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NGC 1954
Spiral galaxy NGC 1954
Observation data (J2000 epoch)
Constellation	Lepus
Right ascension	05 32 48.3509
Declination	−14° 03′ 45.625″
Redshift	0.010437
Heliocentric radial velocity	3129 ± 2 km/s
Distance	152.6 ± 10.7 Mly (46.79 ± 3.28 Mpc)
Apparent magnitude (V)	11.8
Characteristics
Type	SA(rs)bc pec?
Size	~192,000 ly (58.87 kpc) (estimated)
Apparent size (V)	4.2' x 2.0'
Other designations
IRAS 05305-1405, 2MASX J05324835-1403460, MCG -02-15-003, PGC 17422

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). It was discovered by German-British astronomer William Herschel on 14 December 1786.

Supernovae

Three supernovae have been observed in NGC 1954:

• SN 2010ko (type Ia, mag. 16.8) was discovered by Simone Leonini on 5 December 2010.
• SN 2011fi (type II, mag. 17.8), was discoverd by Kōichi Itagaki on 27 August 2011.
• SN 2013ex (type Ia, mag. 15.6) was discovered by the All Sky Automated Survey for SuperNovae (ASAS-SN) on 19 August 2013.

See also

• List of NGC objects (1001–2000)

References

1. ^ "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.

External links

• Media related to NGC 1954 at Wikimedia Commons
• NGC 1954 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

v t e Constellation of Lepus
Lepus in Chinese astronomy List of star names in Lepus List of stars in Lepus
Stars	Bayer α (Arneb) β (Nihal) γ δ ε ζ η θ ι κ λ μ ν Flamsteed 1 8 10 12 17 19 4 Mon Variable R T RX AF AK HR 1621 1762 HD 31527 32450 32667 33142 33283 Other 2MASS J0523−1403 Gliese 229 WASP-49 WASP-61
Exoplanets HD 33283 b
Star clusters Messier 79
Nebulae Abell 7 IC 418
Galaxies	NGC 1964 1979 1993 2139 Other IRAS 06076-2139 PKS 0454-234
Category

• NGC objects
• Principal Galaxies Catalogue objects
• IRAS catalogue objects
• Lepus (constellation)
• Astronomical objects discovered in 1786
• Discoveries by William Herschel
• MCG objects
• Spiral galaxies