Beating the spin-down limit on gravitational wave emission from the Crab pulsar

被引：155

作者：

Abbott, B. ^{[1
]}

Abbott, R.

Adhikari, R.

Ajith, P.

Allen, B.

Allen, G.

Amin, R.

Anderson, S. B.

Anderson, W. G.

Arain, M. A.

Araya, M.

Armandula, H.

Armor, P.

Aso, Y.

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.

Bastarrika, M.

Bayer, K.

Betzwieser, J.

Beyersdorf, P. T.

Bilenko, I. A.

Billingsley, G.

Biswas, R.

Black, E.

Blackburn, K.

Blackburn, L.

Blair, D.

Bland, B.

Bodiya, T. P.

Bogue, L.

Bork, R.

Boschi, V.

Bose, S.

Brady, P. R.

Braginsky, V. B.

Brau, J. E.

Brinkmann, M.

Brooks, A.

Brown, D. A.

Brunet, G.

机构：

[1] McNeese State Univ, Lake Charles, LA 70609 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] Australian Natl Univ, Canberra, ACT 0200, Australia

[6] CALTECH, Pasadena, CA 91125 USA

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

[8] Cardiff Univ, Cardiff CF24 3AA, 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] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia

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

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

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

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

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

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

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

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

[23] Loyola Univ, New Orleans, LA 70118 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] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

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

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

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

[32] So Univ & A&M Coll, Baton Rouge, LA 70813 USA

[33] Stanford Univ, Stanford, CA 94305 USA

[34] Syracuse Univ, Syracuse, NY 13244 USA

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

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

[37] Univ Texas Brownsville & Texas Southmost Coll, Brownsville, TX 78520 USA

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

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

[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 Massachusetts, Amherst, MA 01003 USA

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

[47] Univ Minnesota, Minneapolis, MN 55455 USA

[48] Univ Oregon, Eugene, OR 97403 USA

[49] Univ Rochester, Rochester, NY 14627 USA

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

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2008年 / 683卷 / 01期

基金：

英国科学技术设施理事会;

关键词：

gravitational waves; pulsars : individual (Crab pulsar);

D O I：

10.1086/591526

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present direct upper limits on gravitational wave emission from the Crab pulsar using data from the first 9 months of the fifth science run of the Laser Interferometer Gravitational-wave Observatory (LIGO). These limits are based on two searches. In the first we assume that the gravitational wave emission follows the observed radio timing, giving an upper limit on gravitational wave emission that beats indirect limits inferred from the spin-down and braking index of the pulsar and the energetics of the nebula. In the second we allow for a small mismatch between the gravitational and radio signal frequencies and interpret our results in the context of two possible gravitational wave emission mechanisms.

引用

页码：L45 / L49

页数：5

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