Fast Radio Followup

Tim Staley

Transcript

1. Fast radio followup
   Tim Staley
   University of Southampton
   TKP Meeting, December 2012
   

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2. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
   OUTLINE
   5 MINUTE TOUR OF GRBS
   SWIFT-AMI UPDATE
   WHAT’S NEXT
   

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3. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
   OUTLINE
   5 MINUTE TOUR OF GRBS
   SWIFT-AMI UPDATE
   WHAT’S NEXT
   

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4. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
   GRB PROGENITORS
   L. Rezzolla et al 2011
   

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5. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
   GRBS: RELATIVISTIC FIREBALLS
   M. Rees and P. Meszaros, 1992; W. Zhang and S.
   Woosley, 2004.
   

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6. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
   SYNCHROTRON AFTERGLOW
   Gou, Fox & Meszaros 2007
   

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7. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
   SYNCHROTRON AFTERGLOW
   Chandra and Frail, 2012.
   

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8. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
   TRANSITION: REVERSE SHOCK
   Z. Lucas Uhm , Bing Zhang, 2012
   

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9. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
   REVERSE SHOCK
   Z. Lucas Uhm , Bing Zhang, 2012
   

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10. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    RS+FS COMBINED
    GRB110205A (Cucchiara et. al 2011)
    

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11. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    RS IN THE RADIO (‘FLARES’)
    (S. Kulkarni et. al 1999)
    

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12. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    RS IN THE RADIO (‘FLARES’)
    GRB051221A (Soderberg 2006)
    

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13. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    MANUAL RADIO FOLLOW UP OF
    GRBS
    Data from Chanda and Frail, 2012. ∼ 8GHz.
    

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14. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    PRIOR RADIO OBSERVATIONS
    (Excluding Dave Green et al. 1995)
    

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15. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    WHY IS THIS INTERESTING?
    Reverse shocks and radio flares (or lack thereof)
    inform us on:
    Magnetization of GRB jets,
    Lorentz factor of ejecta,
    Nature of ejecta (Baryonic vs Poynting flux
    dominated).
    

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16. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    MEANWHILE...
    ‘Dark’ GRBs (Rol 2005; Zauderer 2012).
    Re-injection events (Soderberg 2006;
    Cucchiara 2011)
    Unknown phenomena (Bannister 2012).
    

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17. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    REBRIGHTENING
    GRB110213A (Cucchiara 2011)
    

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18. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    OUTLINE
    5 MINUTE TOUR OF GRBS
    SWIFT-AMI UPDATE
    WHAT’S NEXT
    

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19. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    AMI-LA (UK)
    

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20. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    AMI-LA (UK)
    Arcminute Microkelvin Imager —
    Large Array
    15 GHz central frequency, 4.5 GHz
    bandwidth
    5.5 arcmin primary beam (FoV)
    30 arcsec synthesised beam (PSF FWHM)
    ≈ 0.1mJy noise level, 1 hr image
    

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21. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    THE SYSTEM
    4 Pi Sky
    SWIFT
    BAT
    GCN Comet
    pysovo
    AMI
    Data
    reduction
    TraP
    (Staley et al 2012)
    

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22. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    THE SYSTEM
    4 Pi Sky
    SWIFT
    BAT
    GCN Comet
    pysovo
    AMI
    Data
    reduction
    TraP
    BAT:
    13-30
    sec
    GCN:
    ~2 sec
    GCN ->
    AMI:
    ~5 sec Slew:
    4 min
    (Staley et al 2012)
    

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23. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    FASTER RESPONSE TIMES
    

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24. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    FASTER RESPONSE TIMES
    

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25. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    OUTLINE
    5 MINUTE TOUR OF GRBS
    SWIFT-AMI UPDATE
    WHAT’S NEXT
    

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26. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    NETWORKING
    [Transient] astronomy
    currently follows the “second
    grade soccer system” -
    everyone chases the same ball.
    

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27. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    NETWORKING
    4 Pi Sky
    SWIFT
    BAT
    GCN Comet
    pysovo
    AMI
    Data
    reduction
    TraP
    LOFAR-
    UK
    FERMI
    Southern
    hemisphere
    ?
    ???
    Comet
    

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28. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    OPTICAL FOLLOWUP: LT AND PT5M
    

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29. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    OPTICAL FOLLOWUP: LT AND PT5M
    (LA PALMA)
    

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30. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    QUESTIONS
    Classification
    Teo, Adam, Gosia.
    Prioritization and scheduling
    Well framed as an ‘Intelligent Agents’ /
    computer science project.
    Collaborating with Southampton IA group
    (Amr Hussein).
    

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31. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
    SUMMARY
    Swift-AMI ‘proof of concept’ has piqued
    the interest from the GRB community.
    ‘Plumbing’ works fine.
    Reduction process continues to evolve.
    Follow-up prioritization and scheduling
    system now in design phase.
    

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