Evolutionary Link between X-rayPulsars and Millisecond RadioPulsars李向东南京大学天文学系2009-7-30
Evolutionary Link between X-ray Pulsars and Millisecond Radio Pulsars 李向东 南京大学天文学系 2009-7-30
Radio Pulsars-Rotation Powered-1010%≤.109GC10-1Myr.VuryyoungCO10PMV..10°0pulsarscra10'M..[s10'My.J07373037B10PM..15.10My.B1913+1J0737-3037OGraveyardC.Binary20★SNRassociationsASGRIAXPRadioquietLl1010-310-210-100Period (s)
Radio Pulsars -Rotation Powered
X-ray Pulsars-Accretion PoweredHMXBsLMXBsInfalling gasCompoctobject(white dwarf,.neutronstar, orblock.hole]Companion starAccrefion diskRadiationfromoccretiondiskOrbital planeofbinorystar.systemNeutron Starr~15-50R*magneticpolkeBe StarBe/X-rayR6-20R*BinarySystem(not to scale)~7-20R*
X-ray Pulsars -Accretion Powered HMXBs LMXBs
The Recycled ScenarioNormalpulsarsSpin-up lineRecyclingMagneticFieldsMillisecond andbinary pulsarsSpin PeriodsX-ray pulsars
The Recycled Scenario X-ray pulsars Spin Periods
Millisecond X-ray PulsarsTABLE2NEUTRONSTARSPINRATESANDORBITALPERIODSObjectOrbital PeriodTypeReferenceSpin Rate(Hz)(rrin)B45229Villarreal & Strohnayer (2004)EXO0748-676P19141.1XTEJ1807-294Markwardl,Srmith,&Swank(2003)Markwardt,Juda,&Swank (2003)P43542.4XTEJ1751-305Markwardl et al. (2002)P18543.6XTEJ0929-314Galloway et al. (2002)B2704U1916-0550.0P37783.3HETEJ1900.1-2455This work401PB120.8SAXJ1808.4-3658Wijnands & van der Klis (1998)Chakrabariy & Morgan (1998)P599147.4IGRJ00291+5934Galloway el al. (2005)B5812284U1636-536314PB256.5XTEJ1814-338Markwardl, & Swank (2003)B567427X1658-298549B1137Aql X-1NoTE.P indicates millisecond pulsars, B indicates burst oscillation sources
Millisecond X-ray Pulsars