Reports until 16:09, Friday 11 September 2026
H1 SEI
thomas.shaffer@LIGO.ORG - posted 16:09, Friday 11 September 2026 (91878)
SEI ground seismometer mass position check - Monthly

FAMIS64118

2026-09-11 16:05:55.288609


There are 21 T240 proof masses out of range ( > 0.3 [V] )!
ETMX T240 2 DOF X/U = -2.315 [V]
ETMX T240 2 DOF Y/V = -2.182 [V]
ETMX T240 2 DOF Z/W = -1.542 [V]
ITMX T240 1 DOF X/U = -2.689 [V]
ITMX T240 1 DOF Z/W = 0.374 [V]
ITMX T240 3 DOF X/U = -2.979 [V]
ITMY T240 1 DOF X/U = -0.499 [V]
ITMY T240 1 DOF Y/V = 0.328 [V]
ITMY T240 2 DOF Y/V = 0.347 [V]
ITMY T240 2 DOF Z/W = -0.417 [V]
ITMY T240 3 DOF X/U = -1.206 [V]
ITMY T240 3 DOF Y/V = -0.47 [V]
ITMY T240 3 DOF Z/W = -3.195 [V]
BS T240 1 DOF X/U = -1.427 [V]
BS T240 1 DOF Z/W = 0.638 [V]
BS T240 2 DOF X/U = 0.764 [V]
BS T240 2 DOF Y/V = 0.335 [V]
BS T240 2 DOF Z/W = -1.276 [V]
BS T240 3 DOF Y/V = -1.523 [V]
HAM8 1 DOF Y/V = -0.535 [V]
HAM8 1 DOF Z/W = -0.873 [V]


All other proof masses are within range ( < 0.3 [V] ):
ETMX T240 1 DOF X/U = -0.149 [V]
ETMX T240 1 DOF Y/V = -0.205 [V]
ETMX T240 1 DOF Z/W = -0.224 [V]
ETMX T240 3 DOF X/U = -0.192 [V]
ETMX T240 3 DOF Y/V = -0.251 [V]
ETMX T240 3 DOF Z/W = -0.228 [V]
ETMY T240 1 DOF X/U = -0.1 [V]
ETMY T240 1 DOF Y/V = 0.123 [V]
ETMY T240 1 DOF Z/W = 0.164 [V]
ETMY T240 2 DOF X/U = -0.147 [V]
ETMY T240 2 DOF Y/V = 0.161 [V]
ETMY T240 2 DOF Z/W = -0.051 [V]
ETMY T240 3 DOF X/U = 0.167 [V]
ETMY T240 3 DOF Y/V = -0.084 [V]
ETMY T240 3 DOF Z/W = 0.052 [V]
ITMX T240 1 DOF Y/V = 0.064 [V]
ITMX T240 2 DOF X/U = -0.04 [V]
ITMX T240 2 DOF Y/V = 0.183 [V]
ITMX T240 2 DOF Z/W = 0.216 [V]
ITMX T240 3 DOF Y/V = 0.1 [V]
ITMX T240 3 DOF Z/W = -0.099 [V]
ITMY T240 1 DOF Z/W = 0.095 [V]
ITMY T240 2 DOF X/U = 0.227 [V]
BS T240 1 DOF Y/V = 0.284 [V]
BS T240 3 DOF X/U = 0.106 [V]
BS T240 3 DOF Z/W = 0.3 [V]
HAM8 1 DOF X/U = -0.189 [V]
 

2026-09-11 16:06:07.290491
There are 5 STS proof masses out of range ( > 2.0 [V] )!
STS C DOF X/U = 10.0 [V]
STS C DOF Y/V = -10.0 [V]
STS C DOF Z/W = -2.641 [V]
STS EY DOF X/U = -5.513 [V]
STS EY DOF Z/W = 4.467 [V]


All other proof masses are within range ( < 2.0 [V] ):
STS A DOF X/U = -0.465 [V]
STS A DOF Y/V = -0.803 [V]
STS A DOF Z/W = -0.603 [V]
STS B DOF X/U = 0.033 [V]
STS B DOF Y/V = 0.979 [V]
STS B DOF Z/W = -0.355 [V]
STS EX DOF X/U = 0.457 [V]
STS EX DOF Y/V = -0.708 [V]
STS EX DOF Z/W = -0.483 [V]
STS EY DOF Y/V = -0.036 [V]
STS FC DOF X/U = 0.165 [V]
STS FC DOF Y/V = -1.218 [V]
STS FC DOF Z/W = 0.589 [V]