B	V
A	14.98	14.41
B	15.74	14.79
C	16.22	15.51
D	16.14	15.51
E	16.52	15.12
F	16.8	16.2

 

 

 

Astronomical Journal Vol 76, number 5, june 1971

Photoelectric sequence for brighter QSO

Angione

 

 

 

Mesures