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      "name": "STEREO Stream Interaction Region List",
        
      "dateModified": "2026-02-02",
      
    "identifier": "https://doi.org/10.48322/s7mq-ns41",
    "publication": "L. Jian, STEREO Stream Interaction Region List,  (2022)",
    "datePublished": "2022-01-01",
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    "description": "This catalog has a list of stream interaction regions \n(SIR's) observed by STEREO-A and/or STEREO-B between March 2007 and March \n2009.  For each of the ~145 STEREO A or B observations, the following \ninformation is given: event start time, time of the peak pressure, event \nend time, maximum values of pressure, magnetic field magnitude, proton \ndensity and flow speed, and minimum flow speed.  It is expected that this \nlist, given in both PDF and Excel formats, will be updated periodically.",
    "abstract": "This catalog has a list of stream interaction regions \n(SIR's) observed by STEREO-A and/or STEREO-B between March 2007 and March \n2009.  For each of the ~145 STEREO A or B observations, the following \ninformation is given: event start time, time of the peak pressure, event \nend time, maximum values of pressure, magnetic field magnitude, proton \ndensity and flow speed, and minimum flow speed.  It is expected that this \nlist, given in both PDF and Excel formats, will be updated periodically.",
    
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                <xhtml:img class="usa-banner__header-flag" height="10px" width="20px" src="/logos/us_flag_small.png" alt="USA flag"/> An official website of the United States government
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        <xhtml:div class="header">
            <xhtml:div class="middle">HDPWS</xhtml:div>
        </xhtml:div>
        <xhtml:div class="page">
            <xhtml:div class="spase">
                <xhtml:div class="abstract">
                    <xhtml:div class="access">
                        <xhtml:p class="box-title">MetadataRightsList Access</xhtml:p>
                        <xhtml:ul class="list">
                            <xhtml:li class="list">
                                <xhtml:a target="_blank" href="https://stereo-ssc.nascom.nasa.gov/data/ins_data/impact/level3/STEREO_Level3_SIR.pdf">SIR list, PDF version</xhtml:a>
                            </xhtml:li>
                        </xhtml:ul>
                    </xhtml:div>
                    <xhtml:div class="citation inset">
                        <xhtml:h1>
                            <xhtml:a name="spase://NASA/Catalog/STEREO/SIRs.List">STEREO Stream Interaction Region List</xhtml:a>
                        </xhtml:h1>
                        <xhtml:p class="author">
                            <xhtml:script>
			  var authors='L. Jian'; 
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			 </xhtml:script>
			(2022). 
			STEREO Stream Interaction Region List. 
    
			[Data set].
		NASA, STEREO Science Center. 
			<xhtml:a href="https://doi.org/10.48322/s7mq-ns41">https://doi.org/10.48322/s7mq-ns41</xhtml:a>. Accessed on <xhtml:script>document.write(currentDateStr);</xhtml:script>.
                <xhtml:br/>
                            <xhtml:br/>
                Note: Proper references, including 
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			    or <xhtml:a href="https://citeas.org/cite/https://doi.org/10.48322/s7mq-ns41">other formats</xhtml:a>, should include the "Accessed on date" to identify the version of the resource being cited in a given publication. 
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                        <xhtml:p>
                            <xhtml:div class="term">ResourceID</xhtml:div>
                            <xhtml:div class="definition">spase://NASA/Catalog/STEREO/SIRs.List</xhtml:div>
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                        <xhtml:p>
                            <xhtml:div class="term">Description</xhtml:div>
                            <xhtml:div class="definition">This catalog has a list of stream interaction regions 
(SIR's) observed by STEREO-A and/or STEREO-B between March 2007 and March 
2009.  For each of the ~145 STEREO A or B observations, the following 
information is given: event start time, time of the peak pressure, event 
end time, maximum values of pressure, magnetic field magnitude, proton 
density and flow speed, and minimum flow speed.  It is expected that this 
list, given in both PDF and Excel formats, will be updated periodically.</xhtml:div>
                        </xhtml:p>
                        <xhtml:p>
                            <xhtml:div class="term">Metadata Rights</xhtml:div>
                            <xhtml:div class="definition">CC0-1.0: 
              <xhtml:a href="https://spdx.org/licenses/CC0-1.0.html" target="_blank">Creative Commons Zero v1.0 Universal</xhtml:a>
                                <xhtml:div class="term">Note</xhtml:div>
                                <xhtml:div class="definition">CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions. The actual data/software may be subject to a different license.
              </xhtml:div>
                            </xhtml:div>
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                    <xhtml:p class="right">
                        <xhtml:a target="_blank" href="/WS/hdp/1/Spase?ResourceID=spase://NASA/Catalog/STEREO/SIRs.List&amp;Format=spase_xml" download="SIRs.List.xml">View XML</xhtml:a> |
              <xhtml:a target="_blank" href="https://spase-editor.heliocloud.org/?edit=https://heliophysicsdata.gsfc.nasa.gov/WS/hdp/1/Spase?ResourceID=spase://NASA/Catalog/STEREO/SIRs.List&amp;Format=spase_xml">Edit</xhtml:a>
                    </xhtml:p>
                    <xhtml:h1 class="detail">Details</xhtml:h1>
                </xhtml:div>
                <xhtml:div>
                    <xhtml:div class="product">
                        <xhtml:p class="version">Version:2.7.1</xhtml:p>
                        <xhtml:h1>Catalog</xhtml:h1>
                        <xhtml:div class="term">ResourceID</xhtml:div>
                        <xhtml:div class="definition">spase://NASA/Catalog/STEREO/SIRs.List</xhtml:div>
                        <xhtml:div class="term">NamingAuthority</xhtml:div>
                        <xhtml:div class="definition">NASA</xhtml:div>
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                        <xhtml:div class="definition">
                            <xhtml:div class="term">ResourceName</xhtml:div>
                            <xhtml:div class="definition">STEREO Stream Interaction Region List</xhtml:div>
                            <xhtml:div class="term">DOI</xhtml:div>
                            <xhtml:div class="definition">https://doi.org/10.48322/s7mq-ns41</xhtml:div>
                            <xhtml:div class="term">ReleaseDate</xhtml:div>
                            <xhtml:div class="definition">2026-02-02 13:10:25Z</xhtml:div>
                            <xhtml:div class="term">RevisionHistory</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">RevisionEvent</xhtml:div>
                                <xhtml:div class="definition">
                                    <xhtml:div class="term">ReleaseDate</xhtml:div>
                                    <xhtml:div class="definition">2023-05-11 12:34:56.789</xhtml:div>
                                    <xhtml:div class="term">Note</xhtml:div>
                                    <xhtml:div class="definition">Updated to SPASE Version 2.5.0 if needed, fix broken URL, Added DOI information, JMW</xhtml:div>
                                </xhtml:div>
                                <xhtml:div class="term">RevisionEvent</xhtml:div>
                                <xhtml:div class="definition">
                                    <xhtml:div class="term">ReleaseDate</xhtml:div>
                                    <xhtml:div class="definition">2023-09-28 02:41:00Z</xhtml:div>
                                    <xhtml:div class="term">Note</xhtml:div>
                                    <xhtml:div class="definition">Updated Authors</xhtml:div>
                                </xhtml:div>
                                <xhtml:div class="term">RevisionEvent</xhtml:div>
                                <xhtml:div class="definition">
                                    <xhtml:div class="term">ReleaseDate</xhtml:div>
                                    <xhtml:div class="definition">2025-10-15 19:44:58</xhtml:div>
                                    <xhtml:div class="term">Note</xhtml:div>
                                    <xhtml:div class="definition">10 Parameters added by Olga Uritskaya</xhtml:div>
                                </xhtml:div>
                                <xhtml:div class="term">RevisionEvent</xhtml:div>
                                <xhtml:div class="definition">
                                    <xhtml:div class="term">ReleaseDate</xhtml:div>
                                    <xhtml:div class="definition">2026-02-02 13:10:25Z</xhtml:div>
                                    <xhtml:div class="term">Note</xhtml:div>
                                    <xhtml:div class="definition">Added MetadataRightsList and RightsList(s). Added ResourceType and NamingAuthority. Updated to 2.7.1. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. ZCB</xhtml:div>
                                </xhtml:div>
                            </xhtml:div>
                            <xhtml:div class="term">Description</xhtml:div>
                            <xhtml:div class="definition">This catalog has a list of stream interaction regions 
(SIR's) observed by STEREO-A and/or STEREO-B between March 2007 and March 
2009.  For each of the ~145 STEREO A or B observations, the following 
information is given: event start time, time of the peak pressure, event 
end time, maximum values of pressure, magnetic field magnitude, proton 
density and flow speed, and minimum flow speed.  It is expected that this 
list, given in both PDF and Excel formats, will be updated periodically.</xhtml:div>
                            <xhtml:div class="term">Acknowledgement</xhtml:div>
                            <xhtml:div class="definition">STEREO IMPACT/Magnetometer Team</xhtml:div>
                            <xhtml:div class="term">PublicationInfo</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">Authors</xhtml:div>
                                <xhtml:div class="definition">L. Jian</xhtml:div>
                                <xhtml:div class="term">PublicationDate</xhtml:div>
                                <xhtml:div class="definition">2022-01-01 00:00:00</xhtml:div>
                                <xhtml:div class="term">PublishedBy</xhtml:div>
                                <xhtml:div class="definition">NASA, STEREO Science Center</xhtml:div>
                            </xhtml:div>
                            <xhtml:div class="term">Contacts</xhtml:div>
                            <xhtml:div class="definition">
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                                        <xhtml:th class="center">Role</xhtml:th>
                                        <xhtml:th class="center">Person</xhtml:th>
                                        <xhtml:th class="center">StartDate</xhtml:th>
                                        <xhtml:th class="center">StopDate</xhtml:th>
                                        <xhtml:th class="center">Note</xhtml:th>
                                    </xhtml:tr>
                                    <xhtml:tbody>
                                        <xhtml:tr>
                                            <xhtml:td>1.</xhtml:td>
                                            <xhtml:td>GeneralContact</xhtml:td>
                                            <xhtml:td>
                                                <xhtml:a target="_blank" href="https://spase-metadata.org/SMWG/Person/Lan.Jian.html">spase://SMWG/Person/Lan.Jian</xhtml:a>
                                            </xhtml:td>
                                            <xhtml:td/>
                                            <xhtml:td/>
                                            <xhtml:td/>
                                        </xhtml:tr>
                                        <xhtml:tr>
                                            <xhtml:td>2.</xhtml:td>
                                            <xhtml:td>MetadataContact</xhtml:td>
                                            <xhtml:td>
                                                <xhtml:a target="_blank" href="https://spase-metadata.org/SMWG/Person/Olga.Y.Uritskaya.html">spase://SMWG/Person/Olga.Y.Uritskaya</xhtml:a>
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                                            <xhtml:td/>
                                            <xhtml:td/>
                                            <xhtml:td/>
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                                <xhtml:p/>
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                            <xhtml:div class="term">InformationURL</xhtml:div>
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                                <xhtml:div class="term">Name</xhtml:div>
                                <xhtml:div class="definition">STEREO L3 data page</xhtml:div>
                                <xhtml:div class="term">URL</xhtml:div>
                                <xhtml:div class="definition">
                                    <xhtml:a target="_blank" href="https://stereo-ssc.nascom.nasa.gov/data/ins_data/impact/level3/">https://stereo-ssc.nascom.nasa.gov/data/ins_data/impact/level3/</xhtml:a>
                                </xhtml:div>
                            </xhtml:div>
                            <xhtml:div class="term">PriorIDs</xhtml:div>
                            <xhtml:div class="definition">spase://VSPO/Catalog/STEREO_SIR_List</xhtml:div>
                            <xhtml:div class="definition">spase://VSPO/Catalog/STEREO/SIRs.List</xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="term">AccessInformation</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">RepositoryID</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:a href="https://spase-metadata.org/SMWG/Repository/NASA/GSFC/STEREO_SC.html">spase://SMWG/Repository/NASA/GSFC/STEREO_SC</xhtml:a>
                            </xhtml:div>
                            <xhtml:div class="term">Availability</xhtml:div>
                            <xhtml:div class="definition">Online</xhtml:div>
                            <xhtml:div class="term">AccessRights</xhtml:div>
                            <xhtml:div class="definition">Open</xhtml:div>
                            <xhtml:div class="term">RightsList</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">Rights</xhtml:div>
                                <xhtml:div class="definition">
                                    <xhtml:div class="term">SchemeURI</xhtml:div>
                                    <xhtml:div class="definition">https://spdx.org/licenses/</xhtml:div>
                                    <xhtml:div class="term">RightsIdentifierScheme</xhtml:div>
                                    <xhtml:div class="definition">SPDX</xhtml:div>
                                    <xhtml:div class="term">RightsIdentifier</xhtml:div>
                                    <xhtml:div class="definition">CC0-1.0</xhtml:div>
                                    <xhtml:div class="term">RightsURI</xhtml:div>
                                    <xhtml:div class="definition">https://spdx.org/licenses/CC0-1.0.html</xhtml:div>
                                    <xhtml:div class="term">RightsName</xhtml:div>
                                    <xhtml:div class="definition">Creative Commons Zero v1.0 Universal</xhtml:div>
                                    <xhtml:div class="term">Note</xhtml:div>
                                    <xhtml:div class="definition">CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products</xhtml:div>
                                </xhtml:div>
                            </xhtml:div>
                            <xhtml:div class="term">AccessURL</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">Name</xhtml:div>
                                <xhtml:div class="definition">SIR list, PDF version</xhtml:div>
                                <xhtml:div class="term">URL</xhtml:div>
                                <xhtml:div class="definition">
                                    <xhtml:a target="_blank" href="https://stereo-ssc.nascom.nasa.gov/data/ins_data/impact/level3/STEREO_Level3_SIR.pdf">https://stereo-ssc.nascom.nasa.gov/data/ins_data/impact/level3/STEREO_Level3_SIR.pdf</xhtml:a>
                                </xhtml:div>
                                <xhtml:div class="term">Description</xhtml:div>
                                <xhtml:div class="definition">For Excel version, go to Information URL above</xhtml:div>
                            </xhtml:div>
                            <xhtml:div class="term">Format</xhtml:div>
                            <xhtml:div class="definition">Text</xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="term">InstrumentIDs</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:a target="_blank" href="https://spase-metadata.org/SMWG/Instrument/STEREO-A/IMPACT/MAG.html">spase://SMWG/Instrument/STEREO-A/IMPACT/MAG</xhtml:a>
                        </xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:a target="_blank" href="https://spase-metadata.org/SMWG/Instrument/STEREO-B/IMPACT/MAG.html">spase://SMWG/Instrument/STEREO-B/IMPACT/MAG</xhtml:a>
                        </xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:a target="_blank" href="https://spase-metadata.org/SMWG/Instrument/STEREO-A/PLASTIC.html">spase://SMWG/Instrument/STEREO-A/PLASTIC</xhtml:a>
                        </xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:a target="_blank" href="https://spase-metadata.org/SMWG/Instrument/STEREO-B/PLASTIC.html">spase://SMWG/Instrument/STEREO-B/PLASTIC</xhtml:a>
                        </xhtml:div>
                        <xhtml:div class="term">PhenomenonType</xhtml:div>
                        <xhtml:div class="definition">StreamInteractionRegion</xhtml:div>
                        <xhtml:div class="term">TimeSpan</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">StartDate</xhtml:div>
                            <xhtml:div class="definition">2007-03-04 00:00:00</xhtml:div>
                            <xhtml:div class="term">RelativeStopDate</xhtml:div>
                            <xhtml:div class="definition">-P6M</xhtml:div>
                            <xhtml:div class="term">Note</xhtml:div>
                            <xhtml:div class="definition">As of October 2009, SIR's through March 2009 were included</xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="parameter">Parameter #1</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">Name</xhtml:div>
                            <xhtml:div class="definition">Compari son pair #</xhtml:div>
                            <xhtml:div class="term">Support</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">SupportQuantity</xhtml:div>
                                <xhtml:div class="definition">Housekeeping</xhtml:div>
                            </xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="parameter">Parameter #2</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">Name</xhtml:div>
                            <xhtml:div class="definition"># of Spacecraft</xhtml:div>
                            <xhtml:div class="term">Support</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">SupportQuantity</xhtml:div>
                                <xhtml:div class="definition">Other</xhtml:div>
                            </xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="parameter">Parameter #3</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">Name</xhtml:div>
                            <xhtml:div class="definition">Start time [Doy Month/Day]</xhtml:div>
                            <xhtml:div class="term">Support</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">SupportQuantity</xhtml:div>
                                <xhtml:div class="definition">Temporal</xhtml:div>
                            </xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="parameter">Parameter #4</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">Name</xhtml:div>
                            <xhtml:div class="definition">End time</xhtml:div>
                            <xhtml:div class="term">Support</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">SupportQuantity</xhtml:div>
                                <xhtml:div class="definition">Temporal</xhtml:div>
                            </xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="parameter">Parameter #5</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">Name</xhtml:div>
                            <xhtml:div class="definition">Ptmax time</xhtml:div>
                            <xhtml:div class="term">Description</xhtml:div>
                            <xhtml:div class="definition">Ptmax time: approximate stream interface time, because it is where the forces at the two sides of the interface are equal and in opposite directions.</xhtml:div>
                            <xhtml:div class="term">Support</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">SupportQuantity</xhtml:div>
                                <xhtml:div class="definition">Temporal</xhtml:div>
                            </xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="parameter">Parameter #6</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">Name</xhtml:div>
                            <xhtml:div class="definition">Ptmax [pPa]</xhtml:div>
                            <xhtml:div class="term">Support</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">SupportQuantity</xhtml:div>
                                <xhtml:div class="definition">Other</xhtml:div>
                            </xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="parameter">Parameter #7</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">Name</xhtml:div>
                            <xhtml:div class="definition">Bmax [nT]</xhtml:div>
                            <xhtml:div class="term">Support</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">SupportQuantity</xhtml:div>
                                <xhtml:div class="definition">Other</xhtml:div>
                            </xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="parameter">Parameter #8</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">Name</xhtml:div>
                            <xhtml:div class="definition">Npmax [cm-3]</xhtml:div>
                            <xhtml:div class="term">Description</xhtml:div>
                            <xhtml:div class="definition">Npmax: maximum proton number density</xhtml:div>
                            <xhtml:div class="term">Support</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">SupportQuantity</xhtml:div>
                                <xhtml:div class="definition">Other</xhtml:div>
                            </xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="parameter">Parameter #9</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">Name</xhtml:div>
                            <xhtml:div class="definition">Vmin [km/s]</xhtml:div>
                            <xhtml:div class="term">Support</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">SupportQuantity</xhtml:div>
                                <xhtml:div class="definition">Velocity</xhtml:div>
                            </xhtml:div>
                        </xhtml:div>
                        <xhtml:div class="parameter">Parameter #10</xhtml:div>
                        <xhtml:div class="definition">
                            <xhtml:div class="term">Name</xhtml:div>
                            <xhtml:div class="definition">Vmax [km/s]</xhtml:div>
                            <xhtml:div class="term">Support</xhtml:div>
                            <xhtml:div class="definition">
                                <xhtml:div class="term">SupportQuantity</xhtml:div>
                                <xhtml:div class="definition">Velocity</xhtml:div>
                            </xhtml:div>
                        </xhtml:div>
                    </xhtml:div>
                </xhtml:div>
            </xhtml:div>
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                <xhtml:div class="footer-item">Responsible NASA Official: <xhtml:a style="all: revert" href="mailto:Lan.Jian@nasa.gov">Lan Jian</xhtml:a>
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                    <xhtml:a style="all:revert" href="https://ror.org/00ryjtt64">SPDF ROR ID</xhtml:a>
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                    <xhtml:a style="all:revert" href="https://www.re3data.org/repository/r3d100010168">SPDF re3data ID</xhtml:a>
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                    <xhtml:span>Last Updated: 2026-02-02</xhtml:span>
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