Triggered Ion-acoustic Waves in the Solar Wind
For more than 12 hr beginning on 2021 January 18, continuous narrowband electrostatic emissions were observed on the Parker Solar Probe near 20 solar radii. The observed
Gespeichert in:
| Veröffentlicht in: | Astrophysical journal. Letters 2021-09, Vol.919 (1), p.L2 |
|---|---|
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | 1 |
| container_start_page | L2 |
| container_title | Astrophysical journal. Letters |
| container_volume | 919 |
| creator | Mozer, F. S. Vasko, I. Y. Verniero, J. L. |
| description | For more than 12 hr beginning on 2021 January 18, continuous narrowband electrostatic emissions were observed on the Parker Solar Probe near 20 solar radii. The observed |
| doi_str_mv | 10.3847/2041-8213/ac2259 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_iop_j</sourceid><recordid>TN_cdi_proquest_journals_2574788577</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2574788577</sourcerecordid><originalsourceid>FETCH-LOGICAL-c380t-c7974395308fefe02060a60523071af84215cd2525f02bc1e211a352376003d53</originalsourceid><addsrcrecordid>eNp9kM1LxDAQxYMouK7ePRbEm92dTJomPcrix8KCB1f2GGKarF3Wpiat4H9vS2W9iKcZZn5vHvMIuaQwYzITc4SMphIpm2uDyIsjMjmMjg898FNyFuMOACGnckJm61BttzbYMln6OtXGd7GtTLLRnzYmVZ20bzZ59nsdkk1Vl-fkxOl9tBc_dUpe7u_Wi8d09fSwXNyuUsMktKkRhchYwRlIZ50dzEDnwJGBoNrJDCk3JXLkDvDVUIuUatavRQ7ASs6m5Gq82wT_0dnYqp3vQt1bKuQiE1JyIXoKRsoEH2OwTjWhetfhS1FQQypqeFsNEagxlV5yM0oq3_ze_Ae__gPXzW6vClooqlaomtKxbwYVa88</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2574788577</pqid></control><display><type>article</type><title>Triggered Ion-acoustic Waves in the Solar Wind</title><source>Institute of Physics Open Access Journal Titles</source><source>EZB-FREE-00999 freely available EZB journals</source><source>IOPscience extra</source><source>Alma/SFX Local Collection</source><creator>Mozer, F. S. ; Vasko, I. Y. ; Verniero, J. L.</creator><creatorcontrib>Mozer, F. S. ; Vasko, I. Y. ; Verniero, J. L.</creatorcontrib><description>For more than 12 hr beginning on 2021 January 18, continuous narrowband electrostatic emissions were observed on the Parker Solar Probe near 20 solar radii. The observed <1000 Hz frequencies were well below the local ion-plasma frequency. Surprisingly, the emissions consisted of electrostatic wave packets with shock-like envelopes, appearing repetitively at a ∼1.5 Hz rate. This repetitiveness correlated and was in phase with low-frequency electromagnetic fluctuations. The emissions were associated with simultaneously observed ion beams and conditions favorable for ion-acoustic wave excitation, i.e., Te/Ti ∼ 5. Based on this information and on their velocity estimates of about 100 km s
−1
, these electrostatic emissions are interpreted as ion-acoustic waves. Their observation demonstrates a new regime of instability and evolution of oblique ion-acoustic waves that have not been reported previously in theory or experiment.</description><identifier>ISSN: 2041-8205</identifier><identifier>EISSN: 2041-8213</identifier><identifier>DOI: 10.3847/2041-8213/ac2259</identifier><language>eng</language><publisher>Austin: The American Astronomical Society</publisher><subject>Acoustic waves ; Acoustics ; Electrostatic waves ; Emissions ; Ion beams ; Narrowband ; Plasma frequencies ; Solar coronal waves ; Solar probes ; Solar wind ; Velocity estimation ; Wave excitation ; Wave packets</subject><ispartof>Astrophysical journal. Letters, 2021-09, Vol.919 (1), p.L2</ispartof><rights>2021. The Author(s). Published by the American Astronomical Society.</rights><rights>Copyright IOP Publishing Sep 01, 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-c7974395308fefe02060a60523071af84215cd2525f02bc1e211a352376003d53</citedby><cites>FETCH-LOGICAL-c380t-c7974395308fefe02060a60523071af84215cd2525f02bc1e211a352376003d53</cites><orcidid>0000-0002-4974-4786 ; 0000-0002-2011-8140 ; 0000-0003-1138-652X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.3847/2041-8213/ac2259/pdf$$EPDF$$P50$$Giop$$Hfree_for_read</linktopdf><link.rule.ids>314,780,784,27924,27925,38868,38890,53840,53867</link.rule.ids></links><search><creatorcontrib>Mozer, F. S.</creatorcontrib><creatorcontrib>Vasko, I. Y.</creatorcontrib><creatorcontrib>Verniero, J. L.</creatorcontrib><title>Triggered Ion-acoustic Waves in the Solar Wind</title><title>Astrophysical journal. Letters</title><addtitle>APJL</addtitle><addtitle>Astrophys. J. Lett</addtitle><description>For more than 12 hr beginning on 2021 January 18, continuous narrowband electrostatic emissions were observed on the Parker Solar Probe near 20 solar radii. The observed <1000 Hz frequencies were well below the local ion-plasma frequency. Surprisingly, the emissions consisted of electrostatic wave packets with shock-like envelopes, appearing repetitively at a ∼1.5 Hz rate. This repetitiveness correlated and was in phase with low-frequency electromagnetic fluctuations. The emissions were associated with simultaneously observed ion beams and conditions favorable for ion-acoustic wave excitation, i.e., Te/Ti ∼ 5. Based on this information and on their velocity estimates of about 100 km s
−1
, these electrostatic emissions are interpreted as ion-acoustic waves. Their observation demonstrates a new regime of instability and evolution of oblique ion-acoustic waves that have not been reported previously in theory or experiment.</description><subject>Acoustic waves</subject><subject>Acoustics</subject><subject>Electrostatic waves</subject><subject>Emissions</subject><subject>Ion beams</subject><subject>Narrowband</subject><subject>Plasma frequencies</subject><subject>Solar coronal waves</subject><subject>Solar probes</subject><subject>Solar wind</subject><subject>Velocity estimation</subject><subject>Wave excitation</subject><subject>Wave packets</subject><issn>2041-8205</issn><issn>2041-8213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><recordid>eNp9kM1LxDAQxYMouK7ePRbEm92dTJomPcrix8KCB1f2GGKarF3Wpiat4H9vS2W9iKcZZn5vHvMIuaQwYzITc4SMphIpm2uDyIsjMjmMjg898FNyFuMOACGnckJm61BttzbYMln6OtXGd7GtTLLRnzYmVZ20bzZ59nsdkk1Vl-fkxOl9tBc_dUpe7u_Wi8d09fSwXNyuUsMktKkRhchYwRlIZ50dzEDnwJGBoNrJDCk3JXLkDvDVUIuUatavRQ7ASs6m5Gq82wT_0dnYqp3vQt1bKuQiE1JyIXoKRsoEH2OwTjWhetfhS1FQQypqeFsNEagxlV5yM0oq3_ze_Ae__gPXzW6vClooqlaomtKxbwYVa88</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Mozer, F. S.</creator><creator>Vasko, I. Y.</creator><creator>Verniero, J. L.</creator><general>The American Astronomical Society</general><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-4974-4786</orcidid><orcidid>https://orcid.org/0000-0002-2011-8140</orcidid><orcidid>https://orcid.org/0000-0003-1138-652X</orcidid></search><sort><creationdate>20210901</creationdate><title>Triggered Ion-acoustic Waves in the Solar Wind</title><author>Mozer, F. S. ; Vasko, I. Y. ; Verniero, J. L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-c7974395308fefe02060a60523071af84215cd2525f02bc1e211a352376003d53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Acoustic waves</topic><topic>Acoustics</topic><topic>Electrostatic waves</topic><topic>Emissions</topic><topic>Ion beams</topic><topic>Narrowband</topic><topic>Plasma frequencies</topic><topic>Solar coronal waves</topic><topic>Solar probes</topic><topic>Solar wind</topic><topic>Velocity estimation</topic><topic>Wave excitation</topic><topic>Wave packets</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mozer, F. S.</creatorcontrib><creatorcontrib>Vasko, I. Y.</creatorcontrib><creatorcontrib>Verniero, J. L.</creatorcontrib><collection>Institute of Physics Open Access Journal Titles</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Astrophysical journal. Letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mozer, F. S.</au><au>Vasko, I. Y.</au><au>Verniero, J. L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Triggered Ion-acoustic Waves in the Solar Wind</atitle><jtitle>Astrophysical journal. Letters</jtitle><stitle>APJL</stitle><addtitle>Astrophys. J. Lett</addtitle><date>2021-09-01</date><risdate>2021</risdate><volume>919</volume><issue>1</issue><spage>L2</spage><pages>L2-</pages><issn>2041-8205</issn><eissn>2041-8213</eissn><abstract>For more than 12 hr beginning on 2021 January 18, continuous narrowband electrostatic emissions were observed on the Parker Solar Probe near 20 solar radii. The observed <1000 Hz frequencies were well below the local ion-plasma frequency. Surprisingly, the emissions consisted of electrostatic wave packets with shock-like envelopes, appearing repetitively at a ∼1.5 Hz rate. This repetitiveness correlated and was in phase with low-frequency electromagnetic fluctuations. The emissions were associated with simultaneously observed ion beams and conditions favorable for ion-acoustic wave excitation, i.e., Te/Ti ∼ 5. Based on this information and on their velocity estimates of about 100 km s
−1
, these electrostatic emissions are interpreted as ion-acoustic waves. Their observation demonstrates a new regime of instability and evolution of oblique ion-acoustic waves that have not been reported previously in theory or experiment.</abstract><cop>Austin</cop><pub>The American Astronomical Society</pub><doi>10.3847/2041-8213/ac2259</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-4974-4786</orcidid><orcidid>https://orcid.org/0000-0002-2011-8140</orcidid><orcidid>https://orcid.org/0000-0003-1138-652X</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2041-8205 |
| ispartof | Astrophysical journal. Letters, 2021-09, Vol.919 (1), p.L2 |
| issn | 2041-8205 2041-8213 |
| language | eng |
| recordid | cdi_proquest_journals_2574788577 |
| source | Institute of Physics Open Access Journal Titles; EZB-FREE-00999 freely available EZB journals; IOPscience extra; Alma/SFX Local Collection |
| subjects | Acoustic waves Acoustics Electrostatic waves Emissions Ion beams Narrowband Plasma frequencies Solar coronal waves Solar probes Solar wind Velocity estimation Wave excitation Wave packets |
| title | Triggered Ion-acoustic Waves in the Solar Wind |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-29T04%3A05%3A04IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_iop_j&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Triggered%20Ion-acoustic%20Waves%20in%20the%20Solar%20Wind&rft.jtitle=Astrophysical%20journal.%20Letters&rft.au=Mozer,%20F.%20S.&rft.date=2021-09-01&rft.volume=919&rft.issue=1&rft.spage=L2&rft.pages=L2-&rft.issn=2041-8205&rft.eissn=2041-8213&rft_id=info:doi/10.3847/2041-8213/ac2259&rft_dat=%3Cproquest_iop_j%3E2574788577%3C/proquest_iop_j%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2574788577&rft_id=info:pmid/&rfr_iscdi=true |