All-Sky LIGO Search for Periodic Gravitational Waves in the Early Fifth-Science-Run Data

被引：77

作者：

Abbott, B. P. ^{[16
]}

Abbott, R. ^{[16
]}

Adhikari, R. ^{[16
]}

Ajith, P. ^{[2
]}

Allen, B. ^{[2
,53
]}

Allen, G. ^{[32
]}

Amin, R. S. ^{[20
]}

Anderson, S. B. ^{[16
]}

Anderson, W. G. ^{[53
]}

Arain, M. A. ^{[40
]}

Araya, M. ^{[16
]}

Armandula, H. ^{[16
]}

Armor, P. ^{[53
]}

Aso, Y. ^{[9
]}

Aston, S. ^{[3
,59
]}

Aufmuth, P. ^{[15
]}

Aulbert, C. ^{[2
]}

Babak, S. ^{[1
]}

Baker, P. ^{[23
]}

Ballmer, S. ^{[16
]}

Bantilan, H. ^{[7
]}

Barish, B. C. ^{[16
]}

Barker, C. ^{[17
]}

Barker, D. ^{[17
]}

Barr, B. ^{[41
]}

Barriga, P. ^{[52
]}

Barsotti, L. ^{[19
]}

Barton, M. A. ^{[41
]}

Bartos, I. ^{[9
]}

Bassiri, R. ^{[41
]}

Bastarrika, M. ^{[41
]}

Behnke, B. ^{[1
]}

Benacquista, M. ^{[36
,58
]}

Betzwieser, J. ^{[16
]}

Beyersdorf, P. T. ^{[28
]}

Bilenko, I. A. ^{[24
]}

Billingsley, G. ^{[16
]}

Biswas, R. ^{[53
]}

Black, E. ^{[16
]}

Blackburn, J. K. ^{[16
]}

Blackburn, L. ^{[19
]}

Blair, D. ^{[52
]}

Bland, B. ^{[17
]}

Bodiya, T. P. ^{[19
]}

Bogue, L. ^{[18
]}

Bork, R. ^{[16
]}

Boschi, V. ^{[16
]}

Bose, S. ^{[54
]}

Brady, P. R. ^{[53
]}

Braginsky, V. B. ^{[24
]}

机构：

[1] Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-14476 Golm, Germany

[2] Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-30167 Hannover, Germany

[3] Andrews Univ, Berrien Springs, MI 49104 USA

[4] CALTECH, Pasadena, CA 91125 USA

[5] Caltech CaRT, Pasadena, CA 91125 USA

[6] Cardiff Univ, Cardiff CF24 3AA, Wales

[7] Carleton Coll, Northfield, MN 55057 USA

[8] Charles Sturt Univ, Wagga Wagga, NSW 2678, Australia

[9] Columbia Univ, New York, NY 10027 USA

[10] Embry Riddle Aeronaut Univ, Prescott, AZ 86301 USA

[11] Eotvos Lorand Univ, ELTE, H-1053 Budapest, Hungary

[12] Hobart & William Smith Coll, Geneva, NY 14456 USA

[13] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia

[14] Inter Univ, Ctr Astron & Astrophys, Pune 411007, Maharashtra, India

[15] Leibniz Univ Hannover, D-30167 Hannover, Germany

[16] CALTECH, LIGO, Pasadena, CA 91125 USA

[17] LIGO Hanford Observ, Richland, WA 99352 USA

[18] LIGO Livingston Observ, Livingston, LA 70754 USA

[19] MIT, LIGO, Cambridge, MA 02139 USA

[20] Louisiana State Univ, Baton Rouge, LA 70803 USA

[21] Louisiana Tech Univ, Ruston, LA 71272 USA

[22] Loyola Univ, New Orleans, LA 70118 USA

[23] Montana State Univ, Bozeman, MT 59717 USA

[24] Moscow MV Lomonosov State Univ, Moscow 119992, Russia

[25] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[26] Natl Astron Observ Japan, Tokyo 1818588, Japan

[27] Northwestern Univ, Evanston, IL 60208 USA

[28] San Jose State Univ, San Jose, CA 95192 USA

[29] Sonoma State Univ, Rohnert Pk, CA 94928 USA

[30] SE Louisiana Univ, Hammond, LA 70402 USA

[31] Southern Univ, Baton Rouge, LA 70813 USA

[32] Stanford Univ, Stanford, CA 94305 USA

[33] Syracuse Univ, Syracuse, NY 13244 USA

[34] Penn State Univ, University Pk, PA 16802 USA

[35] Univ Texas Austin, Austin, TX 78712 USA

[36] Univ Texas Brownsville, Brownsville, TX 78520 USA

[37] Trinity Univ, San Antonio, TX 78212 USA

[38] Univ Illes Balears, E-07122 Palma de Mallorca, Spain

[39] Univ Adelaide, Adelaide, SA 5005, Australia

[40] Univ Florida, Gainesville, FL 32611 USA

[41] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[42] Univ Maryland, College Pk, MD 20742 USA

[43] Univ Massachusetts, Amherst, MA 01003 USA

[44] Univ Michigan, Ann Arbor, MI 48109 USA

[45] Univ Minnesota, Minneapolis, MN 55455 USA

[46] Univ Mississippi, University, MS 38677 USA

[47] Univ Oregon, Eugene, OR 97403 USA

[48] Univ Rochester, Rochester, NY 14627 USA

[49] Univ Salerno, I-84084 Salerno, Italy

[50] Univ Sannio Benevento, I-82100 Benevento, Italy

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 11期

基金：

澳大利亚研究理事会; 英国科学技术设施理事会; 美国国家科学基金会; 美国国家航空航天局;

关键词：

Gravity waves;

D O I：

10.1103/PhysRevLett.102.111102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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 -5x10(-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.

引用

页数：6

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