Electronic Theses and Dissertations

Title

DQTunePipe: a Set of Python Tools for LIGO Detector Characterization

Date of Award

2011

Document Type

Dissertation

Degree Name

M.S. in Physics

First Advisor

Marco Cavaglia

Second Advisor

Emanuele Berti

Third Advisor

Lucien Cremaldi

Abstract

When LIGO's interferometers are in operation, many auxiliary data channels monitor and record the state of the instruments and surrounding environmental conditions. Analyzing these channels allows LIGO scientists to evaluate the quality of the data collected and veto data segments of poor quality. A set of scripts were built up in an ad hoc fashion, sometimes with limited documentation, to assist in this analysis. In this thesis, we present DQTunePipe , a set of Python modules to replace these scripts and aid in the detector characterization of the LIGO instruments. The use of Python makes the analysis method more compatible with existing LIGO tools. DQTunePipe improves data quality analysis by allowing users to select specific detector characterization tasks as well as providing a maintainable framework upon which additional modules may be built. The nature of the Python DQTunePipe code allows the addition of new features with great simplicity. This thesis details the structure of DQTunePipe, serves as its documentation at the time of this writing, and outlines the procedures for incorporating new features.

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