Small Scale Magnetic Field Mapping with High Temporal Resolution

Two dimensional maps of the longitudinal magnetic field can be readily calculated for small-scale magnetic regions. Here we use a one hour time sequence of high spatial resolution (0.75 arc sec) filtergrams, obtained at the Sacramento Peak Vacuum Tower Telescope with the universal filter (UBF) in th...

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Bibliographic Details
Main Authors: Dara, H C, Alissandrakis, C E, Koutchmy, S
Format: Report
Language:English
Subjects:
Astrophysics
Electricity and Magnetism
FISCAL YEAR 93
FLUX TUBES
MAGNETIC FIELDS
MAPPING
PE61102F
SACRAMENTO PEAK VACUUM TOWER TELESCOPE
SBI1
SOLAR MAGNETIC FIELDS
SOLAR OBSERVATIONS
SOLAR OBSERVATORIES
SOLAR PHYSICS
SUN
TELESCOPES
TWO DIMENSIONAL
UBF(UNIVERSAL FILTER)
WUPL2311G327
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Summary:Two dimensional maps of the longitudinal magnetic field can be readily calculated for small-scale magnetic regions. Here we use a one hour time sequence of high spatial resolution (0.75 arc sec) filtergrams, obtained at the Sacramento Peak Vacuum Tower Telescope with the universal filter (UBF) in the wings of the magnetically sensitive lambda 6103 CaI line. The time difference between two magnetic maps is 32 sec. The measurements of the magnetic field in the blue wing are about 40% higher than in the red wing. Pub. in Proceedings of the National Solar Observatory on Solar Polarimetry (11th), p257-262, 27-31 Aug 1990.