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https://www.readbyqxmd.com/read/29158887/medical-imaging-lesion-detection-based-on-unified-gravitational-fuzzy-clustering
#1
Jean Marie Vianney Kinani, Alberto Jorge Rosales Silva, Francisco Gallegos Funes, Dante Mújica Vargas, Eduardo Ramos Díaz, Alfonso Arellano
We develop a swift, robust, and practical tool for detecting brain lesions with minimal user intervention to assist clinicians and researchers in the diagnosis process, radiosurgery planning, and assessment of the patient's response to the therapy. We propose a unified gravitational fuzzy clustering-based segmentation algorithm, which integrates the Newtonian concept of gravity into fuzzy clustering. We first perform fuzzy rule-based image enhancement on our database which is comprised of T1/T2 weighted magnetic resonance (MR) and fluid-attenuated inversion recovery (FLAIR) images to facilitate a smoother segmentation...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29152565/should-coastal-planners-have-concern-over-where-land-ice-is-melting
#2
Eric Larour, Erik R Ivins, Surendra Adhikari
There is a general consensus among Earth scientists that melting of land ice greatly contributes to sea-level rise (SLR) and that future warming will exacerbate the risks posed to human civilization. As land ice is lost to the oceans, both the Earth's gravitational and rotational potentials are perturbed, resulting in strong spatial patterns in SLR, termed sea-level fingerprints. We lack robust forecasting models for future ice changes, which diminishes our ability to use these fingerprints to accurately predict local sea-level (LSL) changes...
November 2017: Science Advances
https://www.readbyqxmd.com/read/29144451/tidal-tomography-constrains-earth-s-deep-mantle-buoyancy
#3
Harriet C P Lau, Jerry X Mitrovica, James L Davis, Jeroen Tromp, Hsin-Ying Yang, David Al-Attar
Earth's body tide-also known as the solid Earth tide, the displacement of the solid Earth's surface caused by gravitational forces from the Moon and the Sun-is sensitive to the density of the two Large Low Shear Velocity Provinces (LLSVPs) beneath Africa and the Pacific. These massive regions extend approximately 1,000 kilometres upward from the base of the mantle and their buoyancy remains actively debated within the geophysical community. Here we use tidal tomography to constrain Earth's deep-mantle buoyancy derived from Global Positioning System (GPS)-based measurements of semi-diurnal body tide deformation...
November 15, 2017: Nature
https://www.readbyqxmd.com/read/29140780/full-body-animation-of-human-locomotion-in-reduced-gravity-using-physics-based-control
#4
Yun-Hyeong Kim, Taesoo Kwon, Daeun Song, Young J Kim
The proposed physics-based approach can generate stable and robust full-body animation of various gaits under different gravitational conditions. As input, this method takes motion-captured human motions in the Earth's gravity and builds an inverted-pendulum on cart (IPC) control model, which is analyzed using the motion-captured data. The authors use a pre-estimation model based on the Froude number to predict the desired velocity and stride frequency of a character model in hypogravity and then generate full-body animation using a pendulum trajectory generator, motion planner, and tracking...
November 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/29138494/drying-in-a-microfluidic-chip-experiments-and-simulations
#5
Paolo Fantinel, Oshri Borgman, Ran Holtzman, Lucas Goehring
We present an experimental micro-model of drying porous media, based on microfluidic cells made of arrays of pillars on a regular grid, and complement these experiments with a matching two-dimensional pore-network model of drying. Disorder, or small-scale heterogeneity, was introduced into the cells by randomly varying the radii of the pillars. The microfluidic chips were filled with a volatile oil and then dried horizontally, such that gravitational effects were excluded. The experimental and simulated drying rates and patterns were then compared in detail, for various levels of disorder...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29135799/peripapillary-pachychoroid-syndrome
#6
Nopasak Phasukkijwatana, K Bailey Freund, Rosa Dolz-Marco, Mayss Al-Sheikh, Pearse A Keane, Catherine A Egan, Sandeep Randhawa, Jay M Stewart, Qingyun Liu, Alex P Hunyor, Allan Kreiger, Aaron Nagiel, Robert Lalane, Mansour Rahimi, Won Ki Lee, Lee Merrill Jampol, David Sarraf
PURPOSE: To describe the features of peripapillary pachychoroid syndrome (PPS), a novel pachychoroid disease spectrum (PDS) entity. METHODS: Medical records of 31 eyes (16 patients) with choroidal thickening associated with intraretinal and/or subretinal fluid in the nasal macula extending from the disk were reviewed (patients with PPS). Choroidal thickness was compared with 2 age-matched cohorts: typical PDS (17 eyes with central serous chorioretinopathy or pachychoroid neovasculopathy) and 19 normal eyes...
November 10, 2017: Retina
https://www.readbyqxmd.com/read/29134681/gravity-constraints-drive-biological-systems-toward-specific-organization-patterns-commitment-of-cell-specification-is-constrained-by-physical-cues
#7
REVIEW
Mariano Bizzarri, Maria Grazia Masiello, Alessandro Giuliani, Alessandra Cucina
Different cell lineages growing in microgravity undergo a spontaneous transition leading to the emergence of two distinct phenotypes. By returning these populations in a normal gravitational field, the two phenotypes collapse, recovering their original configuration. In this review, we hypothesize that, once the gravitational constraint is removed, the system freely explores its phenotypic space, while, when in a gravitational field, cells are "constrained" to adopt only one favored configuration. We suggest that the genome allows for a wide range of "possibilities" but it is unable per se to choose among them: the emergence of a specific phenotype is enabled by physical constraints that drive the system toward a preferred solution...
November 14, 2017: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/29134193/snowball-earth-climate-dynamics-and-cryogenian-geology-geobiology
#8
Paul F Hoffman, Dorian S Abbot, Yosef Ashkenazy, Douglas I Benn, Jochen J Brocks, Phoebe A Cohen, Grant M Cox, Jessica R Creveling, Yannick Donnadieu, Douglas H Erwin, Ian J Fairchild, David Ferreira, Jason C Goodman, Galen P Halverson, Malte F Jansen, Guillaume Le Hir, Gordon D Love, Francis A Macdonald, Adam C Maloof, Camille A Partin, Gilles Ramstein, Brian E J Rose, Catherine V Rose, Peter M Sadler, Eli Tziperman, Aiko Voigt, Stephen G Warren
Geological evidence indicates that grounded ice sheets reached sea level at all latitudes during two long-lived Cryogenian (58 and ≥5 My) glaciations. Combined uranium-lead and rhenium-osmium dating suggests that the older (Sturtian) glacial onset and both terminations were globally synchronous. Geochemical data imply that CO2 was 10(2) PAL (present atmospheric level) at the younger termination, consistent with a global ice cover. Sturtian glaciation followed breakup of a tropical supercontinent, and its onset coincided with the equatorial emplacement of a large igneous province...
November 2017: Science Advances
https://www.readbyqxmd.com/read/29133864/effects-of-microgravity-on-osteoblast-mitochondria-a-proteomic-and-metabolomics-profile
#9
Anna Michaletti, Magda Gioia, Umberto Tarantino, Lello Zolla
The response of human primary osteoblasts exposed to simulated microgravity has been investigated and analysis of metabolomic and proteomic profiles demonstrated a prominent dysregulation of mitochondrion homeostasis. Gravitational unloading treatment induced a decrease in mitochondrial proteins, mainly affecting efficiency of the respiratory chain. Metabolomic analysis revealed that microgravity influenced several metabolic pathways; stimulating glycolysis and the pentose phosphate pathways, while the Krebs cycle was interrupted at succinate-fumarate transformation...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29132232/embedded-multimaterial-extrusion-bioprinting
#10
Marco Rocca, Alessio Fragasso, Wanjun Liu, Marcel A Heinrich, Yu Shrike Zhang
Embedded extrusion bioprinting allows for the generation of complex structures that otherwise cannot be achieved with conventional layer-by-layer deposition from the bottom, by overcoming the limits imposed by gravitational force. By taking advantage of a hydrogel bath, serving as a sacrificial printing environment, it is feasible to extrude a bioink in freeform until the entire structure is deposited and crosslinked. The bioprinted structure can be subsequently released from the supporting hydrogel and used for further applications...
November 1, 2017: SLAS Technology
https://www.readbyqxmd.com/read/29125824/intraluminal-valves-development-function-and-disease
#11
REVIEW
Xin Geng, Boksik Cha, Md Riaj Mahamud, R Sathish Srinivasan
The circulatory system consists of the heart, blood vessels and lymphatic vessels, which function in parallel to provide nutrients and remove waste from the body. Vascular function depends on valves, which regulate unidirectional fluid flow against gravitational and pressure gradients. Severe valve disorders can cause mortality and some are associated with severe morbidity. Although cardiac valve defects can be treated by valve replacement surgery, no treatment is currently available for valve disorders of the veins and lymphatics...
November 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/29118667/twistor-theory-at-fifty-from-contour-integrals-to-twistor-strings
#12
REVIEW
Michael Atiyah, Maciej Dunajski, Lionel J Mason
We review aspects of twistor theory, its aims and achievements spanning the last five decades. In the twistor approach, space-time is secondary with events being derived objects that correspond to compact holomorphic curves in a complex threefold-the twistor space. After giving an elementary construction of this space, we demonstrate how solutions to linear and nonlinear equations of mathematical physics-anti-self-duality equations on Yang-Mills or conformal curvature-can be encoded into twistor cohomology...
October 2017: Proceedings. Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/29118399/gravitational-field-effects-on-the-decoherence-process-and-the-quantum-speed-limit
#13
Sh Dehdashti, Z Avazzadeh, Z Xu, J Q Shen, B Mirza, H Wang
In this paper we use spinor transformations under local Lorentz transformations to investigate the curvature effect on the quantum-to-classical transition, described in terms of the decoherence process and of the quantum speed limit. We find that gravitational fields (introduced adopting the Schwarzschild and anti-de Sitter geometries) affect both the decoherence process and the quantum speed limit of a quantum particle with spin-1/2. In addition, as a tangible example, we study the effect of the Earth's gravitational field, characterized by the Rindler space-time, on the same particle...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29117099/field-tests-of-a-portable-mems-gravimeter
#14
Richard P Middlemiss, Steven G Bramsiepe, Rebecca Douglas, James Hough, Douglas J Paul, Sheila Rowan, Giles D Hammond
Gravimeters are used to measure density anomalies under the ground. They are applied in many different fields from volcanology to oil and gas exploration, but present commercial systems are costly and massive. A new type of gravity sensor has been developed that utilises the same fabrication methods as those used to make mobile phone accelerometers. In this study, we describe the first results of a field-portable microelectromechanical system (MEMS) gravimeter. The stability of the gravimeter is demonstrated through undertaking a multi-day measurement with a standard deviation of 5...
November 8, 2017: Sensors
https://www.readbyqxmd.com/read/29111686/centrifugation-controlled-thermal-convection-and-its-application-to-rapid-microfluidic-polymerase-chain-reaction-devices
#15
Masato Saito, Kazuya Takahashi, Yuichiro Kiriyama, Wilfred Villariza Espulgar, Hiroshi Aso, Tadanobu Sekiya, Yoshikazu Tanaka, Tsuneo Sawazumi, Satoshi Furui, Eiichi Tamiya
Here, we report the developed cyclo olefin polymer (COP) microfluidic chip on a fabricated rotating heater stage that utilizes centrifugation-assisted thermal cycle in a ring-structured microchannel for polymerase chain reaction (PCR). The PCR solution could be driven by thermal convection and continuously exchanged high/low temperatures in a ring structured microchannel without the use of typical syringe pump. More importantly, the flow rate was controlled by the relative gravitational acceleration only. The platform enables amplification within 10 min at 5G and has a detection limit of 70...
November 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29106579/a-small-amount-of-precisely-measured-high-intensity-habitual-physical-activity-predicts-bone-health-in-pre-and-post-menopausal-women-in-uk-biobank
#16
Victoria H Stiles, Brad S Metcalf, Karen M Knapp, Alex V Rowlands
Background: Physical inactivity is a highly modifiable risk factor for the development of osteoporosis but, due to a lack of research that has precisely and objectively meaured physical activity (PA) relevant to bone, the specific contribution that PA can make to bone health is poorly understood. This study examined whether a more precise measure of PA relelvant to bone was associated with meaures of bone health in pre- and post-menopausal women in UK Biobank. Methods: Time spent at intensities specific to bone health [≥750 milli-gravitational units ( mg ) and ≥1000 mg ] were analysed from raw tri-axial acceleration data averaged over 1-second epochs from 7-day monitoring of habitual PA using accelerometry-based activity monitors (100 Hz; AX3, Axivity, UK) of 1218 pre- and 1316 post-menopausal healthy women...
June 29, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29104363/towards-total-energy-shaping-control-of-lower-limb-exoskeletons
#17
Ge Lv, Robert D Gregg
Current robotic exoskeletons enforce fixed reference joint patterns during gait rehabilitation. These control methods aim to replicate normative joint kinematics but do not facilitate learning patient-specific kinematics. Trajectory-free control methods for exoskeletons are required to promote user control over joint kinematics. Our prior work on potential energy shaping provides virtual body-weight support through a trajectory-free control law, but altering only the gravitational forces does not assist the subject in accelerating/decelerating the body forward...
May 2017: Proceedings of the ... American Control Conference
https://www.readbyqxmd.com/read/29101737/is-perception-of-visual-verticality-intact-in-patients-with-idiopathic-cervical-dystonia
#18
Joke De Pauw, Willem De Hertogh, Rudy Mercelis, Wim Saeys, Ann Hallemans, Sarah Michiels, Steven Truijen, Patrick Cras
Idiopathic cervical dystonia (CD) is a focal dystonia characterized by an abnormal tilted or twisted head position. This abnormal head position could lead to a distorted perception of the visual vertical and spatial orientation. The aim of this cross-sectional study was to investigate whether the perception of the visual vertical is impaired in patients with CD. The subjective visual vertical test (SVV) was measured in 24 patients with CD and 30 controls. The SVV test is conducted in a completely darkened room...
November 3, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/29101394/interactions-between-transfemoral-amputees-and-a-powered-knee-prosthesis-during-load-carriage
#19
Andrea Brandt, Yue Wen, Ming Liu, Jonathan Stallings, He Helen Huang
Machines and humans become mechanically coupled when lower limb amputees walk with powered prostheses, but these two control systems differ in adaptability. We know little about how they interact when faced with real-world physical demands (e.g. carrying loads). Here, we investigated how each system (i.e. amputee and powered prosthesis) responds to changes in the prosthesis mechanics and gravitational load. Five transfemoral amputees walked with and without load (i.e. weighted backpack) and a powered knee prosthesis with two pre-programmed controller settings (i...
November 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29099225/gw170817-observation-of-gravitational-waves-from-a-binary-neutron-star-inspiral
#20
B P Abbott, R Abbott, T D Abbott, F Acernese, K Ackley, C Adams, T Adams, P Addesso, R X Adhikari, V B Adya, C Affeldt, M Afrough, B Agarwal, M Agathos, K Agatsuma, N Aggarwal, O D Aguiar, L Aiello, A Ain, P Ajith, B Allen, G Allen, A Allocca, P A Altin, A Amato, A Ananyeva, S B Anderson, W G Anderson, S V Angelova, S Antier, S Appert, K Arai, M C Araya, J S Areeda, N Arnaud, K G Arun, S Ascenzi, G Ashton, M Ast, S M Aston, P Astone, D V Atallah, P Aufmuth, C Aulbert, K AultONeal, C Austin, A Avila-Alvarez, S Babak, P Bacon, M K M Bader, S Bae, M Bailes, P T Baker, F Baldaccini, G Ballardin, S W Ballmer, S Banagiri, J C Barayoga, S E Barclay, B C Barish, D Barker, K Barkett, F Barone, B Barr, L Barsotti, M Barsuglia, D Barta, S D Barthelmy, J Bartlett, I Bartos, R Bassiri, A Basti, J C Batch, M Bawaj, J C Bayley, M Bazzan, B Bécsy, C Beer, M Bejger, I Belahcene, A S Bell, B K Berger, G Bergmann, S Bernuzzi, J J Bero, C P L Berry, D Bersanetti, A Bertolini, J Betzwieser, S Bhagwat, R Bhandare, I A Bilenko, G Billingsley, C R Billman, J Birch, R Birney, O Birnholtz, S Biscans, S Biscoveanu, A Bisht, M Bitossi, C Biwer, M A Bizouard, J K Blackburn, J Blackman, C D Blair, D G Blair, R M Blair, S Bloemen, O Bock, N Bode, M Boer, G Bogaert, A Bohe, F Bondu, E Bonilla, R Bonnand, B A Boom, R Bork, V Boschi, S Bose, K Bossie, Y Bouffanais, A Bozzi, C Bradaschia, P R Brady, M Branchesi, J E Brau, T Briant, A Brillet, M Brinkmann, V Brisson, P Brockill, J E Broida, A F Brooks, D A Brown, D D Brown, S Brunett, C C Buchanan, A Buikema, T Bulik, H J Bulten, A Buonanno, D Buskulic, C Buy, R L Byer, M Cabero, L Cadonati, G Cagnoli, C Cahillane, J Calderón Bustillo, T A Callister, E Calloni, J B Camp, M Canepa, P Canizares, K C Cannon, H Cao, J Cao, C D Capano, E Capocasa, F Carbognani, S Caride, M F Carney, G Carullo, J Casanueva Diaz, C Casentini, S Caudill, M Cavaglià, F Cavalier, R Cavalieri, G Cella, C B Cepeda, P Cerdá-Durán, G Cerretani, E Cesarini, S J Chamberlin, M Chan, S Chao, P Charlton, E Chase, E Chassande-Mottin, D Chatterjee, K Chatziioannou, B D Cheeseboro, H Y Chen, X Chen, Y Chen, H-P Cheng, H Chia, A Chincarini, A Chiummo, T Chmiel, H S Cho, M Cho, J H Chow, N Christensen, Q Chu, A J K Chua, S Chua, A K W Chung, S Chung, G Ciani, R Ciolfi, C E Cirelli, A Cirone, F Clara, J A Clark, P Clearwater, F Cleva, C Cocchieri, E Coccia, P-F Cohadon, D Cohen, A Colla, C G Collette, L R Cominsky, M Constancio, L Conti, S J Cooper, P Corban, T R Corbitt, I Cordero-Carrión, K R Corley, N Cornish, A Corsi, S Cortese, C A Costa, M W Coughlin, S B Coughlin, J-P Coulon, S T Countryman, P Couvares, P B Covas, E E Cowan, D M Coward, M J Cowart, D C Coyne, R Coyne, J D E Creighton, T D Creighton, J Cripe, S G Crowder, T J Cullen, A Cumming, L Cunningham, E Cuoco, T Dal Canton, G Dálya, S L Danilishin, S D'Antonio, K Danzmann, A Dasgupta, C F Da Silva Costa, V Dattilo, I Dave, M Davier, D Davis, E J Daw, B Day, S De, D DeBra, J Degallaix, M De Laurentis, S Deléglise, W Del Pozzo, N Demos, T Denker, T Dent, R De Pietri, V Dergachev, R De Rosa, R T DeRosa, C De Rossi, R DeSalvo, O de Varona, J Devenson, S Dhurandhar, M C Díaz, T Dietrich, L Di Fiore, M Di Giovanni, T Di Girolamo, A Di Lieto, S Di Pace, I Di Palma, F Di Renzo, Z Doctor, V Dolique, F Donovan, K L Dooley, S Doravari, I Dorrington, R Douglas, M Dovale Álvarez, T P Downes, M Drago, C Dreissigacker, J C Driggers, Z Du, M Ducrot, R Dudi, P Dupej, S E Dwyer, T B Edo, M C Edwards, A Effler, H-B Eggenstein, P Ehrens, J Eichholz, S S Eikenberry, R A Eisenstein, R C Essick, D Estevez, Z B Etienne, T Etzel, M Evans, T M Evans, M Factourovich, V Fafone, H Fair, S Fairhurst, X Fan, S Farinon, B Farr, W M Farr, E J Fauchon-Jones, M Favata, M Fays, C Fee, H Fehrmann, J Feicht, M M Fejer, A Fernandez-Galiana, I Ferrante, E C Ferreira, F Ferrini, F Fidecaro, D Finstad, I Fiori, D Fiorucci, M Fishbach, R P Fisher, M Fitz-Axen, R Flaminio, M Fletcher, H Fong, J A Font, P W F Forsyth, S S Forsyth, J-D Fournier, S Frasca, F Frasconi, Z Frei, A Freise, R Frey, V Frey, E M Fries, P Fritschel, V V Frolov, P Fulda, M Fyffe, H Gabbard, B U Gadre, S M Gaebel, J R Gair, L Gammaitoni, M R Ganija, S G Gaonkar, C Garcia-Quiros, F Garufi, B Gateley, S Gaudio, G Gaur, V Gayathri, N Gehrels, G Gemme, E Genin, A Gennai, D George, J George, L Gergely, V Germain, S Ghonge, Abhirup Ghosh, Archisman Ghosh, S Ghosh, J A Giaime, K D Giardina, A Giazotto, K Gill, L Glover, E Goetz, R Goetz, S Gomes, B Goncharov, G González, J M Gonzalez Castro, A Gopakumar, M L Gorodetsky, S E Gossan, M Gosselin, R Gouaty, A Grado, C Graef, M Granata, A Grant, S Gras, C Gray, G Greco, A C Green, E M Gretarsson, P Groot, H Grote, S Grunewald, P Gruning, G M Guidi, X Guo, A Gupta, M K Gupta, K E Gushwa, E K Gustafson, R Gustafson, O Halim, B R Hall, E D Hall, E Z Hamilton, G Hammond, M Haney, M M Hanke, J Hanks, C Hanna, M D Hannam, O A Hannuksela, J Hanson, T Hardwick, J Harms, G M Harry, I W Harry, M J Hart, C-J Haster, K Haughian, J Healy, A Heidmann, M C Heintze, H Heitmann, P Hello, G Hemming, M Hendry, I S Heng, J Hennig, A W Heptonstall, M Heurs, S Hild, T Hinderer, W C G Ho, D Hoak, D Hofman, K Holt, D E Holz, P Hopkins, C Horst, J Hough, E A Houston, E J Howell, A Hreibi, Y M Hu, E A Huerta, D Huet, B Hughey, S Husa, S H Huttner, T Huynh-Dinh, N Indik, R Inta, G Intini, H N Isa, J-M Isac, M Isi, B R Iyer, K Izumi, T Jacqmin, K Jani, P Jaranowski, S Jawahar, F Jiménez-Forteza, W W Johnson, N K Johnson-McDaniel, D I Jones, R Jones, R J G Jonker, L Ju, J Junker, C V Kalaghatgi, V Kalogera, B Kamai, S Kandhasamy, G Kang, J B Kanner, S J Kapadia, S Karki, K S Karvinen, M Kasprzack, W Kastaun, M Katolik, E Katsavounidis, W Katzman, S Kaufer, K Kawabe, F Kéfélian, D Keitel, A J Kemball, R Kennedy, C Kent, J S Key, F Y Khalili, I Khan, S Khan, Z Khan, E A Khazanov, N Kijbunchoo, Chunglee Kim, J C Kim, K Kim, W Kim, W S Kim, Y-M Kim, S J Kimbrell, E J King, P J King, M Kinley-Hanlon, R Kirchhoff, J S Kissel, L Kleybolte, S Klimenko, T D Knowles, P Koch, S M Koehlenbeck, S Koley, V Kondrashov, A Kontos, M Korobko, W Z Korth, I Kowalska, D B Kozak, C Krämer, V Kringel, B Krishnan, A Królak, G Kuehn, P Kumar, R Kumar, S Kumar, L Kuo, A Kutynia, S Kwang, B D Lackey, K H Lai, M Landry, R N Lang, J Lange, B Lantz, R K Lanza, S L Larson, A Lartaux-Vollard, P D Lasky, M Laxen, A Lazzarini, C Lazzaro, P Leaci, S Leavey, C H Lee, H K Lee, H M Lee, H W Lee, K Lee, J Lehmann, A Lenon, E Leon, M Leonardi, N Leroy, N Letendre, Y Levin, T G F Li, S D Linker, T B Littenberg, J Liu, X Liu, R K L Lo, N A Lockerbie, L T London, J E Lord, M Lorenzini, V Loriette, M Lormand, G Losurdo, J D Lough, C O Lousto, G Lovelace, H Lück, D Lumaca, A P Lundgren, R Lynch, Y Ma, R Macas, S Macfoy, B Machenschalk, M MacInnis, D M Macleod, I Magaña Hernandez, F Magaña-Sandoval, L Magaña Zertuche, R M Magee, E Majorana, I Maksimovic, N Man, V Mandic, V Mangano, G L Mansell, M Manske, M Mantovani, F Marchesoni, F Marion, S Márka, Z Márka, C Markakis, A S Markosyan, A Markowitz, E Maros, A Marquina, P Marsh, F Martelli, L Martellini, I W Martin, R M Martin, D V Martynov, J N Marx, K Mason, E Massera, A Masserot, T J Massinger, M Masso-Reid, S Mastrogiovanni, A Matas, F Matichard, L Matone, N Mavalvala, N Mazumder, R McCarthy, D E McClelland, S McCormick, L McCuller, S C McGuire, G McIntyre, J McIver, D J McManus, L McNeill, T McRae, S T McWilliams, D Meacher, G D Meadors, M Mehmet, J Meidam, E Mejuto-Villa, A Melatos, G Mendell, R A Mercer, E L Merilh, M Merzougui, S Meshkov, C Messenger, C Messick, R Metzdorff, P M Meyers, H Miao, C Michel, H Middleton, E E Mikhailov, L Milano, A L Miller, B B Miller, J Miller, M Millhouse, M C Milovich-Goff, O Minazzoli, Y Minenkov, J Ming, C Mishra, S Mitra, V P Mitrofanov, G Mitselmakher, R Mittleman, D Moffa, A Moggi, K Mogushi, M Mohan, S R P Mohapatra, I Molina, M Montani, C J Moore, D Moraru, G Moreno, S Morisaki, S R Morriss, B Mours, C M Mow-Lowry, G Mueller, A W Muir, Arunava Mukherjee, D Mukherjee, S Mukherjee, N Mukund, A Mullavey, J Munch, E A Muñiz, M Muratore, P G Murray, A Nagar, K Napier, I Nardecchia, L Naticchioni, R K Nayak, J Neilson, G Nelemans, T J N Nelson, M Nery, A Neunzert, L Nevin, J M Newport, G Newton, K K Y Ng, P Nguyen, T T Nguyen, D Nichols, A B Nielsen, S Nissanke, A Nitz, A Noack, F Nocera, D Nolting, C North, L K Nuttall, J Oberling, G D O'Dea, G H Ogin, J J Oh, S H Oh, F Ohme, M A Okada, M Oliver, P Oppermann, Richard J Oram, B O'Reilly, R Ormiston, L F Ortega, R O'Shaughnessy, S Ossokine, D J Ottaway, H Overmier, B J Owen, A E Pace, J Page, M A Page, A Pai, S A Pai, J R Palamos, O Palashov, C Palomba, A Pal-Singh, Howard Pan, Huang-Wei Pan, B Pang, P T H Pang, C Pankow, F Pannarale, B C Pant, F Paoletti, A Paoli, M A Papa, A Parida, W Parker, D Pascucci, A Pasqualetti, R Passaquieti, D Passuello, M Patil, B Patricelli, B L Pearlstone, M Pedraza, R Pedurand, L Pekowsky, A Pele, S Penn, C J 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On August 17, 2017 at 12∶41:04 UTC the Advanced LIGO and Advanced Virgo gravitational-wave detectors made their first observation of a binary neutron star inspiral. The signal, GW170817, was detected with a combined signal-to-noise ratio of 32.4 and a false-alarm-rate estimate of less than one per 8.0×10^{4}  years. We infer the component masses of the binary to be between 0.86 and 2.26  M_{⊙}, in agreement with masses of known neutron stars. Restricting the component spins to the range inferred in binary neutron stars, we find the component masses to be in the range 1...
October 20, 2017: Physical Review Letters
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