NGC 7454

Galaxy in the constellation Pegasus
NGC 7454
NGC 7454 (SDSS DR14)
Observation data
ConstellationPegasus[1]
Redshift2,008 km/s[2]
Distance77.17 ± 0.46 Mly (23.66 ± 0.14 Mpc)[2]
Apparent magnitude (V)11.8[1]
Characteristics
TypeE4[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. ^ a b c d e f Aranda, Ted (2011). 3,000 Deep-Sky Objects, An Annotated Catalogue. Springer New York. p. 473. ISBN 9781441994196.
  2. ^ a b 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.
  3. ^ Seligman, Courtney. "Celestial Atlas". cseligman.com. Retrieved 2022-12-12.
  4. ^ Frommert, Hartmut. "NGC 7454". SEDS. Retrieved 2022-12-12.

External links

  • Media related to NGC 7454 at Wikimedia Commons
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Constellation of Pegasus
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  • SV
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  • AT
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  • BB
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  • V342
  • V343
  • V354
  • V363
  • V372
  • V376
  • V391
HR
  • 19
  • 49
  • 8116
  • 8219
  • 8221
  • 8231
  • 8250
  • 8257
  • 8258
  • 8274
  • 8292
  • 8325
  • 8341
  • 8348
  • 8358
  • 8359
  • 8364
  • 8372
  • 8391
  • 8397
  • 8412
  • 8415
  • 8435
  • 8441
  • 8455
  • 8456
  • 8458
  • 8460
  • 8461
  • 8466
  • 8475
  • 8482
  • 8491
  • 8503
  • 8514
  • 8543
  • 8555
  • 8564
  • 8587
  • 8604
  • 8605
  • 8608
  • 8631
  • 8638
  • 8642
  • 8737
  • 8784
  • 8788
  • 8792
  • 8824
  • 8831
  • 8833
  • 8838
  • 8839
  • 8873
  • 8922
  • 8942
  • 8953
  • 8970
  • 9039
  • 9055
  • 9078
  • 9109
HD
  • 434
  • 204603
  • 205011
  • 205422
  • 205603
  • 206689
  • 206793
  • 208897
  • 209709
  • 210890
  • 211076
  • 213025
  • 215549
  • 215733
  • 219196
  • 219828
  • 220288
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