Abbott, B. P. and Abbott, R. and Abernathy, M. R. and Adhikari, R. X. and Anderson, S. B. and Arai, K. and Araya, M. C. and Barayoga, J. C. and Barish, B. C. and Berger, B. K. and Billingsley, G. and Blackburn, J. K. and Bork, R. and Brooks, A. F. and Cahillane, C. and Callister, T. and Cepeda, C. B. and Chakraborty, R. and Chalermsongsak, T. and Couvares, P. and Coyne, D. C. and Dergachev, V. and Drever, R. W. P. and Ehrens, P. and Etzel, T. and Gossan, S. E. and Gushwa, K. E. and Gustafson, E. K. and Hall, E. D. and Heptonstall, A. W. and Hodge, K. A. and Isi, M. and Kanner, J. B. and Kells, W. and Kondrashov, V. and Korth, W. Z. and Kozak, D. B. and Lazzarini, A. and Li, T. G. F. and Mageswaran, M. and Maros, E. and Martynov, D. V. and Marx, J. N. and McIntyre, G. and McIver, J. and Meshkov, S. and Pedraza, M. and Perreca, A. and Price, L. R. and Quintero, E. A. and Reitze, D. H. and Robertson, N. A. and Rollins, J. G. and Sachdev, S. and Sanchez, E. J. and Schmidt, P. and Shao, Z. and Singer, A. and Smith, N. D. and Smith, R. J. E. and Taylor, R. and Thirugnanasambandam, M. P. and Torrie, C. I. and Vajente, G. and Vass, S. and Wallace, L. and Weinstein, A. J. and Williams, R. D. and Wipf, C. C. and Yamamoto, H. and Zhang, L. and Zucker, M. E. and Zweizig, J. and Chen, Y. and Engels, W. and Thorne, K. S. and Ott, C. D. (2016) Observing gravitational-wave transient GW150914 with minimal assumptions. Physical Review D, 93 (12). Art. No. 122004. ISSN 2470-0010. doi:10.1103/PhysRevD.93.122004. https://resolver.caltech.edu/CaltechAUTHORS:20160609-132951028
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Abstract
The gravitational-wave signal GW150914 was first identified on September 14, 2015, by searches for short-duration gravitational-wave transients. These searches identify time-correlated transients in multiple detectors with minimal assumptions about the signal morphology, allowing them to be sensitive to gravitational waves emitted by a wide range of sources including binary black hole mergers. Over the observational period from September 12 to October 20, 2015, these transient searches were sensitive to binary black hole mergers similar to GW150914 to an average distance of ∼600 Mpc. In this paper, we describe the analyses that first detected GW150914 as well as the parameter estimation and waveform reconstruction techniques that initially identified GW150914 as the merger of two black holes. We find that the reconstructed waveform is consistent with the signal from a binary black hole merger with a chirp mass of ∼30 M_⊙ and a total mass before merger of ∼70 M_⊙ in the detector frame.
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| Additional Information: | © 2016 American Physical Society. Received 25 February 2016; published 7 June 2016. The authors gratefully acknowledge the support of the United States National Science Foundation (NSF) for the construction and operation of the LIGO Laboratory and Advanced LIGO as well as the Science and Technology Facilities Council (STFC) of the United Kingdom, the Max-Planck-Society (MPS), and the State of Niedersachsen/Germany for support of the construction of Advanced LIGO and construction and operation of the GEO 600 detector. Additional support for Advanced LIGO was provided by the Australian Research Council. The authors gratefully acknowledge the Italian Istituto Nazionale di Fisica Nucleare (INFN), the French Centre National de la Recherche Scientifique (CNRS) and the Foundation for Fundamental Research on Matter supported by the Netherlands Organisation for Scientific Research, for the construction and operation of the Virgo detector and the creation and support of the EGO consortium. The authors also gratefully acknowledge research support from these agencies as well as by the Council of Scientific and Industrial Research of India, Department of Science and Technology, India; Science & Engineering Research Board (SERB), India; Ministry of Human Resource Development, India; the Spanish Ministerio de Economía y Competitividad; the Conselleria d’Economia i Competitivitat and Conselleria d’Educació; Cultura i Universitats of the Govern de les Illes Balears; the National Science Centre of Poland; the European Commission; the Royal Society; the Scottish Funding Council; the Scottish Universities Physics Alliance; the Hungarian Scientific Research Fund (OTKA); the Lyon Institute of Origins (LIO); the National Research Foundation of Korea; Industry Canada and the Province of Ontario through the Ministry of Economic Development and Innovation; the National Science and Engineering Research Council Canada; Canadian Institute for Advanced Research; the Brazilian Ministry of Science, Technology, and Innovation; Russian Foundation for Basic Research; the Leverhulme Trust; the Research Corporation; Ministry of Science and Technology (MOST), Taiwan; and the Kavli Foundation. The authors gratefully acknowledge the support of the NSF, STFC, MPS, INFN, CNRS and the State of Niedersachsen/Germany for provision of computational resources. This article has been assigned the document number LIGO-P1500229. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Errata: | Publisher’s Note: Observing gravitational-wave transient GW150914 with minimal assumptions [Phys. Rev. D 93, 122004 (2016)] DOI: 10.1103/PhysRevD.94.069903 This paper was published online on 7 June 2016 with an omission of an author name. C. D. Ott with affiliation 76Caltech CaRT, Pasadena, California 91125, USA has been added as of 20 September 2016. The author list is incorrect in the printed version of the journal. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Issue or Number: | 12 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DOI: | 10.1103/PhysRevD.93.122004 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20160609-132951028 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160609-132951028 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Official Citation: | Observing gravitational-wave transient GW150914 with minimal assumptions B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration) Phys. Rev. D 93, 122004 (2016) – Published 7 June 2016 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ID Code: | 67800 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deposited By: | Ruth Sustaita | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deposited On: | 10 Jun 2016 15:55 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Last Modified: | 01 Jun 2023 23:27 |
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