Burst Phase Distribution of SGR J1935+2154 Based on Insight-HXMT
On 2020 April 27, the soft gamma-ray repeater SGR J1935+2154 entered its intense outburst episode again. Insight-HXMT carried out about one month observation of the source. A total number of 75 bursts were detected during this activity episode by Insight-HXMT, and persistent emission data were also...
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| Veröffentlicht in: | Research in astronomy and astrophysics 2023-03, Vol.23 (3), p.35007 |
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| container_title | Research in astronomy and astrophysics |
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| creator | Lu, Xue-Feng Song, Li-Ming Ge, Ming-Yu Tuo, You-Li Zhang, Shuang-Nan Qu, Jin-Lu Cai, Ce Xie, Sheng-Lun Liu, Cong-Zhan Li, Cheng-Kui Fu, Yu-Cong Xu, Ying-Chen Li, Tian-Ming |
| description | On 2020 April 27, the soft gamma-ray repeater SGR J1935+2154 entered its intense outburst episode again. Insight-HXMT carried out about one month observation of the source. A total number of 75 bursts were detected during this activity episode by Insight-HXMT, and persistent emission data were also accumulated. We report on the spin period search result and the phase distribution of burst start times and burst photon arrival times of the Insight-HXMT high energy detectors and Fermi/Gamma-ray Burst Monitor (GBM). We find that the distribution of burst start times is uniform within its spin phase for both Insight-HXMT and Fermi/GBM observations, whereas the phase distribution of burst photons is related to the type of a burst’s energy spectrum. The bursts with the same spectrum have different distribution characteristics in the initial and decay episodes for the activity of magnetar SGR J1935+2154. |
| doi_str_mv | 10.1088/1674-4527/acb250 |
| format | Article |
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Insight-HXMT carried out about one month observation of the source. A total number of 75 bursts were detected during this activity episode by Insight-HXMT, and persistent emission data were also accumulated. We report on the spin period search result and the phase distribution of burst start times and burst photon arrival times of the Insight-HXMT high energy detectors and Fermi/Gamma-ray Burst Monitor (GBM). We find that the distribution of burst start times is uniform within its spin phase for both Insight-HXMT and Fermi/GBM observations, whereas the phase distribution of burst photons is related to the type of a burst’s energy spectrum. The bursts with the same spectrum have different distribution characteristics in the initial and decay episodes for the activity of magnetar SGR J1935+2154.</description><identifier>ISSN: 1674-4527</identifier><identifier>EISSN: 2397-6209</identifier><identifier>DOI: 10.1088/1674-4527/acb250</identifier><language>eng</language><publisher>Beijing: National Astromonical Observatories, CAS and IOP Publishing</publisher><subject>Energy spectra ; Gamma ray bursts ; Gamma rays ; Magnetars ; Phase distribution ; Photons ; physical data and processes ; radiation mechanisms: general ; radiation: dynamics</subject><ispartof>Research in astronomy and astrophysics, 2023-03, Vol.23 (3), p.35007</ispartof><rights>2023. National Astronomical Observatories, CAS and IOP Publishing Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-3123ddade3a7c864051958ac930dfee11b09fbbc4ff394ae0d3ab7baced5512a3</citedby><cites>FETCH-LOGICAL-c340t-3123ddade3a7c864051958ac930dfee11b09fbbc4ff394ae0d3ab7baced5512a3</cites><orcidid>0000-0003-3127-0110 ; 0000-0003-1272-3997 ; 0000-0003-0274-3396</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/1674-4527/acb250/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,777,781,27905,27906,53827</link.rule.ids></links><search><creatorcontrib>Lu, Xue-Feng</creatorcontrib><creatorcontrib>Song, Li-Ming</creatorcontrib><creatorcontrib>Ge, Ming-Yu</creatorcontrib><creatorcontrib>Tuo, You-Li</creatorcontrib><creatorcontrib>Zhang, Shuang-Nan</creatorcontrib><creatorcontrib>Qu, Jin-Lu</creatorcontrib><creatorcontrib>Cai, Ce</creatorcontrib><creatorcontrib>Xie, Sheng-Lun</creatorcontrib><creatorcontrib>Liu, Cong-Zhan</creatorcontrib><creatorcontrib>Li, Cheng-Kui</creatorcontrib><creatorcontrib>Fu, Yu-Cong</creatorcontrib><creatorcontrib>Xu, Ying-Chen</creatorcontrib><creatorcontrib>Li, Tian-Ming</creatorcontrib><title>Burst Phase Distribution of SGR J1935+2154 Based on Insight-HXMT</title><title>Research in astronomy and astrophysics</title><addtitle>RAA</addtitle><addtitle>Res. Astron. Astrophys</addtitle><description>On 2020 April 27, the soft gamma-ray repeater SGR J1935+2154 entered its intense outburst episode again. Insight-HXMT carried out about one month observation of the source. A total number of 75 bursts were detected during this activity episode by Insight-HXMT, and persistent emission data were also accumulated. We report on the spin period search result and the phase distribution of burst start times and burst photon arrival times of the Insight-HXMT high energy detectors and Fermi/Gamma-ray Burst Monitor (GBM). We find that the distribution of burst start times is uniform within its spin phase for both Insight-HXMT and Fermi/GBM observations, whereas the phase distribution of burst photons is related to the type of a burst’s energy spectrum. The bursts with the same spectrum have different distribution characteristics in the initial and decay episodes for the activity of magnetar SGR J1935+2154.</description><subject>Energy spectra</subject><subject>Gamma ray bursts</subject><subject>Gamma rays</subject><subject>Magnetars</subject><subject>Phase distribution</subject><subject>Photons</subject><subject>physical data and processes</subject><subject>radiation mechanisms: general</subject><subject>radiation: dynamics</subject><issn>1674-4527</issn><issn>2397-6209</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp1kDFPwzAQhS0EEqWwM1piYIDQsy9O4g1aoBQVgaBIbJYT2zQVNMFOBv49qYJggemG97130kfIIYMzBlk2YkkaR7Hg6UgXORewRQYcZRolHOQ2GfzEu2QvhBVAIkTCB-R83PrQ0IelDpZelqHxZd42ZbWmlaNP00d6yySKE85ETMcdY2gXzdahfF020c3L3WKf7Dj9FuzB9x2S5-urxeQmmt9PZ5OLeVRgDE2EjKMx2ljUaZElMQgmRaYLiWCctYzlIF2eF7FzKGNtwaDO01wX1gjBuMYhOep3a199tDY0alW1ft29VDzNUAqEBDsKeqrwVQjeOlX78l37T8VAbTypjQi1EaF6T13luK-UVf276bVWHBUqQAGQqtq4jjz9g_x3-AuAinN_</recordid><startdate>20230301</startdate><enddate>20230301</enddate><creator>Lu, Xue-Feng</creator><creator>Song, Li-Ming</creator><creator>Ge, Ming-Yu</creator><creator>Tuo, You-Li</creator><creator>Zhang, Shuang-Nan</creator><creator>Qu, Jin-Lu</creator><creator>Cai, Ce</creator><creator>Xie, Sheng-Lun</creator><creator>Liu, Cong-Zhan</creator><creator>Li, Cheng-Kui</creator><creator>Fu, Yu-Cong</creator><creator>Xu, Ying-Chen</creator><creator>Li, Tian-Ming</creator><general>National Astromonical Observatories, CAS and IOP Publishing</general><general>IOP Publishing</general><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/0000-0003-3127-0110</orcidid><orcidid>https://orcid.org/0000-0003-1272-3997</orcidid><orcidid>https://orcid.org/0000-0003-0274-3396</orcidid></search><sort><creationdate>20230301</creationdate><title>Burst Phase Distribution of SGR J1935+2154 Based on Insight-HXMT</title><author>Lu, Xue-Feng ; Song, Li-Ming ; Ge, Ming-Yu ; Tuo, You-Li ; Zhang, Shuang-Nan ; Qu, Jin-Lu ; Cai, Ce ; Xie, Sheng-Lun ; Liu, Cong-Zhan ; Li, Cheng-Kui ; Fu, Yu-Cong ; Xu, Ying-Chen ; Li, Tian-Ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-3123ddade3a7c864051958ac930dfee11b09fbbc4ff394ae0d3ab7baced5512a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Energy spectra</topic><topic>Gamma ray bursts</topic><topic>Gamma rays</topic><topic>Magnetars</topic><topic>Phase distribution</topic><topic>Photons</topic><topic>physical data and processes</topic><topic>radiation mechanisms: general</topic><topic>radiation: dynamics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lu, Xue-Feng</creatorcontrib><creatorcontrib>Song, Li-Ming</creatorcontrib><creatorcontrib>Ge, Ming-Yu</creatorcontrib><creatorcontrib>Tuo, You-Li</creatorcontrib><creatorcontrib>Zhang, Shuang-Nan</creatorcontrib><creatorcontrib>Qu, Jin-Lu</creatorcontrib><creatorcontrib>Cai, Ce</creatorcontrib><creatorcontrib>Xie, Sheng-Lun</creatorcontrib><creatorcontrib>Liu, Cong-Zhan</creatorcontrib><creatorcontrib>Li, Cheng-Kui</creatorcontrib><creatorcontrib>Fu, Yu-Cong</creatorcontrib><creatorcontrib>Xu, Ying-Chen</creatorcontrib><creatorcontrib>Li, Tian-Ming</creatorcontrib><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>Research in astronomy and astrophysics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lu, Xue-Feng</au><au>Song, Li-Ming</au><au>Ge, Ming-Yu</au><au>Tuo, You-Li</au><au>Zhang, Shuang-Nan</au><au>Qu, Jin-Lu</au><au>Cai, Ce</au><au>Xie, Sheng-Lun</au><au>Liu, Cong-Zhan</au><au>Li, Cheng-Kui</au><au>Fu, Yu-Cong</au><au>Xu, Ying-Chen</au><au>Li, Tian-Ming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Burst Phase Distribution of SGR J1935+2154 Based on Insight-HXMT</atitle><jtitle>Research in astronomy and astrophysics</jtitle><stitle>RAA</stitle><addtitle>Res. Astron. Astrophys</addtitle><date>2023-03-01</date><risdate>2023</risdate><volume>23</volume><issue>3</issue><spage>35007</spage><pages>35007-</pages><issn>1674-4527</issn><eissn>2397-6209</eissn><abstract>On 2020 April 27, the soft gamma-ray repeater SGR J1935+2154 entered its intense outburst episode again. Insight-HXMT carried out about one month observation of the source. A total number of 75 bursts were detected during this activity episode by Insight-HXMT, and persistent emission data were also accumulated. We report on the spin period search result and the phase distribution of burst start times and burst photon arrival times of the Insight-HXMT high energy detectors and Fermi/Gamma-ray Burst Monitor (GBM). We find that the distribution of burst start times is uniform within its spin phase for both Insight-HXMT and Fermi/GBM observations, whereas the phase distribution of burst photons is related to the type of a burst’s energy spectrum. The bursts with the same spectrum have different distribution characteristics in the initial and decay episodes for the activity of magnetar SGR J1935+2154.</abstract><cop>Beijing</cop><pub>National Astromonical Observatories, CAS and IOP Publishing</pub><doi>10.1088/1674-4527/acb250</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-3127-0110</orcidid><orcidid>https://orcid.org/0000-0003-1272-3997</orcidid><orcidid>https://orcid.org/0000-0003-0274-3396</orcidid></addata></record> |
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| source | IOP Publishing Journals; Alma/SFX Local Collection |
| subjects | Energy spectra Gamma ray bursts Gamma rays Magnetars Phase distribution Photons physical data and processes radiation mechanisms: general radiation: dynamics |
| title | Burst Phase Distribution of SGR J1935+2154 Based on Insight-HXMT |
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