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NGC 1954

NGC 1954
The spiral galaxy NGC 1954.
Observation data (J2000 epoch)
ConstellationLepus
Right ascension05h 32m 48.3304s[1]
Declination−14° 03′ 45.99″[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~194,000 ly (59.49 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.

Three supernovae have been observed in NGC 1954: SN 2010ko (type Ia, mag. 16.8),[2] SN 2011fi (type II, mag. 17.8),[3] and SN 2013ex (type Ia, mag. 15.6).[4]

See also

References

  1. ^ a b c d e f g h i j k "NASA/IPAC Extragalactic Database". Results for NGC 1954. Retrieved 24 July 2024.
  2. ^ Transient Name Server entry for SN 2010ko. Retrieved 24 July 2024.
  3. ^ Transient Name Server entry for SN 2011fi. Retrieved 24 July 2024.
  4. ^ Transient Name Server entry for SN 2013ex. Retrieved 24 July 2024.

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