ULTIMA observation campaigns: the SEGMA contribution

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Presentation transcript:

ULTIMA observation campaigns: the SEGMA contribution M. Vellante Physics Department, University of L’Aquila, Italy ULTIMA Meeting Tsukuba, Japan 14 November 2008 1

Observation campaigns: March 20 – April 16, 2008 : The Whole Heliosphere Interval slides 3-7, 15-16 November 18 – 22, 2007: Geomagnetic storm slides 8-9 December 17, 2007: SI event slides 10-13 2

SEGMA Observations for WHI 1) Observatory and/or Instrument: magnetometer array in South Europe: SEGMA Stations: - Nagycenk (Hungary) 47.63 N, 16.72 E, L = 1.89 - Castello Tesino (Italy) 46.05 N, 11.65 E, L = 1.78 - Ranchio (Italy) 43.97 N, 12.08 E, L = 1.65 - L'Aquila (Italy) 42.38 N, 13.32 E, L = 1.57 Supporting observers: - M. Vellante (massimo.vellante@aquila.infn.it), University of L’Aquila, Italy - U. Villante (umberto.villante@aquila.infn.it), University of L’Aquila, Italy - T. L. Zhang (tielong.zhang@oeaw.ac.at), Institut fuer Weltraumforschung, Graz, Austria - W. Magnes (werner.magnes@oeaw.ac.at), Institut fuer Weltraumforschung, Graz, Austria - V. Wesztergom (wv@ggki.hu), Geodetic and Geophysical Research Institute, Sopron, Hungary 2) Summary of observations: Geomagnetic field variations (1-sec fluxgate measurements), full coverage: 20 March - 16 April, 2008 3) Summary plots: ftp://geosp-server.aquila.infn.it/WHI/summary_plots/ example in this presentation Daily plots: http://sole-terra.aquila.infn.it/dati.asp?lang=en Images: daily dynamic cross-phase spectra at three station pairs (for remote sensing of the plasmaspheric mass density); available at: ftp://geosp-server.aquila.infn.it/WHI/dynamic_cross_phase_spectra/ example 4) Data access: ftp://geosp-server.aquila.infn.it/WHI/magnetic_field_data/ 5) Website: http://sole-terra.aquila.infn.it/staz_segma.asp?lang=en back 3

Hourly values of Pc 3 amplitude, year 2008 (WHI campaign) NCK L=1.89 [nT] CST L=1.78 [km/s] [nT] Solar Wind Speed RNC L=1.65 [nT] AQU L=1.57 [nT] 3 4

WHI campaign, cross-phase spectra, CST - NCK, L = 1 WHI campaign, cross-phase spectra, CST - NCK, L = 1.83, 20 March – 4 April, 2008 Mar. 20 Mar. 21 Mar. 22 Mar. 23 Mar. 24 Mar. 25 Mar. 26 Mar. 27 Mar. 28 Mar. 29 Mar. 30 Mar. 31 Apr. 01 Apr. 02 Apr. 03 Apr. 04 5

WHI campaign, cross-phase spectra, CST - NCK, L = 1 WHI campaign, cross-phase spectra, CST - NCK, L = 1.83, 5 - 16 April, 2008 Apr. 05 Apr. 06 Apr. 07 Apr. 08 Apr. 09 Apr. 10 Apr. 11 Apr. 12 Apr. 13 Apr. 14 Apr. 15 Apr. 16 6

Dst (Real-Time) WDC for Geomagnetism, Kyoto Equatorial plasma mass density at r = 1.83 RE, inferred from FLR frequencies, 12 LT March 2008 April 2008 F10.7 solar index March 2008 April 2008 Dst (Real-Time) WDC for Geomagnetism, Kyoto [nT] March 2008 April 2008 7 home

Geomagnetic storm, Nov. 19 - 20, 2007 NCK Nov. 19 Nov. 20, 2007 CST SSC RNC AQU 8 back

Cross-phase spectra, CST - NCK, L = 1.83 November 2007 Dst (Real-Time) WDC for Geomagnetism, Kyoto (nT) days Cross-phase spectra, CST - NCK, L = 1.83 Nov. 20 Nov. 21 Nov. 22 [mHz] [UT] [UT] [UT] Nov. 23 Nov. 24 Nov. 25 [mHz] [UT] [UT] [UT] home 9

SI back 10

SI 11

12

cross-phase spectra, CST - NCK, L = 1.83, 11-22 December 2007 home 13

Thank you 14

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