NGC 7427 is a lenticular galaxy in the constellation of Pegasus. Its velocity with respect to the cosmic microwave background is 9336 ± 35 km/s, which corresponds to a Hubble distance of 137.70 ± 9.66 Mpc (∼449 million light-years).[1] It was discovered by Russian astronomer Otto Wilhelm von Struve on 22 November 1865.[2]

NGC 7427
The lenticular galaxy NGC 7427.
Observation data (J2000 epoch)
ConstellationPegasus
Right ascension22h 57m 09.921s[1]
Declination+08° 30′ 20.078″[1]
Redshift0.032376[1]
Heliocentric radial velocity9706 ± 24 km/s[1]
Distance449.1 ± 31.5 Mly (137.70 ± 9.66 Mpc)[1]
Apparent magnitude (V)15.1[1]
Characteristics
TypeSO[1]
Size~97,100 ly (29.76 kpc) (estimated)[1]
Apparent size (V)0.7' x 0.7'[1]
Other designations
2MASX J22570990+0830200, MCG +01-58-016, PGC 70091, CGCG 405-018[1]

Two supernovae have been observed in NGC 7427: SN 2019uzd (type Ia, mag 18.9)[3] and SN 2023uma (type Ia, mag 18.1).[4]

See also

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References

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  1. ^ a b c d e f g h i j k "NASA/IPAC Extragalactic Database". Results for NGC 7427. Retrieved 3 August 2024.
  2. ^ Celestial Atlas entry for NGC 7427. Retrieved 3 August 2024.
  3. ^ Transient Name Server entry for SN 2019uzd. Retrieved 3 August 2024.
  4. ^ Transient Name Server entry for SN 2023uma. Retrieved 3 August 2024.
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