Photopolarimetric Monitoring of the Blazar BL Lac in the Optical and Near-Infrared Bands: Decay of the Long-Lived Component

Sakimoto Kiyoshi; Uemura Makoto; Sasada Mahito; Kawabata Koji S.; Fukazawa Yasushi; Yamanaka Masayuki; Itoh Ryosuke; Ohsugi Takashi; Yoshida Michitoshi; Akitaya Hiroshi; Sato Shuji; Kino Masaru

首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >Photopolarimetric Monitoring of the Blazar BL Lac in the Optical and Near-Infrared Bands: Decay of the Long-Lived Component

【24h】

Photopolarimetric Monitoring of the Blazar BL Lac in the Optical and Near-Infrared Bands: Decay of the Long-Lived Component

机译：光学和近红外波段中Blazar BL Lac的光极化监测：长寿命成分的衰减

获取原文

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相似文献
相关主题

摘要

Wereportontheresultsofopticala€“near-infraredphotopolarimetricobservationsofBLLacconductedfrom2008to2011.OurobservationsareconsistentwithpaststudiesinwhichthebehaviorofthepolarizationofBLLaccouldbeunderstoodwithtwocomponents:shortflareswhosepolarizationanglesrandomlychange,andalong-livedcomponent.Inaddition,wedetectedagraduallydecreasingtrendinthetotalflux,thepolarizedflux,andthepolarizationdegreewithoutalargevariationinthepolarizationanglefrom2008tomid-2009.Theseresultssuggestthatthelong-livedcomponentdecayedfrom2008tomid-2009.Weproposethatthelong-livedcomponentisnotstationary,butisprobablyvariablewithatime-scaleofyears.Wefoundnochangeintheactivityoftheshortflaresin2008and2009,whenthelong-livedcomponentwasstrongandweak,respectively.Furthermore,therewerenocleardifferencesinthemeancolorandthedistributionofthepolarizationangleoftheshortflaresfrom2008to2009.Thesefactsindicatethattheemittingregionofthelong-termcomponentwasphysicallydisconnectedtothatoftheshortflares.Thecolorofthelong-termcomponentwasbluerthanthatoftheshortflares,indicatingahighersynchrotronpeak-frequency.Thiscouldbeduetoalowefficiencyofsynchrotronand/orComptoncoolingintheemittingregionofthelong-livedcomponent.Thelong-termcomponentispossiblyoriginatedfromarelativelydownstreamregioninthejetwheretheelectrondensityislow,ortheexternalradiationfieldisweak.

机译：Wereportontheresultsofopticala€“近infraredphotopolarimetricobservationsofBLLacconductedfrom2008to2011.OurobservationsareconsistentwithpaststudiesinwhichthebehaviorofthepolarizationofBLLaccouldbeunderstoodwithtwocomponents：shortflareswhosepolarizationanglesrandomlychange，andalong-livedcomponent.Inaddition，wedetectedagraduallydecreasingtrendinthetotalflux，thepolarizedflux，andthepolarizationdegreewithoutalargevariationinthepolarizationanglefrom2008tomid-2009.Theseresultssuggestthatthelong-livedcomponentdecayedfrom2008tomid-2009.Weproposethatthelong-livedcomponentisnotstationary，butisprobablyvariablewithatime-scaleofyears.Wefoundnochangeintheactivityoftheshortflaresin2008and2009，whenthelong-livedcomponentwasstrongandweak，respectively.Furthermore，therewerenocleardifferencesinthemeancolorandthedistributionofthepolarizationangleoftheshortflaresfrom2008to2009该事实表明，长期分量的发射区域与短喇叭口物理上断开了连接。组件的蓝色比短喇叭形的蓝色高，表示回旋加速器峰值频率较高。这可能是由于长寿命组件的发射区域内同步加速器和/或康普顿冷却效率较低。

著录项

来源
《PASJ: Publications of the Astronomical Society of Japan》 |2013年第2期|共页
作者
Sakimoto Kiyoshi; Uemura Makoto; Sasada Mahito; Kawabata Koji S.; Fukazawa Yasushi; Yamanaka Masayuki; Itoh Ryosuke; Ohsugi Takashi; Yoshida Michitoshi; Akitaya Hiroshi; Sato Shuji; Kino Masaru;
展开▼
作者单位

展开▼
收录信息
原文格式 PDF
正文语种
中图分类天文学;
关键词

相似文献

外文文献
中文文献
专利

1. Photopolarimetric monitoring of the blazar BL lac in the optical and near-infrared bands: Decay of the long-lived component [J] . Sakimoto K., Uemura M., Sasada M., PASJ: Publications of the Astronomical Society of Japan . 2013,第2期

机译：光学和近红外波段中的blazar BL lac的光偏振监测：长寿命成分的衰减
2. Photopolarimetric monitoring of blazars in the optical and near-infrared bands with the Kanata telescope. I. Correlations between flux, color, and polarization [J] . Ikejiri Y., Uemura M., Sasada M., PASJ: Publications of the Astronomical Society of Japan . 2011,第3期

机译：使用Kanata望远镜对光学和近红外波段中的酒渣进行光偏振监测。 I.通量，颜色和偏振之间的相关性
3. Photopolarimetric Monitoring of Blazars in the Optical and Near-Infrared Bands with the Kanata Telescope. I. Correlations between Flux, Color, and Polarization [J] . Ikejiri Yuki, Uemura Makoto, Sasada Mahito, PASJ: Publications of the Astronomical Society of Japan . 2011,第3期

机译：使用Kanata望远镜对光学和近红外波段中的酒渣进行光偏振监测。 I.通量，颜色和偏振之间的相关性
4. Testing the blazar sequence and black hole mass scaling with BL Lac objects [C] . Richard M. Plotkin, Sera Markoff, Scott F. Anderson, International Astronomical Union . 2011

机译：使用BL LAN对象测试Blazar序列和黑洞质量缩放
5. Advances in near-infrared glucose monitoring using pure component selectivity analysis for model characterization and a novel digital micromirror array spectrometer. [D] . Xiang, Dong. 2006

机译：使用纯组分选择性分析进行模型表征和新型数字微镜阵列光谱仪在近红外葡萄糖监测方面的进展。
6. Huge upconversion luminescence enhancement by a cascade optical field modulation strategy facilitating selective multispectral narrow-band near-infrared photodetection [O] . Yanan Ji, Wen Xu, Nan Ding, 2020

机译：通过级联光学场调制策略促进选择性多光谱窄带近红外光电探测的巨大上转换发光提高
7. Photopolarimetric Monitoring of the Blazar BL Lac in the Optical and Near-Infrared Bands: Decay of the Long-Lived Component [O] . Kiyoshi Sakimoto, Makoto Uemura, Mahito Sasada, 2013

机译：光伏监测光纤和近红外带中的Blazar BL LAC：长寿部件的衰减

Photopolarimetric Monitoring of the Blazar BL Lac in the Optical and Near-Infrared Bands: Decay of the Long-Lived Component

摘要

著录项

相似文献

相关主题

期刊订阅