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NGC 5641 is a type Sb-barred spiral galaxy[4] in the constellation of Boötes, registered in New General Catalogue (NGC).[1] It is located five degrees east of NGC 5466.[4]

NGC 5641
SDSS image of NGC 5641
Observation data (J2000 epoch)
Right ascension14h 29m 16.6s[1]
Declination+28° 49′ 18.7″[1]
Redshift0.01440[1]
Helio radial velocity4286 km/s[1]
Galactocentric velocity4384 km/s[2]
Distance196 ± 14 Mly
(60.1 ± 4.2 Mpc)[2]
Apparent magnitude (V)13.0[2]
Absolute magnitude (V)-20.9[nb 1]
Characteristics
Type(R')SAB(r)ab [2]
Apparent size (V)2.4' x 1.1'[2]
Other designations
UGC 9300, MCG +05-34-055, PGC 51758[1][3]

Observation history


NGC 5641 was discovered by Édouard Stephan on 4 June 1880. He described the galaxy as ""pretty bright, pretty small, a little extended, much brighter middle, mottled but not resolved?"[3] It was described in Burnham's Celestial Handbook as "pretty bright, pretty small, slightly elongated and much brighter in the middle".[5] Walter Scott Houston also noted that this galaxy was missed by William Herschel. He wrote "although NGC 5641 is only 2' long, this should not have been a problem for Herschel observing at 157x."[5]


Notes


  1. Calculated from Galactocentric GSR Distance modulus[2]

References


  1. "NGC 5641". SIMBAD. Archived from the original on 28 September 2022. Retrieved 28 September 2022.
  2. "Results for object NGC 5641". NASA/IPAC Extragalactic Database. Archived from the original on 9 October 2022. Retrieved 15 August 2022.
  3. Seligman, Courtney. "NGC 5641 (= PGC 51758)". Seligman website. Retrieved 2 October 2022.
  4. Gilmour, Jess K. (2003). Bootes. London: Springer London. p. 17. doi:10.1007/978-1-4471-0071-3_6. ISBN 978-1-85233-474-1.
  5. "NGC 5641". Deep Sky Observer's Companion – the online database. Archived from the original on 1 April 2016. Retrieved 2 October 2022.


На других языках

[de] NGC 5641

NGC 5641 ist eine 12,5 mag helle Balkenspiralgalaxie vom Hubble-Typ SBab im Sternbild Bärenhüter und etwa 197 Millionen Lichtjahre von der Milchstraße entfernt.
- [en] NGC 5641

[ru] NGC 5641

NGC 5641 (другие обозначения — UGC 9300, MCG 5-34-55, ZWG 163.63, IRAS14270+2902, PGC 51758) — галактика в созвездии Волопас.


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