Cross-wavelength synergy: VSOP-2

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Cross-wavelength synergyVSOP-2 CTA projects

• M. Kino (NAOJ)
• On behalf of VSOP-2 Science Working Group

????????????????CTA?2010 Jan 9th,_at_????
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Why VSOP-2 CTA?
M87 (VERITAS, VLBA 43GHz, HESS, MAGIC
collaboration 2009)
Rdct
VSOP-2 ????????????
?? ?VSOP-2CTA ??????????????? ?????????????????
?????(??)?
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Outline

• Looking back the AGN-science history in
• terms of Radio VHE collaboration.
• 2000 VLA - Chandra Era arcsec world
• 2008 VLBI - Fermi Era mas world
• 201? VSOP-2- CTA 0.1 mas world

Angular Resolution ? ?(wavelength)/ D(baseline)
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VLA Chandra era (2000)
Chandra (X-ray)
VLA (Radio)
Comparable angular Resolution ? 1 arcsec
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External Shock World
Centaurus A
Cygnus A
Yaji
Kraft
Forward-Shocks Reverse-Shocks
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What we have learned
Isobe08
UNTe/UB1-100 (e.g., Tashiro, Croston,
Hardcastle, Kataoka Isobe,Yaji) invisible
power (thermal e, proton) (e.g., MK, Birzan,
Ito )
UNTe/UB1
UB
UNTe/UB100
UNTe
Particle dominance for large (?10kpc) jets.
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VLBI-Fermi Era (2008)
VLBA (Radio)
MOJAVE survey
MOJAVE (Monitoring Of Jets in AGN with VLBA
Experiments) http//www.physics.purdue.edu/mliste
r/MOJAVE/index.html

• Long term monitor of blazar motions by VLBA 15
  GHz.

????????????? ?????????
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AGN sky MOJAVE/Fermi view
MOJAVE/Fermi blazar studies (Lister, Kovalev,
). MOJAVE/Fermi/CTA will lead to statistical
studies of blazars.
CTA together with VSOP-2 KSPs?
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?????? KSP Key Science Program
??????
VLBI?????????????? ??????????????
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Extremely Young Jet 3C 84

• Core of perseus cluster
• (z0.0176, i.e., D 77 Mpc)
• Mini radio-lobe 3C 84
• t_age size/ velocity50 yrs,
• size 5pc (Asada06)

Perseus Cluster (Chandra X-ray)
3C84 (HALCA)
Radio core
jet
5 pc
Radio lobe
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GeV/Radio-Core Outburst
Abdo09
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Moment of Birth!
??????????????????!
C3 fluxs rising!
C3 is the new-born baby!
Time (year)
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Specifications of VSOP-2
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VSOP-2/CTA will see
VERA 22 GHz
Resolution of VSOP-2 (22 GHz) reaches 0.1 pc!
VSOP-2/CTA will offer a key to solving the
origin of ?-ray.
Nagai
1 pc
CTA may detect TeV ?. Variability is a key.
Abdo09
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Towards the central engine M 87
???????
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2008 flare VHE/VLBI correlation!
M87 (VERITAS, VLBA 43GHz, HESS, MAGIC
collaboration 2009)
76 Rg
???????
Time
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VSOP-2/CTA will see
Walker (NRAO)
VSOP-2 (43 GHz) will see this 0.0032pc eye!
0.08pc
VSOP-2/CTA will show us a hint for the
central- engine mechanism.
CTA easily detect TeV ?. Variability is a key.
Wagner10
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Summary

• VLBI??1????????????????
• ???????????CTA VSOP-2 KSPs
• ???????!
• 3C 84 ??????? ???!
• M 87 ???????????!

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????
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VSOP-2/Astro-G project members
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(No Transcript)
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5 GHz vs. 22 GHz
22 GHz (VERA)
5 GHz (VSOP)

• Ang. Resolution
• ? ?(wavelength)/D(baseline)

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Science Goals
Gamma-dim jet
Origin of cosmic-ray
Gamma-bright jet
Origin of gamma-ray
Accretion flow
Central engine mechanism