NGC 5898 is an elliptical galaxy in the constellation of Libra. Its velocity with respect to the cosmic microwave background is 2301 ± 13 km/s, which corresponds to a Hubble distance of 33.93 ± 2.38 Mpc (∼111 million light-years).[1] It was discovered by German-British astronomer William Herschel on 21 May 1784.[2]

NGC 5898
The elliptical galaxy NGC 5898.
Observation data (J2000 epoch)
ConstellationLibra
Right ascension15h 18m 13.56s[1]
Declination−24° 05′ 52.6″[1]
Redshift0.007078 [1]
Heliocentric radial velocity2122 ± 4 km/s[1]
Distance110.7 ± 7.8 Mly (33.93 ± 2.38 Mpc)[1]
Apparent magnitude (V)11.4[1]
Characteristics
TypeE0[1]
Size~125,200 ly (38.39 kpc) (estimated)[1]
Apparent size (V)2.7' x 2.6'[1]
Other designations
2MASX J15181355-2405526, MCG -04-36-006, PGC 54625, ESO 514- G 002[1]

One supernova has been observed in NGC 5898: SN 2023mkt (type Ia, mag 18.2).[3]

NGC 5903 group

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According to A. M. Garcia, NGC 5898 is part of the five member NGC 5903 Group (also known as LGG 398). The other four galaxies are NGC 5903, IC 4538, ESO 514–3, and ESO 582–12.[4]

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See also

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References

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  1. ^ a b c d e f g h i j k "NASA/IPAC Extragalactic Database". Results for NGC 5898. Retrieved 6 August 2024.
  2. ^ Celestial Atlas entry for NGC 5898. Retrieved 6 August 2024.
  3. ^ Transient Name Server entry for SN 2023mkt. Retrieved 6 August 2024.
  4. ^ A.M. Garcia, "General study of group membership. II – Determination of nearby groups", Astronomy and Astrophysics Supplement Series, vol. 100 #1, July 1993, pp. 47–90 (Bibcode 1993A&AS.. 100...47G) Retrieved 6 August 2024.
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