Integration of MuSTAnG into the International Muon Spaceweather Telescope Network
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1 Integration of MuSTAnG into the International Muon Spaceweather Telescope Network Rainer Hippler University of Greifswald (Germany) Rainer Hippler Nor-Amberd
2 Greifswald located at the Baltic coast 200 km north of Berlin Rainer Hippler Nor-Amberd
3 Hansestadt Greifswald Home town of Caspar David Friedrich Marktplatz Rainer Hippler Nor-Amberd
4 University of Greifswald Founded 1456 Rainer Hippler Nor-Amberd
5 Physics in Greifswald 2007 Leibnitz-Institute for Low Temperature Plasma Physics Max-Planck-Institute for Plasma Physics Rainer Hippler Nor-Amberd
6 MuSTAnG Muon Spaceweather Telescope for Anisotropies at Greifswald University of Greifswald, Germany (R. Hippler) 1A Greifswald, Germany (F. Jansen) HTS GmbH Coswig, Germany (W. Göhler) University of Bern, Switzerland (E. Flückiger) University of Applied Science Stralsund, Germany (B. Zehner) IEP-SAS, Slovakia (K. Kudela) Funded and supported by: European Space Agency (ESA) Deutsches Zentrum für Luft- und Raumfahrt (DLR) Slovak Academy of Sciences INTAS 8777 Solar and Galactic Cosmic Rays Rainer Hippler Nor-Amberd
7 Spaceweather Storms Coronal mass ejections (CMEs) provide hazards to the Earth environment, in particular to satellites, astronauts, aircraft crew and passengers, and to power lines on ground. MuSTAnG aims to follow-up the propagation of CMEs between Sun and Earth. Rainer Hippler Nor-Amberd
8 Working Principle of MuSTAnG The Earth is surrounded by galactic cosmic rays originating from the Milky way. The cosmic ray intensity at Earth is nearly constant. However, whenever the galactic cosmic rays traverses a dense plasma cloud its intenstiy changes. MuSTAnG measures the intensity variations of galactic cosmic rays due to coronal mass ejections (CMEs) between Sun and Earth and is thus capable to predict the CME arrival at Earth. Rainer Hippler Nor-Amberd
9 Galactic Cosmic Ray Intensity Variations Galactic cosmic rays are high-energy particles (e.g., protons) from our Galaxy. At Earth, cosmic rays are largely composed of muons. Sun Earth Plasma cloud between Sun and Earth causes Cosmic Ray Anisotropy Mustang Rainer Hippler Nor-Amberd
10 Precursor Storm Signal Rainer Hippler Nor-Amberd
11 Anisotropy prior to SSC Rainer Hippler Nor-Amberd
12 MuSTAnG: phase 1 ( 4m 2 ) Rainer Hippler Nor-Amberd
13 Detector element ( = 1 m 2 ) Detector box: 4 scintillator plates each with 17 wavelength-shifting fibres connected to P30A photomultiplier modules Rainer Hippler Nor-Amberd
14 Scintillator plates with wavelength-shifting fibres Rainer Hippler Nor-Amberd
15 Rainer Hippler Nor-Amberd
16 Asymptotic viewing directions Location: Greifswald 13 (of 49) Viewing directions: V, N, E, S, W Detector size: 0.25 m 2 Rigidity spectrum: GV Rainer Hippler Nor-Amberd
17 Directional Viewing Flückiger (2007) Sun IMF 30 S 60 S Example: Five selected viewing directions of the MuSTAnG Muon Space Weather Telescope for Anisotropies at Greifswald (~ 54 N, ~ 13 E) (GSE coordinate system, Robinson projection) Rainer Hippler Nor-Amberd
18 Directional Viewing Flückiger (2007) Sun IMF Example: 24-hour rotation of five selected viewing directions of the MuSTAnG Muon Space Weather Telescope for Anisotropies at Greifswald (GSE coordinate system, Robinson projection) Rainer Hippler Nor-Amberd
19 Cut-off rigidities 14 December 2006, UT Planetocosmics (U Bern) Rainer Hippler Nor-Amberd
20 Scintillator tests Time correlation Scintillator response Rainer Hippler Nor-Amberd
21 Pressure coeffcient Pressure coeffcient 0,05 0,00-0,05 Pressure coefficient -0,10-0,15-0,20-0,25-0,30-0, hours Rainer Hippler Nor-Amberd
22 Integration of MuSTAnG into existing muon telescope network MuSTAnG is part of an international muon spaceweather telescope network: Nagoya, Japan (K. Munakata) Hobart, Australia (M. Duldig) Sao Martinho, Brazil (N. Schuch) Kuwait (I. Sabbah) Bartol, USA (J. Bieber) Rainer Hippler Nor-Amberd
23 13 December 2006 (GOES 11) 1,0 Intensity (normalized) 0,8 0,6 0,4 0,2 P100 P1 x-ray 0, Time of day (s) Rainer Hippler Nor-Amberd
24 1,02 1,01 1,00 Sao Martinho 13 December 2006 space weather event 0,99 0,98 1,02 1, day of december 2006 Hobart Muon telescope observations & GOES 11 Proton data muon count rate (normalized) 1,00 0,99 0,98 1,02 1,01 1,00 0,99 0, MuSTAnG Precursor Kp index proton count rate MeV Rainer Hippler day of december 2006 Nor-Amberd
25 Rainer Hippler Nor-Amberd
26 International Cooperation Financial Support by ESA, DLR, UG, and IEPSAS. Rainer Hippler Nor-Amberd
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