Extrasolar
Planetary Systems
©
S.Ferraz-Mello
Extrasolar
Planetary System around MS stars [pdf]
(With 2 or
more planets)
Extrasolar
Planetary System around one pulsar
(With 2 or
more planets)
Star
& Planets |
Period Ratio(*) |
Mass (m_Earth) (***) |
Semi-Axis (AU) |
Period (days) |
Eccentricity | Inclination on sky plane (deg) |
Orbit taken from |
PSR
B1257+12 A,B,C |
2.63 1.48 |
0.02
(**) 4.3 3.9 |
0.19 0.36 0.47 |
25.262 66.5419 98.2114 |
0.0 0.0186 0.0252 |
? 53 47 |
Konacki
& Wolszczan (2003) |
Outer Solar System
Planet
|
Period Ratio(*) |
Mass (m_Jup) |
Semi-Axis (AU) |
Period (years) |
Eccentricity | Inclination on the ecliptic (deg.) |
Jupiter Saturn Uranus Neptune |
2.500 2.831 1.958 |
1.0 0.30 0.046 0.054 |
5.204 9.584 19.178 30.004 |
11.866 29.668 83.987 164.493 |
0.0489 0.0571 0.0468 0.0112 |
1.3 2.5 0.6 1.6 |
CLASS | Period Ratio | Features | Members [pairs] | Notes |
Ia | typical
2-3 (but 5 in the pair with a brown-dwarf) |
Low
Period Ratio; Mean-Motion resonances; high eccentricities |
GJ 876 [c,b] HD 73526 HD 128311 HD 82943 HD 202206 |
w/ brown-dwarf |
Ib | < 3 | Low
Period Ratio Low eccentricities often near resonances |
HD 160691 [e,b] GJ 581 [b,c] HD 155358 55 Cnc [b,c] PSR B +1257-12 [A,B,C] outer Solar System inner Solar System |
(2.09) Ia ??? (3.03) Ia ??? |
II | 4-15 | Intermediate
Period Ratio Important secular dynamics |
HD 69830 [c,d] HD 177830 HD 108874 55 Cnc [e,b],[c,f] HD 160691 [b,c] upsilon And [b,c,d] HD 37124 [b,d] HD 69830[c,d] HD 12661 GJ 581 [c,d] HD 74156 [b,d,c] 47 UMa HD 74156 HD 169830 [b,c,d] HD 14810 |
(?) cand. IIb [b,c](52,2)III(?) ex Ib |
III | > 30 | High
Period Ratio Weaker interaction Hierarchical |
GJ 876 [d,c] 55 Cnc [f,d] HD 168443 HD 160691 [d,e] HD 11964 HD 38529 HD 190360 HD 217107 HD 68988 HD 187123 |
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