First-Epoch VSOP Observation of 3C 380: Kinematics of the Parsec-Scale Jet

Kameno Seiji; Inoue Makoto; Fujisawa Kenta; Shen Zhi-Qiang; Wajima Kiyoaki

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First-Epoch VSOP Observation of 3C 380: Kinematics of the Parsec-Scale Jet

机译：3C 380的第一阶段VSOP观测：帕尔秒尺度射流的运动学

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Thespace-VLBImissionVSOPprovideshigh-qualityimagingcapabilitiestoinvestigatefinestructuresinquasarjets.Wereportonthefirst-epochVSOPobservationofthesuperluminalquasar3C380at??6cm.Ahigh-qualityimagewithadynamicrangeof1:1200ataresolutionof0.74mas?—0.36masrevealsprecisestructurealongthepc-scalejet.ComponentsC2,A,andF,havebeenidentifiedwiththoseinpreviousground-VLBIobservations,andanapparentsuperluminalmotionhasbeenconfirmed.WefindaverystraightmotionwithaconstantapparentvelocityforcomponentsAandF.Eachmotionvectorisalmostparalleltoeachpositionvector.Thissuggestsaballisticejectionfromthecore.Inspiteofbetterpositionaccuracythanpreviousground-VLBIobservations,wecannotconfirmanyevidenceofaccelerationorchangesofthepositionanglewhichwerereportedinPolatidisandWilkinson(1998,AAA069.159.023).Weconfirmedthatthebentjetstructurehaskeptitssimilarityanddirection,comparedwithpreviousimages.ThissuggestsanobliqueshockinrelativisticflowratherthantheKelvin-Helmholtzinstability.

机译：Thespace-VLBImissionVSOPprovideshigh-qualityimagingcapabilitiestoinvestigatefinestructuresinquasarjets.Wereportonthefirst-epochVSOPobservationofthesuperluminalquasar3C380at ?? 6cm.Ahigh-qualityimagewithadynamicrangeof1：1200ataresolutionof0.74mas -0.36masrevealsprecisestructurealongthepc-scalejet.ComponentsC2，A，和F，havebeenidentifiedwiththoseinpreviousground-VLBIobservations，andanapparentsuperluminalmotionhasbeenconfirmed.WefindaverystraightmotionwithaconstantapparentvelocityforcomponentsAandF.Eachmotionvectorisalmostparalleltoeachpositionvector.Thissuggestsaballisticejectionfromthecore.Inspiteofbetterpositionaccuracythanpreviousground-VLBIobservations，wecannotconfirmanyevidenceofaccelerationorchangesofthepositionanglewhichwerereportedinPolatidisandWilkinson （1998，AAA069.159.023）。我们确认弯曲的喷气机结构与以前的图像相比具有相似性和方向性。这表明相对于激进的流线型冲击波比开尔文-亥姆霍兹不稳定性更强。

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《PASJ: Publications of the Astronomical Society of Japan》 |2000年第6期|共页
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Kameno Seiji; Inoue Makoto; Fujisawa Kenta; Shen Zhi-Qiang; Wajima Kiyoaki;
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1. Hubble Space Telescope and VLA Observations of Two Optical Continuum Knots in the Jet of 3C 380 [J] . Christopher P. ODea1, Willem de Vries12, John A. Biretta1, The Astrophysical journal . 2007,第3期

机译：哈勃太空望远镜和3C 380喷气机中两个光学连续谱系结的VLA观测
2. Multi-Frequency VLBA Studies of the Parsec-Scale Jets in 3C 66A and 3C 66B [J] . Zhao G. -Y., Chen Y. -J., Shen Z. -Q., Journal of Astrophysics and Astronomy . 2014,第3期

机译：3C 66A和3C 66B中的Parsec级喷射器的多频率VLBA研究
3. Multi-Frequency VLBA Studies of the Parsec-Scale Jets in 3C 66A and 3C 66B [J] . F. Gao1, G.-Y. Zhao1 2 3, H. Sudou, Journal of astrophysics and astronomy . 2014,第3期

机译：3C 66A和3C 66B中的Parsec级喷射器的多频率VLBA研究
4. Study of the parsec-scale jet in the blazar 3C 66A with VLBA [C] . Guang-Yao Zhao, Yong-Jun Chen, Zhi-Qiang Shen, International Astronomical Union . 2013

机译：VLBA的Blazar 3C 66A中的Parsec级射流研究
5. Observations and simulations of parsec-scale jets in active galactic nuclei. [D] . Mioduszewski, Amy Jo. 1996

机译：活跃银河核中准等尺度射流的观测和模拟。
6. The parsec-scale jet in M87. [O] . J A Biretta, W Junor 1995

机译：M87型的准差距喷气机。
7. First-Epoch VSOP Observation of 3C 380: Kinematics of the Parsec-Scale Jet [O] . Seiji Kameno, Makoto Inoue, Kenta Fujisawa, 2000

机译：3C 380的第一欧元VSOP观察：Parsec级射流的运动学

First-Epoch VSOP Observation of 3C 380: Kinematics of the Parsec-Scale Jet

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