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SEARCH FOR GAMMA-RAY EMISSION FROM AE AQUARII WITH SEVEN YEARS OF FERMI LAT OBSERVATIONS
Li, Jian1; Torres, Diego F.1,2; Rea, Nanda1,3; Wilhelmi, Emma De Ona1; Papitto, Alessandro4; Hou X(侯贤)5; Mauche, Christopher W.6; Li, J (reprint author), Inst Space Sci IEEC CSIC, Campus UAB,Carrer Magrans S-N, E-08193 Barcelona, Spain
发表期刊ASTROPHYSICAL JOURNAL
2016-11-20
卷号832期号:1
DOI10.3847/0004-637X/832/1/35
产权排序第5完成单位
收录类别SCI
关键词Gamma. Rays: Stars X-rays: Individual (Ae Aquarii) Novae Cataclysmic Variables
摘要AE Aquarii (AE Aqr) is a cataclysmic binary hosting one of the fastest rotating (P-spin = 33.08 s) white dwarfs (WDs) known. Based on seven years of Fermi Large Area Telescope (LAT) Pass 8 data, we report on a deep search for gamma-ray emission from AE Aqr. Using X-ray observations from ASCA, XMM-Newton, Chandra, Swift, Suzaku, and NuSTAR, spanning 20 years, we substantially extend and improve the spin ephemeris of AE Aqr. Using this ephemeris, we searched for gamma-ray pulsations at the spin period of the WD. No gamma-ray pulsations were detected above 3 sigma significance. Neither phase-averaged gamma-ray emission nor gamma-ray variability of AE Aqr is detected by Fermi LAT. We impose the most restrictive upper limit to the gamma-ray flux from AE Aqr to date: 1.3 x 10(-12) erg cm(-2) s(-1) in the 100 MeV-300 GeV energy range, providing constraints on models.
项目资助者NASA ; DOE in the United States ; CEA/Irfu ; IN2P3/CNRS in France ; ASI ; INFN in Italy ; MEXT ; KEK ; JAXA in Japan ; K. A. Wallenberg Foundation ; Swedish Research Council ; National Space Board in Sweden ; INAF in Italy ; CNES in France ; National Natural Science Foundation of China(NSFC-11473027, NSFC-11503078, NSFC-11133002, NSFC-11103020) ; XTP project(XDA 04060604) ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; NWO Vidi Award ; EU Marie Sklodowska-Curie Individual Fellowship(660657-TMSP-H2020-MSCA-IF-2014) ; US Department of Energy by Lawrence Livermore National Laboratory(DE-AC52-07NA27344) ; (AYA2015-71042-P) ; (SGR 2014-1073)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000388603600017
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]MAGNETIZED WHITE-DWARF ; CATACLYSMIC VARIABLES ; CIRCULAR-POLARIZATION ; MILLISECOND PULSAR ; XSS J12270-4859 ; PSR J1023+0038 ; BINARY ; PROPELLER ; AQR ; PULSATIONS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9783
专题高能天体物理研究组
中国科学院天体结构与演化重点实验室
通讯作者Li, J (reprint author), Inst Space Sci IEEC CSIC, Campus UAB,Carrer Magrans S-N, E-08193 Barcelona, Spain
作者单位1.Institute of Space Sciences (IEEC-CSIC), Campus UAB, Carrer de Magrans s/n, E-08193 Barcelona, Spain
2.Institució Catalana de Recerca i Estudis Avançats (ICREA), E-08010 Barcelona, Spain
3.Anton Pannekoek Institute, University of Amsterdam, Postbus 94249, NL-1090-GE Amsterdam, The Netherlands
4.INAF-Osservatorio Astronomico di Roma, via di Frascati 33, I-00040 Monte Porzio Catone, Roma, Italy
5.Key Laboratory for the Structure and Evolution of Celestial Objects, Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China
6.Lawrence Livermore National Laboratory, L-473, 7000 East Avenue, Livermore, CA 94550, USA
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Li, Jian,Torres, Diego F.,Rea, Nanda,et al. SEARCH FOR GAMMA-RAY EMISSION FROM AE AQUARII WITH SEVEN YEARS OF FERMI LAT OBSERVATIONS[J]. ASTROPHYSICAL JOURNAL,2016,832(1).
APA Li, Jian.,Torres, Diego F..,Rea, Nanda.,Wilhelmi, Emma De Ona.,Papitto, Alessandro.,...&Li, J .(2016).SEARCH FOR GAMMA-RAY EMISSION FROM AE AQUARII WITH SEVEN YEARS OF FERMI LAT OBSERVATIONS.ASTROPHYSICAL JOURNAL,832(1).
MLA Li, Jian,et al."SEARCH FOR GAMMA-RAY EMISSION FROM AE AQUARII WITH SEVEN YEARS OF FERMI LAT OBSERVATIONS".ASTROPHYSICAL JOURNAL 832.1(2016).
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