Upper limits on gravitational wave emission from 78 radio pulsars

被引：122

作者：

Abbott, B.

Abbott, R.

Adhikari, R.

Agresti, J.

Ajith, P.

Allen, B.

Amin, R.

Anderson, S. B.

Anderson, W. G.

Arain, M.

Araya, M.

Armandula, H.

Ashley, M.

Aston, S.

Aufmuth, P.

Aulbert, C.

Babak, S.

Ballmer, S.

Bantilan, H.

Barish, B. C.

Barker, C.

Barker, D.

Barr, B.

Barriga, P.

Barton, M. A.

Bayer, K.

Belczynski, K.

Betzwieser, J.

Beyersdorf, P. T.

Bhawal, B.

Bilenko, I. A.

Billingsley, G.

Biswas, R.

Black, E.

Blackburn, K.

Blackburn, L.

Blair, D.

Bland, B.

Bogenstahl, J.

Bogue, L.

Bork, R.

Boschi, V.

Bose, S.

Brady, P. R.

Braginsky, V. B.

Brau, J. E.

Brinkmann, M.

Brooks, A.

Brown, D. A.

Bullington, A.

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] Australian Natl Univ, Canberra, ACT 0200, Australia

[5] CALTECH, Pasadena, CA 91125 USA

[6] Calif State Univ Dominguez Hills, Carson, CA 90747 USA

[7] CALTECH, CaRT, Pasadena, CA 91125 USA

[8] Cardiff Univ, Cardiff CF2 3YB, S Glam, Wales

[9] Carleton Coll, Northfield, MN 55057 USA

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

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

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

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

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

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

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

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

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

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

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

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

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

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

[24] Natl Astron Observ, Tokyo 1818588, Japan

[25] Northwestern Univ, Evanston, IL 60208 USA

[26] Rochester Inst Technol, Rochester, NY 14623 USA

[27] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

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

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

[30] So Univ, Baton Rouge, LA 70813 USA

[31] A&M Coll, 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, Brownsville, TX 78520 USA

[36] Texas S Most Coll, Brownsville, TX 78520 USA

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

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

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

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

[41] Univ Birmingham, Birmingham B15 2TT, W Midlands, England

[42] Univ Florida, Gainesville, FL 32611 USA

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

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

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

[46] Univ Oregon, Eugene, OR 97403 USA

[47] Univ Rochester, Rochester, NY 14627 USA

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

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

[50] Univ Southampton, Southampton SO17 1BJ, Hants, England

来源：

PHYSICAL REVIEW D | 2007年 / 76卷 / 04期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1103/PhysRevD.76.042001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present upper limits on the gravitational wave emission from 78 radio pulsars based on data from the third and fourth science runs of the LIGO and GEO 600 gravitational wave detectors. The data from both runs have been combined coherently to maximize sensitivity. For the first time, pulsars within binary (or multiple) systems have been included in the search by taking into account the signal modulation due to their orbits. Our upper limits are therefore the first measured for 56 of these pulsars. For the remaining 22, our results improve on previous upper limits by up to a factor of 10. For example, our tightest upper limit on the gravitational strain is 2.6x10(-25) for PSR J1603-7202, and the equatorial ellipticity of PSR J2124-3358 is less than 10(-6). Furthermore, our strain upper limit for the Crab pulsar is only 2.2 times greater than the fiducial spin-down limit.

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页数：20

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