Subpulse Drifting of PSR J1110–5637  

作　　者：S.J.Dang L.H.Shang L.Lin Q.J.Zhi R.S.Zhao C.B.Wu Z.Y.You A.J.Dong J.T.Bai X.Xu D.D.Zhang H.Yang Q.W.Lin 

机构地区：[1]School of Physics and Electronic Science,Guizhou Normal University,Guiyang 550001,China [2]Guizhou Provincial Key Laboratory of Radio Astronomy and Data Processing,Guizhou Normal University,Guiyang 550001,China [3]School of Physics Science and Technology,Xinjiang University,Urumqi 830011,China

出　　处：《Research in Astronomy and Astrophysics》2022年第6期109-117,共9页天文和天体物理学研究（英文版）

基　　金：supported by Guizhou Province Science and Technology Foundation(No.ZK[2022]304);the National Natural Science Foundation of China(Nos.U1731238,11565010,12103013 and U1831120);the Foundation of Guizhou Provincial Education Department(No.KY(2020)003 and KY(2021)303);The Parkes radio telescope is part of the Australia Telescope National Facility which is funded by the Commonwealth of Australia for operation as a National Facility managed by CSIRO。

摘　　要：We report a detailed study of polarization characteristics and subpulse drifting in PSR J1110-5637 with the observations of the Parkes 64 m radio telescope at 1369 MHz.The observations revealed that the trailing component of the pulse profile has obvious subpulse drifting,while the leading component has no subpulse drifting.Using the two-dimensional fluctuation spectrum(2DFS),we detected three distinct emission modes in the trailing component(modes A,B and C).The emission in mode A is chaotic and indistinguishable,while modes B and C have obvious subpulse drifting.The vertical modulation periods P3of modes B and C are around the mean values of 12 P and 8 P,respectively.The subpulse drifting of PSR J1110-5637 will expand the pulsar sample with multiple subpulse drifting rates,and this will help future systematic studies on the physical origin of the subpulse drifting phenomenon.

关 键 词：(stars:)pulsars general-(stars:)pulsars individual(PSR J1110-5637)-Stars 

分 类 号：P145.6[天文地球—天体物理]