中国科学院新硅天文会XADXINJIANGASTRONOMICALOBSERVATORY.CASVarious alternatives1. NS+twisted magnetosphere (Thompson et al. 2002;Beloborodov+ 2007, 2009)2. Wind braking of magnetars (Tong et al. 2013)3. Fallback disk model (Alpar 2001)4. Accretion induced star quake model (Xu et al. 2006)5. Quark nova remnant (0uyed et al. 2007)6. Accreting WD model (Malheiro et al. 2011)
Various alternatives 1. NS+twisted magnetosphere (Thompson et al. 2002; Beloborodov+ 2007, 2009) 2. Wind braking of magnetars (Tong et al. 2013) 3. Fallback disk model (Alpar 2001) 4. Accretion induced star quake model (Xu et al. 2006) 5. Quark nova remnant (Ouyed et al. 2007) 6. Accreting WD model (Malheiro et al. 2011)
中国科学院新建天文会XADXINJIANGASTRONOMICALOBSERVATORY.CNo radio emissions frommagnetars?No radio emissions from magnetars(QEDcalculations,Baring&Harding1998)Transient pulsed radio emssions from AXP XTEJ1810-197 (Camilo et al. 2006)Peculiarities (Mereghetti2008):variablefluxandpulseprofileFlatspectraTransientin nature
No radio emissions from magnetars? No radio emissions from magnetars (QED calculations, Baring & Harding 1998) Transient pulsed radio emssions from AXP XTE J1810-197 (Camilo et al. 2006) Peculiarities (Mereghetti 2008): variable flux and pulse profile Flat spectra Transient in nature
中国科学院新建天文全XADXINJIANGASTRONOMICALOBSERVATORY.CASLevinetal.201020(Kru)KasuapxnuZH9'L510米米5米米米**+0OODQ0@OGDCE51000515005200052500530005350054000545005500020(Aru)KuuapxnuzHa151050550005495055050551005515055200MJD-(days)nganeaemMW0W00.20.40.60.8100.20.40.60.810.20.40.610.8PulsephasePulse phasePulsephase
Levin et al. 2010
中国科学院新建天文会XADXINJIANGASTRONOMICALOBSERVATORY,CASLevinetal.2012-4-5-6-7-8-9-10-1114十Single observation flux densityX车12丰Mean10中RMS(r)aX十牛++丰8车6+丰++uA2+主++0549005500055100552005530055400555005560055700MJD
Levin et al. 2012
中国科学院新天文会XADXINJIANGASTRONOMICALOBSERVATORY.CAS"Fundamental plane" of magnetar radioemissions (Rea et al. 2012)ETTTRadiopulsarsoAHigh-Bpulsars★Magnetars104OPSRJ1846LLLOpulsedradioDXemissiono0o1eRPSR111901E15471000.0PSR1734LLLL.15GR1806OSGR1627O-福?88o0CXO1714oPSR1622SGR19000★E99OSGR05261E1048XTE1810★1001E1841e★￥8CXO0100PSR1718SGR0501?RXS1708SGR18334U0142★d★CXO1647101E22591.1LLLLLLLLLLLLLLLLLL10-510-410-31100.010.1100X-ray conversion efficiency(Lx/Lro)
“Fundamental plane” of magnetar radio emissions (Rea et al. 2012)