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47 Ursae Majoris System |
Stellar Information
| Other Names | Gliese 407, HD 95128, BD+41°2147, HIP 53721, SAO 43557, FK5 1282, HR 4277 |
| Distance from Sol | 45.91 light years (Hipparcos) |
| Spectral Type | G0 V |
| Mass (xSol) | 1.15 |
| Luminosity (xSol) | 1.679 |
| Diameter (xSol) | 1.256 (Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988) |
| Metallicity (xSol) | 1.15 (B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275) |
| Age | 6.9 billion years (B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275) |
| Habitable Zone | 1.296 AU |
Planetary Information
| Other Names | 47 Ursae Majoris b |
| Common Name | None |
| Detection Method | Radial-velocity method (Fischer et al, 2001 -- in pdf; and Butler and Marcy, 1996) |
| Detection Date | 1996 |
| Mass (xJupiter) | 2.54 |
| Diameter | 1.035xJupiter |
| Semi-Major Axis | 2.09 AU (1.96 to 2.21 AU) |
| Orbital Period | 1089 (±3) days |
| Orbital Eccentricity | 0.061 (±0.014) |
| Orbital Inclination | 172° (47 UMa at exoplanets.org). |
| Notes |
| Other Names | 47 Ursae Majoris c |
| Common Name | None |
| Detection Method | Residual drift in radial velocity data (D. Fischer et al) |
| Detection Date | 2001 |
| Mass (xJupiter) | 0.76 |
| Diameter | 0.975xJupiter |
| Semi-Major Axis | 3.73 AU (3.35 to 4.1 AU) |
| Orbital Period | 2594 (± 90) days |
| Orbital Eccentricity | 0.1 (± 0.1) |
| Orbital Inclination | Unknown |
| Notes |
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Updates October 9, 2005: Established this page. |
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© John M. Dollan
2005 This Page first uploaded October 9, 2005 Most recent update for this page October 9, 2005 |