List of oldest stars


The age of the oldest known stars approaches the age of the universe, about 13.8 billion years. These are recognized as among the oldest:
NameAgeDistanceDistance descriptor
Cayrel's Star or BPS CS31082-000112.5 billion years ± 4 billion years14000 ly Milky Way Galactic Halo
HE 1327-2326unstated4000 lyMilky Way Galactic Halo
SDSS J102915+172927 or Caffau's Star13 billion years4500 ly Milky Way Galactic Halo
HE0107-524013 billion years36000 lyMilky Way Galactic Halo
HD 12256313 billion years770 lyMilky Way
Sneden's Star or BPS CS22892-005213 billion years15300 lyMilky Way Galactic Halo
HE 1523-090113.2 billion years7500 lyMilky Way Galactic Halo
2MASS J18082002-5104378 B13.53 billion years1950 lyMilky Way thin disk
SMSS J031300.36-670839.313.6 billion years6000 lyMilky Way Galactic Halo or Globular Clusters
BD +17° 324813.8 ± 4 billion years968 lyMilky Way Galactic Halo
HD 140283 or the Methuselah Star14.46 ± 0.8 billion years190 lyMilky Way, 19° north of Galactic Centre, closer than the Galactic Bulge
J173823.38-145701.113.2 Gy or more28000 ly Milky Way bulge
J182048.26-273329.213.2 Gy or more20000 ly Milky Way bulge
J183744.90-280831.113.2 Gy or more57400 ly Milky Way bulge
J183647.89-274333.113.2 Gy or more22000 ly Milky Way bulge
J183812.72-270746.313.2 Gy or more40100 ly Milky Way bulge
J183719.09-262725.013.2 Gy or more32600 ly Milky Way bulge
J184201.19-302159.613.2 Gy or more31000 ly Milky Way bulge
J184656.07-292351.513.2 Gy or more31000 ly Milky Way bulge
J181406.68-313106.113.2 Gy or more30000 ly Milky Way bulge
J181317.69-343801.913.2 Gy or more21000 ly Milky Way bulge
J181219.68-343726.413.2 Gy or more26000 ly Milky Way bulge
J181609.62-333218.713.2 Gy or more33900 ly Milky Way bulge
J181634.60-340342.513.2 Gy or more34200 ly Milky Way bulge
J175544.54-392700.913.2 Gy or more44000 ly Milky Way bulge
J175455.52-380339.313.2 Gy or more44000 ly Milky Way bulge
J175746.58-384750.013.2 Gy or more30000 ly Milky Way bulge
J181736.59-391303.313.2 Gy or more51200 ly Milky Way bulge
J181505.16-385514.913.2 Gy or more16000 ly Milky Way bulge
J181921.64-381429.013.2 Gy or more36500 ly Milky Way bulge
J175722.68-411731.813.2 Gy or more40400 ly Milky Way bulge
J175021.86-414627.113.2 Gy or more13000 ly Milky Way bulge
J175636.59-403545.913.2 Gy or more32000 ly Milky Way bulge
J175433.19-411048.913.2 Gy or more18000 ly Milky Way bulge

Some of these are among the first stars from reionization, ending the Dark Ages about 370,000 years after Big Bang.