Planet GJ 176 b
| Name | GJ 176 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2007 | ||
| Mass | — | ||
| Mass*sin(i) | 0.025 ( -0.0066 +0.0076 ) MJ |  |
+ |
| Semi-Major Axis | 0.066 (± 0.007) AU | |
+ |
| Orbital Period | 8.7748 (± 0.003) day | |
+ |
| Eccentricity | 0.08 ( -0.08 +0.16 ) | |
+ |
| ω | — | ||
| Tperi | — | ||
| Radius | — | ||
| Inclination | — | ||
| Update | 2019-06-14 | ||
| Detection Method | Radial Velocity | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | — | ||
| Primary transit | — | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | 2454399.79 (± 0.33) JD | |
|
| Velocity Semiamplitude K | 3.95 (± 0.8) m/s | |
|
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
GJ 176| Name | GJ 176 | ||
| Distance | 9.42 (± 0.22) pc | |
|
| Spectral type | M2.5V | ||
| Apparent magnitude V | 9.97 | ||
| Mass | 0.49 (± 0.014) MSun | |
|
| Age | — | ||
| Effective temperature | — | ||
| Radius | 0.53 RSun | |
|
| Metallicity [Fe/H] | -0.1 (± 0.2) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 04:42:56.0 | ||
| Dec2000 | +18:57:29 | ||
| Alternate Names | |||
| Planetary system | 2 planets |
Observability Predictor 
Remarks
Alias GJ 176 b05 Sep. 2008: A planet with a mass of 25 MEarth and a period of 10.24 days was claimed by Endl et al 2007. Forveille et al. 2008. show that Endl et al.'s detection is invalidated and propose a different planet with a mass of 7.8 Mearth and a period of 8.8 days.
Other web-pages
Geneva Observatory pageMc Donald data
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