南京师范大学物理系;
南京210097;
National Optical Astronomy Observatory;
950 North Cherry Avenue;
P.O.Box 26732;
AZ 85726-6732;
USA;
Department of Physics and Astronomy;
University of Wyoming;
P.O.Box 3905;
Laramie;
WY 82071;
USA;
Space Telescope Science Institute;
3700 San Martin Drive;
Baltimore;
MD 21218;
USA;