Progress in the last one week.

27th of Feb (Mon)

all cryocoolers (four cryocoolers for cryostat and two cryocoolers for cryoduct) started to work
(16:50 JST). We measured vibration before and after start of cooling. We observed cryocooler generates
vibration. Details are being analyzed.

Photo
https://photos.google.com/share/AF1QipPA0p75Ew1F-fx_iPahKElRBCBC77ZChmvsQxCpJReiasF8rD2Fk_0WNQ90zjO2GA?key=bjZkcTUyTjBXYTBOVUstNlBpeDlIb0JqVVA2dEJn

28th of Feb (Tue) - 3rd of March (Fri) : Vibration measurement and adjustment to compensate drift by cooling

4th of Feb (Sat) Kazuhiro adjusted Luca's accelerometer (vertical direction) to compensate drift by cooling.