A 95 GHz methanol emission survey toward eight small supernova remnants
We report on a 95 GHz（80-71A＋） methanol（CH3OH） emission survey with the Purple Mountain Observatory Delingha 13.7 m telescope. Eight supernova remnants（SNRs） with angular size〈10′ were observed, but emission was only detected in three SNRs near the Galactic center（Sgr A East,G 0.1–0.1 and G 359.92–0...
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| Veröffentlicht in: | Research in astronomy and astrophysics 2017-12, Vol.17 (12), p.65-76 |
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| creator | Li, Ying-Jie Xu, Ye Chen, Xi Lu, Deng-Rong Sun, Yan Du, Xin-Yu Shen, Zhi-Qiang |
| description | We report on a 95 GHz（80-71A＋） methanol（CH3OH） emission survey with the Purple Mountain Observatory Delingha 13.7 m telescope. Eight supernova remnants（SNRs） with angular size〈10′ were observed, but emission was only detected in three SNRs near the Galactic center（Sgr A East,G 0.1–0.1 and G 359.92–0.09）. CH3OH emission mainly surrounds the SNRs and can be decomposed into nine spatial peaks with the velocity range of eight peaks being（-30, 70） km s-1, and the other is（70, 120） km s-1. They are probably excited by interaction with these SNRs and adjacent molecular gas in the central molecular zone（CMZ）, although star formation may play an important role in exciting CH3OH emission in some regions of CMZ. We infer that tidal action is unlikely to be an excitation source for CH3OH emission. |
| doi_str_mv | 10.1088/1674-4527/17/12/125 |
| format | Article |
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Eight supernova remnants（SNRs） with angular size〈10′ were observed, but emission was only detected in three SNRs near the Galactic center（Sgr A East,G 0.1–0.1 and G 359.92–0.09）. CH3OH emission mainly surrounds the SNRs and can be decomposed into nine spatial peaks with the velocity range of eight peaks being（-30, 70） km s-1, and the other is（70, 120） km s-1. They are probably excited by interaction with these SNRs and adjacent molecular gas in the central molecular zone（CMZ）, although star formation may play an important role in exciting CH3OH emission in some regions of CMZ. We infer that tidal action is unlikely to be an excitation source for CH3OH emission.</description><identifier>ISSN: 1674-4527</identifier><identifier>EISSN: 2397-6209</identifier><identifier>DOI: 10.1088/1674-4527/17/12/125</identifier><language>eng</language><publisher>Beijing: National Astronomical Observatories, CAS and IOP Publishing Ltd</publisher><subject>Emission ; Galaxy: center ; ISM: clouds ; ISM: kinematics and dynamics ; ISM: molecules ; ISM: supernova remnants ; Methanol ; Molecular gases ; Mountains ; Polls & surveys ; Star & galaxy formation ; Star formation ; Supernova ; Supernova remnants</subject><ispartof>Research in astronomy and astrophysics, 2017-12, Vol.17 (12), p.65-76</ispartof><rights>2017 National Astronomical Observatories, CAS and IOP Publishing Ltd.</rights><rights>Copyright IOP Publishing Dec 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c419t-5803939f8b92d63a0ad9e94bfa3bcd04554e1f228f4a0e0c164234ab23e82cac3</citedby><cites>FETCH-LOGICAL-c419t-5803939f8b92d63a0ad9e94bfa3bcd04554e1f228f4a0e0c164234ab23e82cac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/94947C/94947C.jpg</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/1674-4527/17/12/125/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>315,782,786,27931,27932,53853</link.rule.ids></links><search><creatorcontrib>Li, Ying-Jie</creatorcontrib><creatorcontrib>Xu, Ye</creatorcontrib><creatorcontrib>Chen, Xi</creatorcontrib><creatorcontrib>Lu, Deng-Rong</creatorcontrib><creatorcontrib>Sun, Yan</creatorcontrib><creatorcontrib>Du, Xin-Yu</creatorcontrib><creatorcontrib>Shen, Zhi-Qiang</creatorcontrib><title>A 95 GHz methanol emission survey toward eight small supernova remnants</title><title>Research in astronomy and astrophysics</title><addtitle>Chinese Journal of Astronomy and Astrophysics</addtitle><description>We report on a 95 GHz（80-71A＋） methanol（CH3OH） emission survey with the Purple Mountain Observatory Delingha 13.7 m telescope. Eight supernova remnants（SNRs） with angular size〈10′ were observed, but emission was only detected in three SNRs near the Galactic center（Sgr A East,G 0.1–0.1 and G 359.92–0.09）. CH3OH emission mainly surrounds the SNRs and can be decomposed into nine spatial peaks with the velocity range of eight peaks being（-30, 70） km s-1, and the other is（70, 120） km s-1. They are probably excited by interaction with these SNRs and adjacent molecular gas in the central molecular zone（CMZ）, although star formation may play an important role in exciting CH3OH emission in some regions of CMZ. We infer that tidal action is unlikely to be an excitation source for CH3OH emission.</description><subject>Emission</subject><subject>Galaxy: center</subject><subject>ISM: clouds</subject><subject>ISM: kinematics and dynamics</subject><subject>ISM: molecules</subject><subject>ISM: supernova remnants</subject><subject>Methanol</subject><subject>Molecular gases</subject><subject>Mountains</subject><subject>Polls & surveys</subject><subject>Star & galaxy formation</subject><subject>Star formation</subject><subject>Supernova</subject><subject>Supernova remnants</subject><issn>1674-4527</issn><issn>2397-6209</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kF9LwzAUxYMoOKefwJeg-FiXv23yOIZuwsAXfQ5pm24dbdIl3WT79GZsbC8iHLgP93fPPRwAHjF6xUiIEU4zljBOshGOIlH8CgwIlVmSEiSvweBM3IK7EFYIpZynZACmYyg5nM72sDX9UlvXQNPWIdTOwrDxW7ODvfvRvoSmXix7GFrdNHHTGW_dVkNvWqttH-7BTaWbYB5Ocwi-39--JrNk_jn9mIznScGw7BMuEJVUViKXpEypRrqURrK80jQvSsQ4ZwZXhIiKaWRQgVNGKNM5oUaQQhd0CJ6Pvp13640JvVq5jbfxpSKUZ1wSSkSk6JEqvAvBm0p1vm613ymM1KExdehDHfpQOIpE8Xj1cryqXXex9VpfGNWVVeRGf3D_Oz-d8iydXaxruzgHijQVHGFOfwEOFYPJ</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Li, Ying-Jie</creator><creator>Xu, Ye</creator><creator>Chen, Xi</creator><creator>Lu, Deng-Rong</creator><creator>Sun, Yan</creator><creator>Du, Xin-Yu</creator><creator>Shen, Zhi-Qiang</creator><general>National Astronomical Observatories, CAS and IOP Publishing Ltd</general><general>IOP Publishing</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W94</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope></search><sort><creationdate>20171201</creationdate><title>A 95 GHz methanol emission survey toward eight small supernova remnants</title><author>Li, Ying-Jie ; Xu, Ye ; Chen, Xi ; Lu, Deng-Rong ; Sun, Yan ; Du, Xin-Yu ; Shen, Zhi-Qiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c419t-5803939f8b92d63a0ad9e94bfa3bcd04554e1f228f4a0e0c164234ab23e82cac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Emission</topic><topic>Galaxy: center</topic><topic>ISM: clouds</topic><topic>ISM: kinematics and dynamics</topic><topic>ISM: molecules</topic><topic>ISM: supernova remnants</topic><topic>Methanol</topic><topic>Molecular gases</topic><topic>Mountains</topic><topic>Polls & surveys</topic><topic>Star & galaxy formation</topic><topic>Star formation</topic><topic>Supernova</topic><topic>Supernova remnants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Ying-Jie</creatorcontrib><creatorcontrib>Xu, Ye</creatorcontrib><creatorcontrib>Chen, Xi</creatorcontrib><creatorcontrib>Lu, Deng-Rong</creatorcontrib><creatorcontrib>Sun, Yan</creatorcontrib><creatorcontrib>Du, Xin-Yu</creatorcontrib><creatorcontrib>Shen, Zhi-Qiang</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-自然科学</collection><collection>中文科技期刊数据库- 镜像站点</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>Research in astronomy and astrophysics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Ying-Jie</au><au>Xu, Ye</au><au>Chen, Xi</au><au>Lu, Deng-Rong</au><au>Sun, Yan</au><au>Du, Xin-Yu</au><au>Shen, Zhi-Qiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A 95 GHz methanol emission survey toward eight small supernova remnants</atitle><jtitle>Research in astronomy and astrophysics</jtitle><addtitle>Chinese Journal of Astronomy and Astrophysics</addtitle><date>2017-12-01</date><risdate>2017</risdate><volume>17</volume><issue>12</issue><spage>65</spage><epage>76</epage><pages>65-76</pages><issn>1674-4527</issn><eissn>2397-6209</eissn><abstract>We report on a 95 GHz（80-71A＋） methanol（CH3OH） emission survey with the Purple Mountain Observatory Delingha 13.7 m telescope. Eight supernova remnants（SNRs） with angular size〈10′ were observed, but emission was only detected in three SNRs near the Galactic center（Sgr A East,G 0.1–0.1 and G 359.92–0.09）. CH3OH emission mainly surrounds the SNRs and can be decomposed into nine spatial peaks with the velocity range of eight peaks being（-30, 70） km s-1, and the other is（70, 120） km s-1. They are probably excited by interaction with these SNRs and adjacent molecular gas in the central molecular zone（CMZ）, although star formation may play an important role in exciting CH3OH emission in some regions of CMZ. We infer that tidal action is unlikely to be an excitation source for CH3OH emission.</abstract><cop>Beijing</cop><pub>National Astronomical Observatories, CAS and IOP Publishing Ltd</pub><doi>10.1088/1674-4527/17/12/125</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Emission Galaxy: center ISM: clouds ISM: kinematics and dynamics ISM: molecules ISM: supernova remnants Methanol Molecular gases Mountains Polls & surveys Star & galaxy formation Star formation Supernova Supernova remnants |
| title | A 95 GHz methanol emission survey toward eight small supernova remnants |
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