NGC 7454

NGC 7454
NGC 7454 (SDSS DR14)
Observation data (J2000 epoch)
Constellation	Pegasus[1]
Right ascension	23^h 01^m 06.512^s[2]
Declination	+16° 23′ 18.48″[2]
Redshift	2,008 km/s[3]
Distance	77.17 ± 0.46 Mly (23.66 ± 0.14 Mpc)[3]
Apparent magnitude (V)	11.8[1]
Characteristics
Type	E4[1]
Apparent size (V)	2.1′ × 1.4′[1]
Other designations
NGC 7454, UGC 12305, LEDA 70264[4]

NGC 7454 is an elliptical galaxy in the constellation Pegasus. It was discovered on October 15, 1784 by William Herschel.[5] This object has an apparent visual magnitude of 11.8, a visual size of 2.1′ × 1.4′,[1] and a morphological classification of E4.[1] J. L. E. Dreyer described the galaxy as F, cS, lE, lbM, *11 p 1', which indicates it is faint, considerably small, a little extended, with a little brighter middle, and an 11th magnitude star is located 1 arcmin to west.[6]

References

1. Aranda, Ted (2011). 3,000 Deep-Sky Objects, An Annotated Catalogue. Springer New York. p. 473. ISBN 9781441994196.
2. Gaia Collaboration (2020-11-01). "VizieR Online Data Catalog: Gaia EDR3 (Gaia Collaboration, 2020)". VizieR Online Data Catalog: I/350. Bibcode:2020yCat.1350....0G. doi:10.26093/cds/vizier.1350.
3. Tully, R. Brent; et al. (October 2013). "Cosmicflows-2: The Data". The Astronomical Journal. 146 (4): 25. arXiv:1307.7213. Bibcode:2013AJ....146...86T. doi:10.1088/0004-6256/146/4/86. S2CID 118494842. 86.
4. "NGC 7454". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2024-10-26.
5. Seligman, Courtney. "Celestial Atlas". cseligman.com. Retrieved 2022-12-12.
6. Frommert, Hartmut. "NGC 7454". SEDS. Retrieved 2022-12-12.

External links

• Media related to NGC 7454 at Wikimedia Commons