Design of Instrument Control Software for Solar Vector Magnetograph at Udaipur Solar Observatory

Details Design of Instrument Control Software for Solar Vector Magnetograph at Udaipur Solar Observatory Design of Instrument Control Software for Solar Vector Magnetograph at Udaipur Solar Observatory

Apr 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004exa....18...31g&link_type=abstract

Experimental Astronomy, Volume 18, Issue 1-3, pp. 31-38

Astronomy and Astrophysics

Astronomy

9

Control Software, Magnetograph, Polarimeter, Sun

Scientific paper

A magnetograph is an instrument which makes measurement of solar magnetic field by measuring Zeeman induced polarization in solar spectral lines. In a typical filter based magnetograph there are three main modules namely, polarimeter, narrow-band spectrometer (filter), and imager(CCD camera). For a successful operation of magnetograph it is essential that these modules work in synchronization with each other. Here, we describe the design of instrument control system implemented for the Solar Vector Magnetograph under development at Udaipur Solar Observatory. The control software is written in Visual Basic and exploits the Component Object Model (COM) components for a fast and flexible application development. The user can interact with the instrument modules through a Graphical User Interface (GUI) and can program the sequence of magnetograph operations. The integration of Interactive Data Language (IDL) ActiveX components in the interface provides a powerful tool for online visualization, analysis and processing of images.

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