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NGC 2565
NGC 2565
Observation data (J2000 epoch)
Constellation	Cancer
Right ascension	08 19 48.3092
Declination	+22° 01′ 53.087″
Redshift	0.011948
Heliocentric radial velocity	3,582±1 km/s
Distance	183.5 ± 12.9 Mly (56.26 ± 3.95 Mpc)
Group or cluster	NGC 2545 group (LGG 156)
Apparent magnitude (V)	12.6
Characteristics
Type	(R')SBbc?
Size	~106,600 ly (32.68 kpc) (estimated)
Apparent size (V)	1.9′ × 0.9′
Other designations
IRAS 08168+2211, UGC 4334, MCG +04-20-026, Mrk 386, PGC 23362, CGCG 119-057

NGC 2565 is a barred spiral galaxy in the constellation of Cancer. Its velocity with respect to the cosmic microwave background for is 3,814±16 km/s, which corresponds to a Hubble distance of 183.5 ± 12.9 Mly (56.26 ± 3.95 Mpc). Additionally, 34 non-redshift measurements give a distance of 169.79 ± 4.64 Mly (52.057 ± 1.422 Mpc). It was discovered by German-British astronomer J. Gerhard Lohse (bio-fr) in 1886.

NGC 2565 is a galaxy whose nucleus shines brightly in the ultraviolet. It is listed in the Markarian catalogue as Mrk 386.

NGC 2565 is surrounded by a ring, and is a starburst galaxy, as indicated by its entry in the NASA/IPAC Extragalactic Database.

NGC 2545 Group

NGC 2565 is a member of the NGC 2545 group (also known as LGG 156). The other galaxies in the group are NGC 2545, UGC 4308, CGCG 119-44 and CGCG 119-56.

Supernovae

Two supernovae have been observed in NGC 2565:

• SN 1960M (type I, mag. 17) was discovered by Alercio Gomes on 26 October 1960.
• SN 1992I (type II, mag. 18) was discovered by Christian Buil (bio-fr) on 29 February 1992.

See also

• List of NGC objects (2001–3000)

References

1. ^ "Results for object NGC 2565". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 23 December 2024.
2. "Distance Results for NGC 2565". NASA/IPAC EXTRAGALACTIC DATABASE. NASA. Retrieved 23 December 2024.
3. Seligman, Courtney. "New General Catalogue Objects: NGC 2565". Celestial Atlas. Retrieved 23 December 2024.
4. Markaryan, B. E.; Lipovetskii, V. A. (1971). "Galaxies with an ultraviolet continuum. IV". Astrophysics. 7 (4): 299. Bibcode:1971Ap......7..299M. doi:10.1007/BF01003012.
5. 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.
6. Humason, M. L.; Gomes, Alercio M.; Kearns, C. E. (1961). "The 1960 Palomar Supernova Search". Publications of the Astronomical Society of the Pacific. 73 (432): 175. Bibcode:1961PASP...73..175H. doi:10.1086/127650.
7. "SN 1960M". Transient Name Server. IAU. Retrieved 23 December 2024.
8. Pollas, C.; Buil, C. (1992). "Supernova 1992I in NGC 2565". International Astronomical Union Circular (5464): 1. Bibcode:1992IAUC.5464....1P.
9. "SN 1992I". Transient Name Server. IAU. Retrieved 23 December 2024.

External links

• Media related to NGC 2565 at Wikimedia Commons
• NGC 2565 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

v t e Constellation of Cancer
Cancer in Chinese astronomy List of stars in Cancer
Stars	Bayer α (Acubens) β (Tarf) γ (Asellus Borealis) δ (Asellus Australis) ε (Meleph) ζ (Tegmine) ζ η θ ι κ λ (Piautos) μ μ ν ξ (Nahn) ο ο π π ρ (Copernicus) ρ σ σ σ τ υ υ φ φ χ ψ ψ ω ω Flamsteed 1 3 5 7 8 11 12 15 20 (d) 21 24 25 (d) 27 28 (CX) 29 34 35 36 (c) 37 38 39 40 42 44 45 (A) 46 49 (b) 50 (A) 53 54 57 60 61 66 67 68 70 71 75 78 79 80 83 Variable R X RS VZ AZ DX EI HL HM HD 72945 72946 73534 (Gakyid) 79498 Other GJ 3470 (Kaewkosin) HIP 41378 K2-187 LHS 2090 Pr0211 WD J0914+1914 YBP 1194
Exoplanets 55 Cancri b c d e f β Cancri b GJ 3470 b HD 73534 b HIP 41378 b c d e f Pr0201 b
Star clusters Beehive Cluster Messier 67
Nebulae Abell 30 Abell 31
Galaxies	NGC 2503 2535 2536 2608 2623 2648 2775 2801 2803 2804 2812 Other 3C 191 3C 212 3C 215 DLA0817g IC 2431 OJ 287 QSO B0839+187 UGC 4457 4C +29.30 SDSS J0849+1114
Galaxy clusters Abell 671 Musket Ball Cluster
Category

• NGC objects
• IRAS catalogue objects
• Principal Galaxies Catalogue objects
• MCG objects
• Cancer (constellation)
• Astronomical objects discovered in 1886
• Barred spiral galaxies
• UGC objects
• Markarian galaxies
• Starburst galaxies