens, D.; Rosing, W.; Ross, R.; Walker, Z.; Pandya, V.; Jha, S. W.; McCully, C.; Patel, B.; Camacho, Y.; Vaisanen, P. (2013). "Supernova 2013ex in NGC 1954". Central Bureau Electronic Telegrams. 3635: 1. Bibcode:2013CBET.3635....1B.
  8. ^ "SN 2013ex". Transient Name Server. IAU. Retrieved 13 December 2024.
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