The Science benefits and preliminary design of the southern hemisphere gravitational wave detector AIGO

D. G. Blair, P. Barriga, A. F. Brooks, P. Charlton, D. Coward, J. C. Dumas, Y. Fan, D. Galloway, S. Gras, D. J. Hosken, E. Howell, S. Hughes, L. Ju, E. McClelland, A. Melatos, H. Miao, J. Munch, S. M. Scott, J. Slagmolen, P. J. VeitchL. Wen, K. Webb, A. Wolley, Z. Yan, C. Zhao

    Research output: Contribution to journalArticlepeer-review

    29 Citations (Scopus)

    Abstract

    The proposed southern hemisphere gravitational wave detector AIGO increases the projected average baseline of the global array of ground based gravitational wave detectors by a factor ∼4. This allows the world array to be substantially improved. The orientation of AIGO allows much better resolution of both wave polarisations. This enables better distance estimates for inspiral events, allowing unambiguous optical identification of host galaxies for about 25% of neutron star binary inspiral events. This can allow Hubble Law estimation without optical identification of an outburst, and can also allow deep exposure imaging with electromagnetic telescopes to search for weak afterglows. This allows independent estimates of cosmological acceleration and dark energy as well as improved understanding of the physics of neutron star and black hole coalescences. This paper reviews and summarises the science benefits of AIGO and presents a preliminary conceptual design.

    Original languageEnglish
    Article number012001
    JournalJournal of Physics: Conference Series
    Volume122
    DOIs
    Publication statusPublished - 2008

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