All-sky search for periodic gravitational waves in the full S5 LIGO data

Abadie, J.; Abbott, B.; Abbott, R.; Abbott, T.; Abernathy, M.; Accadia, T.; Acernese, F.; Adams, C.; Adhikari, R.; Affeldt, C.; Ajith, P.; Allen, B.; Allen, G.; Amador Ceron, E.; Amariutei, D.; Amin, R.; Anderson, S.; Anderson, W.; Arai, K.; Arain, M.; Araya, M.; Aston, S.; Astone, Pia; Atkinson, D.; Aufmuth, P.; Aulbert, C.; Aylott, B.; Babak, S.; Baker, P.; Ballardin, G.; Ballmer, S.; Barker, D.; Barone, F.; Barr, B.; Barriga, P.; Barsotti, L.; Barsuglia, M.; Barton, M.; Bartos, I.; Bassiri, R.; Bastarrika, M.; Basti, A.; Batch, J.; Bauchrowitz, J.; Bauer, T. H.; Bebronne, M.; Behnke, B.; Beker, M.; Bell, A.; Belletoile, A.; Belopolski, I.; Benacquista, M.; Berliner, J.; Bertolini, A.; Betzwieser, J.; Beveridge, N.; Beyersdorf, P.; Bilenko, I.; Billingsley, G.; Birch, J.; Biswas, R.; Bitossi, M.; Bizouard, M.; Black, E.; Blackburn, J.; Blackburn, L.; Blair, D.; Bland, B.; Blom, M.; Bock, O.; Bodiya, T.; Bogan, C.; Bondarescu, R.; Bondu, F.; Bonelli, L.; Bonnand, R.; Bork, R.; Born, M.; Boschi, V.; Bose, S.; Bosi, L.; Bouhou, B.; Braccini, S.; Bradaschia, C.; Brady, P.; Braginsky, V.; Branchesi, M.; Brau, J.; Breyer, J.; Briant, T.; Bridges, D.; Brillet, A.; Brinkmann, M.; Brisson, V.; Britzger, M.; Brooks, A.; Brown, D.; Brummit, A.; Bulik, T.; Bulten, H.; Buonanno, A.; Burguet–castell, J.; Burmeister, O.; Buskulic, D.; Buy, C.; Byer, R.; Cadonati, L.; Cagnoli, G.; Calloni, E.; Camp, J.; Campsie, P.; Cannizzo, J.; Cannon, K.; Canuel, B.; Cao, J.; Capano, C.; Carbognani, F.; Caride, S.; Caudill, S.; Cavaglià, M.; Cavalier, F.; Cavalieri, R.; Cella, G.; Cepeda, C.; Cesarini, E.; Chaibi, O.; Chalermsongsak, T.; Chalkley, E.; Charlton, P.; Chassande Mottin, E.; Chelkowski, S.; Chen, Y.; Chincarini, A.; Chiummo, A.; Cho, H.; Christensen, N.; Chua, S.; Chung, C.; Chung, S.; Ciani, G.; Clara, F.; Clark, D.; Clark, J.; Clayton, J.; Cleva, F.; Coccia, E.; Cohadon, P. F.; Colacino, C.; Colas, J.; Colla, Alberto; Colombini, Marzia; Conte, Andrea; Conte, R.; Cook, D.; Corbitt, T.; Cordier, M.; Cornish, N.; Corsi, Alessandra; Costa, C.; Coughlin, M.; Coulon, J. P.; Couvares, P.; Coward, D.; Coyne, D.; Creighton, J.; Creighton, T.; Cruise, A.; Cumming, A.; Cunningham, L.; Cuoco, E.; Cutler, R.; Dahl, K.; Danilishin, S.; Dannenberg, R.; D’Antonio, S.; Danzmann, K.; Dattilo, V.; Daudert, B.; Daveloza, H.; Davier, M.; Davies, G.; Daw, E.; Day, R.; Dayanga, T.; De Rosa, R.; Debra, D.; Debreczeni, G.; Degallaix, J.; Del Pozzo, W.; Del Prete, M.; Dent, T.; Dergachev, V.; Derosa, R.; Desalvo, R.; Dhurandhar, S.; Di Fiore, L.; Diguglielmo, J.; Di Lieto, A.; Di Palma, I.; Di Paolo Emilio, M.; Di Virgilio, A.; Díaz, M.; Dietz, A.; Donovan, F.; Dooley, K.; Dorsher, S.; Drago, M.; Drever, R.; Driggers, J.; Du, Z.; Dumas, J. C.; Dwyer, S.; Eberle, T.; Edgar, M.; Edwards, M.; Effler, A.; Ehrens, P.; Endrőczi, G.; Engel, R.; Etzel, T.; Evans, K.; Evans, M.; Evans, T.; Factourovich, M.; Fafone, V.; Fairhurst, S.; Fan, Y.; Farr, B.; Farr, W.; Fazi, D.; Fehrmann, H.; Feldbaum, D.; Ferrante, I.; Fidecaro, F.; Finn, L.; Fiori, I.; Fisher, R.; Flaminio, R.; Flanigan, M.; Foley, S.; Forsi, E.; Forte, L.; Fotopoulos, N.; Fournier, J. D.; Franc, J.; Frasca, Sergio; Frasconi, F.; Frede, M.; Frei, M.; Frei, Z.; Freise, A.; Frey, R.; Fricke, T.; Friedrich, D.; Fritschel, P.; Frolov, V.; Fulda, P.; Fyffe, M.; Galimberti, M.; Gammaitoni, L.; Ganija, M.; Garcia, J.; Garofoli, J.; Garufi, F.; Gáspár, M.; Gemme, G.; Geng, R.; Genin, E.; Gennai, A.; Gergely, L.; Ghosh, S.; Giaime, J.; Giampanis, S.; Giardina, K.; Giazotto, A.; Gill, C.; Goetz, E.; Goggin, L.; González, G.; Gorodetsky, M.; Goßler, S.; Gouaty, R.; Graef, C.; Granata, M.; Grant, A.; Gras, S.; Gray, C.; Gray, N.; Greenhalgh, R.; Gretarsson, A.; Greverie, C.; Grosso, R.; Grote, H.; Grunewald, S.; Guidi, G.; Guido, C.; Gupta, R.; Gustafson, E.; Gustafson, R.; Ha, T.; Hage, B.; Hallam, J.; Hammer, D.; Hammond, G.; Hanks, J.; Hanna, C.; Hanson, J.; Harms, J.; Harry, G.; Harry, I.; Harstad, E.; Hartman, M.; Haughian, K.; Hayama, K.; Hayau, J. F.; Hayler, T.; Heefner, J.; Heidmann, A.; Heintze, M.; Heitmann, H.; Hello, P.; Hendry, M.; Heng, I.; Heptonstall, A.; Herrera, V.; Hewitson, M.; Hild, S.; Hoak, D.; Hodge, K.; Holt, K.; Hong, T.; Hooper, S.; Hosken, D.; Hough, J.; Howell, E.; Hughey, B.; Husa, S.; Huttner, S.; Huynh Dinh, T.; Ingram, D.; Inta, R.; Isogai, T.; Ivanov, A.; Izumi, K.; Jacobson, M.; Jang, H.; Jaranowski, P.; Johnson, W.; Jones, D.; Jones, G.; Jones, R.; Ju, L.; Kalmus, P.; Kalogera, V.; Kamaretsos, I.; Kandhasamy, S.; Kang, G.; Kanner, J.; Katsavounidis, E.; Katzman, W.; Kaufer, H.; Kawabe, K.; Kawamura, S.; Kawazoe, F.; Kells, W.; Keppel, D.; Keresztes, Z.; Khalaidovski, A.; Khalili, F.; Khazanov, E.; Kim, B.; Kim, C.; Kim, D.; Kim, H.; Kim, K.; Kim, N.; Kim, Y. M.; King, P.; Kinsey, M.; Kinzel, D.; Kissel, J.; Klimenko, S.; Kokeyama, K.; Kondrashov, V.; Kopparapu, R.; Koranda, S.; Korth, W.; Kowalska, I.; Kozak, D.; Kringel, V.; Krishnamurthy, S.; Krishnan, B.; Królak, A.; Kuehn, G.; Kumar, R.; Kwee, P.; Lam, P.; Landry, M.; Lang, M.; Lantz, B.; Lastzka, N.; Lawrie, C.; Lazzarini, A.; Leaci, P.; Lee, C.; Lee, H.; Leindecker, N.; Leong, J.; Leonor, I.; Leroy, N.; Letendre, N.; Li, J.; Li, T.; Liguori, N.; Lindquist, P.; Lockerbie, N.; Lodhia, D.; Lorenzini, M.; Loriette, V.; Lormand, M.; Losurdo, G.; Luan, J.; Lubinski, M.; Lück, H.; Lundgren, A.; Macdonald, E.; Machenschalk, B.; Macinnis, M.; Macleod, D.; Mageswaran, M.; Mailand, K.; Majorana, E.; Maksimovic, I.; Man, N.; Mandel, I.; Mandic, V.; Mantovani, M.; Marandi, A.; Marchesoni, F.; Marion, F.; Márka, S.; Márka, Z.; Markosyan, A.; Maros, E.; Marque, J.; Martelli, F.; Martin, I.; Martin, R.; Marx, J.; Mason, K.; Masserot, A.; Matichard, F.; Matone, L.; Matzner, R.; Mavalvala, N.; Mazzolo, G.; Mccarthy, R.; Mcclelland, D.; Mcguire, S.; Mcintyre, G.; Mciver, J.; Mckechan, D.; Meadors, G.; Mehmet, M.; Meier, T.; Melatos, A.; Melissinos, A.; Mendell, G.; Menendez, D.; Mercer, R.; Meshkov, S.; Messenger, C.; Meyer, M.; Miao, H.; Michel, C.; Milano, L.; Miller, J.; Minenkov, Y.; Mitrofanov, V.; Mitselmakher, G.; Mittleman, R.; Miyakawa, O.; Moe, B.; Moesta, P.; Mohan, M.; Mohanty, S.; Mohapatra, S.; Moraru, D.; Moreno, G.; Morgado, N.; Morgia, A.; Mori, T.; Mosca, S.; Mossavi, K.; Mours, B.; Mow Lowry, C.; Mueller, C.; Mueller, G.; Mukherjee, S.; Mullavey, A.; Müller Ebhardt, H.; Munch, J.; Murphy, D.; Murray, P.; Mytidis, A.; Nash, T.; Naticchioni, Luca; Nawrodt, R.; Necula, V.; Nelson, J.; Newton, G.; Nishizawa, A.; Nocera, F.; Nolting, D.; Nuttall, L.; Ochsner, E.; O’Dell, J.; Oelker, E.; Ogin, G.; Oh, J.; Oh, S.; Oldenburg, R.; O’Reilly, B.; O’Shaughnessy, R.; Osthelder, C.; Ott, C.; Ottaway, D.; Ottens, R.; Overmier, H.; Owen, B.; Page, A.; Pagliaroli, G.; Palladino, L.; Palomba, Cristiano; Pan, Y.; Pankow, C.; Paoletti, F.; Papa, M.; Parisi, M.; Pasqualetti, A.; Passaquieti, R.; Passuello, D.; Patel, P.; Pedraza, M.; Peiris, P.; Pekowsky, L.; Penn, S.; Peralta, C.; Perreca, A.; Persichetti, G.; Phelps, M.; Pickenpack, M.; Piergiovanni, F.; Pietka, M.; Pinard, L.; Pinto, I.; Pitkin, M.; Pletsch, H.; Plissi, M.; Poggiani, R.; Pöld, J.; Postiglione, F.; Prato, M.; Predoi, V.; Price, L.; Prijatelj, M.; Principe, M.; Privitera, S.; Prix, R.; Prodi, G.; Prokhorov, L.; Puncken, O.; Punturo, M.; Puppo, P.; Quetschke, V.; Raab, F.; Rabeling, D.; Rácz, I.; Radkins, H.; Raffai, P.; Rakhmanov, M.; Ramet, C.; Rankins, B.; Rapagnani, Piero; Raymond, V.; Re, V.; Redwine, K.; Reed, C.; Reed, T.; Regimbau, T.; Reid, S.; Reitze, D.; Ricci, Fulvio; Riesen, R.; Riles, K.; Robertson, N.; Robinet, F.; Robinson, C.; Robinson, E.; Rocchi, A.; Roddy, S.; Rodriguez, C.; Rodruck, M.; Rolland, L.; Rollins, J.; Romano, J.; Romano, R.; Romie, J.; Rosińska, D.; Röver, C.; Rowan, S.; Rüdiger, A.; Ruggi, P.; Ryan, K.; Ryll, H.; Sainathan, P.; Sakosky, M.; Salemi, F.; Samblowski, A.; Sammut, L.; Sancho De La Jordana, L.; Sandberg, V.; Sankar, S.; Sannibale, V.; Santamaría, L.; Santiago Prieto, I.; Santostasi, G.; Sassolas, B.; Sathyaprakash, B.; Sato, S.; Saulson, P.; Savage, R.; Schilling, R.; Schlamminger, S.; Schnabel, R.; Schofield, R.; Schulz, B.; Schutz, B.; Schwinberg, P.; Scott, J.; Scott, S.; Searle, A.; Seifert, F.; Sellers, D.; Sengupta, A.; Sentenac, D.; Sergeev, A.; Shaddock, D.; Shaltev, M.; Shapiro, B.; Shawhan, P.; Shoemaker, D.; Sibley, A.; Siemens, X.; Sigg, D.; Singer, A.; Singer, L.; Sintes, A.; Skelton, G.; Slagmolen, B.; Slutsky, J.; Smith, J.; Smith, M.; Smith, N.; Smith, R.; Somiya, K.; Sorazu, B.; Soto, J.; Speirits, F.; Sperandio, L.; Stefszky, M.; Stein, A.; Steinert, E.; Steinlechner, J.; Steinlechner, S.; Steplewski, S.; Stochino, A.; Stone, R.; Strain, K.; Strigin, S.; Stroeer, A.; Sturani, R.; Stuver, A.; Summerscales, T.; Sung, M.; Susmithan, S.; Sutton, P.; Swinkels, B.; Tacca, M.; Taffarello, L.; Talukder, D.; Tanner, D.; Tarabrin, S.; Taylor, J.; Taylor, R.; Thomas, P.; Thorne, K.; Thorne, K.; Thrane, E.; Thüring, A.; Titsler, C.; Tokmakov, K.; Toncelli, A.; Tonelli, M.; Torre, O.; Torres, C.; Torrie, C.; Tournefier, E.; Travasso, F.; Traylor, G.; Trias, M.; Tseng, K.; Ugolini, D.; Urbanek, K.; Vahlbruch, H.; Vajente, G.; Vallisneri, M.; Van Den Brand, J.; Van Den Broeck, C.; Van Der Putten, S.; Van Veggel, A.; Vass, S.; Vasuth, M.; Vaulin, R.; Vavoulidis, M.; Vecchio, A.; Vedovato, G.; Veitch, J.; Veitch, P.; Veltkamp, C.; Verkindt, D.; Vetrano, F.; Viceré, A.; Villar, A.; Vinet, J. Y.; Vitale, S.; Vitale, S.; Vocca, H.; Vorvick, C.; Vyatchanin, S.; Wade, A.; Waldman, S.; Wallace, L.; Wan, Y.; Wang, X.; Wang, Z.; Wanner, A.; Ward, R.; Was, M.; Wei, P.; Weinert, M.; Weinstein, A.; Weiss, R.; Wen, L.; Wen, S.; Wessels, P.; West, M.; Westphal, T.; Wette, K.; Whelan, J.; Whitcomb, S.; White, D.; Whiting, B.; Wilkinson, C.; Willems, P.; Williams, H.; Williams, L.; Willke, B.; Winkelmann, L.; Winkler, W.; Wipf, C.; Wiseman, A.; Wittel, H.; Woan, G.; Wooley, R.; Worden, J.; Yablon, J.; Yakushin, I.; Yamamoto, H.; Yamamoto, K.; Yang, H.; Yeaton Massey, D.; Yoshida, S.; Yu, P.; Yvert, M.; Zadroźny, A.; Zanolin, M.; Zendri, J. P.; Zhang, F.; Zhang, L.; Zhang, W.; Zhang, Z.; Zhao, C.; Zotov, N.; Zucker, M.; Zweizig, J.

doi:10.1103/physrevd.85.022001

We report on an all-sky search for periodic gravitational waves in the frequency band 50-800Hz and with the frequency time derivative in the range of 0 through -6×10-9Hz/s. Such a signal could be produced by a nearby spinning and slightly nonaxisymmetric isolated neutron star in our Galaxy. After recent improvements in the search program that yielded a 10× increase in computational efficiency, we have searched in two years of data collected during LIGO's fifth science run and have obtained the most sensitive all-sky upper limits on gravitational-wave strain to date. Near 150Hz our upper limit on worst-case linearly polarized strain amplitude h0 is 1×10-24, while at the high end of our frequency range we achieve a worst-case upper limit of 3.8×10-24 for all polarizations and sky locations. These results constitute a factor of 2 improvement upon previously published data. A new detection pipeline utilizing a loosely coherent algorithm was able to follow up weaker outliers, increasing the volume of space where signals can be detected by a factor of 10, but has not revealed any gravitational-wave signals. The pipeline has been tested for robustness with respect to deviations from the model of an isolated neutron star, such as caused by a low-mass or long-period binary companion. © 2012 American Physical Society.

All-sky search for periodic gravitational waves in the full S5 LIGO data / Abadie, J., Abbott, B., Abbott, R., Abbott, T., Abernathy, M., Accadia, T., Acernese, F., Adams, C., Adhikari, R., Affeldt, C., Ajith, P., Allen, B., Allen, G., Amador Ceron, E., Amariutei, D., Amin, R., Anderson, S., Anderson, W., Arai, K., Arain, M., et al.. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - 85:2(2012). [10.1103/physrevd.85.022001]

All-sky search for periodic gravitational waves in the full S5 LIGO data

J. Abadie;B. Abbott;R. Abbott;T. Abbott;M. Abernathy;T. Accadia;F. Acernese;C. Adams;R. Adhikari;C. Affeldt;P. Ajith;B. Allen;G. Allen;E. Amador Ceron;D. Amariutei;R. Amin;S. Anderson;W. Anderson;K. Arai;M. Arain;M. Araya;S. Aston;ASTONE, PIA;D. Atkinson;P. Aufmuth;C. Aulbert;B. Aylott;S. Babak;P. Baker;G. Ballardin;S. Ballmer;D. Barker;F. Barone;B. Barr;P. Barriga;L. Barsotti;M. Barsuglia;M. Barton;I. Bartos;R. Bassiri;M. Bastarrika;A. Basti;J. Batch;J. Bauchrowitz;T.h. Bauer;M. Bebronne;B. Behnke;M. Beker;A. Bell;A. Belletoile;I. Belopolski;M. Benacquista;J. Berliner;A. Bertolini;J. Betzwieser;N. Beveridge;P. Beyersdorf;I. Bilenko;G. Billingsley;J. Birch;R. Biswas;M. Bitossi;M. Bizouard;E. Black;J. Blackburn;L. Blackburn;D. Blair;B. Bland;M. Blom;O. Bock;T. Bodiya;C. Bogan;R. Bondarescu;F. Bondu;L. Bonelli;R. Bonnand;R. Bork;M. Born;V. Boschi;S. Bose;L. Bosi;B. Bouhou;S. Braccini;C. Bradaschia;P. Brady;V. Braginsky;M. Branchesi;J. Brau;J. Breyer;T. Briant;D. Bridges;A. Brillet;M. Brinkmann;V. Brisson;M. Britzger;A. Brooks;D. Brown;A. Brummit;T. Bulik;H. Bulten;A. Buonanno;J. Burguet–Castell;O. Burmeister;D. Buskulic;C. Buy;R. Byer;L. Cadonati;G. Cagnoli;E. Calloni;J. Camp;P. Campsie;J. Cannizzo;K. Cannon;B. Canuel;J. Cao;C. Capano;F. Carbognani;S. Caride;S. Caudill;M. Cavaglià;F. Cavalier;R. Cavalieri;G. Cella;C. Cepeda;E. Cesarini;O. Chaibi;T. Chalermsongsak;E. Chalkley;P. Charlton;E. Chassande Mottin;S. Chelkowski;Y. Chen;A. Chincarini;A. Chiummo;H. Cho;N. Christensen;S. Chua;C. Chung;S. Chung;G. Ciani;F. Clara;D. Clark;J. Clark;J. Clayton;F. Cleva;E. Coccia;P. F. Cohadon;C. Colacino;J. Colas;COLLA, ALBERTO;COLOMBINI, MARZIA;CONTE, ANDREA;R. Conte;D. Cook;T. Corbitt;M. Cordier;N. Cornish;CORSI, ALESSANDRA;C. Costa;M. Coughlin;J. P. Coulon;P. Couvares;D. Coward;D. Coyne;J. Creighton;T. Creighton;A. Cruise;A. Cumming;L. Cunningham;E. Cuoco;R. Cutler;K. Dahl;S. Danilishin;R. Dannenberg;S. D’Antonio;K. Danzmann;V. Dattilo;B. Daudert;H. Daveloza;M. Davier;G. Davies;E. Daw;R. Day;T. Dayanga;R. De Rosa;D. DeBra;G. Debreczeni;J. Degallaix;W. Del Pozzo;M. del Prete;T. Dent;V. Dergachev;R. DeRosa;R. DeSalvo;S. Dhurandhar;L. Di Fiore;J. DiGuglielmo;A. Di Lieto;I. Di Palma;M. Di Paolo Emilio;A. Di Virgilio;M. Díaz;A. Dietz;F. Donovan;K. Dooley;S. Dorsher;M. Drago;R. Drever;J. Driggers;Z. Du;J. C. Dumas;S. Dwyer;T. Eberle;M. Edgar;M. Edwards;A. Effler;P. Ehrens;G. Endrőczi;R. Engel;T. Etzel;K. Evans;M. Evans;T. Evans;M. Factourovich;V. Fafone;S. Fairhurst;Y. Fan;B. Farr;W. Farr;D. Fazi;H. Fehrmann;D. Feldbaum;I. Ferrante;F. Fidecaro;L. Finn;I. Fiori;R. Fisher;R. Flaminio;M. Flanigan;S. Foley;E. Forsi;L. Forte;N. Fotopoulos;J. D. Fournier;J. Franc;FRASCA, Sergio;F. Frasconi;M. Frede;M. Frei;Z. Frei;A. Freise;R. Frey;T. Fricke;D. Friedrich;P. Fritschel;V. Frolov;P. Fulda;M. Fyffe;M. Galimberti;L. Gammaitoni;M. Ganija;J. Garcia;J. Garofoli;F. Garufi;M. Gáspár;G. Gemme;R. Geng;E. Genin;A. Gennai;L. Gergely;S. Ghosh;J. Giaime;S. Giampanis;K. Giardina;A. Giazotto;C. Gill;E. Goetz;L. Goggin;G. González;M. Gorodetsky;S. Goßler;R. Gouaty;C. Graef;M. Granata;A. Grant;S. Gras;C. Gray;N. Gray;R. Greenhalgh;A. Gretarsson;C. Greverie;R. Grosso;H. Grote;S. Grunewald;G. Guidi;C. Guido;R. Gupta;E. Gustafson;R. Gustafson;T. Ha;B. Hage;J. Hallam;D. Hammer;G. Hammond;J. Hanks;C. Hanna;J. Hanson;J. Harms;G. Harry;I. Harry;E. Harstad;M. Hartman;K. Haughian;K. Hayama;J. F. Hayau;T. Hayler;J. Heefner;A. Heidmann;M. Heintze;H. Heitmann;P. Hello;M. Hendry;I. Heng;A. Heptonstall;V. Herrera;M. Hewitson;S. Hild;D. Hoak;K. Hodge;K. Holt;T. Hong;S. Hooper;D. Hosken;J. Hough;E. Howell;B. Hughey;S. Husa;S. Huttner;T. Huynh Dinh;D. Ingram;R. Inta;T. Isogai;A. Ivanov;K. Izumi;M. Jacobson;H. Jang;P. Jaranowski;W. Johnson;D. Jones;G. Jones;R. Jones;L. Ju;P. Kalmus;V. Kalogera;I. Kamaretsos;S. Kandhasamy;G. Kang;J. Kanner;E. Katsavounidis;W. Katzman;H. Kaufer;K. Kawabe;S. Kawamura;F. Kawazoe;W. Kells;D. Keppel;Z. Keresztes;A. Khalaidovski;F. Khalili;E. Khazanov;B. Kim;C. Kim;D. Kim;H. Kim;K. Kim;N. Kim;Y. M. Kim;P. King;M. Kinsey;D. Kinzel;J. Kissel;S. Klimenko;K. Kokeyama;V. Kondrashov;R. Kopparapu;S. Koranda;W. Korth;I. Kowalska;D. Kozak;V. Kringel;S. Krishnamurthy;B. Krishnan;A. Królak;G. Kuehn;R. Kumar;P. Kwee;P. Lam;M. Landry;M. Lang;B. Lantz;N. Lastzka;C. Lawrie;A. Lazzarini;P. Leaci;C. Lee;H. Lee;N. Leindecker;J. Leong;I. Leonor;N. Leroy;N. Letendre;J. Li;T. Li;N. Liguori;P. Lindquist;N. Lockerbie;D. Lodhia;M. Lorenzini;V. Loriette;M. Lormand;G. Losurdo;J. Luan;M. Lubinski;H. Lück;A. Lundgren;E. Macdonald;B. Machenschalk;M. MacInnis;D. Macleod;M. Mageswaran;K. Mailand;E. Majorana;I. Maksimovic;N. Man;I. Mandel;V. Mandic;M. Mantovani;A. Marandi;F. Marchesoni;F. Marion;S. Márka;Z. Márka;A. Markosyan;E. Maros;J. Marque;F. Martelli;I. Martin;R. Martin;J. Marx;K. Mason;A. Masserot;F. Matichard;L. Matone;R. Matzner;N. Mavalvala;G. Mazzolo;R. McCarthy;D. McClelland;S. McGuire;G. McIntyre;J. McIver;D. McKechan;G. Meadors;M. Mehmet;T. Meier;A. Melatos;A. Melissinos;G. Mendell;D. Menendez;R. Mercer;S. Meshkov;C. Messenger;M. Meyer;H. Miao;C. Michel;L. Milano;J. Miller;Y. Minenkov;V. Mitrofanov;G. Mitselmakher;R. Mittleman;O. Miyakawa;B. Moe;P. Moesta;M. Mohan;S. Mohanty;S. Mohapatra;D. Moraru;G. Moreno;N. Morgado;A. Morgia;T. Mori;S. Mosca;K. Mossavi;B. Mours;C. Mow Lowry;C. Mueller;G. Mueller;S. Mukherjee;A. Mullavey;H. Müller Ebhardt;J. Munch;D. Murphy;P. Murray;A. Mytidis;T. Nash;NATICCHIONI, LUCA;R. Nawrodt;V. Necula;J. Nelson;G. Newton;A. Nishizawa;F. Nocera;D. Nolting;L. Nuttall;E. Ochsner;J. O’Dell;E. Oelker;G. Ogin;J. Oh;S. Oh;R. Oldenburg;B. O’Reilly;R. O’Shaughnessy;C. Osthelder;C. Ott;D. Ottaway;R. Ottens;H. Overmier;B. Owen;A. Page;G. Pagliaroli;L. Palladino;PALOMBA, Cristiano;Y. Pan;C. Pankow;F. Paoletti;M. Papa;M. Parisi;A. Pasqualetti;R. Passaquieti;D. Passuello;P. Patel;M. Pedraza;P. Peiris;L. Pekowsky;S. Penn;C. Peralta;A. Perreca;G. Persichetti;M. Phelps;M. Pickenpack;F. Piergiovanni;M. Pietka;L. 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2012

Abstract

We report on an all-sky search for periodic gravitational waves in the frequency band 50-800Hz and with the frequency time derivative in the range of 0 through -6×10-9Hz/s. Such a signal could be produced by a nearby spinning and slightly nonaxisymmetric isolated neutron star in our Galaxy. After recent improvements in the search program that yielded a 10× increase in computational efficiency, we have searched in two years of data collected during LIGO's fifth science run and have obtained the most sensitive all-sky upper limits on gravitational-wave strain to date. Near 150Hz our upper limit on worst-case linearly polarized strain amplitude h0 is 1×10-24, while at the high end of our frequency range we achieve a worst-case upper limit of 3.8×10-24 for all polarizations and sky locations. These results constitute a factor of 2 improvement upon previously published data. A new detection pipeline utilizing a loosely coherent algorithm was able to follow up weaker outliers, increasing the volume of space where signals can be detected by a factor of 10, but has not revealed any gravitational-wave signals. The pipeline has been tested for robustness with respect to deviations from the model of an isolated neutron star, such as caused by a low-mass or long-period binary companion. © 2012 American Physical Society.

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				2012
			
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				01 Pubblicazione su rivista::01a Articolo in rivista
			
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				All-sky search for periodic gravitational waves in the full S5 LIGO data / Abadie, J., Abbott, B., Abbott, R., Abbott, T., Abernathy, M., Accadia, T., Acernese, F., Adams, C., Adhikari, R., Affeldt, C., Ajith, P., Allen, B., Allen, G., Amador Ceron, E., Amariutei, D., Amin, R., Anderson, S., Anderson, W., Arai, K., Arain, M., et al.. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - 85:2(2012). [10.1103/physrevd.85.022001]
			
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				01a Articolo in rivista

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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/456033

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