Star Age Relative to Sol Theoretical MS Lifespan
54 Orionis 100 Ma Hadean (Life -490 Ma) 10 Ga
Fomalhaut 200 Ma Hadean (Life -390 Ma) 1.2 Ga
TW Piscis Austrini 200 Ma Hadean (Life -390 Ma) 17 Ga
Sirius 300 Ma Hadean (Life -290 Ma) 1.7 Ga
Vega (youngest estimate) 386 Ma Hadean (Life -204 Ma) 1.5 Ga
61 Ursae Majoris (youngest estimate) 500 Ma Hadean (Life -90 Ma) 17 Ga
Al-Sadirah 500 Ma Hadean (Life -90 Ma) 15 Ga
Vega (oldest estimate) 572 Ma Hadean (Life -18 Ma) 1.5 Ga
96 Ceti 750 Ma Hadean (Oxygen Atmosphere -1.3 Ga) 13 Ga
70 Ophiuchi 800 Ma Archaean (Oxygen Atmosphere -1.3 Ga) 12 Ga (A), 24 Ga (B)
61 Ursae Majoris (oldest estimate) 1 Ga Archaean (Oxygen Atmosphere -1.1 Ga) 17 Ga
Altair 1 Ga Archaean (Oxygen Atmosphere -1.1 Ga) 2.7 Ga
Groombridge 1618 1 Ga Archaean (Oxygen Atmosphere -1.1 Ga) 31 Ga
Xi Boötis 1 Ga Archaean (Oxygen Atmosphere -1.1 Ga) 13 Ga (A), 24 Ga (B)
Epsilon Indi 1.3 Ga Archaean (Oxygen Atmosphere -790 Ma) 19 Ga
Procyon 1.7 Ga Archaean (Oxygen Atmosphere -390 Ma) 3.6 Ga
Beta Comae Berenices (youngest estimate) 1.7 Ga Archaean (Oxygen Atmosphere -390 Ma) 8.9 Ga
HR 1614 2 Ga Archaean (Oxygen Atmosphere -90 Ma) 15 Ga
HR 511 (youngest estimate) 2.3 Ga Paleoproterozoic (Complex Life -1.7 Ga) 15 Ga
Gamma Leporis 2.7 Ga Paleoproterozoic (Complex Life -1.3 Ga) 6.3 Ga (A), 32 Ga (B)
Alsafi 3.3 Ga Mesoproterozoic (Complex Life -660 Ma) 14 Ga
Chara 4 Ga Cambrian 8.2 Ga
HR 511 (oldest estimate) 4 Ga Cambrian 15 Ga
Keid (youngest estimate) 4 Ga Cambrian 15 Ga (A)
18 Scorpii 4.2 Ga Devonian 9.8 Ga
HD 98618 4.21 Ga Devonian 9.5 Ga
Beta Comae Berenices (oldest estimate) 4.4 Ga Jurassic 8.9 Ga
Sol 4.59 Ga Holocene 10 Ga
Rigil Kentaurus (youngest estimate) 4.85 Ga + 260 Ma 7.9 Ga (A), 13 Ga (B)
Delta Pavonis (youngest estimate) 5 Ga + 410 Ma 11 Ga
37 Geminorum 5.5 Ga + 910 Ma 7.9 Ga
Achird 5.8 Ga + 1.2 Ga 13 Ga (A), 43 Ga (B)
HD 10307 5.9 Ga + 1.3 Ga 11 Ga (A)
107 Piscium 6 Ga + 1.4 Ga 13 Ga
Alula Australis 6 Ga + 1.4 Ga 8.9 Ga (A), 13 Ga (B)
47 Ursae Majoris 6.03 Ga + 1.44 Ga 9.3 Ga
Delta Pavonis (oldest estimate) 7 Ga + 2.4 Ga 11 Ga
HR 4523 7 Ga + 2.4 Ga 24 Ga
Rigil Kentaurus (oldest estimate) 7.6 Ga + 3 Ga 7.9 Ga (A), 13 Ga (B)
Batentaban Borealis 8 Ga + 3.4 Ga 9.2 Ga (A), 21 Ga (B)
Gamma Pavonis 9.1 Ga + 4.5 Ga 17 Ga
16 Cygni 9.5 Ga + 4.9 Ga 9.5 Ga (A), 11 Ga (B)
Bessel's Star 10 Ga + 5.4 Ga 24 Ga (A), 32 Ga (B)
Durre Menthor 10 Ga + 5.4 Ga 17 Ga
Gliese 783 10 Ga + 5.4 Ga 16 Ga (A)
Keid (oldest estimate) 12 Ga + 7.4 Ga 15 Ga (A)
e Eridani 13 Ga + 8.4 Ga 11 Ga