[1] NASA,GODDARD SPACE FLIGHT CTR,ASTRON & SOLAR PHYS LAB,CODE 681,GREENBELT,MD 20771
[2] UNIV CALIF SAN DIEGO,CTR ASTROPHYS & SPACE SCI,C-011,LA JOLLA,CA 92093
[3] NASA,GODDARD SPACE FLIGHT CTR,CODE 440,GREENBELT,MD 20771
[4] BALL AEROSP SYST GRP,BOULDER,CO 80306
[5] DOMINION ASTROPHYS OBSERV,VICTORIA V8X 4M6,BC,CANADA
[6] UNIV CALIF LOS ANGELES,DEPT ASTRON,LOS ANGELES,CA 90024
[7] NATL INST STAND & TECHNOL,DIV QUANTUM PHYS,BOULDER,CO 80309
[8] UNIV COLORADO & NATL INST STAND & TECHNOL,JOINT INST LAB ASTROPHYS,BOULDER,CO 80309
[9] NASA,GODDARD SPACE FLIGHT CTR,ASTRON & SOLAR PHYS LAB,CODE 680,GREENBELT,MD 20771
[10] UNIV WISCONSIN,DEPT AUGEN,MADISON,WI 53706
[11] UNIV TEXAS,MCDONALD OBSERV,AUSTIN,TX 78712
[12] UNIV TEXAS,DEPT ASTRON,AUSTIN,TX 78712
[13] SUNY STONY BROOK,STONY BROOK,NY 11794
[14] CARNEGIE INST WASHINGTON,OBSERV,PASADENA,CA 91101
[15] NASA,GODDARD SPACE FLIGHT CTR,COMP SCI CORP,CODE 681,GREENBELT,MD 20771
[16] SPACE TELESCOPE SCI INST,BALTIMORE,MD 21218
[17] UNIV WISCONSIN,DEPT ASTRON,MADISON,WI 53706