Auroral Storm and Polar Arcs at Saturn—Final Cassini/UVIS Auroral Observations

Palmaerts B.; Radioti A.; Grodent D.; Yao Z. H.; Bradley T. J.; Roussos E.; Lamy L.; Bunce E. J.; Cowley S. W. H.; Krupp N.; Kurth W. S.; Gérard J.‐C.; Pryor W. R.

摘要

Abstract >On 15 September 2017 the Cassini spacecraft plunged into Saturn's atmosphere after 13?years of successful exploration of the Saturnian system. The day before, the Ultraviolet Imaging Spectrograph (UVIS) on board Cassini observed Saturn's northern aurora for about 14?hr. During these observations, several auroral structures appeared, providing clues about processes simultaneously occurring in Saturn's magnetosphere. The observed dawn auroral enhancement together with the magnetic field and plasma wave data suggest that an intense flux closure process took place in the magnetotail. This enhanced magnetotail reconnection is likely caused by a magnetospheric compression induced by an interplanetary shock. Additionally, a polar arc is observed on the duskside, tracked for the first time from its growth until its quasi‐disappearance and used as an indicator of reconnection location on the dayside magnetopause. Observation of an atypical auroral arc at very high latitudes supports the interplanetary shock scenario. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“main”xml：lang =“en”xml：id =“grl57609-abs-abs-abs-0001”> <标题类型=“main”>抽象</ title> > 2017年9月15日Cassini Spacecraft在13岁时成功地探索Saturnian系统后进入土星的氛围。之前的一天，紫外线影像光谱仪（UVIS）在Cassini上观察了土星的北极光大约14岁。在这些观察中，出现了几种极光结构，提供了关于在土星磁层中同时发生的过程的线索。观察到的曙光极光增强与磁场和等离子体波数据一起增强，表明磁尾部发生强烈的助焊剂封闭过程。这种增强的磁船重新连接可能是由行星际冲击引起的磁体压缩引起的。另外，在昏暗的昏暗上观察到极性弧，这是第一次从其生长跟踪，直到其准消失，并用作天磁页的重新连接位置的指标。在非常高纬度地区观察非典型极光弧支持行星际震动场景。</ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-23539/'>《Geophysical Research Letters》</a> <b style="margin: 0 2px;">|</b><span>2018年第14期</span><b style="margin: 0 2px;">|</b><span>共11页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Palmaerts B.&option=202" target="_blank" rel="nofollow">Palmaerts B.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Radioti A.&option=202" target="_blank" rel="nofollow">Radioti A.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Grodent D.&option=202" target="_blank" rel="nofollow">Grodent D.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yao Z. H.&option=202" target="_blank" rel="nofollow">Yao Z. H.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Bradley T. J.&option=202" target="_blank" rel="nofollow">Bradley T. J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Roussos E.&option=202" target="_blank" rel="nofollow">Roussos E.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lamy L.&option=202" target="_blank" rel="nofollow">Lamy L.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Bunce E. J.&option=202" target="_blank" rel="nofollow">Bunce E. J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Cowley S. W. H.&option=202" target="_blank" rel="nofollow">Cowley S. W. H.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Krupp N.&option=202" target="_blank" rel="nofollow">Krupp N.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kurth W. S.&option=202" target="_blank" rel="nofollow">Kurth W. S.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Gérard J.‐C.&option=202" target="_blank" rel="nofollow">Gérard J.‐C.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pryor W. R.&option=202" target="_blank" rel="nofollow">Pryor W. R.;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Laboratoire de Physique Atmosphérique et Planétaire Space Sciences Technologies and Astrophysics Research InstituteUniversité de LiègeLiège Belgium;</p> <p>Laboratoire de Physique Atmosphérique et Planétaire Space Sciences Technologies and Astrophysics Research InstituteUniversité de LiègeLiège Belgium;</p> <p>Laboratoire de Physique Atmosphérique et Planétaire Space Sciences Technologies and Astrophysics Research InstituteUniversité de LiègeLiège Belgium;</p> <p>Laboratoire de Physique Atmosphérique et Planétaire Space Sciences Technologies and Astrophysics Research InstituteUniversité de LiègeLiège Belgium;</p> <p>Department of Physics and AstronomyUniversity of LeicesterLeicester UK;</p> <p>Max‐Planck‐Institut für SonnensystemforschungG?ttingen Germany;</p> <p>LESIAObservatoire de ParisMeudon France;</p> <p>Department of Physics and AstronomyUniversity of LeicesterLeicester UK;</p> <p>Department of Physics and AstronomyUniversity of LeicesterLeicester UK;</p> <p>Max‐Planck‐Institut für SonnensystemforschungG?ttingen Germany;</p> <p>Department of Physics and AstronomyUniversity of IowaIowa City IO USA;</p> <p>Laboratoire de Physique Atmosphérique et Planétaire Space Sciences Technologies and Astrophysics Research InstituteUniversité de LiègeLiège Belgium;</p> <p>Science DepartmentCentral Arizona CollegeCoolidge AZ USA;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/163.html" title="地球物理学">地球物理学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Saturn&option=203" rel="nofollow">Saturn;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=magnetosphere&option=203" rel="nofollow">magnetosphere;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=aurora&option=203" rel="nofollow">aurora;</a> </p> <div class="translation"> 机译：土星;磁影;极光; </div> </li> </ul> </div> </div> <div class="literature cardcommon" id="literaturereference" style="display:none"> <div class="similarity "> <h3 class="all_title" id="enpatent111">引文网络</h3> <div class="referencetab clearfix"> <ul id="referencedaohang"> <li dataid="referenceul">参考文献</li> <li dataid="citationul">引证文献</li> <li dataid="commonreferenceul">共引文献</li> <li dataid="commoncitationul">同被引文献</li> <li dataid="tworeferenceul">二级参考文献</li> <li dataid="twocitationul">二级引证文献</li> </ul> </div> <div class="reference_details" id="referenceList"> <ul id="referenceul"></ul> <ul id="citationul"></ul> <ul id="commonreferenceul"></ul> <ul id="commoncitationul"></ul> <ul id="tworeferenceul"></ul> <ul id="twocitationul"></ul> </div> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704019850542.html">Auroral Storm and Polar Arcs at Saturn—Final Cassini/UVIS Auroral Observations</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Palmaerts B.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Palmaerts B.,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Radioti A.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Radioti A.,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Grodent D.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Grodent D.,</a> <a href="/journal-foreign-23539/" target="_blank" rel="nofollow" class="tuijian_authcolor">Geophysical Research Letters .</a> <span>2018</span><span>,第14期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：Saturn-Final Cassini / Uvis极光观测的极光风暴和极性弧线</span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/070403639466.html">Characteristics of Saturn's polar atmosphere and auroral electrons derived from HST/STIS, FUSE and Cassini/UVIS spectra</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Gustin J.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Gustin J.,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Gérard J.-C.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Gérard J.-C.,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pryor W.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Pryor W.,</a> <a href="/journal-foreign-20069/" target="_blank" rel="nofollow" class="tuijian_authcolor">Icarus: International Journal of Solar System Studies .</a> <span>2009</span><span>,第1期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：由HST / STIS，FUSE和Cassini / UVIS光谱得出的土星极地大气和极光电子的特征</span> </p> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704014335207.html">Correction to "Cassini observations of ion and electron beams at Saturn and their relationship to infrared auroral arcs"</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=S. 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