NGC 9

NGC 9
NGC 9 (Sloan Digital Sky Survey)
Observation data (J2000 epoch)
ConstellationPegasus
Right ascension00h 08m 54.7s [1]
Declination+23° 49′ 01″[1]
Redshift0.015104[1]
Heliocentric radial velocity4528 ± 10 km/s[1]
Distance142 ± 31 Mly
(43.5 ± 9.5 Mpc)[2]
Apparent magnitude (V)14.35 [1]
Absolute magnitude (V)—18.69
Characteristics
TypeSb: pec [1]
Apparent size (V)1.3' x 0.7' [1]
Other designations
UGC 78,[1] PGC 652 [1]

NGC 9 is a spiral galaxy about 140 million light-years away in the Pegasus constellation. It was discovered on 27 September 1865 by Otto Wilhelm von Struve.[3]

One supernova has been observed in NGC 9: SN 2021zju (type Ib, mag. 18.15).[4]

NGC 9 (near-infrared)

References

  1. ^ a b c d e f g h i "NED results for object NGC 0009". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. 2008. Retrieved 24 November 2008.
  2. ^ "Distance Results for NGC 0009". NASA/IPAC Extragalactic Database. Retrieved 3 May 2010.
  3. ^ Steinicke, Wolfgang (2010). Observing and Cataloguing Nebulae and Star Clusters. Cambridge University Press. p. 283. ISBN 9780521192675.
  4. ^ "SN 2021zju". Transient Name Server. IAU. Retrieved 3 September 2024.
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