摘要
Over a dozen millisecond pulsars are ablating low-mass companions in close binary systems. In the original ‘black widow’, the eight-hour orbital period eclipsing pulsar PSR J1959+2048 (PSR B1957+20)1, high-energy emission originating from the pulsar2 is irradiating and may eventually destroy3 a low-mass companion. These systems are not only physical laboratories that reveal the interesting results of exposing a close companion star to the relativistic energy output of a pulsar, but are also believed to harbour some of the most massive neutron stars4, allowing for robust tests of the neutron star equation of state. Here we report observations of ZTF J1406+1222, a wide hierarchical triple hosting a 62-minute orbital period black widow candidate, the optical flux of which varies by a factor of more than ten. ZTF J1406+1222 pushes the boundaries of evolutionary models5, falling below the 80-minute minimum orbital period of hydrogen-rich systems. The wide tertiary companion is a rare low-metallicity cool subdwarf star, and the system has a Galactic halo orbit consistent with passing near the Galactic Centre, making it a probe of formation channels, neutron star kick physics6 and binary evolution.
| 原文 | English |
|---|---|
| 頁（從 - 到） | 41-45 |
| 頁數 | 5 |
| 期刊 | Nature |
| 卷 | 605 |
| 發行號 | 7908 |
| DOIs | |
| 出版狀態 | Published - 2022 5月 5 |
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於: Nature, 卷 605, 編號 7908, 05.05.2022, p. 41-45.
研究成果: Article › 同行評審
TY - JOUR
T1 - A 62-minute orbital period black widow binary in a wide hierarchical triple
AU - Burdge, Kevin B.
AU - Marsh, Thomas R.
AU - Fuller, Jim
AU - Bellm, Eric C.
AU - Caiazzo, Ilaria
AU - Chakrabarty, Deepto
AU - Coughlin, Michael W.
AU - De, Kishalay
AU - Dhillon, V. S.
AU - Graham, Matthew J.
AU - Rodríguez-Gil, Pablo
AU - Jaodand, Amruta D.
AU - Kaplan, David L.
AU - Kara, Erin
AU - Kong, Albert K.H.
AU - Kulkarni, S. R.
AU - Li, Kwan Lok
AU - Littlefair, S. P.
AU - Majid, Walid A.
AU - Mróz, Przemek
AU - Pearlman, Aaron B.
AU - Phinney, E. S.
AU - Roestel, Jan van
AU - Simcoe, Robert A.
AU - Andreoni, Igor
AU - Drake, Andrew J.
AU - Dekany, Richard G.
AU - Duev, Dmitry A.
AU - Kool, Erik C.
AU - Mahabal, Ashish A.
AU - Medford, Michael S.
AU - Riddle, Reed
AU - Prince, Thomas A.
N1 - Funding Information: K.B.B. is a Pappalardo Postdoctoral Fellow in Physics at MIT and thanks the Pappalardo fellowship programme for supporting his research. T.R.M. was supported by a Leverhulme Research Fellowship and STFC grant ST/T000406/1. I.C. is a Sherman Fairchild Fellow at Caltech and thanks the Burke Institute at Caltech for supporting her research. M.W.C. acknowledges support from the National Science Foundation with grant number PHY-2010970. A.B.P. is a McGill Space Institute (MSI) Fellow and a Fonds de Recherche du Quebec – Nature et Technologies (FRQNT) postdoctoral fellow. The design and construction of HiPERCAM was funded by the European Research Council under the European Union’s Seventh Framework Programme (FP/2007-2013) under ERC-2013-ADG grant agreement no. 340040 (HiPERCAM). V.S.D. and HiPERCAM operations are supported by STFC grant ST/V000853/1. E.C.K. acknowledges support from the G.R.E.A.T. research environment funded by Vetenskapsrådet, the Swedish Research Council, under project number 2016-06012, and support from The Wenner-Gren Foundations. J.F. and E.S.P. acknowledge support from the Gordon and Betty Moore Foundation through grant GBMF5076 to E.S.P. E.C.B. acknowledges support from the NSF AAG grant 1812779 and grant #2018-0908 from the Heising-Simons Foundation. K.-L.L. is supported by the Ministry of Science and Technology of the Republic of China (Taiwan) through grant 110-2636-M-006-013, and he is a Yushan (Young) Scholar of the Ministry of Education of the Republic of China (Taiwan). This work is based on observations obtained with the Samuel Oschin Telescope 48-inch and the 60-inch Telescope at the Palomar Observatory as part of the Zwicky Transient Facility (ZTF) project. ZTF is supported by the National Science Foundation under grant no. AST-1440341 and a collaboration including Caltech, IPAC, the Weizmann Institute for Science, the Oskar Klein Center at Stockholm University, the University of Maryland, the University of Washington, Deutsches Elektronen-Synchrotron and Humboldt University, Los Alamos National Laboratories, the TANGO Consortium of Taiwan, the University of Wisconsin at Milwaukee and Lawrence Berkeley National Laboratories. Operations are conducted by Caltech Optical Observatories, IPAC and University of Washington. Some of the data presented herein were obtained at the W. M. Keck Observatory, which is operated as a scientific partnership among the California Institute of Technology, the University of California and the National Aeronautics and Space Administration (NASA). The Observatory was made possible by the generous financial support of the W. M. Keck Foundation. We wish to recognize and acknowledge the very significant cultural role and reverence that the summit of Mauna Kea has always had within the Indigenous Hawaiian community. We are most fortunate to have the opportunity to conduct observations from this mountain. Funding Information: K.B.B. is a Pappalardo Postdoctoral Fellow in Physics at MIT and thanks the Pappalardo fellowship programme for supporting his research. T.R.M. was supported by a Leverhulme Research Fellowship and STFC grant ST/T000406/1. I.C. is a Sherman Fairchild Fellow at Caltech and thanks the Burke Institute at Caltech for supporting her research. M.W.C. acknowledges support from the National Science Foundation with grant number PHY-2010970. A.B.P. is a McGill Space Institute (MSI) Fellow and a Fonds de Recherche du Quebec – Nature et Technologies (FRQNT) postdoctoral fellow. The design and construction of HiPERCAM was funded by the European Research Council under the European Union’s Seventh Framework Programme (FP/2007-2013) under ERC-2013-ADG grant agreement no. 340040 (HiPERCAM). V.S.D. and HiPERCAM operations are supported by STFC grant ST/V000853/1. E.C.K. acknowledges support from the G.R.E.A.T. research environment funded by Vetenskapsrådet, the Swedish Research Council, under project number 2016-06012, and support from The Wenner-Gren Foundations. J.F. and E.S.P. acknowledge support from the Gordon and Betty Moore Foundation through grant GBMF5076 to E.S.P. E.C.B. acknowledges support from the NSF AAG grant 1812779 and grant #2018-0908 from the Heising-Simons Foundation. K.-L.L. is supported by the Ministry of Science and Technology of the Republic of China (Taiwan) through grant 110-2636-M-006-013, and he is a Yushan (Young) Scholar of the Ministry of Education of the Republic of China (Taiwan). This work is based on observations obtained with the Samuel Oschin Telescope 48-inch and the 60-inch Telescope at the Palomar Observatory as part of the Zwicky Transient Facility (ZTF) project. ZTF is supported by the National Science Foundation under grant no. AST-1440341 and a collaboration including Caltech, IPAC, the Weizmann Institute for Science, the Oskar Klein Center at Stockholm University, the University of Maryland, the University of Washington, Deutsches Elektronen-Synchrotron and Humboldt University, Los Alamos National Laboratories, the TANGO Consortium of Taiwan, the University of Wisconsin at Milwaukee and Lawrence Berkeley National Laboratories. Operations are conducted by Caltech Optical Observatories, IPAC and University of Washington. Some of the data presented herein were obtained at the W. M. Keck Observatory, which is operated as a scientific partnership among the California Institute of Technology, the University of California and the National Aeronautics and Space Administration (NASA). The Observatory was made possible by the generous financial support of the W. M. Keck Foundation. We wish to recognize and acknowledge the very significant cultural role and reverence that the summit of Mauna Kea has always had within the Indigenous Hawaiian community. We are most fortunate to have the opportunity to conduct observations from this mountain. Publisher Copyright: © 2022, The Author(s), under exclusive licence to Springer Nature Limited.
PY - 2022/5/5
Y1 - 2022/5/5
N2 - Over a dozen millisecond pulsars are ablating low-mass companions in close binary systems. In the original ‘black widow’, the eight-hour orbital period eclipsing pulsar PSR J1959+2048 (PSR B1957+20)1, high-energy emission originating from the pulsar2 is irradiating and may eventually destroy3 a low-mass companion. These systems are not only physical laboratories that reveal the interesting results of exposing a close companion star to the relativistic energy output of a pulsar, but are also believed to harbour some of the most massive neutron stars4, allowing for robust tests of the neutron star equation of state. Here we report observations of ZTF J1406+1222, a wide hierarchical triple hosting a 62-minute orbital period black widow candidate, the optical flux of which varies by a factor of more than ten. ZTF J1406+1222 pushes the boundaries of evolutionary models5, falling below the 80-minute minimum orbital period of hydrogen-rich systems. The wide tertiary companion is a rare low-metallicity cool subdwarf star, and the system has a Galactic halo orbit consistent with passing near the Galactic Centre, making it a probe of formation channels, neutron star kick physics6 and binary evolution.
AB - Over a dozen millisecond pulsars are ablating low-mass companions in close binary systems. In the original ‘black widow’, the eight-hour orbital period eclipsing pulsar PSR J1959+2048 (PSR B1957+20)1, high-energy emission originating from the pulsar2 is irradiating and may eventually destroy3 a low-mass companion. These systems are not only physical laboratories that reveal the interesting results of exposing a close companion star to the relativistic energy output of a pulsar, but are also believed to harbour some of the most massive neutron stars4, allowing for robust tests of the neutron star equation of state. Here we report observations of ZTF J1406+1222, a wide hierarchical triple hosting a 62-minute orbital period black widow candidate, the optical flux of which varies by a factor of more than ten. ZTF J1406+1222 pushes the boundaries of evolutionary models5, falling below the 80-minute minimum orbital period of hydrogen-rich systems. The wide tertiary companion is a rare low-metallicity cool subdwarf star, and the system has a Galactic halo orbit consistent with passing near the Galactic Centre, making it a probe of formation channels, neutron star kick physics6 and binary evolution.
UR - http://www.scopus.com/inward/record.url?scp=85129391395&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85129391395&partnerID=8YFLogxK
U2 - 10.1038/s41586-022-04551-1
DO - 10.1038/s41586-022-04551-1
M3 - Article
C2 - 35508781
AN - SCOPUS:85129391395
SN - 0028-0836
VL - 605
SP - 41
EP - 45
JO - Nature
JF - Nature
IS - 7908
ER -