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NGC 39

Coordinates: Sky map 00h 12m 18.8525s, +31° 03′ 39.946″
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NGC 39
SDSS image of NGC 39
Observation data (J2000 epoch)
ConstellationAndromeda
Right ascension00h 12m 18.8525s[1]
Declination+31° 03′ 39.946″[1]
Redshift0.016201[1]
Heliocentric radial velocity4857 ± 11 km/s[1]
Distance217.9 ± 15.3 Mly (66.80 ± 4.69 Mpc)[1]
Group or clusterNGC 7831 Group (LGG 1)
Apparent magnitude (V)13.92[1]
Characteristics
TypeSA(rs)c[1]
Apparent size (V)1.2′ × 1.0′[1]
Other designations
IRAS F00097+3047, UGC 114, MCG +05-01-052, PGC 852, CGCG 499-076[1]

NGC 39 is an unbarred spiral galaxy in the constellation Andromeda. Its velocity with respect to the cosmic microwave background is 4529 ± 25 km/s, which corresponds to a Hubble distance of 217.9 ± 15.3 Mly (66.80 ± 4.69 Mpc).[1] It was discovered by German-British astronomer William Herschel on 2 November 1790.[2]

NGC 7831 Group

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According to A.M. Garcia, NGC 39 is a member of the NGC 7831 group (also known as LGG 1), which contains at least 18 galaxies, including NGC 13, NGC 20, NGC 21, NGC 29, NGC 43, NGC 7805, NGC 7806, NGC 7819, and NGC 7836.[3]

Supernova

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One supernova has been observed in NGC 39: SN 2024rbc (type Ib, mag. 20.5).[4]

See also

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References

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  1. ^ a b c d e f g h i j "Results for object NGC 0039 (NGC 39)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-08.
  2. ^ Seligman, Courtney. "New General Catalogue objects: NGC 1 - 49". cseligman.com. Retrieved 2021-02-08.
  3. ^ 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.
  4. ^ "SN 2024rbc". Transient Name Server. IAU. Retrieved 13 August 2024.
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