Planet beta Umi b
Name |
beta Umi b |
|
|
Planet Status |
Confirmed |
|
|
Discovered in |
2014 |
|
|
Mass |
6.1 ( -1.0 +1.0 ) MJ |
|
|
Mass*sin(i) |
6.1 ( -1.0 +1.0 ) MJ |
 |
|
Semi-Major Axis |
1.4 (± 0.1) AU |
 |
|
Orbital Period |
522.3 (± 2.7) day |
 |
|
Eccentricity |
0.19 (± 0.02) |
 |
|
ω |
307.4 (± 2.8) deg |
 |
|
Tperi |
2453175.3 (± 4.6) JD |
 |
|
Radius |
— |
|
|
Inclination |
— |
|
|
Update |
2014-05-12 |
|
|
Detection Method |
Radial Velocity |
|
|
Mass Detection Method |
— |
|
|
Radius Detection Method |
— |
|
|
Primary transit |
— |
|
|
Secondary transit |
— |
|
|
λ |
— |
|
|
Impact Parameter b |
— |
|
|
Time Vr=0 |
— |
|
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Velocity Semiamplitude K |
— |
|
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Calculated temperature |
— |
|
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Measured temperature |
— |
|
|
Hottest point longitude |
— |
|
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Geometric albedo |
— |
|
|
Surface gravity log(g/gH) |
— |
|
|
Alternate Names |
— |
|
|
Star
Name |
beta Umi |
|
|
Distance |
40.14 (± 0.2) pc |
 |
|
Spectral type |
K4III |
|
|
Apparent magnitude V |
2.08 |
|
|
Mass |
1.4 (± 0.2) MSun |
 |
|
Age |
2.95 Gyr |
 |
|
Effective temperature |
4126.0 (± 25.0) K |
 |
|
Radius |
42.06 RSun |
 |
|
Metallicity [Fe/H] |
-0.27 (± 0.07) |
 |
|
Detected Disc |
— |
|
|
Magnetic Field |
— |
|
|
RA2000 |
14:50:42.0 |
|
|
Dec2000 |
+74:09:20 |
|
|
Alternate Names |
|
|
|
Planetary system |
1 planet
|
|
Related publications
A search for radio emission from exoplanets around evolved stars
2018
O'GORMAN E., COUGHLAN C., VLEMMINGS W., VARENIUS E., SIROTHIA S. et al.
Astron. & Astrophys., submitted
arxiv
Planetary companions in K giants beta Cancri, mu Leonis, and beta Ursae Minoris
2014
LEE B.-C., HAN I., PARK M.-G., MKRTICHIAN D., HATZES A. & KIM K.-M.
Astron. & Astrophys., 566, A67
paper arxiv