Detailed Hard X-Ray Measurements of Nuclear Emission from the Seyfert2 Galaxy NGC4388 with Suzaku

Shirai Hirohisa; Fukazawa Yasushi; Sasada Mahito; Ohno Masanori; Yonetoku Daisuke; Yokota Satoshi; Fujimoto Ryuichi; Murakami Toshio; Terashima Yuichi; Awaki Hisamitsu; Ikeda Shinya; Ozawa Midori; Tsuru Takeshi G.

首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >Detailed Hard X-Ray Measurements of Nuclear Emission from the Seyfert2 Galaxy NGC4388 with Suzaku

【24h】

Detailed Hard X-Ray Measurements of Nuclear Emission from the Seyfert2 Galaxy NGC4388 with Suzaku

机译：带有Suzaku的Seyfert 2 Galaxy NGC 4388核辐射的详细硬X射线测量

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

WereportonaSuzakuobservationofthenearbySeyfert2galaxyNGC4388.Theoverallspectrumiswelldescribedbythecombinationofstronglyabsorbedpower-lawplusthinthermalplasmaemission,aswellaspreviousobservations.Thankstowell-calibratedinstrumentsandalowbackgroundlevel,Suzakumeasuredthebroad-bandX-rayspectramorepreciselythanever,andenabledustoprobethephysicalstructureofthenuclearregion.Inaddition,atimevariabilityhavingafactorof1.5withahalf-daytimescalewasfounduptoabove10keV.ThecenterenergyandtheK$$eta$$/K$$alpha$$ratioofthenarrowFe-Kline,togetherwithlesstimevariability,indicatethatthefluorescentmaterialisfarfromtheblackhole.Aspectralhumparoundthe30-40keVband,togetherwithaComptonshoulderoftheFe-Kline,requiresasignificantcontributionofthereflectioncomponent.Thisisalsoconsistentwithasmalleramplitudeoftimevariabilityinahigherenergyband.AlargecontributionofthereflectioncomponentwasnotobservedbytheCGRO/OSSEandBeppoSAX,suggestingthatNGC4388hadbeeninahigherfluxstate,andthatSuzakuobserveditslightecho.AHe-likeFe-K$$alpha$$absorptionlinewasalsodetected,indicatingtheexistenceofhighlyionizedplasma.

机译：WereportonaSuzakuobservationofthenearbySeyfert2galaxyNGC4388.Theoverallspectrumiswelldescribedbythecombinationofstronglyabsorbedpower-lawplusthinthermalplasmaemission，aswellaspreviousobservations.Thankstowell-calibratedinstrumentsandalowbackgroundlevel，Suzakumeasuredthebroad-bandX-rayspectramorepreciselythanever，andenabledustoprobethephysicalstructureofthenuclearregion.Inaddition，atimevariabilityhavingafactorof1.5withahalf-daytimescalewasfounduptoabove10keV.ThecenterenergyandtheK $$ ETA $$ / K $$阿尔法$$ ratioofthenarrowFe-克莱恩，togetherwithlesstimevariability，indicatethatthefluorescentmaterialisfarfromtheblackhole.Aspectralhumparoundthe30 -40keV频带与Fe-Kline的Compton一起需要较大的反射分量贡献。这也与较高能带的小幅度时变一致。CGRO/ OSSE和Beppo SAX认为该反射分量的较大贡献似乎很小，这表明388k表示aku的变化。 -K $ alpha $$吸收线也被检测到，表明高电离血浆的存在。

著录项

来源
《PASJ: Publications of the Astronomical Society of Japan》 |2008年第sp1期|共页
作者
Shirai Hirohisa; Fukazawa Yasushi; Sasada Mahito; Ohno Masanori; Yonetoku Daisuke; Yokota Satoshi; Fujimoto Ryuichi; Murakami Toshio; Terashima Yuichi; Awaki Hisamitsu; Ikeda Shinya; Ozawa Midori; Tsuru Takeshi G.;
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
专利

1. Detailed Hard X-Ray Measurements of Nuclear Emission fromthe Seyfert 2 Galaxy NGC 4388 with Suzaku [J] . Hirohisa SHIRAI, Yasushi FUKAZAWA, Mahito SASADA, PASJ: Publications of the Astronomical Society of Japan . 2008,第Suppla1a期

机译：带有Suzaku的Seyfert 2 Galaxy NGC 4388核辐射的详细X射线硬测量
2. Detailed hard X-ray measurements of nuclear emission from the Seyfert 2 galaxy NGC 4388 with Suzaku [J] . Shirai H, Fukazawa Y, Sasada M, PASJ: Publications of the Astronomical Society of Japan . 2008,第Suppla1期

机译：Seyfert 2星系NGC 4388与Suzaku核辐射的详细硬X射线测量
3. Wide-Band Spectroscopy of the Compton Thick Seyfert2 Galaxy Markarian 3 with Suzaku [J] . Awaki Hisamitsu, Anabuki Naohisa, Fukazawa Yasushi, PASJ: Publications of the Astronomical Society of Japan . 2008,第sp1期

机译：具有朱雀的康普顿厚Seyfert2银河Markarian 3的宽带光谱
4. Suzaku Detection of Hard X-ray Emission in SGR 0501+4516 Short Burst Spectrum [C] . Yujin E. Nakagawa, Teruaki Enoto, Kazuo Makishima, Sant Cugat forum on astrophysics;ICREA workshop on the high-energy emission from pulsars and their systems . 2011

机译：SGR 0501 + 4516短脉冲光谱中朱雀的硬X射线发射检测
5. HEFT measurement of the hard X-ray size of the Crab Nebula and the hard X-ray optics of the Nuclear Spectroscopic Telescope Array (NuSTAR) [D] . An, Hongjun 2011

机译：HEFT测量蟹状星云的硬X射线大小和核光谱望远镜阵列（NuSTAR）的硬X射线光学器件
6. Colloquium Paper: X-ray emission from clusters and groups of galaxies [O] . Richard Mushotzky 1998

机译：讨论会论文：来自星系团和星团的X射线发射
7. Spectral Variation of Hard X-Ray Emission from the Crab Nebula with the Suzaku Hard X-Ray Detector [O] . Tomomi Kouzu, Makoto S. Tashiro, Yukikatsu Terada, 2013

机译：用Suzaku硬X射线检测器从蟹星云中的硬X射线发射的光谱变化

Detailed Hard X-Ray Measurements of Nuclear Emission from the Seyfert2 Galaxy NGC4388 with Suzaku

摘要

著录项

相似文献

相关主题

期刊订阅