COR1 Science Overview

Joseph M DavilaGoddard Space Flight Center

5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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COR1: Internally Occulted

APERTURE DOOR

OBJECTIVE LENS

APERTURE SELECTOR

BAFFLES

FIELD LENS, OCCULTER, LIGHT TRAP

BAFFLES

LYOT STOP, DOUBLET-1, LYOT SPOT, FILTER

POLARIZER

DOUBLET-2

SHUTTER

FOCAL PLANE MASK

FOCAL PLANE ASSEMBLY

FOCAL PLANE RADIATOR

5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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First COR1 CME

5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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First CME Height-time Plot

LASCO/C2

COR1

<V> = 200 km/sa = 5.9 m/s/s

2006/12/30Gopalswamy and Yashiro

5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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CME Event 1/25/07

5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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1/25/07 Event: EIT Images

5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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1/25/07 Event: C2 and C3

5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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dd

Scenario

235,000 km COR1 Loop

144,000 km EIT Loop

COR1 Occulter171 304 195 285

5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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Background Stars

• Stars passing through FOV provide an opportunity to verify alignment

• Four stars observed during last week of January

PlayMovie

Capricorni 5.23m

5 March 2007 5th SECCHI Consortium MeetingOrsay, France

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Visible Background Stars

25 Jan 2007

28 Jan 2007 Ecliptic

Capricorn

COR1 FOV

22 Jan 2007

5.10m

5.99m

5.25m

5.28m