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47 Ursae Majoris c
Gas giant orbiting 47 Ursae Majoris / From Wikipedia, the free encyclopedia
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"Taphao Kaew" redirects here. For the folktale character, see Krai Thong.
47 Ursae Majoris c (abbreviated 47 UMa c), formally named Taphao Kaew (/təˌpaʊ ˈɡaʊ/ tə-POW GOW;[3] Thai: ตะเภาแก้ว [tāpʰāwkɛ̂ːw]) is an extrasolar planet approximately 46 light-years from Earth in the constellation of Ursa Major. The planet was discovered located in a long-period around the star 47 Ursae Majoris. Its orbit lasts 6.55 years and the planet has a mass at least 0.540 times that of Jupiter.
Quick Facts Discovery, Discovered by ...
![]() An artist's impression of 47 UMa c | |
Discovery | |
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Discovered by | Fischer, Butler, and Marcy et al. |
Discovery site | ![]() |
Discovery date | 15 August 2001 19 March 2002 (confirmed) |
Doppler spectroscopy | |
Orbital characteristics | |
3.6 ± 0.1 astronomical units (539 ± 15 million kilometres)[1] | |
Eccentricity | 0.098+0.047 −0.096[1] |
2391+100 −70[1] d ~6.55 y | |
2,452,441+628 −825[1] | |
295+114 −160[1] | |
Semi-amplitude | 7.0 ± 2.3[2] |
Star | 47 Ursae Majoris |
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