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The Mock LISA Data Challenges: from Challenge 1B to Challenge 3

Stanislav Babak1, John G Baker2, Matthew J Benacquista3, Neil J Cornish4, Jeff Crowder5, Shane L Larson6, Eric Plagnol7, Edward K Porter1, Michele Vallisneri5,8, Alberto Vecchio9 (The Mock LISA Data Challenge Task Force), Keith Arnaud2, Leor Barack10, Arkadiusz Błaut11, Curt Cutler5,8, Stephen Fairhurst12, Jonathan Gair1,13, Xuefei Gong14, Ian Harry12, Deepak Khurana15, Andrzej Królak16, Ilya Mandel8,17, Reinhard Prix18, B S Sathyaprakash12, Pavlin Savov8, Yu Shang14, Miquel Trias14, John Veitch9, Yan Wang19, Linqing Wen1,8,20 and John T Whelan1 (the Challenge-1B participants)

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The Mock LISA Data Challenges are a programme to demonstrate and encourage the development of LISA data-analysis capabilities, tools and techniques. At the time of this workshop, three rounds of challenges had been completed, and the next was about to start. In this paper we provide a critical analysis of the entries to the latest completed round, Challenge 1B. The entries confirm the consolidation of a range of data-analysis techniques for galactic and massive-black-hole binaries, and they include the first convincing examples of detection and parameter estimation of extreme-mass-ratio inspiral sources. In this paper we also introduce the next round, Challenge 3. Its data sets feature more realistic waveform models (e.g., galactic binaries may now chirp, and massive-black-hole binaries may precess due to spin interactions), as well as new source classes (bursts from cosmic strings, isotropic stochastic backgrounds) and more complicated nonsymmetric instrument noise.


PACS

04.80.Nn Gravitational wave detectors and experiments

98.62.Js Galactic nuclei (including black holes), circumnuclear matter, and bulges

95.55.Ym Gravitational radiation detectors; mass spectrometers; and other instrumentation and techniques

97.60.Lf Black holes

95.75.-z Observation and data reduction techniques; computer modeling and simulation

95.80.+p Astronomical catalogs, atlases, sky surveys, databases, retrieval systems, archives, etc.

MSC

85A15 Galactic and stellar structure

83C57 Black holes

83C35 Gravitational waves

85A05 Galactic and stellar dynamics

68Pxx Theory of data

Subjects

Instrumentation and measurement

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 18 (21 September 2008)

Received 21 April 2008, in final form 11 June 2008

Published 2 September 2008



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