First all-sky upper limits from LIGO on the strength of periodic gravitational waves using the Hough transform -: art. no. 102004

被引：72

作者：

Abbott, B ^{[1
]}

Abbott, R

Adhikari, R

Ageev, A

Agresti, J

Allen, B

Allen, J

Amin, R

Anderson, SB

Anderson, WG

Araya, M

Armandula, H

Ashley, M

Asiri, F

Aufmuth, P

Aulbert, C

Babak, S

Balasubramanian, R

Ballmer, S

Barish, BC

Barker, C

Barker, D

Barnes, M

Barr, B

Barton, MA

Bayer, K

Beausoleil, R

Belczynski, K

Bennett, R

Berukoff, SJ

Betzwieser, J

Bhawal, B

Bilenko, IA

Billingsley, G

Black, E

Blackburn, K

Blackburn, L

Bland, B

Bochner, B

Bogue, L

Bork, R

Bose, S

Brady, PR

Braginsky, VB

Brau, JE

Brown, DA

Bullington, A

Bunkowski, A

Buonanno, A

Burgess, R

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] Australian Natl Univ, Canberra, ACT 0200, Australia

[4] CALTECH, Pasadena, CA 91125 USA

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

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

[7] Cardiff Univ, Cardiff CF2 3YB, Wales

[8] Carleton Coll, Northfield, MN 55057 USA

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

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

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

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

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

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

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

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

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

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

[19] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

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

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

[22] Natl Astron Observ, Tokyo 1818588, Japan

[23] Northwestern Univ, Evanston, IL 60208 USA

[24] Salish Kootenai Coll, Pablo, MT 59855 USA

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

[26] Stanford Univ, Stanford, CA 94305 USA

[27] Syracuse Univ, Syracuse, NY 13244 USA

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

[29] Univ Texas, Brownsville, TX 78520 USA

[30] Texas Southmost Coll, Brownsville, TX 78520 USA

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

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

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

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

[35] Univ Florida, Gainesville, FL 32611 USA

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

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

[38] Univ Oregon, Eugene, OR 97403 USA

[39] Univ Rochester, Rochester, NY 14627 USA

[40] Univ Wisconsin, Milwaukee, WI 53201 USA

[41] Vassar Coll, Poughkeepsie, NY 12604 USA

[42] Washington State Univ, Pullman, WA 99164 USA

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 10期

关键词：

D O I：

10.1103/PhysRevD.72.102004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We perform a wide parameter-space search for continuous gravitational waves over the whole sky and over a large range of values of the frequency and the first spin-down parameter. Our search method is based on the Hough transform, which is a semicoherent, computationally efficient, and robust pattern recognition technique. We apply this technique to data from the second science run of the LIGO detectors and our final results are all-sky upper limits on the strength of gravitational waves emitted by unknown isolated spinning neutron stars on a set of narrow frequency bands in the range 200-400 Hz. The best upper limit on the gravitational-wave strain amplitude that we obtain in this frequency range is 4.43x10(-23).

引用

页数：22

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