bogdanov missing link binaries

7242019 Bogdanov Missing Link Binaries

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The ldquoMissing Linkrdquo Binaries

Slavko Bogdanov



Discovered at radio frequencies- PSR B1937+21 with Arecibo

(Backer et al 1982)

Spun-up (ldquorecycledrdquo) by accretionin LMXBs (Alpar et al 1982)

Most are in binaries

Rotation-powered (ldquorecycledrdquo) millisecond pulsars



SAX J18084minusminusminusminus3658bull First accretion-powered

millisecond pulsar

( ν = 408 Hz)

Wijnands amp van der Klis 1998 Nature 394 344

Chakrabarty amp Morgan 1998 Nature 394 346



PSR J1023+0038 The ldquoMissing Linkrdquo

bull Eclipsing (ldquoredbackrdquo) binary radioMSP (P = 169 ms) discovered in 2009

bull System had accretion disk in 2001 but not after 2003

983090983088983088983089

983090983088983088983091

Archibald et al (2009)

Wang et al (2009)

Thorstensen amp Armstrong (2005)









ldquoRedbackrdquo Binary MSPs

bull MSP binaries with ge02 Mnon-

degenerate bloated companions

bull Frequency-dependent radio

eclipses due to intra-binary plasma

bull X-ray eclipses due to geometricoccultation of intra-binary shock

by secondary star

Arons amp Tavani ApJ 403 249 (1993)

983120983123983122 983114983088983088983090983092991251983095983090983088983092983127 983080983092983095 983124983157983139983081 983120983123983122 983114983089983095983090983091983085983090983096983091983095983120983123983122 983114983089983088983090983091983083983088983088983091983096



PSR J1023+0038 ndash ldquoThe Missing Linkrdquo

983107983144983137983150983140983154983137 983105983107983113983123983085983123 Bogdanov et al (2011)



PSR J1023+0038 The Accretion Disk Returns

bull Radio emission ceased on June23rd 2013

bull Optical brightness increased by

~1 mag

bull Double-peaked optical emissionlines reappeared

bull Fermi

LAT flux increased ~5-fold

bull Average X-ray flux increased byorder of magnitude

Stappers et al (2013)

Halpern et al (2013)




Tendulkar et al (2014)

Patruno et al (2014)

Swift XRT



XMM-Newton EPICNov 10th 2013

134 ks

Bogdanov et al in prep




134 ks




PSR J1824-2452IIGR J18245-2452

Linares et al (2014)Chandra ACIS-S

August 2008199 ks



PSR J1023+0038 Optical Variability


XMM-Newton OMNov 10th 2013

134 ks



XSS J12270-4859 Another Transition System

Bassa et al (2014)

bull Low-mass X-ray binary withFermi LAT counterpart (2FGL

J12277-4553)

bull In NovDec 2012 optical fluxdeclined by ~1 mag

bull Optical emission linesdisappeared

bull X-ray flux decreased by~order of magnitude

bull Radio pulsations (P =169 ms)

detected in Feb 2014

bull No γ -ray flux change

Transition from LMXB to ldquoredbackrdquo radio MSP



Bogdanov et al (2014)

2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism

Romanova et al (2009)





X-ray BinaryRecycled Pulsar

Transition Objects

bull Lack of radio emission ndash enshrouding or quenching dueto accretion

bull X-ray dips ndash emptying and refilling of inner accretiondisk or interruptions in low-level accretion

bull X-rayoptical flares ndash accretion onto neutron star

bull GeV γ -ray emission ndash intra-binary shock leptonic jetandor pulsar magnetosphere

bull Transient TeV emission



Discovered at radio frequencies- PSR B1937+21 with Arecibo

(Backer et al 1982)

Spun-up (ldquorecycledrdquo) by accretionin LMXBs (Alpar et al 1982)

Most are in binaries

Rotation-powered (ldquorecycledrdquo) millisecond pulsars




millisecond pulsar

( ν = 408 Hz)








983090983088983088983089

983090983088983088983091


Wang et al (2009)
















by secondary star


983120983123983122 983114983088983088983090983092991251983095983090983088983092983127 983080983092983095 983124983157983139983081 983120983123983122 983114983089983095983090983091983085983090983096983091983095983120983123983122 983114983089983088983090983091983083983088983088983091983096




983107983144983137983150983140983154983137 983105983107983113983123983085983123 Bogdanov et al (2011)






~1 mag


bull Fermi










Swift XRT




134 ks





134 ks




PSR J1824-2452IIGR J18245-2452


August 2008199 ks






134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects









millisecond pulsar

( ν = 408 Hz)








983090983088983088983089

983090983088983088983091


Wang et al (2009)
















by secondary star


983120983123983122 983114983088983088983090983092991251983095983090983088983092983127 983080983092983095 983124983157983139983081 983120983123983122 983114983089983095983090983091983085983090983096983091983095983120983123983122 983114983089983088983090983091983083983088983088983091983096




983107983144983137983150983140983154983137 983105983107983113983123983085983123 Bogdanov et al (2011)






~1 mag


bull Fermi










Swift XRT




134 ks





134 ks




PSR J1824-2452IIGR J18245-2452


August 2008199 ks






134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects











983090983088983088983089

983090983088983088983091


Wang et al (2009)
















by secondary star


983120983123983122 983114983088983088983090983092991251983095983090983088983092983127 983080983092983095 983124983157983139983081 983120983123983122 983114983089983095983090983091983085983090983096983091983095983120983123983122 983114983089983088983090983091983083983088983088983091983096




983107983144983137983150983140983154983137 983105983107983113983123983085983123 Bogdanov et al (2011)






~1 mag


bull Fermi










Swift XRT




134 ks





134 ks




PSR J1824-2452IIGR J18245-2452


August 2008199 ks






134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects




















by secondary star


983120983123983122 983114983088983088983090983092991251983095983090983088983092983127 983080983092983095 983124983157983139983081 983120983123983122 983114983089983095983090983091983085983090983096983091983095983120983123983122 983114983089983088983090983091983083983088983088983091983096




983107983144983137983150983140983154983137 983105983107983113983123983085983123 Bogdanov et al (2011)






~1 mag


bull Fermi










Swift XRT




134 ks





134 ks




PSR J1824-2452IIGR J18245-2452


August 2008199 ks






134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects









983107983144983137983150983140983154983137 983105983107983113983123983085983123 Bogdanov et al (2011)






~1 mag


bull Fermi










Swift XRT




134 ks





134 ks




PSR J1824-2452IIGR J18245-2452


August 2008199 ks






134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects











~1 mag


bull Fermi










Swift XRT




134 ks





134 ks




PSR J1824-2452IIGR J18245-2452


August 2008199 ks






134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects











Swift XRT




134 ks





134 ks




PSR J1824-2452IIGR J18245-2452


August 2008199 ks






134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects









134 ks





134 ks




PSR J1824-2452IIGR J18245-2452


August 2008199 ks






134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects









134 ks




PSR J1824-2452IIGR J18245-2452


August 2008199 ks






134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects








PSR J1824-2452IIGR J18245-2452


August 2008199 ks






134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects











134 ks




Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects









Bassa et al (2014)


J12277-4553)











2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects









2013 Dec 29



Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects








Fermi LAT


PSR J1023+0038 XSS J12270-4859





Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects










Takata et al (2014)

983120983123983122 983114983089983088983090983091983083983088983088983091983096

Intra-binary Shock



Propeller Mechanism







Transition Objects








Propeller Mechanism







Transition Objects











Transition Objects






bogdanov missing link binaries

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