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{{Infobox Galaxy
{{Infobox Galaxy
| name = [[New General Catalogue|NGC]] 7454
| name = [[New General Catalogue|NGC]] 7454
| epoch = J2000
| ra = {{RA|23|01|06.512}}<ref name=GaiaEDR3>{{Cite journal |last=Gaia Collaboration |date=2020-11-01 |title=VizieR Online Data Catalog: Gaia EDR3 (Gaia Collaboration, 2020) |url=https://ui.adsabs.harvard.edu/abs/2020yCat.1350....0G |journal=VizieR Online Data Catalog |pages=I/350 |doi=10.26093/cds/vizier.1350 |bibcode=2020yCat.1350....0G}}</ref>
| dec = {{DEC|+16|23|18.48}}<ref name=GaiaEDR3/>
| image = NGC7454 - SDSS DR14.jpg
| image = NGC7454 - SDSS DR14.jpg
| caption = NGC 7454 (SDSS DR14)
| caption = NGC 7454 (SDSS DR14)
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| dist_ly = {{Convert|23.66|±|0.14|Mpc|Mly|order=flip|abbr=on|lk=off}}<ref name=Tully_et_al_2013/>
| dist_ly = {{Convert|23.66|±|0.14|Mpc|Mly|order=flip|abbr=on|lk=off}}<ref name=Tully_et_al_2013/>
| z = {{val|2008|u=km/s|fmt=commas}}<ref name=Tully_et_al_2013/>
| z = {{val|2008|u=km/s|fmt=commas}}<ref name=Tully_et_al_2013/>
| names = {{odlist | NGC=7454 | UGC=12305 | LEDA=70264 }}
| names = {{odlist | NGC=7454 | UGC=12305 | LEDA=70264 }}<ref name=SIMBAD>{{cite simbad|title=NGC 7454|access-date=2024-10-26}}</ref>
}}
}}


Latest revision as of 01:25, 27 October 2024

NGC 7454
NGC 7454 (SDSS DR14)
Observation data (J2000 epoch)
ConstellationPegasus[1]
Right ascension23h 01m 06.512s[2]
Declination+16° 23′ 18.48″[2]
Redshift2,008 km/s[3]
Distance77.17 ± 0.46 Mly (23.66 ± 0.14 Mpc)[3]
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[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

[edit]
  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 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. ^ 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.
  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.
[edit]
  • Media related to NGC 7454 at Wikimedia Commons


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