Institute for Space-Earth Environmental Research (ISEE),

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Presentation transcript:

Institute for Space-Earth Environmental Research (ISEE), UCSD IPS Workshop San Diego, USA @ December 18-20, 2016 ISEE IPS Status Report Munetoshi Tokumaru Institute for Space-Earth Environmental Research (ISEE), Nagoya University http://stsw1.isee.nagoya-u.ac.jp

Multi-Station System Dedicated for IPS Observations of Solar Wind UHF radio-telescopes with a cylindrical parabolic reflector Large aperture (~2000 or ~3400㎡) to detect faint IPS signals Observation frequency 327MHz enabling to cover distance range between 0.1 – 1 AU Kiso STEL Fuji IPS observations at Toyokawa continue for a whole year. Toyokawa IPS observations have been conducted regularly since 1980s using this system. Solar wind speed V Scintillation level (g-value) ~ Density fluctuations ΔNe

IPS Antennas as Viewed in Google Earth Kiso IPS Telescope E-W 75m, N-S 27m Solar Wind Imaging Facility Telescope; SWIFT (Toyokawa) N-S 106m, E-W 41m Fuji IPS Telescope E-W 100m, N-S 20m Sugadaira IPS Antenna (not in use)

Establishment of High-Speed Data Acquisition System A high-speed data acquisition system was installed in the SWIFT. ADS3000+ (2GHz sampling × 2ch, VDIF format, Cosmo Research Inc.) Data Acquisition Fileserver RAID 10TB (linked with ADS3000+ via 10G-Eth.) Pulsar measurements Pulsar DM vs IPS Coronal density over the pole Verifying the assumption VLBI measurements in future Installation of a phase locked local oscillator in 2017 ADS3000+ RAID 10TB

Minor Changes Replacement of ISEE computer system OS changes from Solaris 10 to CentOS 7. Toyokawa Peace Park is under construction near the antenna site.

Personnel Affairs Open position for an associate professor of the heliospheric division Selection process in progress Decision will be made in January 2017. Visiting professorship of ISEE Dr. Sergey Tyullbashev (Pushchino, Russia), September 10- December 9, 2017 If you are interested in the visiting professorship of ISEE, please let me know. Open position for a designated foreign professor of ISEE (2017-2021) 3 month/year through cross appointment 2 candidates have been selected.