NGC 2291

Lenticular galaxy in the constellation Gemini

NGC 2291
NGC 2291 is at the top middle of the image. Also in this image: NGC 2288, NGC 2289, NGC 2290 and NGC 2294. Image is from the legacy surveys
Observation data (J2000 epoch)
Constellation	Gemini
Right ascension	06^h 50^m 58.6^s^[1]
Declination	33° 31′ 30″^[1]
Redshift	0.017362^[1]
Heliocentric radial velocity	5205 km/s^[1]
Characteristics
Type	SA0⁰^[1]
Other designations
MCG +06-15-013, PGC 19719^[1]

NGC 2291 is an unbarred lenticular galaxy in the constellation Gemini. It was discovered by John Herschel on January 22, 1827.^[2] The visual magnitude is 13, and the apparent size is 1.0 by 0.8 arc minutes.^[2]

References

^ ^a ^b ^c ^d ^e ^f NED, NGC 2291 (accessed 2012年03月20日)
^ ^a ^b Seligman, Courtney. "Celestial Atlas: NGC Objects: NGC 2250 - 2299". cseligman.com. Archived from the original on 9 September 2015. Retrieved 10 July 2015.

Bayer	α (Castor) β (Pollux) γ (Alhena) δ (Wasat) ε (Mebsuta) ζ (Mekbuda) η (Propus) θ ι κ λ μ (Tejat) ν ξ (Alzirr) ο (Jishui) π ρ σ τ υ φ χ ω
Flamsteed	1 3 6 25 30 37 38 (e) 57 (A) 64 (b¹) 65 (b) 74 (f) 81 (g)
Variable	R U TV BG DM DN OU WY V429
HR	2877
HD	44780 50554 63433 260655
Other	2MASS 0727+1710 CXOU J061705.3+222127 Geminga Gliese 251 HAT-P-20 HAT-P-24 HAT-P-33 LB-1 PSR J0659+1414 WD J0651+2844 WISEP J060738.65+242953.4

Exoplanets	HAT-P-24b HAT-P-50b HD 50554 b HD 59686 Ab Pollux b τ Geminorum b

NGC	2129 2158 2266 2277 2355 2420
Other	Koposov 2 Messier 35

Nebulae	IC 443 IC 444 Medusa Nebula NGC 2371-2 NGC 2392

NGC	2291 2294 2357
Other	2MASX J07322028+3138009 IC 485 PKS 0735+178

Astronomical events	GRB 070125