The lockheed diode array magnetograph

✍ Scribed by Robert C. Smithson

• Book ID: 104654184
• Publisher: Springer
• Year: 1975
• Tongue: English
• Weight: 1022 KB
• Volume: 40
• Category: Article
• ISSN: 0038-0938
• DOI: 10.1007/bf00183167

✦ Synopsis

A new magnetograph using a solid state monolithic linear silicon diode array has been constructed at Lockheed Solar Observatory. This magnetograph uses a digital image processor, and makes data available both in digital and analog form. The diode array detector is capable of a signalto-noise ratio of 2000: 1 or better when cooled to a temperature of 40 deg centigrade. Thus, intensity differences of the order of one part in a thousand may easily be detected without signal averaging. This instrument may be considered a prototype for an instrument using a two-dimensional array. The magnetograph is now fully operational, and is being used to produce data for statistical studies of solar magnetic field diffusion.