Major conjunction Feb 14 2:30 substorm 3:15 substorm

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Presentation transcript:

Major conjunction Feb 14 2:30 substorm 3:15 substorm 2:32 precursor, 2:38 activation, 2:43 onset 3:15 substorm 3:52 substorm/high latitude intensification? 7:00 substorm Vassilis, 2/25/2008

Ground Mags ?

Major conjunction Feb 14 2:30 substorm 3:15 substorm 2:32 precursor, 2:38 activation, 2:43 onset 3:15 substorm 3:52 substorm/high latitude intensification?

Substorm(s) 02:30-04:00UT

P1 (TH-B) (key at back)

P2 (TH-C) (key at back)

P3 (TH-D) (key at back)

P4 (TH-E) (key at back)

P5 (TH-A) (key at back)

P1 (TH-B) Bxyz, GSM coords ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

P2 (TH-C) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

P1 (TH-B) Bxyz, GSM coords ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

P2 (TH-C) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

Major conjunction Feb 14 7:00 substorm Substorms 02:30-03:00UT & 4:15 UT Major conjunction Feb 14 7:00 substorm

Substorm 07:00UT

P1 (TH-B) (key at back)

P2 (TH-C) (key at back)

P3 (TH-D) (key at back)

P4 (TH-E) (key at back)

P5 (TH-A) (key at back)

P1 (TH-B) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

P2 (TH-C) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

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