Phys. Rev. Lett.
94,
181103
(2005)
[6 pages]
Limits on Gravitational-Wave Emission from Selected Pulsars Using LIGO Data
B. Abbott et al. LIGO Scientific Collaboration
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B. Abbott11, R. Abbott14, R. Adhikari12, A. Ageev19,26, B. Allen38, R. Amin33, S. B. Anderson11, W. G. Anderson28, M. Araya11, H. Armandula11, M. Ashley27, F. Asiri11, P. Aufmuth30, C. Aulbert1, S. Babak7, R. Balasubramanian7, S. Ballmer12, B. C. Barish11, C. Barker13, D. Barker13, M. Barnes11, B. Barr34, M. A. Barton11, K. Bayer12, R. Beausoleil25, K. Belczynski22, R. Bennett34, S. J. Berukoff1, J. Betzwieser12, B. Bhawal11, I. A. Bilenko19, G. Billingsley11, E. Black11, K. Blackburn11, L. Blackburn12, B. Bland13, B. Bochner12, L. Bogue11, R. Bork11, S. Bose39, P. R. Brady38, V. B. Braginsky19, J. E. Brau36, D. A. Brown38, A. Bullington25, A. Bunkowski2,30, A. Buonanno6, R. Burgess12, D. Busby11, W. E. Butler37, R. L. Byer25, L. Cadonati12, G. Cagnoli34, J. B. Camp20, C. A. Cantley34, L. Cardenas11, K. Carter14, M. M. Casey34, J. Castiglione33, A. Chandler11, J. Chapsky11, P. Charlton11, S. Chatterji12, S. Chelkowski2,30, Y. Chen6, V. Chickarmane15, D. Chin35, N. Christensen8, D. Churches7, T. Cokelaer7, C. Colacino32, R. Coldwell33, M. Coles14, D. Cook13, T. Corbitt12, D. Coyne11, J. D. E. Creighton38, T. D. Creighton11, D. R. M. Crooks34, P. Csatorday12, B. J. Cusack3, C. Cutler1, E. D’Ambrosio11, K. Danzmann2,30, E. Daw15, D. DeBra25, T. Delker33, V. Dergachev35, R. DeSalvo11, S. Dhurandhar10, A. Di Credico26, M. Díaz28, H. Ding11, R. W. P. Drever4, R. J. Dupuis34, J. A. Edlund11, P. Ehrens11, E. J. Elliffe34, T. Etzel11, M. Evans11, T. Evans14, S. Fairhurst38, C. Fallnich30, D. Farnham11, M. M. Fejer25, T. Findley24, M. Fine11, L. S. Finn27, K. Y. Franzen33, A. Freise2, R. Frey36, P. Fritschel12, V. V. Frolov14, M. Fyffe14, K. S. Ganezer5, J. Garofoli13, J. A. Giaime15, A. Gillespie11, K. Goda12, G. González15, S. Goßler30, P. Grandclément22, A. Grant34, C. Gray13, A. M. Gretarsson14, D. Grimmett11, H. Grote2, S. Grunewald1, M. Guenther13, E. Gustafson25, R. Gustafson35, W. O. Hamilton15, M. Hammond14, J. Hanson14, C. Hardham25, J. Harms18, G. Harry12, A. 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Robertson25,34, L. Robison11, S. Roddy14, J. Rollins12, J. D. Romano7, J. Romie11, H. Rong33, D. Rose11, E. Rotthoff27, S. Rowan34, A. Rüdiger2, P. Russell11, K. Ryan13, I. Salzman11, V. Sandberg13, G. H. Sanders11, V. Sannibale11, B. Sathyaprakash7, P. R. Saulson26, R. Savage13, A. Sazonov33, R. Schilling2, K. Schlaufman27, V. Schmidt11, R. Schnabel18, R. Schofield36, B. F. Schutz1,7, P. Schwinberg13, S. M. Scott3, S. E. Seader39, A. C. Searle3, B. Sears11, S. Seel11, F. Seifert18, A. S. Sengupta10, C. A. Shapiro27, P. Shawhan11, D. H. Shoemaker12, Q. Z. Shu33, A. Sibley14, X. Siemens38, L. Sievers11, D. Sigg13, A. M. Sintes1,31, J. R. Smith2, M. Smith12, M. R. Smith11, P. H. Sneddon34, R. Spero11, G. Stapfer14, D. Steussy8, K. A. Strain34, D. Strom36, A. Stuver27, T. Summerscales27, M. C. Sumner11, P. J. Sutton11, J. Sylvestre11, A. Takamori11, D. B. Tanner33, H. Tariq11, I. Taylor7, R. Taylor11, R. Taylor34, K. A. Thorne27, K. S. Thorne6, M. Tibbits27, S. Tilav11, M. Tinto4, K. V. Tokmakov19, C. Torres20, C. Torrie11, G. Traylor14, W. Tyler11, D. Ugolini29, C. Ungarelli32, M. Vallisneri6, M. van Putten12, S. Vass11, A. Vecchio32, J. Veitch34, C. Vorvick13, S. P. Vyachanin19, L. Wallace11, H. Walther18, H. Ward34, B. Ware11, K. Watts14, D. Webber11, A. Weidner18, U. Weiland30, A. Weinstein11, R. Weiss12, H. Welling30, L. Wen11, S. Wen15, J. T. Whelan17, S. E. Whitcomb11, B. F. Whiting33, S. Wiley5, C. Wilkinson13, P. A. Willems11, P. R. Williams1, R. Williams4, B. Willke30, A. Wilson11, B. J. Winjum27, W. Winkler2, S. Wise33, A. G. Wiseman38, G. Woan34, R. Wooley14, J. Worden13, W. Wu33, I. Yakushin14, H. Yamamoto11, S. Yoshida24, K. D. Zaleski27, M. Zanolin12, I. Zawischa30, L. Zhang11, R. Zhu1, N. Zotov16, M. Zucker14, and J. Zweizig11 (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
3Australian National University, Canberra, 0200, Australia
4California Institute of Technology, Pasadena, California 91125, USA
5California State University Dominguez Hills, Carson, California 90747, USA
6Caltech-CaRT, Pasadena, California 91125, USA
7Cardiff University, Cardiff, CF2 3YB, United Kingdom
8Carleton College, Northfield, Minnesota 55057, USA
9Hobart and William Smith Colleges, Geneva, New York 14456, USA
10Inter-University Centre for Astronomy and Astrophysics, Pune-411007, India
11LIGO-California Institute of Technology, Pasadena, California 91125, USA
12LIGO-Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
13LIGO Hanford Observatory, Richland, Washington 99352, USA
14LIGO Livingston Observatory, Livingston, Louisiana 70754, USA
15Louisiana State University, Baton Rouge, Louisiana 70803, USA
16Louisiana Tech. University, Ruston, Louisiana 71272, USA
17Loyola University, New Orleans, Louisiana 70118, USA
18Max Planck Institut für Quantenoptik, D-85748, Garching, Germany
19Moscow State University, Moscow, 119992, Russia
20NASA/Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
21National Astronomical Observatory of Japan, Tokyo 181-8588, Japan
22Northwestern University, Evanston, Illinois 60208, USA
23Salish Kootenai College, Pablo, Montana 59855, USA
24Southeastern Louisiana University, Hammond, Louisiana 70402, USA
25Stanford University, Stanford, California 94305, USA
26Syracuse University, Syracuse, New York 13244, USA
27The Pennsylvania State University, University Park, Pennsylvania 16802, USA
28The University of Texas at Brownsville and Texas Southmost College, Brownsville, Texas 78520, USA
29Trinity University, San Antonio, Texas 78212, USA
30Universität Hannover, D-30167 Hannover, Germany
31Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain
32University of Birmingham, Birmingham, B15 2TT, United Kingdom
33University of Florida, Gainesville, Florida 32611, USA
34University of Glasgow, Glasgow, G12 8QQ, United Kingdom
35University of Michigan, Ann Arbor, Michigan 48109, USA
36University of Oregon, Eugene, Oregon 97403, USA
37University of Rochester, Rochester, New York 14627, USA
38University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53201, USA
39Washington State University, Pullman, Washington 99164, USA
M. Kramer and A. G. Lyne
University of Manchester, Jodrell Bank Observatory, Macclesfield, Cheshire, SK11 9DL, United Kingdom
Received 29 October 2004; published 12 May 2005
We place direct upper limits on the amplitude of gravitational waves from 28 isolated radio pulsars by a coherent multidetector analysis of the data collected during the second science run of the LIGO interferometric detectors. These are the first direct upper limits for 26 of the 28 pulsars. We use coordinated radio observations for the first time to build radio-guided phase templates for the expected gravitational-wave signals. The unprecedented sensitivity of the detectors allows us to set strain upper limits as low as a few times 10-24. These strain limits translate into limits on the equatorial ellipticities of the pulsars, which are smaller than 10-5 for the four closest pulsars.
© 2005 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.94.181103
DOI:
10.1103/PhysRevLett.94.181103
PACS:
04.80.Nn, 07.05.Kf, 95.55.Ym, 97.60.Gb
*Electronic address: http://www.ligo.org
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