Variable optical polarization during high state in ?3-ray loud, narrow-line Seyfert 1 galaxy 1Ha€‰0323+342

Itoh Ryosuke; Tanaka Yasuyuki T.; Akitaya Hiroshi; Uemura Makoto; Fukazawa Yasushi; Inoue Yoshiyuki; Doi Akihiro; Arai Akira; Hanayama Hidekazu; Hashimoto Osamu; Hayashi Masahiko; Izumiura Hideyuki; Kanda Yuka; Kawabata Koji S.; Kawaguchi Kenji; Kawai Nobuyuki; Kinugasa Kenzo; Kuroda Daisuke; Miyaji Takeshi; Moritani Yuki; Morokuma Tomoki; Murata Katsuhiro L.; Nagayama Takahiro; Oasa Yumiko; Ohshima Tomohito; Ohsugi Takashi; Saito Yoshihiko; Sakata Shuuichiro; Sasada Mahito; Sekiguchi Kazuhiro; Takagi Yuhei; Takahashi Jun; Takaki Katsutoshi; Ui Takahiro; Watanabe Makoto; Yamanaka Masayuki; Yamashita Satoshi; Yoshida Michitoshi

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Variable optical polarization during high state in ?3-ray loud, narrow-line Seyfert 1 galaxy 1Ha€‰0323+342

机译：在？3射线高声窄线塞弗1星系中的高状态期间的可变光学偏振1Ha€0323 + 342

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Wepresentresultsofopticalpolarimetricandmulti-bandphotometricobservationsfor?3-rayloud,narrow-lineSeyferta€‰1galaxy1Ha€‰0323+342.Thisobjecthasbeenmonitoredbythe1.5-mKanatatelescopesince2012September,butfollowinga?3-rayfluxenhancementdetectedbyFermiLargeAreaTelescope(Fermi-LAT)onMJD56483(2013July10),densefollow-upwasperformedby100.5a€“2.0-mtelescopesinJapanoveroneweek.The2-yrRC-bandlightcurveshowedclearbrighteningcorrespondingtothe?3-rayfluxincrease,andthendecayedgradually.Thehighstateasawholelastedfor??a??a€‰20a€‰d,duringwhichweclearlydetectedopticalpolarizationfromthisobject.Thepolarizationdegree(PD)ofthesourceincreasedfrom0%a€“1%inquiescenceto??a??a€‰3%atmaximumandthendeclinedtothequiescentlevel,withthedurationoftheenhancementbeinglessthan10a€‰d.ThemoderatePDaroundthepeakallowedustopreciselymeasurethedailypolarizationangle(PA).Asaresult,wefoundthatthedailyPAswerealmostconstantandalignedtothejetaxis,suggestingthatthemagneticfielddirectionattheemissionregionistransversetothejet.Thisimplieseitherapresenceofhelical/toroidalmagneticfieldortransversemagneticfieldcompressedbyshock(s).Wealsofoundsmall-amplitudeintra-nightvariabilityduringthe2-hrcontinuousexposureonasinglenight.Wediscussthesefindingsbasedontheturbulentmulti-zonemodelrecentlyadvocatedbyMarscher(2014,ApJ,780,87).Opticaltoultraviolet(UV)spectrumshowedarisingshapeinthehigherfrequencyandtheUVmagnitudemeasuredbySwift/UVOT(UVandOpticalTelescope)wassteadyevenduringtheflaringstate,suggestingthatthermalemissionfromaccretiondiskisdominantinthatband.

机译：我们提供了对3射线，窄线赛弗塔1星系，0323 + 342的光学偏振和多波段光度学观测的结果。该对象自2012年9月用1.5毫卡那卡望远镜监视，但在2012年10月20日经过了10次测试（根据2012年5月10日经过10个小时的检测）（3射线通量法）（2012年9月10日经过10个小时） mt望远镜在日本一周内。2yrRC波段的曲线显示出与3射线荧光增高相对应的变亮的亮度，然后逐渐衰减。在此状态下，高态持续了大约20秒钟，在此期间，我们从该物体上清楚地检测到了光的偏振。从偏振态的0％到0％。最多3％，然后下降到静止水平，增强的持续时间不到10天。在峰值允许范围内的中等PD精确地测量出每日极化角（PA）。结果，我们发现每日PA是最恒定且与射流轴对齐的，这表明该方向与磁场垂直。 lieseitherapresenceofhelical / toroidalmagneticfieldortransversemagneticfieldcompressedbyshock（S）.Wealsofoundsmall-amplitudeintra-nightvariabilityduringthe2-hrcontinuousexposureonasinglenight.Wediscussthesefindingsbasedontheturbulentmulti-zonemodelrecentlyadvocatedbyMarscher（2014，APJ，780,87）.Opticaltoultraviolet（UV）spectrumshowedarisingshapeinthehigherfrequencyandtheUVmagnitudemeasuredbySwift / UVOT（UVandOpticalTelescope）wassteadyevenduringtheflaringstate，suggestingthatthermalemissionfromaccretiondiskisdominantinthatband。

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《PASJ: Publications of the Astronomical Society of Japan》 |2014年第6期|共页
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Itoh Ryosuke; Tanaka Yasuyuki T.; Akitaya Hiroshi; Uemura Makoto; Fukazawa Yasushi; Inoue Yoshiyuki; Doi Akihiro; Arai Akira; Hanayama Hidekazu; Hashimoto Osamu; Hayashi Masahiko; Izumiura Hideyuki; Kanda Yuka; Kawabata Koji S.; Kawaguchi Kenji; Kawai Nobuyuki; Kinugasa Kenzo; Kuroda Daisuke; Miyaji Takeshi; Moritani Yuki; Morokuma Tomoki; Murata Katsuhiro L.; Nagayama Takahiro; Oasa Yumiko; Ohshima Tomohito; Ohsugi Takashi; Saito Yoshihiko; Sakata Shuuichiro; Sasada Mahito; Sekiguchi Kazuhiro; Takagi Yuhei; Takahashi Jun; Takaki Katsutoshi; Ui Takahiro; Watanabe Makoto; Yamanaka Masayuki; Yamashita Satoshi; Yoshida Michitoshi;
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1. Variable optical polarization during high state in gamma-ray loud, narrow-line Seyfert 1 galaxy 1H 0323+342 [J] . Itoh Ryosuke, Tanaka Yasuyuki T., Akitaya Hiroshi, PASJ: Publications of the Astronomical Society of Japan . 2014,第6期

机译：γ射线大声窄线塞弗1星系1H 0323 + 342在高态期间的可变光偏振
2. DISCOVERY OF DRAMATIC OPTICAL VARIABILITY IN SDSS J1100+4421: A PECULIAR RADIO-LOUD NARROW-LINE SEYFERT 1 GALAXY? [J] . Masaomi Tanaka, Tomoki Morokuma, Ryosuke Itoh, The Astrophysical Journal. Letters . 2014,第2期

机译：SDSS J1100 + 4421中的戏剧性光学变异性的发现：特殊的放射性大量窄线赛义德1银河系？
3. Minute-scale rapid variability of the optical polarization in the narrow-line seyfert 1 galaxy PMN j0948+0022 [J] . Itoh R., Tanaka Y.T., Fukazawa Y., The Astrophysical Journal. Letters . 2013,第2aPta1期

机译：窄线seyfert 1星系PMN j0948 + 0022中光偏振的微小尺度快速变化
4. The parsec-scale structure, kinematics, and polarization of radio-loud narrow-line Seyfert 1 galaxies [C] . J. L. Richards, M. L. Lister, T. Savolainen, International Astronomical Union., Symposium . 2015

机译：广播窄线Seyfert 1 Galaxies的Parsec规模结构，运动学和极化
5. Kinematics of the narrow-line regions in the Seyfert galaxies NGC 4151 and NGC 1068. [D] . Das, Varendra. 2006

机译：塞弗特星系NGC 4151和NGC 1068中的细线区域的运动学。
6. The Parsec-scale Structure, Kinematics, and Polarization of Radio-Loud Narrow-Line Seyfert 1 Galaxies [O] . Richards J. L., Lister M. L., Savolainen T., 2015

机译：辐射大的窄线赛弗1星系的Parsec尺度结构，运动学和极化

Variable optical polarization during high state in ?3-ray loud, narrow-line Seyfert 1 galaxy 1Ha€‰0323+342

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