An explanation for 13 consecutive day activities of Mrk 421

来源 :天文和天体物理学研究:英文版 | 被引量 : 0次 | 上传用户：steve0309

【摘要】

：

It is surprising to find an instance of migration in the peak positions of synchrotron spectral energy distribution components during the activity epochs of Mar

【作者】

：

Yong-Gang Zheng Chu-Yuan Yang

【机构】

：

YunnanObservatories,DepartmentofPhysics,ShandongProvincialKeyLaboratoryofOpticalAstronomyandSolar-Te

【出处】

：

天文和天体物理学研究:英文版

【发表日期】

：

2021年1期

【关键词】

：

radiation mechanisms:non-thermal BL Lacertae objects:individual:(Mrk 421) accele

【基金项目】

：

the National Natural Science Foundation of China(Grant Nos.11673060,11763005,11873043 and 11991051),the Specialized Research Fund for Shandong Provincial Key Laboratory(Grant No.KLWH201804),the Resear

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

It is surprising to find an instance of migration in the peak positions of synchrotron spectral energy distribution components during the activity epochs of Markarian 421(Mrk 421),accompanying an orphan flare at the X-ray and GeV-TeVγ-ray bands.A geometri

其他文献

Photometric and spectroscopic study of flares on Ross 15

We conducted photometric and spectroscopic observations of Ross 15 in order to further study the flare properties of this less observed flare star.A total of 28

期刊

stars:flarestars:activitystars:late-type

The composite X-ray spectra of radio-loud and radio-quiet SDSS quasars

We present a study of the X-ray emission for a sample of radio-detected quasars constructed from the cross-matches between SDSS,FIRST catalogs and XMM-Newton ar

期刊

methods:statisticalcatalogsquasars:generalX-rays:general

农产品检测实验室内部质量管理策略探讨

近年来,随着经济与社会的快速发展,民众对农产品安全和质量的关注程度不断提升,农产品检测实验室受到更高程度的重视。基于此,简单分析农产品检测实验室内部质量管理问题,并

期刊

农产品检测实验室内部管理5S管理

A hybrid Fast Multipole Method for cosmological N-body simulations

We investigate a hybrid numerical algorithm aimed at large-scale cosmological N-body simulation for on-going and future high precision sky surveys.It makes use

期刊

methods:numericalcosmology:theorylarge-scalestructureofuniverse

Research on the readout noise suppression method for digital correlated double sampling

As the areas of CCD detectors and CCD mosaics have become larger and larger,the number of readout channels in astronomical cameras has increased accordingly to

期刊

instrumentation:detectorsmethods:analyticalmethods:numerical

Searching for AGN and pulsar candidates in 4FGL unassociated sources using machine learning

In the fourth Fermi Large Area Telescope source catalog(4 FGL),5064γ-ray sources are reported,including 3207 active galactic nuclei(AGNs),239 pulsars,1336 unas

期刊

gammarays:galaxiesgalaxies:activemethods:statistical

基层农业技术推广与应用的现状及对策探讨

近年来,伴随着农业经济的不断发展,农产品产量也不断增加,农业发展不仅关注数量,而且关注质量,希望实现双重效益。同时,农业生产发展方向得以转变,农业技术应用、推广、创新

期刊

农业技术基层推广现状对策

新形势下农业技术推广工作探析

科学技术是第一生产力,农业生产中只有不断加强有关科学技术的有效推广,才能将最新、最全的现代化科技成果转变成农业中的真实生产力。现阶段,农业技术推广方面仍存在一些问

期刊

新形势:农业农村技术推广策略

Time-dependent diffusive interactions between dark matter and dark energy in the context of k-essenc

We investigated the scenario of time-dependent diffusive interaction between dark matter and dark energy and showed that such a model can be accommodated within

期刊

DarkEnergyDarkMatterK-ESSENCE

脱贫攻坚视域下县域土地政策的实践与思考

重庆市三峡库区山地丘陵地形地貌特点突出,是中国连片贫困地区之一,山区贫困村的扶贫工作面临着巨大困难。基于重庆市脱贫攻坚县域视角,以既有土地政策、法律规范为基础,系统

期刊

脱贫攻坚土地政策重庆市

An explanation for 13 consecutive day activities of Mrk 421

与本文相关的学术论文