GeV Gamma-ray Counterparts of New Candidate Radio Supernova Remnants Reported in the GLEAM Survey
Recently the Galactic and Extra-galactic All-sky Murchison Widefield Array survey has published 27 new candidate radio supernova remnants (SNRs) which are located within the longitude ranges of 345{\deg} < l < 60{\deg} and 180{\deg} < l < 240{\deg}. To search for the gamma-ray counterpar...
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| creator | Mese, B. M Ergin, T |
| description | Recently the Galactic and Extra-galactic All-sky Murchison Widefield Array
survey has published 27 new candidate radio supernova remnants (SNRs) which are
located within the longitude ranges of 345{\deg} < l < 60{\deg} and 180{\deg} <
l < 240{\deg}. To search for the gamma-ray counterparts of these candidate
radio SNRs, we analyzed 14 years of {\it Fermi}-LAT data in the energy range of
1 - 300 GeV. There are three promising SNRs; G18.9$-$1.2, G23.1$+$0.1, and
G28.3$+$0.2, which we detected at a significance level of $\sim$9$\sigma$,
$\sim$13$\sigma$, and $\sim$12$\sigma$, respectively. Here we report the
results of our morphological and spectral analyses of G18.9$-$1.2, G23.1$+$0.1,
and G28.3$+$0.2. No extended gamma-ray emission is detected for any of these
SNRs. Our analysis of the 3 SNRs' {\it Fermi}-LAT gamma-ray emission showed
that their best-fit positions (if assumed point-like) overlap with the
locations of the corresponding GLEAM counterparts. |
| doi_str_mv | 10.48550/arxiv.2305.00209 |
| format | Article |
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survey has published 27 new candidate radio supernova remnants (SNRs) which are
located within the longitude ranges of 345{\deg} < l < 60{\deg} and 180{\deg} <
l < 240{\deg}. To search for the gamma-ray counterparts of these candidate
radio SNRs, we analyzed 14 years of {\it Fermi}-LAT data in the energy range of
1 - 300 GeV. There are three promising SNRs; G18.9$-$1.2, G23.1$+$0.1, and
G28.3$+$0.2, which we detected at a significance level of $\sim$9$\sigma$,
$\sim$13$\sigma$, and $\sim$12$\sigma$, respectively. Here we report the
results of our morphological and spectral analyses of G18.9$-$1.2, G23.1$+$0.1,
and G28.3$+$0.2. No extended gamma-ray emission is detected for any of these
SNRs. Our analysis of the 3 SNRs' {\it Fermi}-LAT gamma-ray emission showed
that their best-fit positions (if assumed point-like) overlap with the
locations of the corresponding GLEAM counterparts.</description><identifier>DOI: 10.48550/arxiv.2305.00209</identifier><language>eng</language><subject>Physics - High Energy Astrophysical Phenomena</subject><creationdate>2023-04</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,776,881</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2305.00209$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2305.00209$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Mese, B. M</creatorcontrib><creatorcontrib>Ergin, T</creatorcontrib><title>GeV Gamma-ray Counterparts of New Candidate Radio Supernova Remnants Reported in the GLEAM Survey</title><description>Recently the Galactic and Extra-galactic All-sky Murchison Widefield Array
survey has published 27 new candidate radio supernova remnants (SNRs) which are
located within the longitude ranges of 345{\deg} < l < 60{\deg} and 180{\deg} <
l < 240{\deg}. To search for the gamma-ray counterparts of these candidate
radio SNRs, we analyzed 14 years of {\it Fermi}-LAT data in the energy range of
1 - 300 GeV. There are three promising SNRs; G18.9$-$1.2, G23.1$+$0.1, and
G28.3$+$0.2, which we detected at a significance level of $\sim$9$\sigma$,
$\sim$13$\sigma$, and $\sim$12$\sigma$, respectively. Here we report the
results of our morphological and spectral analyses of G18.9$-$1.2, G23.1$+$0.1,
and G28.3$+$0.2. No extended gamma-ray emission is detected for any of these
SNRs. Our analysis of the 3 SNRs' {\it Fermi}-LAT gamma-ray emission showed
that their best-fit positions (if assumed point-like) overlap with the
locations of the corresponding GLEAM counterparts.</description><subject>Physics - High Energy Astrophysical Phenomena</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotz81Og0AUhuHZuDDVC3DluQFwmB8Glg2paII1wcYtOTBnIokMZEpR7t5aXX2bN1_yMHaX8FhlWvMHDN_9EgvJdcy54Pk1w5LeocRhwCjgCsV48jOFCcN8hNHBnr6gQG97izNBjbYf4e00UfDjglDT4NGfy5qmMcxkofcwfxCU1W77cg7DQusNu3L4eaTb_92ww-PuUDxF1Wv5XGyrCFOTR51KnNSKk-kUz1MurU5b4VSGXSulNMSN1NJkZESiWqGt1m0qMucSm_IOW7lh93-3F2MzhX7AsDa_1uZilT86i04N</recordid><startdate>20230429</startdate><enddate>20230429</enddate><creator>Mese, B. M</creator><creator>Ergin, T</creator><scope>GOX</scope></search><sort><creationdate>20230429</creationdate><title>GeV Gamma-ray Counterparts of New Candidate Radio Supernova Remnants Reported in the GLEAM Survey</title><author>Mese, B. M ; Ergin, T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a679-c41f3540e7c409603d56b2f48acb3337e0735378e7214b25d55b628ff1d60cab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Physics - High Energy Astrophysical Phenomena</topic><toplevel>online_resources</toplevel><creatorcontrib>Mese, B. M</creatorcontrib><creatorcontrib>Ergin, T</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Mese, B. M</au><au>Ergin, T</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>GeV Gamma-ray Counterparts of New Candidate Radio Supernova Remnants Reported in the GLEAM Survey</atitle><date>2023-04-29</date><risdate>2023</risdate><abstract>Recently the Galactic and Extra-galactic All-sky Murchison Widefield Array
survey has published 27 new candidate radio supernova remnants (SNRs) which are
located within the longitude ranges of 345{\deg} < l < 60{\deg} and 180{\deg} <
l < 240{\deg}. To search for the gamma-ray counterparts of these candidate
radio SNRs, we analyzed 14 years of {\it Fermi}-LAT data in the energy range of
1 - 300 GeV. There are three promising SNRs; G18.9$-$1.2, G23.1$+$0.1, and
G28.3$+$0.2, which we detected at a significance level of $\sim$9$\sigma$,
$\sim$13$\sigma$, and $\sim$12$\sigma$, respectively. Here we report the
results of our morphological and spectral analyses of G18.9$-$1.2, G23.1$+$0.1,
and G28.3$+$0.2. No extended gamma-ray emission is detected for any of these
SNRs. Our analysis of the 3 SNRs' {\it Fermi}-LAT gamma-ray emission showed
that their best-fit positions (if assumed point-like) overlap with the
locations of the corresponding GLEAM counterparts.</abstract><doi>10.48550/arxiv.2305.00209</doi><oa>free_for_read</oa></addata></record> |
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| title | GeV Gamma-ray Counterparts of New Candidate Radio Supernova Remnants Reported in the GLEAM Survey |
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