Solar Vector Magnetograph at Udaipur Solar Observatory: New Results (P18)

Details Solar Vector Magnetograph at Udaipur Solar Observatory: New Results (P18) Solar Vector Magnetograph at Udaipur Solar Observatory: New Results (P18)

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ihy..worke.110g&link_type=abstract

2nd UN/NASA Workshop on International Heliophysical Year and Basic Space Science. Proceedings of the conference held 27 Novembe

Astronomy and Astrophysics

Astrophysics

Scientific paper

A new Solar Vector Magnetograph has become operational at Udaipur Solar Observatory. The magnetograph is a straight telescope with no net instrumental polarization. The instrument consists of servo stabilized Fabry-Perot etalon which acts as a tunable narrow band filter. A dual beam polarimeter is designed to overcome seeing induced spurious polarization effects. The polarimeter modulator consists of two quartz waveplates mounted in a precision rotary mount. The polarization is measured at different wavelength positions across the spectral line. The polarized line profiles thus observed are reduced and inverted under Milne-Eddington inversion scheme. I would like to present the details of the instrument and its observational capabilities. Also, the data analysis and reduction software will be described.

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