Searching for multi-day transient gravitational waves from rapidly rotating neutron stars

Document #:

LIGO-G0900557-v3

Document type:

G - Presentations (eg Graphics)

Abstract:

We describe a search method for transient gravitational wave signals from rapidly rotating
neutron stars. Such signals, with time-scales of days to weeks, could be associated with known
glitches in the observed electro-magnetic (EM) spectrum of pulsars, though the exact mechanism is unknown.
The proposed search technique (based on a maximum-likelihood statistic, referred to as "F-statistic"),
aims at investigating and ultimately detecting transient signals without the need for a triggered search.
The search is a fully-coherent, multi-interferometer search for "targeted" objects (neutron stars of known
sky position and emitted EM frequency and frequency derivatives) but can be extended to objects
whose exact frequency/frequency derivatives are not precisely known ("directed" search).

Files in Document:

• Amaldi2009meeting.pdf (4.9 MB)

Topics:

• Other data analysis
• Continuous Wave

Authors:

• Stefanos Giampanis

Keywords:

amaldi8 transient CW