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MAGIC Max Planck Institut fürPhzsik The MAGIC Telescope ShangYu Sun A. Boller, L. Fortson, N. Galante, D. Paneque and B. Steinke On behalf of the Fermi,

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Presentation on theme: "MAGIC Max Planck Institut fürPhzsik The MAGIC Telescope ShangYu Sun A. Boller, L. Fortson, N. Galante, D. Paneque and B. Steinke On behalf of the Fermi,"— Presentation transcript:

1 MAGIC Max Planck Institut fürPhzsik The MAGIC Telescope ShangYu Sun A. Boller, L. Fortson, N. Galante, D. Paneque and B. Steinke On behalf of the Fermi, MAGIC, VERITAS collaborations and the participants/groups of the MW campaign on Mrk421 in 2010, which include GASP-WEBT, F-GAMMA and many others Detailed characterization and scientific interpretation of the broadband emission of Mrk421 during flaring activity in 2010 24_07_2012 Max Planck Institute for Physics The MAGIC Telescope Ringberg Young Scientist Workshop 2012

2 MAGIC 2 ShangYu SUN 2010 Multi-wavelength Campaign for Mrk 421 MAGIC GLAST-AGILE Support Program Goddard Robotic Telescope New Mexico Skies ROVOR St.Petersburg …… Metsahovi UMRAO VERITAS

3 MAGIC 3 ShangYu SUN 2010 Multi-wavelength Campaign for Mrk 421 MAGIC Fermi-LAT RXTE MAXI Swift GLAST-AGILE Support Program Goddard Robotic Telescope New Mexico Skies ROVOR St.Petersburg ……. 50TeV- 50GeV 300GeV- 300MeV Metsahovi UMRAO VERITAS 50keV- 300 eV

4 MAGIC MW Light-Curve Frequency-Bands 4 ShangYu SUN Wave bandinstrumentflux unitmean freq. Hzlow freq. Hzhigh freq. Hzlow energyhigh energy VHEMAGICcount/cm^2/s4.84E+0251.21E+028200GeV VHEVERITAScount/cm^2/s4.84E+0251.21E+028200GeV GammaRaysFermiph/cm2/s6.06E+0226.06E+025300MeV300GeV XRaysRXTE/PCAerg/cm2/s4.84E+0172.42E+0182.00keV10.0keV XraysSWIFT/BATcount/cm2/s3.63E+0181.21E+01915keV50keV XraysSWIFT/XRTerg/cm2/s4.84E+0172.41E+0182keV10keV XraysSWIFT/XRTerg/cm2/s7.25E+0164.84E+0170.3keV2keV XraysRXTE/ASMph/s4.84E+0172.41E+0182keV10keV XRaysMAXIph/s9.67E+0172.41E+0184keV10keV UVW2SWIFT/UVOTmJy1.60E+0151.37E+0151.93E+015 UVM2SWIFT/UVOTmJy1.38E+0151.24E+0151.55E+015 UVW1SWIFT/UVOTmJy1.19E+0151.05E+0151.37E+015 bROVORmJy6.81E+0146.14E+0147.66E+014 b Bradford Robotic Telescope mJy6.81E+0146.14E+0147.66E+014 vNew Mexico SkiesmJy5.45e145.04e145.92e14 vROVORmJy5.45e145.04e145.92e14 v Bradford Robotic Telescope mJy5.45e145.04e145.92e14 rNew Mexico SkiesmJy4.68E+0144.20E+0145.29E+014 rROVORmJy4.68e144.20e145.29e14 r Bradford Robotic Telescope mJy4.68e144.20e145.29e14 rGLAST-AGILE Support ProgrammJy4.68e144.20e145.29e14 rGoddard Robotic TelescopemJy4.68e144.20e145.29e14 rPerkinsmJy4.68e144.20e145.29e14 rStewardmJy4.68e144.20e145.29e14 rCrimeanmJy4.68e144.20e145.29e14 rSt.PetersburgmJy4.68e144.20e145.29e14 IROVORmJy3.79e143.47e144.19e14 RadioMetsahoviJy37GHz3.63E+0103.87E+0101.5e-4eV1.6e-4eV RadioUMRAOJy14GHz1.26E+0101.64E+0105.2e-5eV6.8e-5eV RadioUMRAOJy8GHz7.25E+0098.70E+0093.0e-5eV3.6-5eV

5 MAGIC Mrk421 2010 MW light curves time flux VHE GammaRays XRays UV Optical Radio

6 MAGIC Mrk421 2010 Flares VHE, HE, Xray, Optical light curves MAGIC&VERITAS 200GeV~50TeV Fermi 300MeV~300GeV 2010 Jan Mar May SWIFT/XRT 2-10keV GASP R band 55197 55228 55256 55287 55317 55348 high Flares of different types ! ! x1.e-9

7 MAGIC 7 ShangYu SUN Mrk421 Broadband Spectral Energy Distribution 2009 data 7 ShangYu SUN

8 MAGIC 8 ShangYu SUN Mrk421 2010 MW Light Curve Variability Variability: t he quantity showing how much each light curve fluctuates Variability (S. Vaughan et al. Mon.Not.Roy.Astron.Soc.345:1271,2003) Variance of Flux Mean of error sq. Mean of Flux

9 MAGIC 9 ShangYu SUN Mrk421 2010 MW Light Curve Variability Variability: t he quantity showing how much each light curve fluctuates Opt 0.2 X 0.45 GeV 0.2 TeV 0.25 2009 2_10keV 0.3_2keV Opt 0.2 X 0.7 GeV 0.2 TeV 1.1 2010 Nina Nowak

10 MAGIC 10 ShangYu SUN Describe Spectra with One-Zone Synchrotron Self-Compton Model Using Hajime Takami ‘s SSC code Monthly Notices of the Royal Astronomical Society, Volume 413, Issue 3, pp. 1845-1851 An emission blob with: Radius R Magnetic field B Doopler factor Relativistic electrons

11 MAGIC 11 ShangYu SUN Describe Spectra with One-Zone Synchrotron Self-Compton Model inverse Compton =>GammaRay synchrotron radiation =>Xray

12 MAGIC 12 ShangYu SUN Mrk421 Broadband SED and SSC Modeling Content of this plot: 1. 2009 average SED (low state ) 2. 2010_03_14(high state) SED 3. one-zone one-break SSC fit Fermi (two days) SED region of 68% confidence level

13 MAGIC ShangYu SUN Mrk421 2010 March Very High Energy Light Curve Crab March 10 12 14 16 18 20 22 A decaying flare in Mrk 421 was observed by MAGIC and VERITAS in March (peak ~2 Crab). (Low state around 50% Crab) 10/03/2010 (55255) - 22/03/2010 (55267) ; MAGIC 11 nights (10~ 80 min obs.) VERITAS 6 nights (~10 min obs.) Next: unprecedented data for blazar study: day-by-day broadband Mrk421 SEDs in flaring activity

14 MAGIC 14 ShangYu SUN Mrk421 MW 2010_03_10 (55265) Electron Energy Spectrum

15 MAGIC 15 ShangYu SUN Mrk421 MW 2010_03_11 (55266)

16 MAGIC 16 ShangYu SUN Mrk421 MW 2010_03_13 (55268)

17 MAGIC 17 ShangYu SUN Mrk421 MW 2010_03_14 (55269)

18 MAGIC 18 ShangYu SUN Mrk421 MW 2010_03_15 (55270)

19 MAGIC 19 ShangYu SUN Mrk421 MW 2010_03_17 (55272)

20 MAGIC 20 ShangYu SUN Mrk421 MW 2010_03_18 (55273)

21 MAGIC 21 ShangYu SUN Mrk421 MW 2010_03_19 (55274)

22 MAGIC 22 ShangYu SUN Mrk421 MW 2010_03_21 (55276)

23 MAGIC 23 ShangYu SUN Mrk421 MW 2010_03_22 (55277)

24 MAGIC 24 ShangYu SUN B B v v Electron energy ? Blob bouncing in the jet? Magnetic field ? Blob speed ? Blob size? Which parameter changes during flaring acyivity?

25 MAGIC 25 ShangYu SUN Describe Variation of Spectra with Electron SEDs Fixed Parameters 1.e3. 1.e8. 35. 16.7 18. The evolution of the SED during the flare can be explained, within the one-zone Synchrotron Self-Compton scenario, with variations in the high-energy part of the electron energy distribution, rather than the environment parameters (B,R, Doppler factor).

26 MAGIC 26 ShangYu SUN Conclusion We found that the Mrk 421 flaring activity in 2010 could be explained within a one-zone Synchrotron Self-Compton Emission Model by only changing the shape of electron energy distribution

27 MAGIC 27 ShangYu SUN Backup Slides

28 MAGIC 28 ShangYu SUN Flares are mainly driven by changes in electron number density

29 MAGIC 29 ShangYu SUN Flares are mainly driven by changes in electron number density

30 MAGIC  The GLAST-AGILE Support Program (GASP) was organized within the Whole Earth Blazar Telescope (WEBT: 43 radio to optical)to provide optical-to-radio long-term continuous monitoring of a list of selected gamma-ray-loud blazars during the operation of the AGILE and GLAST satellites.AGILEGLAST  AGILE (Astro ‐ rivelatore Gamma a Immagini LEggero) is an X-ray and Gamma ray astronomical satellite of the Italian Space Agency (ASI).X-rayGamma rayItalian Space Agency 30 ShangYu SUN

31 MAGIC Mrk421 2010 MW light curves

32 MAGIC TeV Sources Pulsar Pulsar Wind Nebula Supernova Remnant Micro quasar X-ray binary Gamma Ray Burst Active Galactic Nuclei extragalactic sources

33 MAGIC Active Galactic Nuclei(AGN) of Active Galaxies Credits from Brooks/Cole Thomson Learning Active Galaxy

34 MAGIC 34 ShangYu SUN BL Lac, FSRQ (Blazars) FRI, FRII (Radio Galaxies) 46 TeV extragalacic sources 3 x FR-I, 2 x Starburst galaxies, 4 x FSRQs, 37 x BL Lacs TeV Extragalactic Sources Credits from R. Wagner

35 MAGIC 35 ShangYu SUN Summary 1. MAGIC in its first year(2010) of stereo observation on Mrk 421 caught three TeV flares: January (~3 Crab), March (~2 Crab) high state: TeV,GeV,X,Opt TeV,X 2.Mrk 421 2010 MW light curves: Variability of (TeV, GeV, X, Opt)~(1.1, 0.2, 0.75, 0.2) 3. MAGIC stereo had 10 observation on Mrk421 in March 2010, catching a decaying flare, with fluxes of 4 observations > 1 Crab, with simultaneous spectra from Optical, SWIFT/XRT*BAT, RXTE/ASM, Fermi, MAGIC. 4. 1-zone Synchrotron Self-Compton Emission Model can describe well Mrk 421 spectrum evolution. The physical properties which changes during decaying flare might be the intrinsic characteristics of electrons, rather than the environment parameters(B,R).

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