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Seminar report

Seminar report. Bing Jiang March . 0 9, 2010. Contents. Sychrotron emission and the magnetic field of DA530. PWN index spatial evolution. Some incompleted results indicated from SWIFT And ….

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Seminar report

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  1. Seminar report Bing Jiang March. 09, 2010

  2. Contents Sychrotron emission and the magnetic field of DA530 PWN index spatial evolution Some incompleted results indicated from SWIFT And … The youngest Galactic remnant G1.9+0.3 and SN1885 in M31 New Fermi-LAT results and some crude thought onγ-ray (not theoretical but just observational)

  3. Sychrotron emission and the magnetic field of DA530 Bilateral Radio Morphology Simulation of SNR synchrotron emisson in a stellar wind bubble with a toroidal magnetic field Landecker et al. 1999 Lalitha et al. 1984

  4. Sychrotron emission and the magnetic field of DA530 Kothes et al. 2009

  5. synchrotron softening N157B (Chen et al. 2008) PWN index spatial evolution u = 0.5-0.7cB=0.9-1.1E-4 G

  6. synchrotron softening 1D (analytical)3D (numerical) PWN index spatial evolution For G21.5-0.9 u = 0.6c B=1E-4 G

  7. Shell, Bilateral symmetry ~100” ~150 yr (radio expansion) The youngest Galactic remnant G1.9+0.3 and SN1885 in M31 youngest known Galactic remnant Reynolds et al. 2008

  8. Shell, Bilateral symmetry ~100” ~150 yr (radio expansion) V ~ 14,000 km/s The youngest Galactic remnant G1.9+0.3 and SN1885 in M31 Reynolds et al. 2008 Green et al. 2008

  9. NH ~ 5.5 1022 cm-2 Distance ~ 8.5 kpc Spectrum: featureless, purely synchrotron radiation Г ~ 0.65 characteristic rolloff electron energy of ~ 94(B/10μG) -1/2TeV The youngest Galactic remnant G1.9+0.3 and SN1885 in M31 Reynolds et al. 2008

  10. Fourth clear-cut X-ray synchrotron-dominated Galactic SNRs: SN 1006, G347.3-0.5, G266.2-1.2, and G1.9+0.3. Spectral variation: (Renolds et al. 2009) dust scattering 44Ti as test of the youth and explosion type SN Ia: 8 10-6 -- 5 10-5 Msun CC: 2 10-5 -- 2 10-4 Msun 250 ks Chandra follow-up The youngest Galactic remnant G1.9+0.3 and SN1885 in M31 Reynolds et al. 2008

  11. SN 1885 in M31 Young too ~ 120 yr Non-detection  uplimit  energy release? The youngest Galactic remnant G1.9+0.3 and SN1885 in M31

  12. Abdo et al. 2009-2010, γ-ray Emission from the Shell of SNR W44 (Sience, 327,1103) Cas A (ApJL, 710, L92; first GeV;WCR≃(1–4)1049 erg;B ≥ 0.1 mG) PWN (PSR J1907+0602, ApJ, 711, 64; Crab, ApJ, 708, 1254) Pulsar (Gamma-Ray Millisecond Pulsars, 2009, science, 325, 848; 16 Gamma-Ray Pulsars, 2009, science, 325, 840) the Globular Cluster 47 Tucanae (2009, Science,325, 845 ) M82 (709, L152) New Fermi-LAT results

  13. Spatial offset of VHE source and surrounding multi-wavelength features, especially MCs？ G12.8–0.0， G12.82–0.02 HESS J1813−178 some crude thoughts onγ-ray (not theoretical but just observational) Funk, et al. 2007, A&A, 470, 249.

  14. Funk, et al. 2007, A&A, 470, 249.

  15. Funk, et al. 2007, A&A, 470, 249.

  16. Funk, et al. 2007, A&A, 470, 249.

  17. EndThank you for you patience!

  18. Some incompleted results indicated from SWIFT And …

  19. Some incompleted results indicated from SWIFT And …

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