It is a yellow - white supergiant of spectral type F8II+ , 1600 light - years away .
AX is a Cepheid variable that varies between magnitudes 5.6 and 6.19 over 5.3 days .
AX is a yellow - white Cepheid variable of spectral type F8II+ , 1600 light - years away .
AX is a Cepheid variable that varies between magnitudes 5.6 and 6.19 over 5.3 days .