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LIGO Change Request - LIGO - California Institute of Technology - ligo caltech

LIGO Change Request - LIGO - California Institute of Technology - ligo caltech 2025

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The document is a change request for the implementation of an independent atomic clock timing system for the LIGO project, aimed at improving timing accuracy for gravitational wave detection. It outlines the technical need, budget impact of $199K, and schedule importance for the upcoming science run. The proposal includes details on the current GPS-based timing system and emphasizes the necessity of a caesium clock to ensure precise timing verification and diagnostics.

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Where does LIGO get its funding?

LIGO is funded by the U.S. National Science Foundation and operated by the California Institute of Technology (Caltech) and the Massachusetts Institute of Technology (MIT).

How accurate is the LIGO detector?

Most sensitive: At its most sensitive state, LIGO will be able to detect a change in distance between its mirrors 1/10,000th the width of a proton! This is equivalent to measuring the distance to the nearest star (some 4.2 light years away) to an accuracy smaller than the width of a human hair.

Why are there two LIGO facilities?

Why did you build LIGO in Washington and Louisiana? Since NSF LIGO was planned as a 2-site observatory, we had to find two locations about 3000km apart that shared many characteristics. Their separation alone limited the possible places where the interferometers could be located in the continental United States.

How much does LIGO cost?

LIGO operation and maintenance is entirely supported by NSF; NSF is requesting $45.0 million for FY 2023. Current annual operating costs are $45.0 million.

What is LIGO Caltech?

The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment and observatory designed to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool.

How much did the gravitational wave detector cost?

The 40 km Cosmic Explorer observatory is estimated to cost around $1 billion and the 20 km observatory has a price tag of about $0.7 billion. Such an initiative responds to the call for a next-generation gravitational wave detection network in the latest decadal survey for astronomy and astrophysics.

Where are the two LIGO detectors located in the United States?

NSF LIGO, one of the worlds most sophisticated scientific observatories, operates two U.S.-based interferometers one in Hanford, Washington and the other in Livingston, Louisiana working in unison to detect gravitational waves.

How expensive was LIGO?

In 1994, with a budget of US$395 million, LIGO stood as the largest overall funded NSF project in history. The project broke ground in Hanford, Washington in late 1994 and in Livingston, Louisiana in 1995.

LIGO Change Request - LIGO - California Institute of Technology - ligo caltech 2025

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LIGO Change Request - LIGO - California Institute of Technology - ligo caltech 2025

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The best way to edit LIGO Change Request - LIGO - California Institute of Technology - ligo caltech online

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Got questions?

Where does LIGO get its funding?

How accurate is the LIGO detector?

Why are there two LIGO facilities?

How much does LIGO cost?

What is LIGO Caltech?

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How much did the gravitational wave detector cost?

Where are the two LIGO detectors located in the United States?

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