Deep Optical Emission-line Images of Nine Known and Three New Galactic Supernova Remnants
Deep optical emission-line images are presented for nine known plus three new Galactic supernova remnants (SNRs), all but one having at least one angular dimension >1°. Wide-field images taken in H α and [O iii ] λ 5007 reveal many new and surprising remnant structures including large remnant sho...
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| Veröffentlicht in: | The Astrophysical journal. Supplement series 2024-06, Vol.272 (2), p.36 |
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| creator | Fesen, Robert A. Drechsler, Marcel Strottner, Xavier Falls, Bray Sainty, Yann Martino, Nicolas Galli, Richard Ludgate, Mathew Blauensteiner, Markus Reich, Wolfgang Walker, Sean di Cicco, Dennis Mittelman, David Morgan, Curtis Kaeouach, Aziz Ettahar Rupert, Justin Benkhaldoun, Zouhair |
| description | Deep optical emission-line images are presented for nine known plus three new Galactic supernova remnants (SNRs), all but one having at least one angular dimension >1°. Wide-field images taken in H
α
and [O
iii
]
λ
5007 reveal many new and surprising remnant structures including large remnant shock extensions and “breakout” features not seen in published optical or radio data. These images represent over 12,000 individual images totaling more than 1000 hr of exposure time taken over the last 2 yr mainly using small aperture telescopes, which detected fainter nebular line emissions than published emission-line images. During the course of this imaging program, we discovered three new SNRs, namely G107.5-5.1 (the Nereides Nebula), G209.9-8.2, and G210.5+1.3, two of which have diameters >1.°5. In addition to offering greater structural detail on the nine already known SNRs, a key finding of this study is the importance of [O
iii
] emission-line imaging for mapping the complete shock emissions of Galactic SNRs. |
| doi_str_mv | 10.3847/1538-4365/ad410a |
| format | Article |
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α
and [O
iii
]
λ
5007 reveal many new and surprising remnant structures including large remnant shock extensions and “breakout” features not seen in published optical or radio data. These images represent over 12,000 individual images totaling more than 1000 hr of exposure time taken over the last 2 yr mainly using small aperture telescopes, which detected fainter nebular line emissions than published emission-line images. During the course of this imaging program, we discovered three new SNRs, namely G107.5-5.1 (the Nereides Nebula), G209.9-8.2, and G210.5+1.3, two of which have diameters >1.°5. In addition to offering greater structural detail on the nine already known SNRs, a key finding of this study is the importance of [O
iii
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α
and [O
iii
]
λ
5007 reveal many new and surprising remnant structures including large remnant shock extensions and “breakout” features not seen in published optical or radio data. These images represent over 12,000 individual images totaling more than 1000 hr of exposure time taken over the last 2 yr mainly using small aperture telescopes, which detected fainter nebular line emissions than published emission-line images. During the course of this imaging program, we discovered three new SNRs, namely G107.5-5.1 (the Nereides Nebula), G209.9-8.2, and G210.5+1.3, two of which have diameters >1.°5. In addition to offering greater structural detail on the nine already known SNRs, a key finding of this study is the importance of [O
iii
] emission-line imaging for mapping the complete shock emissions of Galactic SNRs.</description><subject>Emission</subject><subject>Emissions</subject><subject>Interstellar medium</subject><subject>Nebulae</subject><subject>Supernova</subject><subject>Supernova remnants</subject><subject>Telescopes</subject><issn>0067-0049</issn><issn>1538-4365</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>DOA</sourceid><recordid>eNp1kc1P3DAQxa2KSiwfd46Wqt6aYseOHR8rul1WRaxU4MDJmo3HNKusndq7oP73JE0FFziNZvTeb55mCDnj7KuopT7nlagLKVR1Dk5yBh_I7GV0QGaMKV0wJs0hOcp5wxjTlTAzcv8dsaerftc20NH5ts25jaHo2oB0uYUHzDR6ej22P0N8ChSCo7e_EyK9xie6gA6awUtv9j2mEB-B_sJtgLDLJ-Sjhy7j6f96TO5-zG8vLour1WJ58e2qaIRWu8KttWscrw2HSimtvZeiUagbkAaw4ig0GL82ujRSKldLbmDQccmF8xVKcUyWE9dF2Ng-tVtIf22E1v4bxPRgIQ0RO7RrpQC0VFwoIX1V140e4FWJknujmB9YnyZWn-KfPead3cR9CkN8K5iSqmZcloOKTaomxZwT-petnNnxGXa8vB0vb6dnDJbPk6WN_SsT-k22pS5taYWyvRsDfHlD9y72GTHxlcE</recordid><startdate>20240601</startdate><enddate>20240601</enddate><creator>Fesen, Robert A.</creator><creator>Drechsler, Marcel</creator><creator>Strottner, Xavier</creator><creator>Falls, Bray</creator><creator>Sainty, Yann</creator><creator>Martino, Nicolas</creator><creator>Galli, Richard</creator><creator>Ludgate, Mathew</creator><creator>Blauensteiner, Markus</creator><creator>Reich, Wolfgang</creator><creator>Walker, Sean</creator><creator>di Cicco, Dennis</creator><creator>Mittelman, David</creator><creator>Morgan, Curtis</creator><creator>Kaeouach, Aziz Ettahar</creator><creator>Rupert, Justin</creator><creator>Benkhaldoun, Zouhair</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><scope>DOA</scope><orcidid>https://orcid.org/0000-0003-3829-2056</orcidid><orcidid>https://orcid.org/0000-0002-5313-6409</orcidid><orcidid>https://orcid.org/0000-0003-1235-7173</orcidid><orcidid>https://orcid.org/0000-0001-6285-9847</orcidid><orcidid>https://orcid.org/0000-0002-7855-3292</orcidid><orcidid>https://orcid.org/0000-0002-3172-965X</orcidid><orcidid>https://orcid.org/0000-0003-2692-2321</orcidid></search><sort><creationdate>20240601</creationdate><title>Deep Optical Emission-line Images of Nine Known and Three New Galactic Supernova Remnants</title><author>Fesen, Robert A. ; Drechsler, Marcel ; Strottner, Xavier ; Falls, Bray ; Sainty, Yann ; Martino, Nicolas ; Galli, Richard ; Ludgate, Mathew ; Blauensteiner, Markus ; Reich, Wolfgang ; Walker, Sean ; di Cicco, Dennis ; Mittelman, David ; Morgan, Curtis ; Kaeouach, Aziz Ettahar ; Rupert, Justin ; Benkhaldoun, Zouhair</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-db7dcd1891a56677ff43c6e7ca49ae51e37a9fb9729446d8419a6671413df5e43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Emission</topic><topic>Emissions</topic><topic>Interstellar medium</topic><topic>Nebulae</topic><topic>Supernova</topic><topic>Supernova remnants</topic><topic>Telescopes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fesen, Robert A.</creatorcontrib><creatorcontrib>Drechsler, Marcel</creatorcontrib><creatorcontrib>Strottner, Xavier</creatorcontrib><creatorcontrib>Falls, Bray</creatorcontrib><creatorcontrib>Sainty, Yann</creatorcontrib><creatorcontrib>Martino, Nicolas</creatorcontrib><creatorcontrib>Galli, Richard</creatorcontrib><creatorcontrib>Ludgate, Mathew</creatorcontrib><creatorcontrib>Blauensteiner, Markus</creatorcontrib><creatorcontrib>Reich, Wolfgang</creatorcontrib><creatorcontrib>Walker, Sean</creatorcontrib><creatorcontrib>di Cicco, Dennis</creatorcontrib><creatorcontrib>Mittelman, David</creatorcontrib><creatorcontrib>Morgan, Curtis</creatorcontrib><creatorcontrib>Kaeouach, Aziz Ettahar</creatorcontrib><creatorcontrib>Rupert, Justin</creatorcontrib><creatorcontrib>Benkhaldoun, Zouhair</creatorcontrib><collection>IOP_英国物理学会OA刊</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><collection>DOAJ Directory of Open Access Journals</collection><jtitle>The Astrophysical journal. 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α
and [O
iii
]
λ
5007 reveal many new and surprising remnant structures including large remnant shock extensions and “breakout” features not seen in published optical or radio data. These images represent over 12,000 individual images totaling more than 1000 hr of exposure time taken over the last 2 yr mainly using small aperture telescopes, which detected fainter nebular line emissions than published emission-line images. During the course of this imaging program, we discovered three new SNRs, namely G107.5-5.1 (the Nereides Nebula), G209.9-8.2, and G210.5+1.3, two of which have diameters >1.°5. In addition to offering greater structural detail on the nine already known SNRs, a key finding of this study is the importance of [O
iii
] emission-line imaging for mapping the complete shock emissions of Galactic SNRs.</abstract><cop>Saskatoon</cop><pub>The American Astronomical Society</pub><doi>10.3847/1538-4365/ad410a</doi><tpages>44</tpages><orcidid>https://orcid.org/0000-0003-3829-2056</orcidid><orcidid>https://orcid.org/0000-0002-5313-6409</orcidid><orcidid>https://orcid.org/0000-0003-1235-7173</orcidid><orcidid>https://orcid.org/0000-0001-6285-9847</orcidid><orcidid>https://orcid.org/0000-0002-7855-3292</orcidid><orcidid>https://orcid.org/0000-0002-3172-965X</orcidid><orcidid>https://orcid.org/0000-0003-2692-2321</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Emission Emissions Interstellar medium Nebulae Supernova Supernova remnants Telescopes |
| title | Deep Optical Emission-line Images of Nine Known and Three New Galactic Supernova Remnants |
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