The radiation structure of PSR B2016+28 observed with FAST
With the largest dish Five-hundred-meter Aperture Spherical radio Telescope (FAST), both the mean and single pulses of PSR B2016+28, especially including the single-pulse structure, are investigated in detail in this study. The mean pulse profiles at different frequencies can be well fitted in a con...
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| Veröffentlicht in: | Science China. Physics, mechanics & astronomy mechanics & astronomy, 2019-05, Vol.62 (5), p.959505, Article 959505 |
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| container_title | Science China. Physics, mechanics & astronomy |
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| creator | Lu, JiGuang Peng, Bo Xu, RenXin Yu, Meng Dai, Shi Zhu, WeiWei Yu, Ye-Zhao Jiang, Peng Yue, YouLing Wang, Lin |
| description | With the largest dish Five-hundred-meter Aperture Spherical radio Telescope (FAST), both the mean and single pulses of PSR B2016+28, especially including the single-pulse structure, are investigated in detail in this study. The mean pulse profiles at different frequencies can be well fitted in a conal model, and the peak separation of intensity-dependent pulse profiles increases with intensity. The integrated pulses are obviously frequency dependent (pulse width decreases by ~20% as frequency increases from 300 to 750 MHz), but the structure of single pulses changes slightly (the corresponding correlation scale decreases by only ~1%). This disparity between mean and single pulses provides independent evidence for the existence of the RS-type vacuum inner gap, indicating a strong bond between particles on the pulsar surface. Diffused drifting sub-pulses are analyzed. The results show that the modulation period along pulse series (
P
3
) is positively correlated to the separation between two adjacent sub-pulses (
P
2
). This correlation may hint a rough surface on the pulsar, eventually resulting in the irregular drift of sparks. All the observational results may have significant implications in the dynamics of pulsar magnetosphere and are discussed extensively in this paper. |
| doi_str_mv | 10.1007/s11433-019-9394-x |
| format | Article |
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P
3
) is positively correlated to the separation between two adjacent sub-pulses (
P
2
). This correlation may hint a rough surface on the pulsar, eventually resulting in the irregular drift of sparks. All the observational results may have significant implications in the dynamics of pulsar magnetosphere and are discussed extensively in this paper.</description><identifier>ISSN: 1674-7348</identifier><identifier>EISSN: 1869-1927</identifier><identifier>DOI: 10.1007/s11433-019-9394-x</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Analysis ; Astronomy ; Classical and Continuum Physics ; Collaboration ; Correlation ; Geomagnetism ; Magnetosphere ; Observations and Techniques ; Physics ; Physics and Astronomy ; Pulsar magnetospheres ; Pulsars ; Pulse duration ; Radiation ; Radio telescopes ; Science ; Separation ; Telescope ; Telescopes</subject><ispartof>Science China. Physics, mechanics & astronomy, 2019-05, Vol.62 (5), p.959505, Article 959505</ispartof><rights>Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019</rights><rights>COPYRIGHT 2019 Springer</rights><rights>Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c355t-a6ed47bb2d59d74cc73c41001f20d72dd646664d6c070ac25cde7f55b67c21363</citedby><cites>FETCH-LOGICAL-c355t-a6ed47bb2d59d74cc73c41001f20d72dd646664d6c070ac25cde7f55b67c21363</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11433-019-9394-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11433-019-9394-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Lu, JiGuang</creatorcontrib><creatorcontrib>Peng, Bo</creatorcontrib><creatorcontrib>Xu, RenXin</creatorcontrib><creatorcontrib>Yu, Meng</creatorcontrib><creatorcontrib>Dai, Shi</creatorcontrib><creatorcontrib>Zhu, WeiWei</creatorcontrib><creatorcontrib>Yu, Ye-Zhao</creatorcontrib><creatorcontrib>Jiang, Peng</creatorcontrib><creatorcontrib>Yue, YouLing</creatorcontrib><creatorcontrib>Wang, Lin</creatorcontrib><creatorcontrib>FAST Collaboration</creatorcontrib><title>The radiation structure of PSR B2016+28 observed with FAST</title><title>Science China. Physics, mechanics & astronomy</title><addtitle>Sci. China Phys. Mech. Astron</addtitle><description>With the largest dish Five-hundred-meter Aperture Spherical radio Telescope (FAST), both the mean and single pulses of PSR B2016+28, especially including the single-pulse structure, are investigated in detail in this study. The mean pulse profiles at different frequencies can be well fitted in a conal model, and the peak separation of intensity-dependent pulse profiles increases with intensity. The integrated pulses are obviously frequency dependent (pulse width decreases by ~20% as frequency increases from 300 to 750 MHz), but the structure of single pulses changes slightly (the corresponding correlation scale decreases by only ~1%). This disparity between mean and single pulses provides independent evidence for the existence of the RS-type vacuum inner gap, indicating a strong bond between particles on the pulsar surface. Diffused drifting sub-pulses are analyzed. The results show that the modulation period along pulse series (
P
3
) is positively correlated to the separation between two adjacent sub-pulses (
P
2
). This correlation may hint a rough surface on the pulsar, eventually resulting in the irregular drift of sparks. All the observational results may have significant implications in the dynamics of pulsar magnetosphere and are discussed extensively in this paper.</description><subject>Analysis</subject><subject>Astronomy</subject><subject>Classical and Continuum Physics</subject><subject>Collaboration</subject><subject>Correlation</subject><subject>Geomagnetism</subject><subject>Magnetosphere</subject><subject>Observations and Techniques</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Pulsar magnetospheres</subject><subject>Pulsars</subject><subject>Pulse duration</subject><subject>Radiation</subject><subject>Radio telescopes</subject><subject>Science</subject><subject>Separation</subject><subject>Telescope</subject><subject>Telescopes</subject><issn>1674-7348</issn><issn>1869-1927</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kMtKAzEUhoMoWLQP4C7gUlJzm6RxV4tVoaDYug6ZJNNOaSc1mdH69qaM4MqcRQ6H_zuXH4ArgkcEY3mbCOGMIUwUUkxxdDgBAzIWChFF5WnOheRIMj4-B8OUNjg_pjCXfADulmsPo3G1aevQwNTGzrZd9DBU8HXxBu8pJuKGjmEok4-f3sGvul3D2WSxvARnldkmP_z9L8D77GE5fULzl8fn6WSOLCuKFhnhHZdlSV2hnOTWSmZ5XptUFDtJnRNcCMGdsFhiY2lhnZdVUZRCWkqYYBfguu-7j-Gj86nVm9DFJo_UVOUziSDkqBr1qpXZel03VWijsTmc39U2NL6qc30iqeSKFmOcAdIDNoaUoq_0PtY7E781wfpoq-5t1dlWfbRVHzJDeyZlbbPy8W-V_6Efcvl3Fg</recordid><startdate>20190501</startdate><enddate>20190501</enddate><creator>Lu, JiGuang</creator><creator>Peng, Bo</creator><creator>Xu, RenXin</creator><creator>Yu, Meng</creator><creator>Dai, Shi</creator><creator>Zhu, WeiWei</creator><creator>Yu, Ye-Zhao</creator><creator>Jiang, Peng</creator><creator>Yue, YouLing</creator><creator>Wang, Lin</creator><general>Science China Press</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>P5Z</scope><scope>P62</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope></search><sort><creationdate>20190501</creationdate><title>The radiation structure of PSR B2016+28 observed with FAST</title><author>Lu, JiGuang ; Peng, Bo ; Xu, RenXin ; Yu, Meng ; Dai, Shi ; Zhu, WeiWei ; Yu, Ye-Zhao ; Jiang, Peng ; Yue, YouLing ; Wang, Lin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c355t-a6ed47bb2d59d74cc73c41001f20d72dd646664d6c070ac25cde7f55b67c21363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Analysis</topic><topic>Astronomy</topic><topic>Classical and Continuum Physics</topic><topic>Collaboration</topic><topic>Correlation</topic><topic>Geomagnetism</topic><topic>Magnetosphere</topic><topic>Observations and Techniques</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Pulsar magnetospheres</topic><topic>Pulsars</topic><topic>Pulse duration</topic><topic>Radiation</topic><topic>Radio telescopes</topic><topic>Science</topic><topic>Separation</topic><topic>Telescope</topic><topic>Telescopes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lu, JiGuang</creatorcontrib><creatorcontrib>Peng, Bo</creatorcontrib><creatorcontrib>Xu, RenXin</creatorcontrib><creatorcontrib>Yu, Meng</creatorcontrib><creatorcontrib>Dai, Shi</creatorcontrib><creatorcontrib>Zhu, WeiWei</creatorcontrib><creatorcontrib>Yu, Ye-Zhao</creatorcontrib><creatorcontrib>Jiang, Peng</creatorcontrib><creatorcontrib>Yue, YouLing</creatorcontrib><creatorcontrib>Wang, Lin</creatorcontrib><creatorcontrib>FAST Collaboration</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><jtitle>Science China. Physics, mechanics & astronomy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lu, JiGuang</au><au>Peng, Bo</au><au>Xu, RenXin</au><au>Yu, Meng</au><au>Dai, Shi</au><au>Zhu, WeiWei</au><au>Yu, Ye-Zhao</au><au>Jiang, Peng</au><au>Yue, YouLing</au><au>Wang, Lin</au><aucorp>FAST Collaboration</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The radiation structure of PSR B2016+28 observed with FAST</atitle><jtitle>Science China. Physics, mechanics & astronomy</jtitle><stitle>Sci. China Phys. Mech. Astron</stitle><date>2019-05-01</date><risdate>2019</risdate><volume>62</volume><issue>5</issue><spage>959505</spage><pages>959505-</pages><artnum>959505</artnum><issn>1674-7348</issn><eissn>1869-1927</eissn><abstract>With the largest dish Five-hundred-meter Aperture Spherical radio Telescope (FAST), both the mean and single pulses of PSR B2016+28, especially including the single-pulse structure, are investigated in detail in this study. The mean pulse profiles at different frequencies can be well fitted in a conal model, and the peak separation of intensity-dependent pulse profiles increases with intensity. The integrated pulses are obviously frequency dependent (pulse width decreases by ~20% as frequency increases from 300 to 750 MHz), but the structure of single pulses changes slightly (the corresponding correlation scale decreases by only ~1%). This disparity between mean and single pulses provides independent evidence for the existence of the RS-type vacuum inner gap, indicating a strong bond between particles on the pulsar surface. Diffused drifting sub-pulses are analyzed. The results show that the modulation period along pulse series (
P
3
) is positively correlated to the separation between two adjacent sub-pulses (
P
2
). This correlation may hint a rough surface on the pulsar, eventually resulting in the irregular drift of sparks. All the observational results may have significant implications in the dynamics of pulsar magnetosphere and are discussed extensively in this paper.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11433-019-9394-x</doi></addata></record> |
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| subjects | Analysis Astronomy Classical and Continuum Physics Collaboration Correlation Geomagnetism Magnetosphere Observations and Techniques Physics Physics and Astronomy Pulsar magnetospheres Pulsars Pulse duration Radiation Radio telescopes Science Separation Telescope Telescopes |
| title | The radiation structure of PSR B2016+28 observed with FAST |
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