13.1 * --- - P.
, .
13.2 * --- V
<Mv> = -1.3m -3.0m lg P,
P ---
<Mv> --- . Cep ( 5.3 d).
13.3 * 43 , . 20 . , ?
13.4 * 5500 7000 , --- . ? .
13.5 , 0.1 . , - . , , .. .
13.6 , , , Cen, . ., , .
13.7 ) ) , Cen ?
14.1 * A0 . ?
14.2 , --- (T = 80000 K). . ?
14.3 * T = 100000 ?
14.4 * T = 16000 K . , . , .
14.5 * , HII n .
14.6 , H2, , -3.
14.7 * ( /2), ( %) L . ( 100 ).