CStCyr—SECCHI Paris-Mar 2007--#1 STEREO SECCHI COR1 Status O. C. St. Cyr for J.M. Davila and COR1 science team Heliophysics Science Division – Code 670.

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Presentation transcript:

CStCyr—SECCHI Paris-Mar #1 STEREO SECCHI COR1 Status O. C. St. Cyr for J.M. Davila and COR1 science team Heliophysics Science Division – Code 670 NASA-Goddard Space Flight Center )

CStCyr—SECCHI Paris-Mar #2 COR1 Status COR1-A and COR1-B are both observing regularly as part of the synoptic program Both are returning scientifically-useful images! First light: COR1-A -- December 4, 2006 COR1-B -- December 13, 2006 COR1-B has lower stray light than COR1-A COR1-B objective lens changed at KSC

CStCyr—SECCHI Paris-Mar #3 COR1 pB (24-Jan-2007) minimum daily pixel BehindAhead

CStCyr—SECCHI Paris-Mar #4 BehindAhead COR1 “B” (24-Jan-2007) running difference median

CStCyr—SECCHI Paris-Mar #5 First CME Height-time Plot LASCO/C2 COR1 = 200 km/s a = 5.9 m/s/s 2006/12/30 Gopalswamy and Yashiro

CStCyr—SECCHI Paris-Mar #6 15-Jan to 18-Feb-2007 COR1-ACOR1-B Observing [Days]3135 Data Gaps [Days]40 Average [Images/Day]6762 Cadence [min] CMEs Detected2724 Questionable CMEs69 Stars Detected17 Debris Sightings12

CStCyr—SECCHI Paris-Mar #7 Background Stars 25 Jan Jan 2007 Ecliptic Capricorn COR1 FOV 22 Jan m 5.99 m 5.25 m 5.28 m Stars passing through FOV provide an opportunity to verify alignment and may be useful for intensity calibration Four stars observed during last week of January

CStCyr—SECCHI Paris-Mar #8 COR1 Science Team J. M. Davila, O. C. St. Cyr, B. Thompson, J. Gurman, N. Gopalswamy, and W. Thompson (SECCHI co-I’s) J. McAteer, M. Kramer, H. Cremades, H. Xie, S. Yashiro, N. Reginald, G. Stenborg, T. Moran S. Jones (graduate student) Undergraduate students at MLSO (J. Burkepile) Image enhancement at Mees (Huw Morgan)

CStCyr—SECCHI Paris-Mar #9 COR1 Work-in-Progress Several people working on different methods to remove stray light pattern Dynamic versus static Using stars to determine COR1 intensity calibration and Sun location Stars identified in both A and B Preliminary event list started (duty cycle, CMEs, stars, space debris, etc...)

CStCyr—SECCHI Paris-Mar #10 COR1-B Lunar Transit Movie Base difference in B