Flows in Active Regions Inferred from the Time-distance and the DAVE4VM.

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Presentation transcript:

Flows in Active Regions Inferred from the Time-distance and the DAVE4VM

Case 1: AR11084

Flows in the AR11084 at 04:00 July on the photosphere from DAVE4VM (left) and at -0.5 Mm from Time-Distance (right).

Height Photosphere NOT SCALED

Rempel’s numerical simulation

Case 2: AR11158

Shear motionSpinning

Flow of AR11158 at 18:00 UT Feb from DAVE4VM (top) and Time-Distance (bottom). Shear motionSpinning

AR11158 at 18:00 Feb

Summary For stable, mature sunspots, the flow in the sunspots is pretty consistent in the range from -0.5 Mm to the photosphere; Except for the flow in the sunspots that seems to switch from inflow to outflow earlier at the photosphere than at -0.5 Mm. For emerging, complex sunspots, the outflow surrounding the sunspots are consistent within -0.5 Mm and the photosphere; part of the shear motion along the magnetic neutral lines is consistent within that range; Inflow in the sunspots and rotation motion seem not to be agreeable at -0.5 Mm and in the photosphere.