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NGC 7312

From Wikipedia, the free encyclopedia

NGC 7312
The barred spiral galaxy NGC 7312.
Observation data (J2000 epoch)
ConstellationPegasus
Right ascension22h 34m 34.79s[1]
Declination+05° 49′ 02.5″[1]
Redshift0.027609[1]
Heliocentric radial velocity8277 ± 1 km/s[1]
Distance380.6 ± 26.7 Mly (116.68 ± 8.18 Mpc)[1]
Apparent magnitude (V)13.4[1]
Characteristics
TypeSB(s)b[1]
Size~225,000 ly (68.97 kpc) (estimated)[1]
Apparent size (V)1.5' x 0.8'[1]
Other designations
PGC 69198, UGC 12083, CGCG 404-023, MCG +01-57-010, 2MASX J22343478+0549025[1]

NGC 7312 is a barred spiral galaxy in the constellation of Pegasus. Its velocity with respect to the cosmic microwave background is 7911 ± 26 km/s, which corresponds to a Hubble distance of 116.68 ± 8.18 Mpc (∼381 million light-years).[1] It was discovered by German astronomer Albert Marth on 30 October 1863.[2]

According to the NASA/IPAC database, NGC 7312 forms a galaxy pair with NGC 7311 (also known as UGC 12080).[1] The Hubble distance to NGC 7311 is 61.33 ± 4.31 Mpc (∼200 million al), which means that it is much closer than NGC 7312, and therefore the pairing is purely optical.

Two supernovae have been observed in NGC 7312: PSNJ22343424+0548478 (type II, mag 16.6, discovered 17 September 2015)[3] and SN 2024ixe (type IIb, mag. 19.7).[4]

See also

References

  1. ^ a b c d e f g h i j k l "NASA/IPAC Extragalactic Database". Results for NGC 7312. Retrieved 2 August 2024.
  2. ^ Celestial Atlas entry for NGC 7312. Retrieved 2 August 2024.
  3. ^ The Astronomer's Telegram #8073. Retrieved 2 August 2024.
  4. ^ Transient Name Server entry for SN 2024ixe. Retrieved 2 August 2024.
This page was last edited on 8 August 2024, at 05:53
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