29 Two-Planet Systems
sorted by increasing star mass
as of March 2010
|
Star |
Type |
MSOL |
[Fe/H] |
Age (Gyr) |
Dist. (pcs) |
P |
MJUP |
a (AU) |
e |
Period (days) |
|
BD-08°2823
1 |
K3 |
0.74 |
-0.070 |
4.5 |
42.20 |
b |
0.045 |
0.06 |
0.15 |
5.60 |
|
BD-08°2823 1 |
K3 |
0.74 |
-0.07 |
4.5 |
42.20 |
c |
0.33 |
0.68 |
0.19 |
238 |
|
HD 128311 |
K0 |
0.82 |
+0.205 |
1.92 |
16.57 |
b |
2.19 |
1.10 |
0.25 |
459 |
|
HD 128311 |
K0 |
0.82 |
+0.205 |
1.92 |
16.57 |
c |
3.22 |
1.76 |
0.17 |
928 |
|
HD
45364 2 |
K0 |
0.82 |
-0.170 |
- |
33.00 |
b |
0.19 |
0.68 |
0.17 |
227 |
|
HD 45364 2 |
K0 |
0.82 |
-0.170 |
- |
33.00 |
c |
0.66 |
0.90 |
0.10 |
343 |
|
HD 155358 |
G0 |
0.87 |
-0.680 |
10 |
42.70 |
b |
0.89 |
0.63 |
0.11 |
195 |
|
HD 155358 |
G0 |
0.87 |
-0.680 |
10 |
42.70 |
c |
0.50 |
1.22 |
0.18 |
530 |
|
HD 215497 4 |
K3 |
0.87 |
+0.230 |
- |
43.50 |
b |
0.017 |
- |
- |
3.93 |
|
HD 215497 |
K3 |
0.87 |
+0.23 |
- |
43.50 |
c |
0.33 |
- |
- |
567 |
|
CoRoT-7
3 |
G9 |
0.93 |
+0.030 |
1.75 |
150 |
b |
0.015 |
0.02 |
0 |
0.85 |
|
CoRoT-7 |
G9 |
0.93 |
+0.030 |
1.75 |
150 |
c |
0.026 |
0.05 |
0 |
3.70 |
|
HD 147018 4 |
G9 |
0.93 |
+0.100 |
6.36 |
42.96 |
b |
2.12 |
0.24 |
0.47 |
44.2 |
|
HD 147018 1 |
G9 |
0.93 |
+0.100 |
6.36 |
42.96 |
c |
6.56 |
1.92 |
0.13 |
1008 |
|
HD47186 5 |
G5 |
0.99 |
+0.230 |
- |
37.84 |
b |
0.072 |
0.05 |
0.04 |
4.08 |
|
HD47186 3 |
G5 |
0.99 |
+0.230 |
- |
37.84 |
c |
0.35 |
2.39 |
0.25 |
1354 |
|
HD
9446 4 |
G5 |
1.00 |
+0.090 |
- |
53.00 |
b |
0.70 |
0.19 |
0.20 |
30.1 |
|
HD 9446 |
G5 |
1.00 |
+0.090 |
- |
53.00 |
c |
1.82 |
0.65 |
0.06 |
193 |
|
HD 108874 |
G5 |
1.00 |
+0.182 |
- |
68.54 |
b |
1.34 |
1.05 |
0.13 |
395 |
|
HD 108874 |
G5 |
1.00 |
+0.182 |
- |
68.54 |
c |
1.06 |
2.77 |
0.27 |
1680 |
|
Gliese 777 |
G6 |
1.01 |
+0.213 |
13.4 |
15.89 |
c |
0.06 |
0.13 |
0.24 |
17.1 |
|
Gliese 777 |
G6 |
1.01 |
+0.213 |
13.4 |
15.89 |
b |
1.56 |
4.01 |
0.31 |
2915 |
|
HD 168443 |
G5 |
1.05 |
+0.077 |
11.08 |
37.88 |
b |
8.01 |
0.30 |
0.53 |
58.1 |
|
HD 168443 |
G5 |
1.05 |
+0.077 |
11.08 |
37.88 |
c |
18.1 |
2.91 |
0.21 |
1748 |
|
HD 73526 |
G6 |
1.05 |
+0.250 |
11.5 |
94.61 |
b |
2.07 |
0.66 |
0.19 |
188 |
|
HD 73526 |
G6 |
1.05 |
+0.250 |
11.5 |
94.61 |
c |
2.50 |
1.05 |
0.14 |
378 |
|
HD 134987 6 |
G5 |
1.07 |
+0.250 |
8.4 |
22.20 |
b |
1.59 |
0.81 |
0.23 |
258 |
|
HD 134987 |
G5 |
1.07 |
+0.250 |
8.4 |
22.20 |
c |
0.82 |
5.80 |
0.12 |
5000 |
|
HD 202206 |
G6 |
1.07 |
- |
2.04 |
46.34 |
b |
17.3 |
0.82 |
0.44 |
256 |
|
HD 202206 |
G6 |
1.07 |
- |
2.04 |
46.34 |
c |
2.40 |
2.52 |
0.27 |
1383 |
|
Star |
Type |
MSOL |
[Fe/H] |
Age (Gyr) |
Dist. (pcs) |
P |
MJUP |
a (AU) |
e |
Period (days) |
|
HD 187123 |
G5 |
1.08 |
+0.121 |
7.40 |
47.92 |
b |
0.52 |
0.04 |
0.01 |
3.1 |
|
HD 187123 |
G5 |
1.08 |
+0.121 |
7.40 |
47.92 |
c |
1.99 |
4.89 |
0.25 |
3810 |
|
HD 217107 |
G8 |
1.10 |
+0.389 |
5.84 |
19.72 |
b |
1.39 |
0.075 |
0.13 |
7.13 |
|
HD 217107 |
G8 |
1.10 |
+0.389 |
5.84 |
19.72 |
c |
2.49 |
5.27 |
0.52 |
4210 |
|
HD 12661 |
G6 |
1.11 |
+0.362 |
6.48 |
37.16 |
b |
2.30 |
0.83 |
0.38 |
263 |
|
HD 12661 |
G6 |
1.11 |
+0.362 |
6.48 |
37.16 |
c |
1.92 |
2.90 |
0.03 |
1708 |
|
HD 11964 |
G5 |
1.12 |
+0.122 |
8.00 |
33.98 |
c |
0.079 |
0.23 |
0.30 |
37.9 |
|
HD 11964 |
G5 |
1.12 |
+0.122 |
8.00 |
33.98 |
b |
0.62 |
3.16 |
0.04 |
1945 |
|
HD 183263 |
G2 IV |
1.17 |
+0.302 |
- |
52.83 |
b |
3.73 |
1.51 |
0.38 |
625 |
|
HD 183263 |
G2 IV |
1.17 |
+0.302 |
- |
52.83 |
c |
3.82 |
4.25 |
0.25 |
2950 |
|
HD 82943 |
G0 |
1.18 |
+0.265 |
2.83 |
27.46 |
b |
2.01 |
0.75 |
0.36 |
219 |
|
HD 82943 |
G0 |
1.18 |
+0.265 |
2.83 |
27.46 |
c |
1.75 |
1.20 |
0.22 |
441 |
|
HD 68988 7 |
G0 |
1.18 |
+0.324 |
3.40 |
58.82 |
b |
1.92 |
0.07 |
0.15 |
6.28 |
|
HD 68988 4 |
G0 |
1.18 |
+0.324 |
3.40 |
58.82 |
c |
5.29 |
5.32 |
0.01 |
4100 |
|
HD 11506 4 |
G0 |
1.19 |
+0.310 |
5.4 |
53.82 |
c |
0.82 |
0.64 |
0.42 |
170 |
|
HD 11506 1 |
G0 |
1.19 |
+0.310 |
5.4 |
53.82 |
b |
3.44 |
2.43 |
0.22 |
1270 |
|
HAT-P-13 8 |
G4 |
1.22 |
+0.430 |
5.0 |
214 |
b |
0.85 |
0.04 |
0.02 |
2.92 |
|
HAT-P-13 5 |
G4 |
1.22 |
+0.430 |
5.0 |
214 |
c |
15.2 |
1.19 |
0.69 |
429 |
|
HD 169830 |
F8 |
1.43 |
+0.153 |
2.60 |
36.32 |
b |
2.92 |
0.82 |
0.31 |
226 |
|
HD 169830 |
F8 |
1.43 |
+0.153 |
2.60 |
36.32 |
c |
4.10 |
3.62 |
0.33 |
2100 |
|
HD 60532 4 |
F6 IV |
1.44 |
-0.420 |
2.7 |
25.70 |
b |
1.03 |
0.76 |
0.28 |
201 |
|
HD 60532 1 |
F6 IV |
1.44 |
-0.420 |
2.7 |
25.70 |
c |
2.46 |
1.58 |
0.02 |
604 |
|
HD 177830 7 |
K0 IV |
1.46 |
+0.545 |
3.24 |
59.03 |
c |
0.19 |
0.51 |
0.40 |
111 |
|
HD 177830 4 |
K0 IV |
1.46 |
+0.545 |
3.24 |
59.03 |
b |
1.43 |
1.22 |
0.04 |
408 |
|
HD 38529 |
G4 IV |
1.47 |
+0.445 |
3.28 |
42.43 |
b |
0.86 |
0.13 |
0.24 |
14.3 |
|
HD 38529 |
G4 IV |
1.47 |
+0.445 |
3.28 |
42.43 |
c |
13.1 |
3.72 |
0.36 |
2146 |
|
HD 102272 |
K2 III |
1.90 |
-0.260 |
0.70 |
362 |
b |
5.91 |
0.62 |
0.05 |
128 |
|
HD 102272 |
K2 III |
1.90 |
-0.260 |
0.70 |
362 |
c |
2.63 |
1.57 |
0.68 |
520 |
|
Star |
Type |
MSOL |
[Fe/H] |
Age (Gyr) |
Dist. (pcs) |
P |
MJUP |
a (AU) |
e |
Period (days) |
Column 1 star name; Column 2 spectral type; Column 3 star mass in units of Solar mass; Column 4 star metallicity; Column 5 star age in billions of years; Column 6 star distance in parsecs; Column 7 planet designation; Column 8 minimum planet mass in units of Jupiter mass; Column 9 planet semimajor axis in astronomical units (AU), where Earth = 1 AU; Column 10 orbital eccentricity; Column 11 orbital period in days.
Notes
1 Hebrard G, Udry
S, Lo Curto G, Robichon N, Naef D, Ehrenreich D, et al.
(2009) The HARPS search for southern extra-solar planets XX. Planets around the
active star BD -08°2823. Astronomy & Astrophysics, in press.
2 Correia
A, Udry S, Mayor M, Benz W, Bertaux
J-L, Bouchy F, Laskar J, Lovis C, Mordasini C, Pepe F, Queloz D. (2009) The
HARPS search for southern extra-solar planets XVI. HD 45364, a pair of planets
in a 3:2 mean motion resonance. Astronomy &
Astrophysics, 496: 521-526.
3 Leger
A, Rouan D, Schneider J, et al. (2009) Transiting
exoplanets from the CoRoT space mission VIII.
CoRoT-7b: the first Super-Earth with measured radius. Astronomy &
Astrophysics, 506: 287-302; Queloz D, Bouchy F, Moutou C, et al. (2009) The CoRoT-7 planetary system: two
orbiting Super-Earths. Astronomy & Astrophysics, 506:
303-319. Abstract.
4 Extrasolar Planets
Encyclopaedia (http://exoplanet.eu).
5 Bouchy F, Mayor M, Lovis C, Udry S, Benz W, Bertaux J-L, Delfosse X, Mordasini C, Pepe F, Queloz D, Segransan D. (2009) The HARPS search for southern extra-solar planets XVII. Super-Earth and Neptune-mass planets in multiple planet systems HD 47186 and HD 181433. Astronomy & Astrophysics, 496: 527-531.
6 Jones
H, Butler RP, Tinney CG, OToole S, Wittenmyer R, Henry GW, et al. (2009) A long-period planet
orbiting a nearby Sun-like star. Monthly Notices of the Royal Astronomical Society,
in press.
7 Catalog of Nearby
Exoplanets (http://exoplanets.org).
8 Bakos
GA, Howard AW, Noyes RW, Hartman J, Torres G, Kovacs G, et al. (2009)
HAT-P-13b, c: A transiting Hot Jupiter with a massive outer companion on an eccentric
orbit. Astrophysical Journal, 707:
446-456. Abstract.
Spectral types are taken from the SIMBAD database. Except as indicated, stellar ages follow Takeda et al. 2007, and other stellar parameters were retrieved February 1, 2008, from Butler et al., Catalog of Nearby Exoplanets. Planet parameters follow Wright et al. 2009, except as indicated.
Comprehensive Sources
Butler RP, Wright JT, Marcy GW, Fischer DA, Vogt SS, Tinney CG, Jones HRA, Carter BD, Johnson JA, McCarthy C.
Catalog of Nearby Exoplanets. (2006) Astrophysical Journal, 646:
505-522.
Extrasolar Planets
Encyclopaedia (http://exoplanet.eu)
Takeda G, Ford EB, Sills A, Rasio RA, Fischer DA, Valenti JA. Structure and Evolution of Nearby Stars with Planets II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog. (2007) Astrophysical Journal Supplement Series, 168: 297-318.
Wright JT, Upadhyay S, Marcy GW, Fischer DA, Ford EB, Johnson JA. (2009) Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems. Astrophysical Journal, 693: 1084-1099.