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Fast radio followup
Tim Staley
University of Southampton
TKP Meeting, December 2012
WWW: 4pisky.org , timstaley.co.uk
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
OUTLINE
5 MINUTE TOUR OF GRBS
SWIFT-AMI UPDATE
WHAT’S NEXT
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
OUTLINE
5 MINUTE TOUR OF GRBS
SWIFT-AMI UPDATE
WHAT’S NEXT
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
GRB PROGENITORS
L. Rezzolla et al 2011
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.
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
SYNCHROTRON AFTERGLOW
Gou, Fox & Meszaros 2007
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
SYNCHROTRON AFTERGLOW
Chandra and Frail, 2012.
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
TRANSITION: REVERSE SHOCK
Z. Lucas Uhm , Bing Zhang, 2012
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
REVERSE SHOCK
Z. Lucas Uhm , Bing Zhang, 2012
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
RS+FS COMBINED
GRB110205A (Cucchiara et. al 2011)
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
RS IN THE RADIO (‘FLARES’)
(S. Kulkarni et. al 1999)
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
RS IN THE RADIO (‘FLARES’)
GRB051221A (Soderberg 2006)
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
MANUAL RADIO FOLLOW UP OF
GRBS
Data from Chanda and Frail, 2012. ∼ 8GHz.
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
PRIOR RADIO OBSERVATIONS
(Excluding Dave Green et al. 1995)
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).
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).
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
REBRIGHTENING
GRB110213A (Cucchiara 2011)
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
OUTLINE
5 MINUTE TOUR OF GRBS
SWIFT-AMI UPDATE
WHAT’S NEXT
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
AMI-LA (UK)
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
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)
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)
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
FASTER RESPONSE TIMES
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
FASTER RESPONSE TIMES
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
OUTLINE
5 MINUTE TOUR OF GRBS
SWIFT-AMI UPDATE
WHAT’S NEXT
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.
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
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
OPTICAL FOLLOWUP: LT AND PT5M
5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
OPTICAL FOLLOWUP: LT AND PT5M
(LA PALMA)
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).
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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Fast radio follow-up

  • 1. Fast radio followup Tim Staley University of Southampton TKP Meeting, December 2012 WWW: 4pisky.org , timstaley.co.uk
  • 2. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT OUTLINE 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
  • 3. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT OUTLINE 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
  • 4. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT GRB PROGENITORS L. Rezzolla et al 2011
  • 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.
  • 6. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT SYNCHROTRON AFTERGLOW Gou, Fox & Meszaros 2007
  • 7. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT SYNCHROTRON AFTERGLOW Chandra and Frail, 2012.
  • 8. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT TRANSITION: REVERSE SHOCK Z. Lucas Uhm , Bing Zhang, 2012
  • 9. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT REVERSE SHOCK Z. Lucas Uhm , Bing Zhang, 2012
  • 10. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT RS+FS COMBINED GRB110205A (Cucchiara et. al 2011)
  • 11. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT RS IN THE RADIO (‘FLARES’) (S. Kulkarni et. al 1999)
  • 12. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT RS IN THE RADIO (‘FLARES’) GRB051221A (Soderberg 2006)
  • 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.
  • 14. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT PRIOR RADIO OBSERVATIONS (Excluding Dave Green et al. 1995)
  • 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).
  • 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).
  • 17. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT REBRIGHTENING GRB110213A (Cucchiara 2011)
  • 18. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT OUTLINE 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
  • 19. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT AMI-LA (UK)
  • 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
  • 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)
  • 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)
  • 23. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT FASTER RESPONSE TIMES
  • 24. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT FASTER RESPONSE TIMES
  • 25. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT OUTLINE 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT
  • 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.
  • 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
  • 28. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT OPTICAL FOLLOWUP: LT AND PT5M
  • 29. 5 MINUTE TOUR OF GRBS SWIFT-AMI UPDATE WHAT’S NEXT OPTICAL FOLLOWUP: LT AND PT5M (LA PALMA)
  • 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).
  • 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.