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HMI MDI Comparison Y. Liu. CR 2104 CR 2109 MDI = 1.2 * HMI 720s / 45s.

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Presentation on theme: "HMI MDI Comparison Y. Liu. CR 2104 CR 2109 MDI = 1.2 * HMI 720s / 45s."— Presentation transcript:

1 HMI MDI Comparison Y. Liu

2 CR 2104

3 CR 2109

4 MDI = 1.2 * HMI 720s / 45s

5 Mean Field

6 HMI Magnetic Field Noise Pattern Gaussian with of 10000 magnetograms

7 MDI Magnetic Field Noise Pattern MDI has pronounced spatial noise pattern

8 HMI & MDI Doppler/Magnetic Leakage

9 Synoptic HMI/MDI Noise Comparison vs Longitude

10 Average line-of-sight magnetic field versus sine latitude observed in HMI synoptic map

11 Synoptic / Synchronic Features are stretched far from reference

12 Time-of-Day Variation - 01 UT and 13 UT

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