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NGC 7329

Coordinates: Sky map 22h 40m 24.2383s, −66° 28′ 44.142″
From Wikipedia, the free encyclopedia
NGC 7329
NGC 7329 imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
ConstellationTucana
Right ascension22h 40m 24.2383s[1]
Declination−66° 28′ 44.142″[1]
Distance145.67 ± 3.35 Mly (44.662 ± 1.028 Mpc)[2]
Group or clusterNGC 7329 group (LGG 462)[3]
Apparent magnitude (V)12.1[1]
Apparent magnitude (B)12.51
Surface brightness23.36 mag/arcsec2
Characteristics
TypeSB(r)b[1]
Size~233,000 ly (71.45 kpc) (estimated)[1]
Apparent size (V)3.9′ × 2.6′[1]
Other designations
ESO 109-12, AM 2236-664, IRAS F22369-6644, PGC 69453[1]

NGC 7329 is a large barred spiral galaxy located in the constellation Tucana. Its velocity with respect to the cosmic microwave background is 3,148±8 km/s, which corresponds to a Hubble distance of 151.4 ± 10.6 Mly (46.43 ± 3.25 Mpc).[1] Additionally, 29 non-redshift measurements give a closer mean distance of 145.67 ± 3.35 Mly (44.662 ± 1.028 Mpc).[2] It was discovered by British astronomer John Herschel on 20 July 1835.[4]

The luminosity class of NGC 7329 is II and it has a broad HI line.

Supernovae

[edit]

Two supernovae have been observed in NGC 7329:

  • SN 2006bh (Type Ia, mag. 14.8) was discovered by South African amateur astronomer Berto Monard [it], in Pretoria, on 2 April 2006.[5][6]
  • SN 2009iu (Type Ib, mag. 15.5) was discovered on 1 September 2009 by the CHASE (Chilean Automatic Supernova Search) project, a project searching for supernovae visible from astronomical observatories in the southern hemisphere.[7][8]

NGC 7329 group

[edit]

NGC 7329 is a member of a group of galaxies that bears its name. The NGC 7329 group (also known as LGG 462) has at least 11 members, including NGC 7358 [fr], NGC 7408, NGC 7417 [fr], IC 5222 [fr], IC 5227 [fr], IC 5244 [fr], IC 5250 [fr], IC 5266 [fr], IC 5272 [fr] and ESO 109-32 [d].[3][9]

See also

[edit]
[edit]
  • NGC 7329 at NASA/IPAC Extragalactic Database
  • NGC 7329 at Simbad du Centre de données astronomiques de Strasbourg.
  • NGC 7329 at LEDA
  • NGC 7678 at SEDS
  • "Four filter fusion". www.esa.int. Retrieved 2024-06-06.

References

[edit]
  1. 1 2 3 4 5 6 7 8 "Results for object NGC 7329". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 14 August 2026.
  2. 1 2 "Distance Results for NGC 7329". NASA/IPAC Extragalactic Database. NASA. Retrieved 14 August 2026.
  3. 1 2 Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G.
  4. ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 7239". Celestial Atlas. Retrieved 14 August 2026.
  5. ↑ Monard, L. A. G.; Africa, S. (2006). "Supernova 2006bh in NGC 7329". Central Bureau Electronic Telegrams (457): 1. Bibcode:2006CBET..457....1M.
  6. ↑ "SN 2006bh". Transient Name Server. IAU. Retrieved 14 August 2026.
  7. ↑ Maza, J.; Hamuy, M.; Antezana, R.; et al. (2009). "Supernova 2009iu in NGC 7329". Central Bureau Electronic Telegrams (1937): 1. Bibcode:2009CBET.1937....1M.
  8. ↑ "SN 2009iu". Transient Name Server. IAU. Retrieved 14 August 2026.
  9. ↑ "LGG 462". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 14 August 2026.
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