Ring-diagram analysis of high-resolution MDI Dopplergrams

High-resolution MDI Doppler data sets

Year Begin End Hours Carr. Lons Size Latitude Notes
1997 03.13 03.16 86 1920:190-185 1024×640 -5° - +20°
1997 06.13 06.18 125 1923:40-10 1024×640 +2°.5 - +27°.5
1997 06.30 07.14 317 1924:170-35 1024×640 +5° - +30°
1998 03.07 04.10 804 1933:125-1934:75 1024×600 -2°.5 - +20° four multi-hour gaps of durations 3:25 - 8:17
1998 05.01 05.06 69 700×700 circular polarization
1998 12.01 12.04 77 1024×500 circular polarization