Suzaku Results on Cygnus X-1 in the Low/Hard State

Makishima Kazuo; Takahashi Hiromitsu; Yamada Shina€?ya; Done Chris; Kubota Aya; Dotani Tadayasu; Ebisawa Ken; Itoh Takeshi; Kitamoto Shunji; Negoro Hitoshi; Ueda Yoshihiro; Yamaoka Kazutaka

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Suzaku Results on Cygnus X-1 in the Low/Hard State

机译：朱雀在低/硬状态下使用天鹅座X-1的结果

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Theblack-holebinaryCygnusX-1wasobservedfor17kswiththeSuzakuX-rayobservatoryin2005October,whileitwasinalow/hardstatewitha0.7-300keVluminosityof$$4.6 imes10^{37}$$ergs$$^{-1}$$.TheXISandHXDspectra,spanning0.7-400keV,werereproducedsuccessfully,incorporatingacoolaccretiondiskandahotComptonizingcorona.Thecoronaischaracterizedbyanelectrontemperatureof$$sim$$100keV,andtwoopticaldepthsof$$sim$$0.4and$$sim$$1.5,whichaccountforthesofterandhardercontinua,respectively.Thediskhasaninnermosttemperatureof$$sim$$0.2keV,andisthoughttoprotrudehalfwayintothecorona.ThedisknotonlyprovidesseedphotonstotheComptoncloud,butalsoproducesasoftspectralexcess,amildreflectionhump,andaweaklybroadenedironline.AcomparisonwiththeSuzakudataonGROJ1655$$-$$40revealsseveralinterestingspectraldifferences,whichcanmostlybeattributedtoinclinationeffects,assumingthatthediskhasaflatgeometrywhilethecoronaisgrosslyspherical.Anintensity-sortedspectroscopyindicatesthatthecontinuumbecomeslessComptonizedwhenthesourceflaresupontimescalesof1-200s,whiletheunderlyingdiskremainsunchanged.

机译：在2005年10月，用SuzakuX射线天文台观察到了黑洞Cygnus X-1进行了17次观测，而在低/硬状态下，其0.7-300ke的垂直度为$ 4.6的imes10 ^ {37} $ ergs $$ ^ {-1} $$。 SIM $$ 100keV，andtwoopticaldepthsof $$ SIM $$ 0.4and $$ SIM $$ 1.5，whichaccountforthesofterandhardercontinua，respectively.Thediskhasaninnermosttemperatureof $$ SIM $$ 0.2keV，andisthoughttoprotrudehalfwayintothecorona.ThedisknotonlyprovidesseedphotonstotheComptoncloud，butalsoproducesasoftspectralexcess，amildreflectionhump，andaweaklybroadenedironline.AcomparisonwiththeSuzakudataonGROJ1655 $$ - $$ 40revealsseveralinterestingspectraldifferences，whichcanmostlybeattributedtoinclinationeffects，假设磁盘的几何形状是平面的，而电晕是大球形的。 sof1-200s，而下面的磁盘仍旧更改。

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《PASJ: Publications of the Astronomical Society of Japan》 |2008年第3期|共页
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Makishima Kazuo; Takahashi Hiromitsu; Yamada Shina€?ya; Done Chris; Kubota Aya; Dotani Tadayasu; Ebisawa Ken; Itoh Takeshi; Kitamoto Shunji; Negoro Hitoshi; Ueda Yoshihiro; Yamaoka Kazutaka;
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1. Rapid spectral changes of Cygnus X-1 in the low/hard state with Suzaku [J] . Yamada S., Negoro H., Torii S., The Astrophysical Journal. Letters . 2013,第2aPta2期

机译：朱雀在低/硬状态下天鹅座X-1的快速光谱变化
2. Suzaku results on Cygnus X-1 in the low/hard state [J] . Makishima K, Takahashi H, Yamada S, PASJ: Publications of the Astronomical Society of Japan . 2008,第3期

机译：朱雀在低/硬状态下对天鹅座X-1的结果
3. NuSTAR AND SUZAKU OBSERVATIONS OF THE HARD STATE IN CYGNUS X-1: LOCATING THE INNER ACCRETION DISK [J] . M. L. Parker, J. A. Tomsick, J. M. Miller, The Astrophysical journal . 2015,第1期

机译：天鹅座X-1的NuSTAR和SUZAKU硬态观察：定位内吸积盘
4. Extended radio emission around Cygnus X-3:a possible jet-driven bubble as in Cygnus X-1? [C] . J. Marti, J. R. Sanchez-Sutil, P. Luque-Escamilla, Kolkata Conference on Observational Evidence for Black Holes in the Universe . 2008

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5. Investigation of an enigmatic hump around 30 keV in Suzaku spectra of Aquila X-1 in the Hard State [D] . 窪田　恵 2019

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6. Low-level laser therapy effectively prevents secondary brain injury induced by immediate early responsive gene X-1 deficiency [O] . Qi Zhang, Chang Zhou, Michael R Hamblin, 2014

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7. Suzaku Results on Cygnus X-1 in the Low/Hard State [O] . Kazuo Makishima, Hiromitsu Takahashi, Shin’ya Yamada, 2008

机译：Suzaku在低/硬状态下导致Cygnus X-1

Suzaku Results on Cygnus X-1 in the Low/Hard State

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