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NGC 5078

NGC 5078
NGC 5078
Legacy surveys image of NGC 5078 and IC 879
Observation data (J2000 epoch)
ConstellationHydra
Right ascension13h 19m 50.0110s[1]
Declination−27° 24′ 37.015″[1]
Redshift2168 ± 6 km/s[1]
Distance94 Mly[2]
Group or clusterNGC 5061 group (LGG 341)
Apparent magnitude (V)+11.8[1]
Characteristics
TypeSA(s)a[1]
Apparent size (V)4′.0 × 1′.9[1]
Other designations
ESO 508- G 048, IRAS 13170-2708, MCG -04-32-001, PGC 46490[1]

NGC 5078 is a spiral galaxy in the Hydra constellation, approximately 94 million light-years away from Earth.[2] It has a diameter of 127,000 light-years.[3] It was discoverd by German-British astronomer William Herschel on 28 March 1786.[4][5]

The dust lane of NGC 5078 is warped, probably by interaction with the nearby galaxy IC 879, which is itself distorted into an 'S' shape by the interaction.[6] At the presumed distance the two galaxies would have a minimal separation of about 61,000 light-years.[3] For comparison, the Large Magellanic Cloud is about 160,000 light-years from the Milky Way.

NGC 5078 is also only separated in the sky from the spiral galaxy NGC 5101 by about 0.5 degrees, and both are believed to be at the same distance from the Earth. This would mean they are approximately 800,000 light-years apart.[7]

NGC 5061 group

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NGC 5078 is a member of a NGC 5061 group (also known as LGG 341). The group contains 10 galaxies, including NGC 5061, NGC 5085, NGC 5101, IC 874, IC 4222, IC 4231, and three galaxies from the ESO catalogue.[8]

Supernova

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One supernova has been observed in NGC 5078: SN 1999cz (Type Ic, mag. 16) was discovered by the Perth Astronomical Research Group on 12 June 1999.[9][10]

References

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  1. ^ a b c d e f g "Results for NGC 5078". NASA/IPAC Extragalactic Database. Retrieved 2006-11-18.
  2. ^ a b "Best of AOP - Galaxies: NGC 5078". Advanced Observing Program. NOAO. Archived from the original on 24 May 2015. Retrieved 3 July 2015.
  3. ^ a b Bratton, Mark (2011). The Complete Guide to the Herschel Objects: Sir William Herschel's Star Clusters, Nebulae and Galaxies. Cambridge University Press. p. 278. ISBN 978-0521768924.
  4. ^ Herschel, William (1789). "Catalogue of a Second Thousand of New Nebulae and Clusters of Stars; with a Few Introductory Remarks on the Construction of the Heavens". Philosophical Transactions of the Royal Society of London. 79: 212–255. Bibcode:1789RSPT...79..212H. doi:10.1098/rstl.1789.0021.
  5. ^ Seligman, Courtney. "New General Catalogue Objects: NGC 5078". Celestial Atlas. Retrieved 13 August 2025.
  6. ^ "NGC 5078 and its distorted companion IC 879". Australian Astronomical Observatory. Archived from the original on 1 April 2015. Retrieved 3 July 2015.
  7. ^ Nemiroff, Robert; Bonnell, Jerry. "NGC 5101 and Friends". APOD. Retrieved 21 April 2019.
  8. ^ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G.
  9. ^ Williams, A.; Martin, R.; Woodings, S.; Livingston, C.; Biggs, J.; Verveer, A. (1999). "Supernova 1999cz in NGC 5078". International Astronomical Union Circular (7214): 1. Bibcode:1999IAUC.7214....1W.
  10. ^ "SN 1999cz". Transient Name Server. IAU. Retrieved 13 August 2025.
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