Real-time Frame Selector 2 and Convective Structure in Emerging Flux Region

contents(1) Real-time Frame Selector 2(2) Local Correlation Tracking Method(3) Convective Structure in Emerging Flux Region (Hida data)(4) Convective Structure in Emerging Flux Region (LaPalma data)

(Shibata)

Feature Tracking orCorrelation Tracking

(1) Real-time Frame Selector 2

Data flow chart

Old RTFS and RTFS2

1Frame rate1530 CCD video camera CCD cameraAD/DADark image 1.56 0.51FOV 120 arcsec2 240 arcsec2User interface text GUI

(2) Local Correlation Tracking Method

tracerTracer Intensity CC)

displacement map

(3) Delta(1) Box(2) SearchLCTM (Box) tracer (Search) seeing (Delta) tracer 5

even-odd12340++++5+Delta = 4 ++++AllEvenOdd

reverse+++++All+++++All()()

(3) Convective Structure in Emerging Flux RegionHida data

G-band image (128x132Mm)

SOHO/MDI NOAA8582movie

SOHO/MDI NOAA8582 ROImovie

Flux plot11 Jun 0:0018 Jun 14:0014 Jun 06:244x1052x1050x105observation

Ha image with G-band contour (47x33 Mm)Ha centerblue wingHa-0.6Ared wingHa+0.6Ared - blue

G-band image (47x33 Mm) and contour of 2 emerging flux loops

LCTM parameters

Horizontal Velocity map (100 min averaged)Max speed = 0.487 km/sec at (23,12)

Divergence image(100 min averaged)

Reverse test

37.5 min averaged divergence maps21:24-22:0221:37-22:1421:49-22:2722:02-22:3922:14-22:5222:27-23:04movie

3Lifetime of Meso-scale flow 30--50 minDivergence structure at emerging flux loopsLifetime >100 min (Strous et al 1996)Size 5 Mm (

(4) Convective Structure in Emerging Flux RegionLaPalma data

La Palma Observatory (Spain)NOAA 8218 (S20 W20)13th May 1998 12:45-16:35 UT, 3 hours 50 mins.4305 G band411 imagesTime resolution 30 secSpace resolution 0.1 arcsec/pixelCa II 3933 K lineFe I 6302 LCP, RCP, continuumHa 6356, +/-350m, -700m

G band data28 kmROI1.4 km

Ha flare locationBrooks

even-odd12340++++5+Delta = 4 ++++AllEvenOdd

N/S

DeltaN/SBox=5Search=520Delta=220Delta=4,6Granule regionDelta246..20200150

DeltaN/SBox=10Search=520Delta=220Delta=4,6Granule region152000

DeltaN/SBox=15Search=520Delta=220Delta=4Granule region152000

DeltaN/SBox=5Search=520Delta=220Delta=16,18pore region102000

DeltaN/SBox=10Search=520Delta=220Delta=18,20pore region102000

DeltaN/SBox=15Search=520Delta=220Delta=16pore region102000

Granule region Box=20 Box Delta=4 N/S 0.3 Pore region box=5 Delta=16 20 N/S 0.2

Velocity Field (granule 3)Box=10Search=5Delta=4granule regionAve. Vel. 0.172 km/secMax Vel. 0.489 km/sN/S 0.608Max Vel.

N/S (granule 3)Box=10Search=5Delta=4granule regionAve. Vel. 0.172 km/secMax Vel. 0.489 km/sN/S 0.608Max Vel.

Velocity Field (pore 7)Box=10Search=5Delta=4pore regionAve. Vel. 0.078 km/secMax Vel. 0.542 km/sN/S 0.239Max Vel.

N/S (pore 7)Box=10Search=5Delta=4pore regionAve. Vel. 0.078 km/secMax Vel. 0.542 km/sN/S 0.239Max Vel.(granule)

Granule regionDelta=4 (2)Box 0.16 km/sec 30%Pore region Delta=16-20 8-102Box=5 0.5 arcsec0.19 km/sec20%even-odd Delta Reverse

1.68 km/sec 0.47 km/sec 20-30 %

12h08m12:49-14:57

22h11m13:13-15:24EFR

32h00m14:06-16:00

41h10m12:50-14:00EFR

51h53m13:14-15:07EFR

61h47m13:50-15:37EFR

71h17m14:17-15:34

(EFR

12h08m12:49-14:57

22h11m13:13-15:24EFR

32h00m14:06-16:00

41h10m12:50-14:00EFR

51h53m13:14-15:07EFR

61h47m13:50-15:37EFR

71h17m14:17-15:34

Ha blue wing movie

Search Delta tracer 2 km/sec Delta 2 (km/sec) x 30Delta (sec) / 70 (km/pixel) = Delta x 6/7 (pixel)Search = Deltaseeing pixel Search Box, Delta

Box = 5, 10, 15, 20Delta = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20