A new method of magnetograph observation of the photospheric brightness, velocity, and magnetic fields
Abstract
Several improvements have been made to the Mount Wilson Observatory solar magnetograph, including changes to the guider, the Doppler compensator, and the data-handling system. The improved magnetograph has been used for a new type of solar observation consisting of several hundred scans back and forth along a straight line of length 3/4 R0 perpendicular to central meridian. The data reduction, which is done entirely with a computer, eliminates those effects which have their origin in the earth-sun geometry. The spatial and temporal properties of the 5-min oscillations are discussed.
- Publication:
-
Solar Physics
- Pub Date:
- July 1968
- DOI:
- 10.1007/BF00149559
- Bibcode:
- 1968SoPh....4..286H
- Keywords:
-
- Magnetic Field;
- Data Reduction;
- Temporal Property;
- Central Meridian;
- Solar Observation