NGC 7454 | |
---|---|
Observation data | |
Constellation | Pegasus[1] |
Redshift | 2,008 km/s[2] |
Distance | 77.17 ± 0.46 Mly (23.66 ± 0.14 Mpc)[2] |
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 |
NGC 7454 is an elliptical galaxy in the constellation Pegasus. It was discovered on October 15, 1784 by William Herschel.[3] 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.[4]
References
- 1 2 3 4 5 6 Aranda, Ted (2011). 3,000 Deep-Sky Objects, An Annotated Catalogue. Springer New York. p. 473. ISBN 9781441994196.
- 1 2 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.
- ↑ Seligman, Courtney. "Celestial Atlas". cseligman.com. Retrieved 2022-12-12.
- ↑ Frommert, Hartmut. "NGC 7454". SEDS. Retrieved 2022-12-12.
External links
- Media related to NGC 7454 at Wikimedia Commons
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