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 | — |
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 |
05 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.
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