NGC 2927

NGC 2927
The barred spiral galaxy NGC 2927
Observation data (J2000 epoch)
ConstellationLeo
Right ascension09h 37m 15.21s[1]
Declination+23° 35′ 26.209″[1]
Redshift0.025147[1]
Heliocentric radial velocity7539 ± 2 km/s[1]
Distance376.7 ± 26.4 Mly (115.49 ± 8.09 Mpc)[1]
Apparent magnitude (V)12.9[1]
Characteristics
TypeSAB(rs)b[1]
Size~229,000 ly (70.20 kpc) (estimated)[1]
Apparent size (V)1.3′ × 1.0′[1]
Other designations
IRAS F09343+2349, 2MASX J09371521+2335261, UGC 5122, MCG +04-23-016, PGC 27385, CGCG 122-032[1]

NGC 2927 is a large barred spiral galaxy in the constellation of Leo. Its velocity with respect to the cosmic microwave background is 7830 ± 20 km/s, which corresponds to a Hubble distance of 115.49 ± 8.09 Mpc (∼377 million light-years).[1] In addition, three non-redshift measurements give a distance of 120.667 ± 0.882 (∼394 million light-years).[2] The galaxy was discovered by German astronomer Heinrich d'Arrest on 21 February 1863.[3]

The SIMBAD database lists NGC 2927 as a radio galaxy, i.e. it has giant regions of radio emission extending well beyond its visible structure.[4]

One supernova has been observed in NGC 2927: SN 2023uvg (type Ic, mag. 18.7389) was discovered by the Automatic Learning for the Rapid Classification of Events (ALeRCE) on 13 October 2023.[5]

NGC 2927 forms a pair of galaxies with NGC 2929.[6]

See also

References

  1. ^ a b c d e f g h i j k "Results for object NGC 2927". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 14 August 2024.
  2. ^ "Distance Results for NGC 2927". NASA/IPAC EXTRAGALACTIC DATABASE. NASA. Retrieved 14 August 2024.
  3. ^ Seligman, Courtney. "NGC 2927". Celestial Atlas. Retrieved 14 August 2024.
  4. ^ "NGC 2927". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 16 December 2024.
  5. ^ "SN 2023uvg". Transient Name Server. IAU. Retrieved 14 August 2024.
  6. ^ Mahtessian, A. P. (1998). "Groups of galaxies. III. Some empirical characteristics". Astrophysics. 41 (3): 308–321. Bibcode:1998Ap.....41..308M. doi:10.1007/BF03036100.

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