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Physical Environment Monitors (PEM) Subgroup
Definition and scope
- PEM is sensing system to check the detector health, noise source and h(t) data quality
Selection, installation and maintenance of PEMs in KAGRA detector are the main tasks so that the data necessary for commissioning procedure are collected.
From JGW-E1808401
Status talk (JGWDoc9295)
Monitoring & Summary Pages
Time series of the trend data (mean, max, min for each sec) |
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Time series, Ampritude spectrum, Spectroglam, and Glithc plots |
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Weather information at the entrance of KAGRA tunnel, in Atotsu |
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Vacuum prressure of the KAGRA beam duct |
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Temperature in cryogenic system |
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Screen Captures of PCs in KAGRA control room |
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(under construction) |
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Sensor Information
place, hardweare, and digital system information for PEM sensors |
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Location map for the fixed PEM sensors |
on k1sum0 |
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ADC port list of PEM in KAGRA digital system |
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Completely stand-alone portable PEM using Chromebook |
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Meeting
PEM Meeting |
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Every Tuesday 17:00-18:00 |
Japanese |
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Semiannually (Jun., Dec.) |
Japanese |
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Monthly |
English |
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Related Meetings |
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Every other Monday 15:00- |
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English |
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Every Tuesday 11:00- |
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English |
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Every Tuesday 18:00- |
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English |
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Every Wednesday 18:00-18:30 |
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Japanese |
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Every Wednesday 18:30- |
English |
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Every Thursday 14:00- |
English |
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Machine Learning Meeting |
Every Friday 13:00- |
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Japanese |
Voluntary seminar |
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Every Monday 10:00- |
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Japanese |
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Every other Monday 13:30- |
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Japanese |
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Every Tuesday 15:00 -16:00 |
English |
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Monthly Friday 13:00-14:00 |
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オンサイト一般相対論講義 |
Every Friday 18:00- |
Japanese |
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irregular |
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Japanese |
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end |
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Japanese |
Reservation : Zoom / Meeting room 1F / Meeting room 2F
Logbooks and Reports
Manuals for KAGRA worker
Motif Editor and Display Manager - tool for editing control screens |
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Tool for editing filters used by realtime models |
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Real time model (lecture) |
Matlab |
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Viewing live and past data in the time domain |
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Diagnostics Test Tools (a.k.a., DTT) spectral analysis and transfer functions of live data |
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Strip Tool (VIS) |
Monitor slowly changing signals |
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Guardian (VIS) |
Tool for monitoring and changing the state of systems |
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SDF (VIS) |
Tool for checking if the setting of systems are in the expected state |
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BRUT (DGS) |
take a snapshot |
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Remote access to Kamioka workstations |
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DetChar Tools |
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Glitch trigger |
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Glitch trigger |
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glitch and lock loss study project |
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Visualization of one-day spectrogram |
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Coherence list |
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obtain data from NDS server and plot in the various ways using GUI |
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Kashiwa Server |
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Lecture in Japanese |
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Fujimopy |
Line finder |
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Others |
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External Links
LIGO PEM webpage (Hanford MAP / Livingston MAP)
USGS Advanced National Seismic System
Blitzortung.org (Lightning)
雷現象技術情報 (湘南工科大学)