THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914
A transient gravitational-wave signal, GW150914, was identified in the twin Advanced LIGO detectors on 2015 September 2015 at 09:50:45 UTC. To assess the implications of this discovery, the detectors remained in operation with unchanged configurations over a period of 39 days around the time of the...
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American Astronomical Society
2018
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| Online Access: | http://hdl.handle.net/1721.1/114238 https://orcid.org/0000-0002-0026-3877 https://orcid.org/0000-0002-9635-7527 https://orcid.org/0000-0001-9409-5757 https://orcid.org/0000-0001-8196-9267 https://orcid.org/0000-0001-8459-4499 https://orcid.org/0000-0003-1983-3187 https://orcid.org/0000-0001-8150-7062 https://orcid.org/0000-0001-6550-3045 https://orcid.org/0000-0002-1347-0680 https://orcid.org/0000-0003-2047-3166 https://orcid.org/0000-0002-5163-683X https://orcid.org/0000-0003-0219-9706 https://orcid.org/0000-0003-2815-7387 https://orcid.org/0000-0002-4147-2560 https://orcid.org/0000-0003-1510-4921 https://orcid.org/0000-0003-2700-0767 https://orcid.org/0000-0002-2544-1596 |
| _version_ | 1826192073970155520 |
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| author | LIGO Collaboration Virgo Collaboration Aggarwal, Nancy Barsotti, Lisa Biscans, Sebastien Bodiya, Timothy P. Brown, N. M. Buikema, Aaron Donovan, Frederick J Essick, Reed Clasey Evans, Matthew J Fritschel, Peter K Gras, Slawomir Isogai, Tomoki Katsavounidis, Erotokritos Kontos, Antonios Libson, Adam A. Lynch, Ryan Christopher MacInnis, Myron E Mason, Kenneth R Matichard, Fabrice Mavalvala, Nergis Miller, John Mittleman, Richard K Ray Pitambar Mohapatra, Satyanarayan Oelker, Eric Glenn Shoemaker, David H Tse, Maggie Vaulin, Ruslan Vitale, Salvatore Weiss, Rainer Kuwayama, Hajime Yu, H. Zucker, Michael E |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics LIGO Collaboration Virgo Collaboration Aggarwal, Nancy Barsotti, Lisa Biscans, Sebastien Bodiya, Timothy P. Brown, N. M. Buikema, Aaron Donovan, Frederick J Essick, Reed Clasey Evans, Matthew J Fritschel, Peter K Gras, Slawomir Isogai, Tomoki Katsavounidis, Erotokritos Kontos, Antonios Libson, Adam A. Lynch, Ryan Christopher MacInnis, Myron E Mason, Kenneth R Matichard, Fabrice Mavalvala, Nergis Miller, John Mittleman, Richard K Ray Pitambar Mohapatra, Satyanarayan Oelker, Eric Glenn Shoemaker, David H Tse, Maggie Vaulin, Ruslan Vitale, Salvatore Weiss, Rainer Kuwayama, Hajime Yu, H. Zucker, Michael E |
| author_sort | LIGO Collaboration |
| collection | MIT |
| description | A transient gravitational-wave signal, GW150914, was identified in the twin Advanced LIGO detectors on 2015 September 2015 at 09:50:45 UTC. To assess the implications of this discovery, the detectors remained in operation with unchanged configurations over a period of 39 days around the time of the signal. At the detection statistic threshold corresponding to that observed for GW150914, our search of the 16 days of simultaneous two-detector observational data is estimated to have a false-alarm rate (FAR) of < 4.9 times 10[superscript -6] yr[superscript -1], yielding a p-value for GW150914 of < 2 times 10[superscript -7]. Parameter estimation follow-up on this trigger identifies its source as a binary black hole (BBH) merger with component masses m [subscript 1], m[subscript 2)=(36} [subscript -4][superscript +5],29 [subscript -4][superscript +4]), M[subscript ⊙] at redshift z= 0.09 [subscript -0.04][superscript 0.03] (median and 90% credible range). Here, we report on the constraints these observations place on the rate of BBH coalescences. Considering only GW150914, assuming that all BBHs in the universe have the same masses and spins as this event, imposing a search FAR threshold of 1 per 100 years, and assuming that the BBH merger rate is constant in the comoving frame, we infer a 90% credible range of merger rates between 2 - 53, Gpc[superscript -3], yr[superscript -1] (comoving frame). Incorporating all search triggers that pass a much lower threshold while accounting for the uncertainty in the astrophysical origin of each trigger, we estimate a higher rate, ranging from 13 - 600,Gpc [superscript -3], yr[superscript -1] depending on assumptions about the BBH mass distribution. All together, our various rate estimates fall in the conservative range 2 - 600, Gpc [superscript -3], yr[superscript -1]. |
| first_indexed | 2024-09-23T09:05:52Z |
| format | Article |
| id | mit-1721.1/114238 |
| institution | Massachusetts Institute of Technology |
| last_indexed | 2024-09-23T09:05:52Z |
| publishDate | 2018 |
| publisher | American Astronomical Society |
| record_format | dspace |
| spelling | mit-1721.1/1142382022-09-26T10:27:02Z THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914 LIGO Collaboration Virgo Collaboration Aggarwal, Nancy Barsotti, Lisa Biscans, Sebastien Bodiya, Timothy P. Brown, N. M. Buikema, Aaron Donovan, Frederick J Essick, Reed Clasey Evans, Matthew J Fritschel, Peter K Gras, Slawomir Isogai, Tomoki Katsavounidis, Erotokritos Kontos, Antonios Libson, Adam A. Lynch, Ryan Christopher MacInnis, Myron E Mason, Kenneth R Matichard, Fabrice Mavalvala, Nergis Miller, John Mittleman, Richard K Ray Pitambar Mohapatra, Satyanarayan Oelker, Eric Glenn Shoemaker, David H Tse, Maggie Vaulin, Ruslan Vitale, Salvatore Weiss, Rainer Kuwayama, Hajime Yu, H. Zucker, Michael E Massachusetts Institute of Technology. Department of Physics LIGO (Observatory : Massachusetts Institute of Technology) MIT Kavli Institute for Astrophysics and Space Research Aggarwal, Nancy Barsotti, Lisa Biscans, Sebastien Bodiya, Timothy P. Brown, N. M. Buikema, Aaron Donovan, Frederick J Essick, Reed Clasey Evans, Matthew J Fritschel, Peter K Gras, Slawomir Isogai, Tomoki Katsavounidis, Erotokritos Kontos, Antonios Libson, Adam A. Lynch, Ryan Christopher MacInnis, Myron E Mason, Kenneth R Matichard, Fabrice Mavalvala, Nergis Miller, John Mittleman, Richard K Ray Pitambar Mohapatra, Satyanarayan Oelker, Eric Glenn Shoemaker, David H Tse, Maggie Vaulin, Ruslan Vitale, Salvatore Weiss, Rainer Kuwayama, Hajime Yu, H. Zucker, Michael E A transient gravitational-wave signal, GW150914, was identified in the twin Advanced LIGO detectors on 2015 September 2015 at 09:50:45 UTC. To assess the implications of this discovery, the detectors remained in operation with unchanged configurations over a period of 39 days around the time of the signal. At the detection statistic threshold corresponding to that observed for GW150914, our search of the 16 days of simultaneous two-detector observational data is estimated to have a false-alarm rate (FAR) of < 4.9 times 10[superscript -6] yr[superscript -1], yielding a p-value for GW150914 of < 2 times 10[superscript -7]. Parameter estimation follow-up on this trigger identifies its source as a binary black hole (BBH) merger with component masses m [subscript 1], m[subscript 2)=(36} [subscript -4][superscript +5],29 [subscript -4][superscript +4]), M[subscript ⊙] at redshift z= 0.09 [subscript -0.04][superscript 0.03] (median and 90% credible range). Here, we report on the constraints these observations place on the rate of BBH coalescences. Considering only GW150914, assuming that all BBHs in the universe have the same masses and spins as this event, imposing a search FAR threshold of 1 per 100 years, and assuming that the BBH merger rate is constant in the comoving frame, we infer a 90% credible range of merger rates between 2 - 53, Gpc[superscript -3], yr[superscript -1] (comoving frame). Incorporating all search triggers that pass a much lower threshold while accounting for the uncertainty in the astrophysical origin of each trigger, we estimate a higher rate, ranging from 13 - 600,Gpc [superscript -3], yr[superscript -1] depending on assumptions about the BBH mass distribution. All together, our various rate estimates fall in the conservative range 2 - 600, Gpc [superscript -3], yr[superscript -1]. 2018-03-20T18:43:04Z 2018-03-20T18:43:04Z 2016-11 2016-02 2018-02-16T16:06:48Z Article http://purl.org/eprint/type/JournalArticle 2041-8213 2041-8205 http://hdl.handle.net/1721.1/114238 Abbott, B. P. et al. “THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914.” The Astrophysical Journal 833, 1 (November 2016): L1 © 2016 American Astronomical Society https://orcid.org/0000-0002-0026-3877 https://orcid.org/0000-0002-9635-7527 https://orcid.org/0000-0001-9409-5757 https://orcid.org/0000-0001-8196-9267 https://orcid.org/0000-0001-8459-4499 https://orcid.org/0000-0003-1983-3187 https://orcid.org/0000-0001-8150-7062 https://orcid.org/0000-0001-6550-3045 https://orcid.org/0000-0002-1347-0680 https://orcid.org/0000-0003-2047-3166 https://orcid.org/0000-0002-5163-683X https://orcid.org/0000-0003-0219-9706 https://orcid.org/0000-0003-2815-7387 https://orcid.org/0000-0002-4147-2560 https://orcid.org/0000-0003-1510-4921 https://orcid.org/0000-0003-2700-0767 https://orcid.org/0000-0002-2544-1596 http://dx.doi.org/10.3847/2041-8205/833/1/L1 Astrophysical Journal. Letters Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Astronomical Society |
| spellingShingle | LIGO Collaboration Virgo Collaboration Aggarwal, Nancy Barsotti, Lisa Biscans, Sebastien Bodiya, Timothy P. Brown, N. M. Buikema, Aaron Donovan, Frederick J Essick, Reed Clasey Evans, Matthew J Fritschel, Peter K Gras, Slawomir Isogai, Tomoki Katsavounidis, Erotokritos Kontos, Antonios Libson, Adam A. Lynch, Ryan Christopher MacInnis, Myron E Mason, Kenneth R Matichard, Fabrice Mavalvala, Nergis Miller, John Mittleman, Richard K Ray Pitambar Mohapatra, Satyanarayan Oelker, Eric Glenn Shoemaker, David H Tse, Maggie Vaulin, Ruslan Vitale, Salvatore Weiss, Rainer Kuwayama, Hajime Yu, H. Zucker, Michael E THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914 |
| title | THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914 |
| title_full | THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914 |
| title_fullStr | THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914 |
| title_full_unstemmed | THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914 |
| title_short | THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914 |
| title_sort | rate of binary black hole mergers inferred from advanced ligo observations surrounding gw150914 |
| url | http://hdl.handle.net/1721.1/114238 https://orcid.org/0000-0002-0026-3877 https://orcid.org/0000-0002-9635-7527 https://orcid.org/0000-0001-9409-5757 https://orcid.org/0000-0001-8196-9267 https://orcid.org/0000-0001-8459-4499 https://orcid.org/0000-0003-1983-3187 https://orcid.org/0000-0001-8150-7062 https://orcid.org/0000-0001-6550-3045 https://orcid.org/0000-0002-1347-0680 https://orcid.org/0000-0003-2047-3166 https://orcid.org/0000-0002-5163-683X https://orcid.org/0000-0003-0219-9706 https://orcid.org/0000-0003-2815-7387 https://orcid.org/0000-0002-4147-2560 https://orcid.org/0000-0003-1510-4921 https://orcid.org/0000-0003-2700-0767 https://orcid.org/0000-0002-2544-1596 |
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