SEARCH FOR GRAVITATIONAL WAVE BURSTS FROM SIX MAGNETARS

被引：55

作者：

Abadie, J. ^{[1
]}

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

Abbott, R. ^{[1
]}

Abernathy, M. ^{[2
]}

Accadia, T. ^{[3
]}

Acernese, F. ^{[4
,5
]}

Adams, C. ^{[6
]}

Adhikari, R. ^{[1
]}

Affeldt, C. ^{[7
,8
]}

Allen, B. ^{[7
,8
,9
]}

Allen, G. S. ^{[10
]}

Ceron, E. Amador ^{[9
]}

Amariutei, D. ^{[11
]}

Amin, R. S. ^{[12
]}

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

Anderson, W. G. ^{[9
]}

Antonucci, F. ^{[13
]}

Arai, K. ^{[1
]}

Arain, M. A. ^{[11
]}

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

Aston, S. M. ^{[14
]}

Astone, P. ^{[13
]}

Atkinson, D. ^{[15
]}

Aufmuth, P. ^{[7
,8
]}

Aulbert, C. ^{[7
,8
]}

Aylott, B. E. ^{[14
]}

Babak, S. ^{[16
]}

Baker, P. ^{[17
]}

Ballardin, G. ^{[18
]}

Ballmer, S. ^{[1
]}

Barker, D. ^{[15
]}

Barnum, S. ^{[19
]}

Barone, F. ^{[4
,5
]}

Barr, B. ^{[2
]}

Barriga, P. ^{[20
]}

Barsotti, L. ^{[21
]}

Barsuglia, M. ^{[22
]}

Barton, M. A. ^{[15
]}

Bartos, I. ^{[23
]}

Bassiri, R. ^{[2
]}

Bastarrika, M. ^{[2
]}

Basti, A. ^{[2
,24
,25
]}

Bauchrowitz, J. ^{[7
,8
]}

Bauer, Th S. ^{[26
]}

Behnke, B. ^{[16
]}

Beker, M. G. ^{[26
]}

Bell, A. S. ^{[2
]}

Belletoile, A. ^{[2
,3
]}

Belopolski, I. ^{[23
]}

Benacquista, M. ^{[27
]}

机构：

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

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

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

[4] Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy

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

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

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

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

[9] Univ Wisconsin, Milwaukee, WI 53201 USA

[10] Stanford Univ, Stanford, CA 94305 USA

[11] Univ Florida, Gainesville, FL 32611 USA

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

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

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

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

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

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

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

[19] Carleton Coll, Northfield, MN 55057 USA

[20] Univ Western Australia, Crawley, WA 6009, Australia

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

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

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

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

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

[26] Nikhef, Amsterdam, Netherlands

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

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

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

[30] Univ Nice Sophia Antipolis, CNRS, Observ Cote Azur, F-06304 Nice, France

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

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

[33] Univ Rennes 1, CNRS, Inst Phys Rennes, F-35042 Rennes, France

[34] CNRS, IN2P3, LMA, F-69622 Lyon, France

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

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

[37] Caltech CaRT, Pasadena, CA 91125 USA

[38] Univ Oregon, Eugene, OR 97403 USA

[39] Syracuse Univ, Syracuse, NY 13244 USA

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

[41] Warsaw Univ, Astron Observ, PL-00478 Warsaw, Poland

[42] CAMK PAN, PL-00716 Warsaw, Poland

[43] Vrije Univ Amsterdam, NL-1081 HV Amsterdam, Netherlands

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

[45] Univ Massachusetts, Amherst, MA 01003 USA

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

[47] Univ Mississippi, University, MS 38677 USA

[48] Univ Naples Federico II, I-80126 Naples, Italy

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

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

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2011年 / 734卷 / 02期

基金：

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

关键词：

gravitational waves; stars: magnetars; SOFT-GAMMA-REPEATER; X-RAY PULSAR; MAGNETIZED NEUTRON-STARS; GIANT FLARE; SGR 1900+14; DISCOVERY; OSCILLATIONS; DISTANCE; LOCALIZATION; ORIGIN;

D O I：

10.1088/2041-8205/734/2/L35

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Soft gamma repeaters (SGRs) and anomalous X-ray pulsars (AXPs) are thought to be magnetars: neutron stars powered by extreme magnetic fields. These rare objects are characterized by repeated and sometimes spectacular gamma-ray bursts. The burst mechanism might involve crustal fractures and excitation of non-radial modes which would emit gravitational waves (GWs). We present the results of a search for GW bursts from six galactic magnetars that is sensitive to neutron star f-modes, thought to be the most efficient GW emitting oscillatory modes in compact stars. One of them, SGR 0501+4516, is likely similar to 1 kpc from Earth, an order of magnitude closer than magnetars targeted in previous GW searches. A second, AXP 1E 1547.0-5408, gave a burst with an estimated isotropic energy >10(44) erg which is comparable to the giant flares. We find no evidence of GWs associated with a sample of 1279 electromagnetic triggers from six magnetars occurring between 2006 November and 2009 June, in GW data from the LIGO, Virgo, and GEO600 detectors. Our lowest model-dependent GW emission energy upper limits for band-and time-limited white noise bursts in the detector sensitive band, and for f-mode ringdowns (at 1090 Hz), are 3.0 x 10(44)d(1)(2) erg and 1.4 x 10(47)d(1)(2) erg, respectively, where d(1) = d(0501)/1 kpc and d(0501) is the distance to SGR 0501+4516. These limits on GW emission from f-modes are an order of magnitude lower than any previous, and approach the range of electromagnetic energies seen in SGR giant flares for the first time.

引用

页数：9

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