[1] UK INFRARED TELESCOPE,HILO,HI 96720
[2] GENEVA OBSERV,CH-1290 SAUVERNY,SWITZERLAND
[3] EUROPEAN SO OBSERV,SPACE TELESCOPE EUROPEAN COORDINATING FACIL,D-8046 GARCHING,FED REP GER
[4] UNIV LONDON QUEEN MARY COLL,DEPT PHYS,LONDON E1 4NS,ENGLAND
[5] EUROPEAN SPACE AGCY,DEPT SPACE SCI,2200 AG NOORDWIJK,NETHERLANDS