GEM Conference 1 Zermatt Utah 06/25/2008

Launch=2007-02-17

2007-03-23

2007-06-03

2007-07-15

2007-08-30

2007-12-04

XGSE

YGSE

TH-B

TH-C

TH-D

TH-E

TH-A

P1

P2

P3

P4

P5

First 10 months

Angelopoulos, 2008Space Sci. Rev.In Presshttp://themis.ssl.berkeley.edu/

GEM Conference 2 Zermatt Utah 06/25/2008

Tail 12008-02-02

Dayside 12008-08-08

XGSE

YGSE

TH-B

TH-C

TH-D

TH-E

TH-A

P1

P2

P3

P4

P5

First year baseline orbit

Angelopoulos, 2008Space Sci. Rev.In Press

GEM Conference 3 Zermatt Utah 06/25/2008

2008 tail season

Feb-14Feb-10

Feb-6Feb-2

Feb-18 Feb-22 Feb-26Midnight Pre-midnight

Jan-29

Feb-26

Jan-29

Mar-01

GEM Conference 4 Zermatt Utah 06/25/2008

-200

-100

0

100

07:00 07:30 08:00 08:30 09:00

2008 January 29

0714 0738

0831

AU, AL

P3(D)

Right-on for 1st onsetEast of 2nd and 3rd onsets (1RE)Each onset preconditions (relaxes) tail

XGSM

YGSM

10 RE

10 RE

–30 RE

P1(B)P2(C)P3(D)

P4(E)P5(A)

Jan 29, 2008 substorm

GEM Conference 5 Zermatt Utah 06/25/2008

Mar 1, 2008 substorms01:48UT precursor 01:54UT main onset

01:48:52UT

01:54:30UT

GEM Conference 6 Zermatt Utah 06/25/2008

• Feb 16, 2:19, 2:45UT (Nakamura et al) and 4:50UT onsets (Gabrielse et al., JGR)– P2 At 2.5RE from nominal neutral sheet– At 20RE, initial activations accompanied by Swd, or bipolar field

• Tailward beams close to the neutral sheet

– If at the right meridian, P2 shows clear signatures within ~1min of onset

• Feb 22, 4:37UT onset (See: Liu, J. et al, JGR)– P1, P2 At 1.5RE from nominal neutral sheet– At 30RE, initial onset accompanied by bipolar field

• Twd beams accompany by Swd field

– P1 signatures start within ~1min of ground onset

• Feb 26, 4:37UT onset (In progress: Angelopoulos, V. et al, Science)– P1, P2 At 0.5RE from nominal neutral sheet– At 20RE, reconnection onset 96 s before ground signatures

• Mar 01, 01:48:52UT, 01:54:30UT onsets (See: Runov, A. et al)– P1, P2 At 0. 5RE from nominal neutral sheet– At 23RE, onsets accompanied by tailward flows, southward fields

• Twd beams arrived ahead of flows• P1 signatures start within <1min of ground onset

Event summary: 2008

GEM Conference 7 Zermatt Utah 06/25/2008

• Open GGCM or Batsrus results for THEMIS events available at CCMC– … see Masha Kuznetsova, visit: http://ccmc.gsfc.nasa.gov/

• Tsyganenko mapping results for all THEMIS events available at StPetersburg Univ web server: http://geo.phys.spbu.ru/themis/MODELS_PUBLIC

– … see Marina Kubyshknina

• Substorm current wedge mapping results for all THEMIS events available at StPetersburg Univ web server: http://geo.phys.spbu.ru/themis/scw

– … see Marina Kubyshknina

• THEMIS plots/tools/data available on-line (http://themis.ssl.berkeley.edu)– Tutorials, presentations on line

– Software presentations tomorrow (Thursday) tutorial, software clinic

• Subsets for THEMIS substorms will be available on GEM wiki

THEMIS Tools, Simulations and GEM