NoEMi

The Noise Frequency Event Miner (NoEMi) is a Virgo software tool dedicated to the monitoring and identification of spectral noise lines.

It uses codes for CW analysis to find and track spectral lines found in a given list of channels. It also looks for spectral features in coincidence between the "main channel" and the "auxiliary channels".

NoEMi documentation: https://apps.virgo-gw.eu/noemi/docs/index.html

This version, has 3 main components:

• the NoEMi events database (DB);
• the Line-Finder script (LF);
• the web user interface (WUI).

In addition to NoEMi the LinesDB will be installed soon.

Requirements

Main requirements:

HTCondor
MySQL
Python
Apache HTTP server
PHP

The following Python libraries can be installed with pip

pip install htcondor
pip install pymysql
pip install numpy

The PHP Data Objects module could be necessary.

MySQL has been installed from scratch, the admin user credentials are (this is the root user for any MySQL operation):

Username: root
Password: user_admin_pass

Get NoEMi

The full NoEMi package is available in the Virgo SVN software repository

Note that, to access the repository, you will need to use your EGO Active Directory credentials. More information on obtaining these is available here.

• Download the full package

svn co https://svn.ego-gw.it/svn/advsw/Noemi/branches/v2/trunk \
          NoEMi

• The folder will contain the three components of NoEMi and the documentation

     NoEMi/
          /db      --> MySQL Database
          /doc     --> Documentation
          /noemi   --> Line finder python scripts
          /wui     --> Web user interface

Host machines and Users

The 3 components of NoEMi: the DB, the Line finder and the WUI are installed on the following machines

 DB host: localhost
 LF hosts: localhost
 WUI host: localhost

The following MySQL users have been created:

1. The web user interface (WUI) MySQL user

Username: noemi_wui
Password: noemi_wui_pass

2. The Line-Finder (LF) MySQL user

Username: noemi_user
Password: noemi_user_pass

Changes for KAGRA

The "K1" detector case has been added to the main SFDB (Short Fourier Transform DataBase) executable. The SFDBs are used also for CW analysis in Virgo.

The list of channels/sampling frequency of the channel used is: