Directional Limits on Persistent Gravitational Waves Using LIGO S5 Science Data

被引：91

作者：

Abadie, J. ^{[1
]}

Abbott, B. P. ^{[1
]}

Abbott, R. ^{[1
]}

Abernathy, M. ^{[90
]}

Accadia, T. ^{[39
]}

Acernese, F. ^{[21
,22
,23
]}

Adams, C. ^{[42
]}

Adhikari, R. ^{[1
]}

Ajith, P. ^{[1
]}

Allen, B. ^{[3
,103
]}

Allen, G. S. ^{[75
]}

Ceron, E. Amador ^{[103
]}

Amin, R. S. ^{[45
]}

Anderson, S. B. ^{[1
]}

Anderson, W. G. ^{[103
]}

Antonucci, F. ^{[30
]}

Arain, M. A. ^{[89
]}

Araya, M. C. ^{[1
]}

Aronsson, M. ^{[1
]}

Arun, K. G. ^{[12
]}

Aso, Y. ^{[1
]}

Aston, S. M. ^{[88
]}

Astone, P. ^{[30
]}

Atkinson, D. ^{[41
]}

Aufmuth, P. ^{[40
]}

Aulbert, C. ^{[3
]}

Babak, S. ^{[2
]}

Baker, P. ^{[48
]}

Ballardin, G. ^{[14
]}

Ballmer, S. ^{[1
]}

Barker, D. ^{[41
]}

Barnum, S. ^{[43
]}

Barone, F. ^{[21
,22
,23
]}

Barr, B. ^{[90
]}

Barriga, P. ^{[102
]}

Barsotti, L. ^{[43
]}

Barsuglia, M. ^{[5
]}

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

Bartos, I. ^{[13
]}

Bassiri, R. ^{[90
]}

Bastarrika, M. ^{[90
]}

Bauchrowitz, J. ^{[3
]}

Bauer, Th S. ^{[52
]}

Behnke, B. ^{[2
]}

Beker, M. G. ^{[52
]}

Belletoile, A. ^{[39
]}

Benacquista, M. ^{[82
,83
]}

Bertolini, A. ^{[3
]}

Betzwieser, J. ^{[1
]}

Beveridge, N. ^{[90
]}

机构：

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

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

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

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

[5] Univ Paris Diderot, Lab AstroParticule & Cosmol APC, Observ Paris 10, CEA,DSM,IRFU,CNRS,IN2P3, F-75013 Paris, France

[6] Australian Natl Univ, Canberra, ACT 0200, Australia

[7] Calif State Univ Fullerton, Fullerton, CA 92831 USA

[8] Caltech CaRT, Pasadena, CA 91125 USA

[9] Cardiff Univ, Cardiff CF24 3AA, S Glam, Wales

[10] Carleton Coll, Northfield, MN 55057 USA

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

[12] Chennai Math Inst, Siruseri 603103, India

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

[14] EGO, I-56021 Cascina, PI, Italy

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

[16] Eotvos Lorand Univ, H-1117 Budapest, Hungary

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

[18] Ist Nazl Fis Nucl, Sez Firenze, I-50019 Sesto Fiorentino, Italy

[19] Univ Urbino Carlo Bo, I-61029 Urbino, Italy

[20] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[21] Ist Nazl Fis Nucl, Sez Napoli, Naples, Italy

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

[23] Complesso Univ Monte S Angelo, I-80126 Naples, Italy

[24] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy

[25] Univ Perugia, I-06123 Perugia, Italy

[26] Univ Napoli Federico II, Naples, Italy

[27] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy

[28] Univ Pisa, I-56127 Pisa, Italy

[29] Univ Siena, I-53100 Siena, Italy

[30] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[31] Univ Roma La Sapienza, I-00185 Rome, Italy

[32] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Rome, Italy

[33] Univ Roma Tor Vergata, I-00133 Rome, Italy

[34] Univ Aquila, I-67100 Laquila, Italy

[35] Inst Appl Phys, Nizhnii Novgorod 603950, Russia

[36] Interuniv Ctr Astron & Astrophys, Pune 411007, Maharashtra, India

[37] Univ Paris 11, LAL, CNRS, IN2P3, F-91898 Orsay, France

[38] CNRS, ESPCI, F-75005 Paris, France

[39] Univ Savoie, LAPP, CNRS, IN2P3, F-74941 Annecy Le Vieux, France

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

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

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

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

[44] CNRS, LMA, IN2P3, F-69622 Villeurbanne, France

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

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

[47] McNeese State Univ, Lake Charles, LA 70609 USA

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

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

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

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 27期

基金：

美国国家科学基金会; 美国国家航空航天局; 澳大利亚研究理事会;

关键词：

SPECTRUM;

D O I：

10.1103/PhysRevLett.107.271102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The gravitational-wave (GW) sky may include nearby pointlike sources as well as stochastic backgrounds. We perform two directional searches for persistent GWs using data from the LIGO S5 science run: one optimized for pointlike sources and one for arbitrary extended sources. Finding no evidence to support the detection of GWs, we present 90% confidence level (C.L.) upper-limit maps of GW strain power with typical values between 2 - 20 x 10(-50) strain(2) Hz(-1) and 5 - 35 x 10(-49) strain(2) Hz(-1) sr(-1) for pointlike and extended sources, respectively. The latter result is the first of its kind. We also set 90% C.L. limits on the narrow-band root-mean-square GW strain from interesting targets including Sco X-1, SN 1987A and the Galactic center as low as approximate to 7 - 10(-25) in the most sensitive frequency range near 160 Hz.

引用

页数：9

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