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NGC 6754

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Galaxy in the constellation Telescopium

NGC 6754
NGC 6754 imaged by Legacy Surveys
Observation data (J2000 epoch)
ConstellationTelescopium
Right ascension19 11 25.7664
Declination−50° 38′ 31.397″
Redshift0.010864
Heliocentric radial velocity3257 ± 10 km/s
Distance152.8 ± 10.7 Mly (46.84 ± 3.29 Mpc)
Apparent magnitude (V)12.1
Characteristics
TypeSB(rs)b
Size~143,500 ly (43.99 kpc) (estimated)
Apparent size (V)1.8′ × 0.9′
Other designations
ESO 231- G 025, IRAS 19075-5043, 2MASX J19112359-5038309, PGC 62871

NGC 6754 is a barred spiral galaxy in the constellation of Telescopium. Its velocity with respect to the cosmic microwave background is 3176 ± 11 km/s, which corresponds to a Hubble distance of 152.8 ± 10.7 Mly (46.84 ± 3.29 Mpc). Additionally, 10 non-redshift measurements give a distance of 137.15 ± 4.19 Mly (42.05 ± 1.285 Mpc). It was discovered by British astronomer John Herschel on 8 July 1834.

According to the SIMBAD database, NGC 6754 is an Active Galaxy Nucleus Candidate, i.e. it has a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars.

Supernovae

Four supernovae have been observed in NGC 6754:

  • SN 1998X (type II, mag. 17) was discovered by the Perth Astronomical Research Group on 13 March 1998.
  • SN 1998dq (type Ia, mag. 14.3) was discovered by Brett White on 23 August 1998.
  • SN 2000do (type Ia, mag. 15.6) was discovered by Brett White on 30 September 2000.
  • SN 2005cu (type II, mag. 16.1) was discovered by Berto Monard on 10 July 2005.

See also

References

  1. ^ "Results for object NGC 6754". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 17 December 2024.
  2. "Distance Results for NGC 6754". NASA/IPAC EXTRAGALACTIC DATABASE. NASA. Retrieved 17 December 2024.
  3. Seligman, Courtney. "New General Catalogue Objects: NGC 6754". Celestial Atlas. Retrieved 17 December 2024.
  4. "NGC 6754". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 17 December 2024.
  5. Woodings, S.; Martin, R.; Williams, A.; Patat, F.; Della Valle, M. (1998). "Supernova 1998X in NGC 6754". International Astronomical Union Circular (6847): 1. Bibcode:1998IAUC.6847....1W.
  6. "SN 1998X". Transient Name Server. IAU. Retrieved 17 December 2024.
  7. White, B.; Evans, R.; Schmidt, B.; Dobosz, T.; Crook, B.; Gutierrez, A. (1998). "Supernova 1998dq in NGC 6754". International Astronomical Union Circular (6998): 1. Bibcode:1998IAUC.6998....1W.
  8. "SN 1998dq". Transient Name Server. IAU. Retrieved 17 December 2024.
  9. White, B.; Evans, R.; Bembrick, C.; White, G. L.; Dobosz, T. (2000). "Supernova 2000do in NGC 6754". International Astronomical Union Circular (7500): 1. Bibcode:2000IAUC.7500....1W.
  10. "SN 2000do". Transient Name Server. IAU. Retrieved 17 December 2024.
  11. Monard, L. A. G. (2005). "Supernova 2005cu in NGC 6754". International Astronomical Union Circular (8562): 1. Bibcode:2005IAUC.8562....1M.
  12. "SN 2005cu". Transient Name Server. IAU. Retrieved 17 December 2024.

External links

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