SiO Maser Survey off the Galactic Plane: A Signature of Streaming Motion

Deguchi Shuji; Shimoikura Tomomi; Koike Kazutaka

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SiO Maser Survey off the Galactic Plane: A Signature of Streaming Motion

机译：SiO Maser在银河平面外进行勘测：流运动的标志

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AgroupofMiravariablesinthesolarneighborhoodshowsunusualspatialmotionintheGalaxy.TostudythismotiononamuchlargerscaleintheGalaxy,wenewlysurveyed134evolvedstarsofftheGalacticplanebySiOmaserlines,obtainingaccurateradialvelocitiesof84detectedstars.TogetherwiththepastdataofSiOmasersources,weanalyzedtheradial-velocitydataofalargesampleofsourcesdistributedinadistancerangeofabout0.3a€“6kpcinthefirstGalacticquadrant.AtGalacticlongitudesbetween20$$^{circ}$$and40$$^{circ}$$,wefoundagroupofstarswithlargenegativeradialvelocities,whichdeviatebymorethan100kms$$^{-1}$$fromtheGalacticrotation.WeshowthatthesedeviantmotionsofmaserstarsarecreatedbyperiodicgravitationalperturbationoftheBulgebar,andthattheeffectappearsmoststronglyatradiibetweencorotationandouterLindbladresonances.TheresonanceeffectcanexplainthedisplacementofpositionsfromtheGalacticplaneaswell.

机译：AgroupofMiravariablesinthesolarneighborhoodshowsunusualspatialmotionintheGalaxy.TostudythismotiononamuchlargerscaleintheGalaxy，wenewlysurveyed134evolvedstarsofftheGalacticplanebySiOmaserlines，obtainingaccurateradialvelocitiesof84detectedstars.TogetherwiththepastdataofSiOmasersources，weanalyzedtheradial-velocitydataofalargesampleofsourcesdistributedinadistancerangeofabout0.3a€“6kpcinthefirstGalacticquadrant.AtGalacticlongitudesbetween20 $$ ^ {} CIRC $$ and40 $$ ^ {} CIRC $$，wefoundagroupofstarswithlargenegativeradialvelocities，whichdeviatebymorethan100kms $$ ^ { - 1} $$从银河系旋转中我们可以看到，膨胀球的周期性引力扰动产生了巨大的恒星运动，并且该效应在旋转和外层叶片共振之间的半径最强。在银河系平面上的位置上可以发现共振效应。

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《PASJ: Publications of the Astronomical Society of Japan》 |2010年第3期|共页
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Deguchi Shuji; Shimoikura Tomomi; Koike Kazutaka;
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1. SiO Maser Survey off the Galactic Plane: A Signature of Streaming Motion [J] . Deguchi S., Shimoikura T., Koike K. PASJ: Publications of the Astronomical Society of Japan . 2010,第3期

机译：SiO Maser在银河平面外进行勘测：流运动的标志
2. SiO maser survey of the galactic disk IRAS sources. II. vertical bar l vertical bar <= 3 degrees and vertical bar b vertical bar <= 3 degrees, the Galactic center area [J] . Deguchi S., Izumiura H., Kameya O., The Astrophysical Journal. Supplement Series . 2000,第2期

机译：SiO Maser对银河磁盘IRAS来源的调查。 II。垂直条L垂直条<= 3度和垂直条B垂直条<= 3度，银河系中心区域
3. SiO maser survey of the galactic disk IRAS sources. I. 15 deg < l < 25 deg, near end of the galactic bar [J] . Hideyuki Izumiura, Shuji Deguchi, Takahiro Fujii, The Astrophysical Journal. Supplement Series . 1999,第1期

机译：SiO maser对银河盘IRAS源的调查。 I. 15度
4. Thousands of Stellar SiO masers in the Galactic center: The Bulge Asymmetries and Dynamic Evolution (BAaDE) survey [C] . Loránt O. Sjouwerman, Ylva M. Pihlstr?m, R. Michael Rich, International Astronomical Union., Symposium . 2017

机译：半术中心的数千家恒星SiO粉碎剂：凸起不对称和动态进化（Baade）调查
5. Circumstellar SiO Masers in the Bulge Asymmetries and Dynamical Evolution Survey [D] . Stroh, Michael Cullen. 2019

机译：凸起不对称和动态演进调查中的外观SIO粉碎剂
6. SiO and CH3OH mega-masers in NGC 1068 [O] . Junzhi Wang, Jiangshui Zhang, Yu Gao, -1

机译：NGC 1068中的SiO和CH3OH巨型物质
7. SiO Maser Survey off the Galactic Plane: A Signature of Streaming Motion [O] . Shuji Deguchi, Tomomi Shimoikura 2016

机译：关于银河平面的siO maser调查：流动的签名
8. The H2O Masers: Survey of the Galactic Plane 2 [R] . Braz, M. A., Scalise, E. 1981

机译：H2O masers：银河系飞机的调查2

SiO Maser Survey off the Galactic Plane: A Signature of Streaming Motion

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