Search of the Orion spur for continuous gravitational waves using a loosely coherent algorithm on data from LIGO interferometers

Aasi, J. et al. (2016) Search of the Orion spur for continuous gravitational waves using a loosely coherent algorithm on data from LIGO interferometers. Physical Review D, 93(4), 042006. (doi:10.1103/PhysRevD.93.042006)

Aasi, J. et al. (2016) Search of the Orion spur for continuous gravitational waves using a loosely coherent algorithm on data from LIGO interferometers. Physical Review D, 93(4), 042006. (doi:10.1103/PhysRevD.93.042006)

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Abstract

We report results of a wideband search for periodic gravitational waves from isolated neutron stars within the Orion spur towards both the inner and outer regions of our Galaxy. As gravitational waves interact very weakly with matter, the search is unimpeded by dust and concentrations of stars. One search disk (A) is 6.87° in diameter and centered on 20h10m54.71s+33°33′25.29′′, and the other (B) is 7.45° in diameter and centered on 8h35m20.61s−46°49′25.151′′. We explored the frequency range of 50–1500 Hz and frequency derivative from 0 to −5×10−9  Hz/s. A multistage, loosely coherent search program allowed probing more deeply than before in these two regions, while increasing coherence length with every stage. Rigorous follow-up parameters have winnowed the initial coincidence set to only 70 candidates, to be examined manually. None of those 70 candidates proved to be consistent with an isolated gravitational-wave emitter, and 95% confidence level upper limits were placed on continuous-wave strain amplitudes. Near 169 Hz we achieve our lowest 95% C.L. upper limit on the worst-case linearly polarized strain amplitude h0 of 6.3×10−25, while at the high end of our frequency range we achieve a worst-case upper limit of 3.4×10−24 for all polarizations and sky locations.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Grant, Mr Alastair and Messenger, Dr Christopher and Bell, Dr Angus and Hammond, Professor Giles and Hild, Professor Stefan and Barr, Dr Bryan and Sorazu Lucio, Dr Borja and Leavey, Mr Sean and Steinlechner, Dr Jessica and Veitch, Dr John and Phelps, Ms Margot and Heng, Professor Ik Siong and van Veggel, Dr Marielle and Houston, Mr Ewan and Newton, Dr Gavin and Graef, Dr Christian and Hendry, Professor Martin and Douglas, Miss Rebecca and Scott, Dr Jamie and Danilishin, Dr Stefan and Rowan, Professor Sheila and Martin, Dr Iain and Robertson, Professor Norna and Robie, Mr Raymond and Cumming, Dr Alan and Gordon, Mr Neil and Hennig, Mr Jan-Simon and Cunningham, Dr Liam and Barclay, Miss Sheena and Powell, Miss Jade and Woan, Professor Graham and Steinlechner, Dr Sebastian and Mangano, Miss Valentina and Hough, Professor James and Huttner, Dr Sabina and Strain, Professor Kenneth and Jones, Mr Russell and Haughian, Dr Karen and Pitkin, Dr Matthew and Murray, Dr Peter
Authors: Aasi, J., Abbott, B. P., Abbott, R., Abbott, T. D., Abernathy, M. R., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Adya, V. B., Affeldt, C., Agathos, M., Agatsuma, K., Aggarwal, N., Aguiar, O. D., Ain, A., Ajith, P., Allen, B., Allocca, A., Amariutei, D. V., Andersen, M., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C. C., Areeda, J. S., Arnaud, N., Ashton, G., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Babak, S., Baker, P. T., Baldaccini, F., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barclay, S. E., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Bartlett, J., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Baune, C., Bavigadda, V., Behnke, B., Bejger, M., Belczynski, C., Bell, A.S., Berger, B. K., Bergman, J., Bergmann, G., Berry, C. P. L., Bersanetti, D., Bertolini, A., Betzwieser, J., Bhagwat, S., Bhandare, R., Bilenko, I. A., Billingsley, G., Birch, J., Birney, R., Biscans, S., Bitossi, M., Biwer, C., Bizouard, M. A., Blackburn, J. K., Blair, C. D., Blair, D., Bloemen, S., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bojtos, P., Bond, C., Bondu, F., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, S., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Branco, V., Brau, J. E., Briant, T., Brillet, A., Brinkmann, M., Brisson, V., Brockill, P., Brooks, A. F., Brown, D. A., Brown, D., Brown, D. D., Brown, N. M., Buchanan, C. C., Buikema, A., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Byer, R. L., Cadonati, L., Cagnoli, G., Bustillo, J. C., Calloni, E., Camp, J. B., Cannon, K. C., Cao, J., Capano, C. D., Capocasa, E., Carbognani, F., Caride, S., Diaz, J. C., Casentini, C., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Celerier, C., Cella, G., Cepeda, C., Baiardi, L. C., Cerretani, G., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Cheng, C., Chincarini, A., Chiummo, A., Cho, H. S., Cho, M., Chow, J. H., Christensen, N., Chu, Q., Chua, S., Chung, S., Ciani, G., Clara, F., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P.-F., Colla, A., Collette, C. G., Colombini, M., Constancio, M., Conte, A., Conti, L., Cook, D., Corbitt, T. R., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coughlin, S. B., Coulon, J.-P., Countryman, S. T., Couvares, P., Coward, D. M., Cowart, M. J., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Creighton, T., Cripe, J., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dal Canton, T., Damjanic, M. D., Danilishin, S. L., D’Antonio, S., Danzmann, K., Darman, N. S., Dattilo, V., Dave, I., Daveloza, H. P., Davier, M., Davies, G. S., Daw, E. J., Day, R., DeBra, D., Debreczeni, G., Degallaix, J., De Laurentis, M., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M. C., Di Fiore, L., Di Giovanni, M., Di Lieto, A., Di Palma, I., Di Virgilio, A., Dojcinoski, G., Dolique, V., Dominguez, E., Donovan, F., Dooley, K. L., Doravari, S., Douglas, R., Downes, T. P., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Ducrot, M., Dwyer, S. E., Edo, T. B., Edwards, M. C., Edwards, M., Effler, A., Eggenstein, H.-B., Ehrens, P., Eichholz, J. M., Eikenberry, S. S., Essick, R. C., Etzel, T., Evans, M., Evans, T. M., Everett, R., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fays, M., Fehrmann, H., Fejer, M. M., Feldbaum, D., Ferrante, I., Ferreira, E. C., Ferrini, F., Fidecaro, F., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J.-D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fulda, P., Fyffe, M., Gabbard, H. A. G., Gair, J. R., Gammaitoni, L., Gaonkar, S. G., Garufi, F., Gatto, A., Gehrels, N., Gemme, G., Gendre, B., Genin, E., Gennai, A., Gergely, L. Á., Germain, V., Ghosh, A., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gleason, J. R., Goetz, E., Goetz, R., Gondan, L., González, G., Gonzalez, J., Gopakumar, A., Gordon, N. A., Gorodetsky, M. L., Gossan, S. E., Gosselin, M., Goßler, S., Gouaty, R., Graef, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greco, G., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C. J., Guo, X., Gupta, A., Gupta, M. K., Gushwa, K. E., Gustafson, E. K., Gustafson, R., Hacker, J. J., Hall, B. R., Hall, E. D., Hammer, D., Hammond, G., Haney, M., Hanke, M. M., Hanks, J., Hanna, C., Hannam, M. 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C., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yam, W., Yamamoto, H., Yancey, C. C., Yvert, M., Zadrożny, A., Zangrando, L., Zanolin, M., Zendri, J.-P., Zhang, F., Zhang, L., Zhang, M., Zhang, Y., Zhao, C., Zhou, M., Zhu, X. J., Zucker, M. E., Zuraw, S. E., and Zweizig, J.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review D
Publisher:American Physical Society
ISSN:1550-7998
ISSN (Online):1550-2368
Copyright Holders:Copyright © 2016 American Physical Society
First Published:First published in Physical Review D 93(4): 042006
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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