Phys. Rev. Lett.
102,
111102
(2009)
[6 pages]
All-Sky LIGO Search for Periodic Gravitational Waves in the Early Fifth-Science-Run Data
B. P. Abbott et al. LIGO Scientific Collaboration
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B. P. Abbott17, R. Abbott17, R. Adhikari17, P. Ajith2, B. Allen2,57, G. Allen34, R. S. Amin21, S. B. Anderson17, W. G. Anderson57, M. A. Arain43, M. Araya17, H. Armandula17, P. Armor57, Y. Aso10, S. Aston42, P. Aufmuth16, C. Aulbert2, S. Babak1, P. Baker24, S. Ballmer17, H. Bantilan8, B. C. Barish17, C. Barker18, D. Barker18, B. Barr44, P. Barriga56, L. Barsotti20, M. A. Barton44, I. Bartos10, R. Bassiri44, M. Bastarrika44, B. Behnke1, M. Benacquista38, J. Betzwieser17, P. T. Beyersdorf30, I. A. Bilenko25, G. Billingsley17, R. Biswas57, E. Black17, J. K. Blackburn17, L. Blackburn20, D. Blair56, B. Bland18, T. P. Bodiya20, L. Bogue19, R. Bork17, V. Boschi17, S. Bose58, P. R. Brady57, V. B. Braginsky25, J. E. Brau50, M. Brinkmann2, A. F. Brooks17, D. A. Brown35, G. Brunet20, A. Bullington34, A. Buonanno45, O. Burmeister2, R. L. Byer34, L. Cadonati46, G. Cagnoli44, J. B. Camp26, J. Cannizzo26, K. C. Cannon17, J. Cao20, L. Cardenas17, V. Cardoso49, S. Caride8, T. Casebolt34, G. Castaldi53, S. Caudill21, M. Cavaglià49, C. Cepeda17, E. Chalkley44, P. Charlton9, S. Chatterji17, S. Chelkowski42, Y. Chen1, N. Christensen8, D. Clark34, J. Clark44, J. H. Clayton57, T. Cokelaer7, R. Conte52, D. Cook18, T. R. C. Corbitt20, N. Cornish24, D. C. Coyne17, J. D. E. Creighton57, T. D. Creighton38, A. M. Cruise42, A. Cumming44, L. Cunningham44, R. M. Cutler, K. Danzmann2,16, B. Daudert17, G. Davies7, D. DeBra34, J. Degallaix2, V. Dergachev47, S. Desai36, R. DeSalvo17, S. Dhurandhar15, M. Díaz38, J. Dickson4, A. Dietz7, F. Donovan20, K. L. Dooley43, E. E. Doomes33, R. W. P. Drever5, I. Duke20, J.-C. Dumas56, J. Dwyer10, C. Echols17, M. Edgar44, A. Effler18, P. Ehrens17, G. Ely8, E. Espinoza17, T. Etzel17, M. Evans20, T. Evans19, S. Fairhurst7, Y. Faltas43, Y. Fan56, D. Fazi17, M. M. Fejer34, L. S. Finn36, K. Flasch57, S. Foley20, C. Forrest51, N. Fotopoulos57, A. Franzen16, Z. Frei12, A. Freise42, R. Frey50, T. T. Fricke17,51, P. Fritschel20, V. V. Frolov19, M. Fyffe19, J. A. Garofoli18, I. Gholami1, J. A. Giaime19,21, S. Giampanis51, K. D. Giardina19, K. Goda20, E. Goetz47, L. M. Goggin17, G. González21, S. Gossler2, R. Gouaty21, A. Grant44, S. Gras56, C. Gray18, M. Gray4, R. J. S. Greenhalgh29, A. M. Gretarsson11, F. Grimaldi20, R. Grosso38, H. Grote2, S. Grunewald1, M. Guenther18, E. K. Gustafson17, R. Gustafson47, B. Hage16, J. M. Hallam42, C. Hanna21, J. Hanson19, J. Harms2, G. M. Harry20, E. D. Harstad50, E. Haughian44, K. Hayama38, T. Hayler29, J. Heefner17, I. S. Heng44, A. Heptonstall17, M. Hewitson2, S. Hild42, E. Hirose35, D. Hoak19, K. Holt19, D. Hosken41, J. Hough44, S. H. Huttner44, D. Ingram18, M. Ito50, A. Ivanov17, B. Johnson18, W. W. Johnson21, D. I. Jones54, G. Jones7, R. Jones44, L. Ju56, P. Kalmus10, V. Kalogera28, S. Kamat10, J. Kanner45, D. Kasprzyk42, E. Katsavounidis20, K. Kawabe18, S. Kawamura27, F. Kawazoe27, W. Kells17, D. G. Keppel17, A. Khalaidovski2, F. Ya. Khalili25, R. Khan10, E. Khazanov14, P. King17, J. S. Kissel21, S. Klimenko43, B. Kocsis12, K. Kokeyama27, V. Kondrashov17, R. Kopparapu36, S. Koranda57, D. Kozak17, I. Kozhevatov14, B. Krishnan1, P. Kwee16, M. Landry18, B. Lantz34, A. Lazzarini17, M. Lei17, I. Leonor50, C. Li6, H. Lin43, P. E. Lindquist17, T. B. Littenberg24, N. A. Lockerbie55, D. Lodhia42, M. Lormand19, P. Lu34, M. Lubinski18, A. Lucianetti43, H. Lück2,16, B. Machenschalk1, M. MacInnis20, M. Mageswaran17, K. Mailand17, I. Mandel28, V. Mandic48, S. Márka10,12, Z. Márka10, A. Markosyan34, J. Markowitz20, E. Maros17, I. W. Martin44, R. M. Martin43, J. N. Marx17, K. Mason20, F. Matichard21, L. Matone10, R. Matzner37, N. Mavalvala20, R. McCarthy18, D. E. McClelland4, S. C. McGuire33, M. McHugh23, G. McIntyre17, D. McKechan7, K. McKenzie4, M. Mehmet2, A. Melissinos51, G. Mendell18, R. A. Mercer43, S. Meshkov17, C. J. Messenger2, D. Meyers19, A. Miller57, J. Miller44, J. Minelli36, S. Mitra15, V. P. Mitrofanov25, G. Mitselmakher43, R. Mittleman20, O. Miyakawa17, B. Moe57, S. D. Mohanty38, G. Moreno18, K. Mors2, K. Mossavi2, C. MowLowry4, G. Mueller43, D. Muhammad19, S. Mukherjee38, H. Mukhopadhyay15, A. Mullavey4, H. Müller-Ebhardt2, J. Munch41, P. G. Murray44, E. Myers18, J. Myers18, T. Nash17, J. Nelson44, G. Newton44, A. Nishizawa27, K. Numata26, E. Ochsner45, J. O’Dell29, G. Ogin17, B. O’Reilly19, R. O’Shaughnessy36, D. J. Ottaway41, R. S. Ottens43, H. Overmier19, B. J. Owen36, Y. Pan45, C. Pankow43, M. A. Papa57, V. Parameshwaraiah18, P. Patel17, M. Pedraza17, S. Penn13, A. Perraca42, T. Petrie36, I. M. Pinto53, M. Pitkin44, H. J. Pletsch2, M. V. Plissi44, F. Postiglione52, M. Principe53, R. Prix2, V. Quetschke43, F. J. Raab18, D. S. Rabeling4, H. Radkins18, P. Raffai12, N. Rainer2, M. Rakhmanov38, M. Ramsunder36, T. Reed22, H. Rehbein2, S. Reid44, D. H. Reitze43, R. Riesen19, K. Riles47, B. Rivera18, N. A. Robertson17,44, C. Robinson7, E. L. Robinson42, S. Roddy19, A. M. Rogan58, J. Rollins10, J. D. Romano38,7, J. H. Romie19, S. Rowan44, A. Rüdiger2, L. Ruet20, P. Russell17, K. Ryan18, S. Sakata27, L. Sancho de la Jordana40, V. Sandberg18, V. Sannibale17, L. Santamaria1, S. Saraf31, P. Sarin20, B. S. Sathyaprakash7, S. Sato27, P. R. Saulson35, R. Savage18, P. Savov6, M. Scanlan22, S. W. Schediwy56, R. Schilling2, R. Schnabel2, R. Schofield50, B. F. Schutz1,7, P. Schwinberg18, J. Scott44, S. M. Scott4, A. C. Searle17, B. Sears17, F. Seifert2, D. Sellers19, A. S. Sengupta17, A. Sergeev14, B. Shapiro20, P. Shawhan45, D. H. Shoemaker20, A. Sibley19, X. Siemens57, D. Sigg18, S. Sinha34, A. M. Sintes40,1, B. J. J. Slagmolen4, J. Slutsky21, J. R. Smith35, M. R. Smith17, N. D. Smith20, K. Somiya1,2, B. Sorazu44, L. C. Stein20, K. A. Strain44, A. Stuver19, T. Z. Summerscales3, K.-X. Sun34, M. Sung21, P. J. Sutton7, H. Takahashi1, D. B. Tanner43, R. Taylor17, R. Taylor44, J. Thacker19, K. A. Thorne36, K. S. Thorne6, A. Thüring16, K. V. Tokmakov44, C. Torres19, C. Torrie44, G. Traylor19, M. Trias40, D. Ugolini39, K. Urbanek34, H. Vahlbruch16, C. Van Den Broeck7, M. V. van der Sluys28, A. A. van Veggel44, S. Vass17, R. Vaulin57, A. Vecchio42, J. D. Veitch42, P. Veitch41, A. Villar17, C. Vorvick18, S. P. Vyachanin25, S. J. Waldman17, L. Wallace17, H. Ward44, R. L. Ward17, M. Weinert2, A. J. Weinstein17, R. Weiss20, L. Wen6, S. Wen21, K. Wette4, J. T. Whelan1, S. E. Whitcomb17, B. F. Whiting43, C. Wilkinson18, P. A. Willems17, H. R. Williams36, L. Williams43, B. Willke2,16, I. Wilmut29, W. Winkler2, C. C. Wipf20, A. G. Wiseman57, G. Woan44, R. Wooley19, J. Worden18, W. Wu43, I. Yakushin19, H. Yamamoto17, Z. Yan56, S. Yoshida32, M. Zanolin11, J. Zhang47, L. Zhang17, C. Zhao56, N. Zotov22, M. E. Zucker20, H. zur Mühlen16, and J. Zweizig17 (LIGO Scientific Collaboration)
1Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik, D-14476 Golm, Germany
2Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik, D-30167 Hannover, Germany
3Andrews University, Berrien Springs, Michigan 49104, USA
4Australian National University, Canberra, 0200, Australia
5California Institute of Technology, Pasadena, California 91125, USA
6Caltech-CaRT, Pasadena, California 91125, USA
7Cardiff University, Cardiff, CF24 3AA, United Kingdom
8Carleton College, Northfield, Minnesota 55057, USA
9Charles Sturt University, Wagga Wagga, NSW 2678, Australia
10Columbia University, New York, New York 10027, USA
11Embry-Riddle Aeronautical University, Prescott, Arizona 86301, USA
12Eötvös University, ELTE 1053 Budapest, Hungary
13Hobart and William Smith Colleges, Geneva, New York 14456, USA
14Institute of Applied Physics, Nizhny Novgorod, 603950, Russia
15Inter-University Centre for Astronomy and Astrophysics, Pune-411007, India
16Leibniz Universität Hannover, D-30167 Hannover, Germany
17LIGO-California Institute of Technology, Pasadena, California 91125, USA
18LIGO-Hanford Observatory, Richland, Washington 99352, USA
19LIGO-Livingston Observatory, Livingston, Louisiana 70754, USA
20LIGO-Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
21Louisiana State University, Baton Rouge, Louisiana 70803, USA
22Louisiana Tech University, Ruston, Louisiana 71272, USA
23Loyola University, New Orleans, Louisiana 70118, USA
24Montana State University, Bozeman, Montana 59717, USA
25Moscow State University, Moscow, 119992, Russia
26NASA/Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
27National Astronomical Observatory of Japan, Tokyo 181-8588, Japan
28Northwestern University, Evanston, Illinois 60208, USA
29Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
30San Jose State University, San Jose, California 95192, USA
31Sonoma State University, Rohnert Park, California 94928, USA
32Southeastern Louisiana University, Hammond, Louisiana 70402, USA
33Southern University and A&M College, Baton Rouge, Louisiana 70813, USA
34Stanford University, Stanford, California 94305, USA
35Syracuse University, Syracuse, New York 13244, USA
36The Pennsylvania State University, University Park, Pennsylvania 16802, USA
37The University of Texas at Austin, Austin, Texas 78712, USA
38The University of Texas at Brownsville and Texas Southmost College, Brownsville, Texas 78520, USA
39Trinity University, San Antonio, Texas 78212, USA
40Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain
41University of Adelaide, Adelaide, SA 5005, Australia
42University of Birmingham, Birmingham, B15 2TT, United Kingdom
43University of Florida, Gainesville, Florida 32611, USA
44University of Glasgow, Glasgow, G12 8QQ, United Kingdom
45University of Maryland, College Park, Maryland 20742, USA
46University of Massachusetts-Amherst, Amherst, Massachusetts 01003, USA
47University of Michigan, Ann Arbor, Michigan 48109, USA
48University of Minnesota, Minneapolis, Minnesota 55455, USA
49University of Mississippi, University, Mississippi 38677, USA
50University of Oregon, Eugene, Oregon 97403, USA
51University of Rochester, Rochester, New York 14627, USA
52University of Salerno, 84084 Fisciano (Salerno), Italy
53University of Sannio at Benevento, I-82100 Benevento, Italy
54University of Southampton, Southampton, SO17 1BJ, United Kingdom
55University of Strathclyde, Glasgow, G1 1XQ, United Kingdom
56University of Western Australia, Crawley, Washington 6009, Australia
57University of Wisconsin–Milwaukee, Milwaukee, Wisconsin 53201, USA
58Washington State University, Pullman, Washington 99164, USA
Received 18 October 2008; published 20 March 2009
We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50–1100 Hz and with the frequency’s time derivative in the range -5×10-9–0 Hz s-1. Data from the first eight months of the fifth LIGO science run (S5) have been used in this search, which is based on a semicoherent method (PowerFlux) of summing strain power. Observing no evidence of periodic gravitational radiation, we report 95% confidence-level upper limits on radiation emitted by any unknown isolated rotating neutron stars within the search range. Strain limits below 10-24 are obtained over a 200-Hz band, and the sensitivity improvement over previous searches increases the spatial volume sampled by an average factor of about 100 over the entire search band. For a neutron star with nominal equatorial ellipticity of 10-6, the search is sensitive to distances as great as 500 pc.
© 2009 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.102.111102
DOI:
10.1103/PhysRevLett.102.111102
PACS:
04.80.Nn, 07.05.Kf, 95.55.Ym, 97.60.Gb
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