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Japanese Contribution to THEMIS. Masaki Fujimoto ISAS, JAXA. Geotail is alive and kicking!. Why not move to Cluster data? Yes we are, but that does not mean that Geotail data is not worth being inspected. Best coverage of the near-Earth plasma sheet,

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Japanese Contribution to THEMIS

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Japanese contribution to themis

Japanese Contribution to THEMIS

Masaki Fujimoto

ISAS, JAXA


Geotail is alive and kicking

Geotail is alive and kicking!

  • Why not move to Cluster data?

  • Yes we are, but that does not mean that Geotail data is not worth being inspected.

  • Best coverage of the near-Earth plasma sheet,

  • leading to good statistical pictures, which are

  • good staring points for multi-s/c observations.

  • One more observatory in the magnetosphere is

  • still precious.

But working on data from various spacecraft is tough.

The toughest time is the survey period.

It is time consuming since one would not want to miss good events

but the goods are rare.

Great desire to save time by not handling data from events that are not worth of it.


Darts cef

DARTS.CEF

  • ConjunctionEventFinder

  • Developed by Y Miyasita (ISAS,JAXA)

  • A tool developed by a researcher who knows what researchers really want.

  • Enables easy search for

  • GT + CL,DSP,and S-DARN

  • conjunction events


Japanese contribution to themis

CEF

darts.isas.jaxa.jp


Japanese contribution to themis

Type-in the date and time

of your favorite event

Check the location of

other s/c, or FOV of S-DARN

Check the research-level quality plots

From GT, CL, DSP, and THEMIS.


A demonstration

A demonstration

  • 20UT Nov 20 2001 Cluster vortex event

  • [Hasegawa et al., 2003]


Another demonstration

Another demonstration

  • GT BBF + DMSP

  • [Miyasita, Hori, Hosokawa et al.,

  • in preparation]


Earthward bbfs and ionospheric flows geotail superdarn

Earthward BBFs and Ionospheric flows (Geotail-SuperDARN)

Miyashita, Hosokawa, Hori et al.


Japanese contribution to themis

Research-level quality moment plots

fromTHEMIS is to be put here.

GT,CL,DSP,THEMIS=11 s/c in the magnetosphere.

How can you work efficiently without this tool?


J contribution to themis

J-contribution to THEMIS

  • Geotail is alive and kicking.

  • THE TOOL for multi-spacecraft analyses.

  • What else?


More data from japan cameras in resolute bay and athabasca shiokawa and hosokawa

More data from Japan:Cameras in Resolute Bay and Athabasca(Shiokawa and Hosokawa)


More data from japan reimei hirahara erg ono

More data from Japan: REIMEI (Hirahara)ERG (Ono)


Japanese contribution to themis

Mode-S


Japanese contribution to themis

Mode-H


Japanese contribution to themis

Electron Energy-Time Spectrograms

December 28, 2005

Electron Energy-Time Spectrograms and Aurora Images

December 26, 2005

10

10

10

Electron

(0 – 60 deg.)

Energy (keV)

1

1

1

0.1

0.1

0.1

UT(09:MM:SS) 10:40 10:45 10:50 10:55 11:00 11:05

ILAT 74.2 73.9 73.7 73.4 73.1 72.8

MLT 0.9 0.8 0.8 0.8 0.8 0.8

0.01

0.01

0.01

Electron

(60 – 120 deg.)

Energy (keV)

Electron

(120 - 180 deg.)

Energy (keV)

UT(09:MM:SS) 10:40 10:45 10:50 10:55 11:00 11:05

ILAT 74.2 73.9 73.7 73.4 73.1 72.8

MLT 0.9 0.8 0.8 0.8 0.8 0.8


Themis others reimei

THEMIS+others+REIMEI

  • Realizes event analyses from

  • the Cross-Scale Coupling point of view


Japanese contribution to themis

RMI Quick-Look Data

As of now:

Auroral Images

ftp://ftp.darts.isas.jaxa.jp/pub/index/Level-1/

 (No account ID/password required)

Auroral Particle Spectrograms

http://gedas.stelab.nagoya-u.ac.jp/gtl/REIMEIql/

(Account ID: index, password: aurora05)

http://polaris.nipr.ac.jp/~ebihara/reimei/

(Account ID: reimei, password: index)

Contact to:[email protected]

[email protected]

[email protected]

In near-future:

Easier conjunction event search via DARTS.CEF


Erg mission summary

ERG mission summary


Pre launch efforts

Pre-launch efforts

optical stations

SuperDARN radar

in Hokkaido

Ground-based network observations to middle-latittudes:ex., 2006.11-: SuperDARN rador in Hokkaido, 2007-2008: two optical stations in Siberia.

GEMSIS phase I: 2007-2009: preparation for geospace modeling: Strategic emploment of PostDoctoral researchers are under planning.

Inner magnetospheric observations by THEMIS will provide important observational constraints for the modelings.


J contribution to themis1

J-contribution to THEMIS

  • Geotail is alive and kicking.

  • THE TOOL for multi-spacecraft analyses.

  • Data from Cameras, REIMEI, and input from ERG pre-launch efforts.

  • What else?


The next step

The next step

  • Having found a good event by DARTS.CEF, how would you want to proceed?

  • Maybe STARS is the tool.


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