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NGC 3443
The spiral galaxy NGC 3443
Observation data (J2000 epoch)
Constellation	Leo
Right ascension	10^h 53^m 00.1481^s^[1]
Declination	+17° 34′ 26.497″^[1]
Redshift	0.003776^[1]
Heliocentric radial velocity	1132 ± 1 km/s^[1]
Distance	70.6 ± 5.1 Mly (21.66 ± 1.56 Mpc)^[1]
Apparent magnitude (V)	13.1^[1]
Characteristics
Type	SAd^[1]
Size	~68,000 ly (20.8 kpc) (estimated)^[1]
Apparent size (V)	2.8′ × 1.4′^[1]
Other designations
2MASX J10530011+1734250, UGC 6000, MCG +03-28-025, PGC 32671, CGCG 095-056^[1]

NGC 3443 is a spiral galaxy in the constellation of Leo. Its velocity with respect to the cosmic microwave background is 1468 ± 24 km/s, which corresponds to a Hubble distance of 21.66 ± 1.56 Mpc (∼70.6 million light-years).^[1] It was discovered by American astronomer Lewis Swift on April 24, 1887.

One supernova has been observed in NGC 3443: SN 2024ehs (type II, mag. 18.1) was discovered by ATLAS on March 15, 2024.^[2]

NGC 3370 Group

According to A.M. Garcia, the galaxy NGC 3443 is a member of the NGC 3370 group (also known as LGG 219) that includes NGC 3370, NGC 3454, NGC 3455, and UGC 5945.^[3]

References

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k "Results for object NGC 3443". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved July 29, 2024.
^ "SN 2024ehs". Transient Name Server. IAU. Retrieved December 14, 2024.
^ 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.

External links

Media related to NGC 3443 at Wikimedia Commons
NGC 3443 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

v t e Astronomical catalogs
NGC	NGC 3438 NGC 3439 NGC 3440 NGC 3441 NGC 3442 NGC 3443 NGC 3444 NGC 3445 NGC 3446 NGC 3447 NGC 3448

Constellation of Leo

Stars

Bayer	α (Regulus) β (Denebola) γ (Algieba) δ (Zosma) ε (Algenubi) ζ (Adhafera) η θ (Chertan) ι κ (Al Minliar al Asad) λ (Alterf) μ (Rasalas) ν ξ ο (Subra) π ρ σ τ υ φ χ ψ ω
Flamsteed	3 6 (h) 7 8 9 10 11 12 13 15 (f) 18 19 20 21 22 (g) 23 26 31 (A) 33 34 35 37 39 40 42 43 44 45 46 48 49 50 51 (m) 52 (k) 53 (l) 54 55 56 57 58 (d) 59 (c) 60 (b) 61 (p²) 62 (p³) 64 65 (p⁴) 66 67 69 (p⁵) 71 72 73 (n) 75 76 79 80 81 82 83 85 86 87 (e) 88 89 90 92 93 95 (o) 6 LMi 18 LMi 49 LMi 52 LMi
Variable	R AD CN CW DP EE
HR	4253 (p¹) 4459 (Formosa)
HD	81040 88133 89307 96063 (Dingolay) 97658 99109 (Shama) 100777 (Sagarmatha) 102272
Other	BD+20 2457 Gliese 408 Gliese 436 (Noquisi) GJ 3685 HVS 7 K2-3 K2-18 2MASSI J0937347+293142 2MASS J10475385+2124234 MACS J1149 Lensed Star 1 PSR B0943+10 PSR B0950+08 SDSS J102915+172927

Exoplanets	γ¹ Leonis b μ Leonis b υ Leonis b DP Leonis b Gliese 436 b (Awohali) HD 81040 b HD 88133 b HD 89307 b HD 89345 b HD 96063 b (Ramajay) HD 99109 b (Perwana) HD 100777 b (Laligurans) HD 102272 b c K2-18b c

Galaxies

Messier	65 66 95 96 105
NGC	2903 2906 2911 2964 3041 3048 3049 3177 3185 3187 3190 3193 3226 3227 3239 3274 3301 3357 3362 3367 3370 3377 3384 3412 3426 3447 3455 3489 3501 3506 3521 3524 3535 3593 3596 3598 3599 3602 3605 3607 3608 3628 3632 3640 3646 3647 3664 3666 3678 3686 3697 3705 3710 3758 3799 3800 3801 3805 3806 3810 3816 3821 3837 3840 3841 3842 3844 3845 3851 3857 3859 3860 3861 3862 3864 3867 3868 3873 3875 3883 3884 3886 3900 3902 3908 3925 3937 3947 3954 4005
Numbered	I II III IV V
Other	Cosmic Horseshoe IC 2498 IC 2628 IRAS 10565+2448 J1000+1242 Leo P Leo T PSO J172.3556+18.7734 UGC 6614 UGC 6697

Astronomical events	SN 1988Z

NGC 3370 Group

See also

References

External links