Vector Field Production, HMI vs MDI intercalibration

Session Leader: Yang Liu

Vector B (3:30-5:00)

3:30 Intro. (Liu)
3:31 Update: Observing plan (J. Schou/J. Borrero)
3:41 Update: Calibration (J. Schou)
3:51 Intercalibration Discussion
4:01 Update: Inversion Technique (J. Borrero)
4:11 Update: 180-degree Disambiguation (TBD)
4:21 SOLIS Data Calibration, Processing and Products (C. Henney)
4:31 Summary of HMI Vector Field Products (T. Hoeksema)
4:36 Community discussion

HMI plans to provide vector field data in four categories: quick-look, standard, on-demand and on-request.

Basically, quick-look data products are mostly used for helping operating instruments and predicting space weather. Standard data products are served as monitor and reference to meet basic research needs.

On-demand data products are completed for a small fraction of data when interesting things happen or whenever requested. It is expected that this kind of data products will serve most research purposes.

On-request data products are completed when system resources allowed. The discussion is mainly focused on defining the four kinds of products.

Possible topics for discussion

1. Quick-look data products: Which products are needed for these purposes? Whatresolution and cadence of data are needed?
2. Requirements on the other three kinds of data products.
3. Since changes of the horizontal field could occur in fairly short time-scale, any strategies to make synoptic maps of vector magnetic field physically meaningful?
4. Plans for intercalibration of HMI line-of-sight fields with other instruments

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