HE 1327-2326
Star
HE 1327-2326, discovered in 2005 by Anna Frebel and collaborators, was the star with the lowest known iron abundance until SMSS J031300.36−670839.3 was discovered. The star is a member of Population II stars, with a solar-standardised iron to... Wikipedia
Surface temperature: 3,650 K
Mass: 1.591 × 10^30 kg (0.8 M☉)
Metallicity: = −5.4±0.2
Magnitude: 13.5
Radius: 345,800 mi (0.8 R☉)