Nu2 Canis Majoris b

Nu2 Canis Majoris b

Discovery
Artist's impression
Discovered by	Wittenmyer, Robert A
Discovery date	December 2011
Detection method	Radial Velocity
Orbital characteristics
Semi-major axis	1.9 ± 0.1 AU (284,000,000 ± 15,000,000 km)
Eccentricity	0.14 ± 0.06
Orbital period (sidereal)	763 ± 17 d
Time of periastron	2455520 ± 89
Argument of periastron	12 ± 41
Star	Nu2 Canis Majoris

Nu2 Canis Majoris b, (7 CMa b) is a water cloud jovian extrasolar planet orbiting the star Nu2 Canis Majoris, approximately 64.71 light years away in the constellation of Canis Major. It was discovered in 2011 by Wittenmyer, R. by radial velocity.

References

^ Wittenmyer; Endl, M.; Wang, L.; Johnson, J. A.W.; Tinney, C.G.; O'Toole, S.J. (2011). "The Pan-Pacific Planet Search. I. A Giant Planet Orbiting 7 CMa". The Astrophysical Journal. 743 (2): 7. arXiv:astro-ph/0703672. Bibcode:2011ApJ...743..184W. doi:10.1088/0004-637X/743/2/184. S2CID 26948630.

External links

California Institute of Technology. "7 CMa b". Retrieved 25 January 2014.
Extrasolar Planets Encyclopaedia. "7 CMa b". Extrasolar Planets Encyclopaedia. Retrieved 25 January 2014.
Exoplanet Orbit Database. "Exoplanets - Detail View". Retrieved 25 January 2014.

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Constellation of Canis Major

Bayer	α (Sirius) β (Mirzam) γ (Muliphein) δ (Wezen) ε (Adhara) ζ (Furud) η (Aludra) θ ι κ λ μ ν1 ν2 ν3 ξ1 ξ2 ο1 ο2 π σ (Unurgunite) τ ω
Flamsteed	10 11 12 15 17 26 27
Variable	R W Z UW (29) VY CX EZ FN FS FY LS NR
HR	2318 2437 2447 2450 2758 2764 2766 2812
HD	43197 (Amadioha) 45184 45364 47186
Other	RX J0720.4−3125 WASP-64 (Atakoraka) WISE 0713−2917 WR 7

Exoplanets	ν2 Canis Majoris b HD 47536 b c HD 47186 b c HD 45364 b c HD 43197 b

NGC	NGC 2204 NGC 2354 NGC 2360 NGC 2362 NGC 2374
Other	Gaia 1 Messier 41

Nebulae	NGC 2359 NGC 2361 Sh2-297

NGC	2207 2217 2227 2280
Other	Canis Major Overdensity IC 2163

Astronomical events	SN 1999ec SN 2003H

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