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| Joint Astronomy Centre |
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Focus Report - May and June 2009
The focus data yield the following statistics and trends:
Month FE Axis N mean ± Notes
----- ---- ---- --- ------- ------ ---------------------
May RxA Z 41 0.04 0.11 3 < Tmean < 15
X 22 -0.16 0.18
Y 19 -0.08 0.13
May HARP Z 91 0.14 0.16 1 < Tmean < 14
X 30 -0.34 0.14
Y 30 -0.17 0.09
June RxA Z 16 0.37 0.18 5 < Tmean < 12
X 11 -0.15 0.13
Y 10 0.03 0.08
June HARP Z 123 0.07 0.14 3 < Tmean < 18
X 33 -0.34 0.14
Y 33 -0.18 0.12
The trends for March and April are given below. The strong trends seen previously remain. This can likely be attributed to these minths being amoung the warmest of the year.
May: HARP Z = (+0.55 ± 0.07)*sin(el) s.d. 0.12 May: RXA Z = (+0.28 ± 0.08)*sin(el) s.d. 0.98 Jun: HARP Z = (+0.27 ± 0.08)*sin(el) s.d. 0.14 Jun: RXA Z = (+0.61 ± 0.31)*sin(el) s.d. 0.16
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