Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center STEREO SWG, Fall Hills, Meredith, NH STEREO/WAVES.

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Presentation transcript:

Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center STEREO SWG, Fall Hills, Meredith, NH STEREO/WAVES team status STEREO/WAVES studies in progress Instrument status report 1 STEREO SWG 20 – 2009 October 27-29, Meredith, New Hampshire

Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center STEREO/WAVES team status 68 members: 30 S/WAVES Co-Investigators 2 S/WAVES Co-I Emeritus 3 S/WAVES science team members 33 S/WAVES Associate and Participating scientists 2 STEREO SWG 20 – 2009 October 27-29, Meredith, New Hampshire

Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center STEREO/WAVES team status etc 5 pp. Member’s field of interest: 3 STEREO SWG 20 – 2009 October 27-29, Meredith, New Hampshire

Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center 4 STEREO SWG 20 – 2009 October 27-29, Meredith, New Hampshire

Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center STEREO/WAVES studies in progress We “adjusted“ to extended solar minimum! Still, work on few radio events! more time for calibrations, refining direction finding techniques more time for theoretical work focus on in situ studies (wave form analyzer: wave coupling, dust) radio emission from magnetospheres (Earth, Jupiter) 5 STEREO SWG 20 – 2009 October 27-29, Meredith, New Hampshire

Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center STEREO/WAVES studies in progress On-going work on radio events and observations: comprehensive analysis of a type III radio storm (Eastwood) beam pattern characterization (Bonnin) assocation of IP type III radio emission with CMEs, EUV waves and large scale coronal structures (Kerdraon) modeling of galactic radio background at LF using data from Ulysses, Cassini and STEREO (Lecacheux, MacDowall, Hoang) magnetic field topology of the inner heliosphere from combined observations of S/WAVES, IMPACT and RHESSI (Martinez-Oliveros) Multiwavelength analysis of the 19 May 2007 SEP event (Kerdraon) Radio signatures of EUV waves (Pick) 6 STEREO SWG 20 – 2009 October 27-29, Meredith, New Hampshire

Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center STEREO/WAVES studies in progress Calibrations, direction finding, search algorithms, theory: direction finding algorithms, source sizes, ray tracing simulations (Cecconi, Reiner, Lecacheux, Rucker, Santolik, Kasper, …) development of Wind-Ulysses radio tracking of CME driven shocks in preparation to STEREO (Hoang) Monte-Carlo modeling of radio wave propagation in the corona and solar wind (Golla, MacDowall) automated algorithm for identification of transients seen by both spacecraft (Kasper) characterization of the propagation of CME shocks (Cremades, Reiner) Non-linear plasma turbulence: Type III solar radio burst simulations (Robinson) 7 STEREO SWG 20 – 2009 October 27-29, Meredith, New Hampshire

Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center STEREO/WAVES studies in progress In situ studies with TDS (QTN): Dust, nano-particles (Kaiser, Goetz, StCyr, Meyer, Issautier, …) combined plasma and wave observations of electrons in the electron foreshock region upstream of thebow shock, WAVES and IMPACT (Pulupa) Wave coupling in Type III emission, simulations (Henri) Measurements of Rapid Density Fluctuations in the Solar Wind (Malaspina) small scale electrostatic turbulence; comparison with Vlasov- Maxwell simulations (Carbone) Foreshock Langmuir waves in STEREO data (Cairns) Langmuir waves in the solar wind, comparison to theory (Sundkvist) macroscopic properties of the solar wind (Issautier) 8 STEREO SWG 20 – 2009 October 27-29, Meredith, New Hampshire

Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center Mike Kaiser’s legacy! 9 STEREO SWG 20 – 2009 October 27-29, Meredith, New Hampshire

Observatoire de Paris University of Minnesota University of California - Berkeley Goddard Space Flight Center Instrument status Both A & B receivers continue to function nominally –No trend changes in HK parameters –A few anomalies are tracked with vigor One unexpected/unexplained reset EEPROM error Missing DMA Operations continue to go well –Commands go up – with routine operations and special sequences –Telemetry comes down –Associated data products are produced and made available –Special situations are handled e.g. S/C resets –Flight operations team at APL has been very accommodating We have slowly evolved our flight software –To improve science –To investigate anomalies 10 STEREO SWG 20 – 2009 October 27-29, Meredith, New Hampshire