The Sun’s Back Yard ::: Selected Star Systems Within 40 Parsecs [130 light years]
|
STAR |
TYPE |
AGE (GYR) |
DIST. (pc) |
REMARKS |
|
Sirius |
A1 |
0.24 |
2.64 |
Binary, white dwarf |
|
Vega |
A0 |
0.20 |
7.7 |
Debris disk (MORE) |
|
Fomalhaut |
A3 |
0.29 |
7.7 |
1 planet, debris (MORE) |
|
Pollux |
K0 III |
- |
10.34 |
Red giant, 1 planet |
|
Denebola |
A3 |
0.05 |
11 |
Debris disk |
|
Arcturus |
K1 III |
- |
11.35 |
Red giant |
|
55 Cancri |
G8 |
7.24 |
12.53 |
5 planets (MORE) |
|
HD 69830 |
K0 |
4.68 |
12.58 |
3 planets, debris (MORE) |
|
HD 40307 |
K2 |
2.6 |
12.80 |
3 planets (MORE) |
|
Upsilon Andromedae |
F8 |
3.00 |
13.47 |
3 planets (MORE) |
|
47 Ursae Majoris |
G0 |
6.48 |
14.08 |
2 planets (MORE) |
|
Mu Arae |
G3 |
6.40 |
15.28 |
4 planets (MORE) |
|
Gliese 777 (HD 190360) |
G6 |
13.4 |
15.89 |
2 planets (MORE) |
|
Castor |
A2 |
- |
15.95 |
Quadruple system |
|
HD 128311 |
K0 |
0.96 |
16.57 |
2 planets, debris (MORE) |
|
Iota Centauri |
A2 |
0.35 |
18 |
Debris disk |
|
Beta Pictoris |
A5 |
0.01 |
19.3 |
Debris disk (MORE) |
|
HD 217107 |
G8 |
5.84 |
19.72 |
2 planets (MORE) |
|
Aldebaran |
K5 III |
- |
20.00 |
Red giant |
|
STAR |
TYPE |
AGE (GYR) |
DIST. (pc) |
REMARKS |
|
16 Cygni B (HD 186427 ) |
G2 |
11.8 |
21.41 |
Binary, 1 planet |
|
Zeta Leporis |
A2 |
0.231 |
21.53 |
Debris disk |
|
Alphecca |
A0 |
- |
23.00 |
Debris disk |
|
Kappa Phoenicis |
A7 |
0.69 |
23.5 |
Debris disk |
|
Regulus |
B7 |
- |
23.80 |
|
|
Mizar |
A2, A5 |
0.30 |
24.10 |
UMa Group |
|
Merak |
A1 |
0.30 |
24.35 |
UMa Group; debris disk |
|
Alioth |
A0 |
0.30 |
24.81 |
UMa Group |
|
Megrez |
A3 |
0.30 |
24.85 |
UMa Group; debris disk |
|
Alcor |
A5 |
0.30 |
24.88 |
UMa Group |
|
Menkalinan |
A2, A2 |
- |
25.18 |
|
|
Phecda |
A0 |
0.30 |
25.77 |
UMa Group |
|
HD 82943 |
G0 |
3.00 |
27.46 |
2 planets, debris |
|
Algol |
B5, K0 IV, A5 |
- |
28.47 |
Massive triple star |
|
Omega Tauri |
A3 |
0.19 |
28.7 |
Debris disk |
|
Gamma Ophiuchi |
A0 |
0.18 |
29.1 |
Debris disk |
|
Alpheratz |
B8 |
- |
29.75 |
|
|
HD 125162 |
A0 |
- |
29.8 |
Debris disk |
|
STAR |
TYPE |
AGE (GYR) |
DIST. (pc) |
REMARKS |
|
Alkaid (Eta Ursae Majoris) |
B3 |
- |
30.67 |
|
|
Alnair |
B6 |
- |
30.98 |
|
|
Kappa Coronae Borealis |
K0 III |
- |
31.1 |
Red giant, 1 planet |
|
Vindemiatrix |
G8 III |
- |
31.28 |
Red giant |
|
Iota Draconis |
K2 III |
- |
31.33 |
Red giant, 1 planet |
|
Epsilon Pavonis |
A0 |
0.01 |
32.5 |
Debris disk |
|
HD 37124 |
G4 |
10.12 |
33.24 |
3 planets (MORE) |
|
HD 11964 |
G5 |
8.00 |
33.98 |
2 planets |
|
Alpha Horologii |
K1 III |
- |
35.89 |
Red giant |
|
Gamma Trianguli |
A1 |
0.30 |
36.1 |
Debris disk |
|
HD 169830 |
F8 |
4.95 |
36.32 |
2 planets |
|
Rho Virginis |
A0 |
0.01 |
36.9 |
Debris disk |
|
7 Orionis |
A0 |
0.01 |
37 |
Debris disk |
|
HD 12661 |
G6 |
6.48 |
37.16 |
2 planets |
|
HD 168443 |
G5 |
11.08 |
37.88 |
2 planets |
|
30 Monocerotis |
A0 |
0.17 |
38.3 |
Debris disk |
|
Algieba |
K1 III, G7 III |
2.0 |
38.65 |
Red giant |
|
Kochab |
K4 III |
- |
38.65 |
Red giant |
|
HR 8799 |
A5 |
0.06 |
39.4 |
3 gas giants, debris |
|
HD 28185 |
G5 |
5.36 |
39.56 |
Super Jupiter in Earthlike orbit |
|
Elnath (Beta Tauri) |
B7 III |
- |
39.88 |
Blue giant |
|
Alpha Coronae Australis |
A2 |
- |
39.88 |
Debris disk |
|
STAR |
TYPE |
AGE (GYR) |
DIST. (pc) |
REMARKS |
All References
Kaler J. Stars. Accessed September 11, 2008.
Kalas P, Graham JR, Chiang E, Fitzgerald MP, Clampin M, Kite ES, Stapelfeldt K, Marois C, Krist J. (2008) Optical images of an exosolar planet 25 light years from Earth. SciencExpress, 13 November 2008; 10.1126/science.1166609.
King JR. (2003) Stellar kinematic groups. II. A reexamination of the membership, activity, and age of the Ursa Major group. Astronomical Journal, 125: 1980–2017.
Marois C, Macintosh B, Barman T, Zuckerman B, Song I, Patience J, Lafreniere D, Doyon R. (2008) Direct Imaging of Multiple Planets Orbiting the Star HR 8799. SciencExpress (10.1126/science.1166585).
Su KYL, Rieke GH, Stansberry JA, et al. (2006) Debris disk evolution around A stars. Astrophysical Journal, 653: 675-689.
Su KYL, Rieke GH, Stapelfeldt KR, Smith PS, Bryden G, Chen CH, Trilling DE. (2008) The exceptionally large debris disk around Gamma Ophiuchi. Astrophysical Journal, 679: L125–L129.
Takeda G, Ford EB, Sills A, Rasio FA, Fischer DA, Valenti JA. (2007) Structure and evolution of nearby stars with planets II: Physical properties of ~1000 cool stars from the SPOCS catalog. Astrophysical Journal (Supplement), 168: 297-318. Online database: Structure & Evolution of Target Stars.
Trilling DE, Bryden G, Beichman CA, Rieke GH, Su KYL, Stansberry JA, Blaylock M, Stapelfeldt KR, Beeman JW, Haller EE. (2008) Debris disks around Sun-like stars. Astrophysical Journal, 674: 1086-1105.
HOME PAGE MAIN DISCUSSION OF SOLAR NEIGHBORHOOD SITE INDEX
Last update November 2008