Optical variability properties of mini-BAL and NAL quasars

Horiuchi Takashi; Misawa Toru; Morokuma Tomoki; Koyamada Suzuka; Takahashi Kazuma; Wada Hisashi

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Optical variability properties of mini-BAL and NAL quasars

机译：微型BAL和NAL类星体的光学变异性

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Whilenarrowabsorptionlines(NALs)arerelativelystable,broadabsorptionlines(BALs)andmini-BALsystemsusuallyshowviolenttimevariabilitywithinafewyearsviaamechanismthatisnotyetunderstood.Inthisstudy,weexaminethevariableionizationstate(VIS)scenarioasaplausiblemechanism,aspreviouslysuspected.Overthreeyears,weperformedphotometricmonitoringobservationsoffourmini-BALandfiveNALquasarsatzema??2.0a€“3.1usingthe105a€‰cmKisoSchmidtTelescopeinu,g,andibands.Wealsoperformedspectroscopicmonitoringobservationofoneofourmini-BALquasars(HSa€‰1603+3820)usingthe188??cmOkayamaTelescopeoverthesameperiodasthephotometricobservations.Ourmainresultsareasfollows:(1)Structurefunction(SF)analysisrevealedthatthequasarUVfluxvariabilityoverthreeyearswasnotlargeenoughtosupporttheVISscenario,unlesstheionizationconditionofoutflowgasisverylow.(2)TherewasnocrucialdifferencebetweentheSFsofmini-BALandNALquasars.(3)Thevariabilityofthemini-BALandquasarlightcurveswasweaklysynchronizedwithasmalltimedelayforHSa€‰1603+3820.TheseresultssuggestthattheVISscenariomayneedadditionalmechanismssuchasvariableshieldingbyX-raywarmabsorbers.

机译：Whilenarrowabsorptionlines（的NAL）arerelativelystable，broadabsorptionlines（BAL中）andmini-BALsystemsusuallyshowviolenttimevariabilitywithinafewyearsviaamechanismthatisnotyetunderstood.Inthisstudy，weexaminethevariableionizationstate（VIS）scenarioasaplausiblemechanism，aspreviouslysuspected.Overthreeyears，weperformedphotometricmonitoringobservationsoffourmini-BALandfiveNALquasarsatzema ?? 2.0A€“3.1usingthe105a€‰cmKisoSchmidtTelescopeinu，G，andibands.Wealsoperformedspectroscopicmonitoringobservationofoneofourmini-BALquasars（HSA €‰1603 + 3820）usingthe188 ?? cmOkayamaTelescopeoverthesameperiodasthephotometricobservations.Ourmainresultsareasfollows：（1）Structurefunction（SF）analysisrevealedthatthequasarUVfluxvariabilityoverthreeyearswasnotlargeenoughtosupporttheVISscenario，unlesstheionizationconditionofoutflowgasisverylow（2）TherewasnocrucialdifferencebetweentheSFsofmini-BALandNALquasars（3）Thevariabilityofthemini-BALandquasarlightcurveswasweaklysynchronizedwithasmalltimedelayforHSa€‰1603 + 3820.Theseresultss建议VIS场景需要其他机制，例如X射线热吸收器的可变屏蔽。

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《PASJ: Publications of the Astronomical Society of Japan》 |2016年第4期|共页
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Horiuchi Takashi; Misawa Toru; Morokuma Tomoki; Koyamada Suzuka; Takahashi Kazuma; Wada Hisashi;
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1. Optical variability properties of mini-BAL and NAL quasars [J] . Horiuchi Takashi, Misawa Toru, Morokuma Tomoki, PASJ: Publications of the Astronomical Society of Japan . 2016,第4期

机译：迷你BAL和NAL类星体的光学变异性
2. THE X-RAY PROPERTIES OF THE OPTICALLY BRIGHTEST MINI-BAL QUASARS FROM THE SLOAN DIGITAL SKY SURVEY [J] . Jianfeng Wu12, W. N. Brandt12, M. L. Comins1, The Astrophysical journal . 2010,第1期

机译：斯隆数字天空调查中最亮的迷你巴尔拟星的X射线特性
3. The optical variability properties of flat spectrum radio quasar 3C 454.3 [J] . Zhou Yao, Yan Da-Hai, Dai Ben-Zhong New astronomy . 2015,第Null期

机译：平面频谱类星体3C 454.3的光学可变性
4. Optical variability patterns of radio-quiet and radio-loud quasars [C] . P. Marziani, E. Bon, A. Grieco, International Astronomical Union., Symposium . 2017

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7. The X-Ray Properties of the Optically Brightest Mini-BAL Quasars from the Sloan Digital Sky Survey [O] . Wu, Jianfeng, Brandt, W. N., Comins, M. L., 2010

机译：光学最亮的mini-BaL类星体的X射线特性斯隆数字巡天

Optical variability properties of mini-BAL and NAL quasars

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