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NGC 4727

Coordinates:Sky map12h 50m 57.2497s, −14° 19′ 58.350″
From Wikipedia, the free encyclopedia
(Redirected fromNGC 4740)
Galaxy in the constellation Corvus

NGC 4727
NGC 4727 (center) with NGC 4724 (right)
Observation data (J2000epoch)
ConstellationCorvus
Right ascension12h 50m 57.2497s[1]
Declination−14° 19′ 58.350″[1]
Redshift0.025001[1]
Heliocentric radial velocity7,495±0 km/s[1]
Distance376.7 ± 26.4 Mly (115.49 ± 8.09 Mpc)[1]
Apparent magnitude (V)11.8[1]
Characteristics
TypeSAB(r)bc pec?[1]
Size~251,400 ly (77.07 kpc) (estimated)[1]
Apparent size (V)1.6′ × 1.2′[1]
Other designations
HOLM 470A,IRAS 12483-1403,NGC 4740,MCG -02-33-023,PGC 43499[1]

NGC 4727 is a largebarred spiral galaxy in theconstellation ofCorvus. Its velocity with respect to thecosmic microwave background for is7,830±23 km/s, which corresponds to aHubble distance of 376.7 ± 26.4 Mly (115.49 ± 8.09 Mpc).[1] It was discovered by German-British astronomerWilliam Herschel on 8 February 1785.[2] It was also observed byLewis Swift on 27 April 1887, causing it to be listed twice in theNew General Catalogue, as NGC 4727 and as NGC 4740.[2]

NGC 4727 andNGC 4724 are listed together asHolm 470 inErik Holmberg'sA Study of Double and Multiple Galaxies Together with Inquiries into some General Metagalactic Problems, published in 1937.[3]

Supernovae

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Twosupernovae have been observed in NGC 4727:

See also

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References

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  1. ^abcdefghijk"Results for object NGC 4727".NASA/IPAC Extragalactic Database.NASA andCaltech. Retrieved23 December 2024.
  2. ^abSeligman, Courtney."New General Catalogue Objects: NGC 4727".Celestial Atlas. Retrieved23 December 2024.
  3. ^Holmberg, Erik (1937). "A Study of Double and Multiple Galaxies Together with Inquiries into some General Metagalactic Problems".Annals of the Observatory of Lund.6: 1.Bibcode:1937AnLun...6....1H.
  4. ^Gingerich, Owen (12 January 1965)."Circular No. 1887".Central Bureau for Astronomical Telegrams. Smithsonian Astrophysical Observatory,IAU. Retrieved23 December 2024.
  5. ^"SN 1965B".Transient Name Server.IAU. Retrieved23 December 2024.
  6. ^Ganeshalingam, M.; Graham, J.; Pugh, H.; Li, W. (2003)."Supernovae 2003ef, 2003eg, 2003eh, 2003ei, 2003ej, 2003ek".International Astronomical Union Circular (8134): 1.Bibcode:2003IAUC.8134....1G.
  7. ^"SN 2003eg".Transient Name Server.IAU. Retrieved23 December 2024.

External links

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