A Digital Imaging Multi-Slit Spectrograph for Measurement of Line-of-Sight Velocities on the sun

Details A Digital Imaging Multi-Slit Spectrograph for Measurement of Line-of-Sight Velocities on the sun A Digital Imaging Multi-Slit Spectrograph for Measurement of Line-of-Sight Velocities on the sun

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999soph..185...61s&link_type=abstract

Solar Physics, v. 185, Issue 1, p. 61-68 (1999).

Physics

3

Scientific paper

A multi-slit digital imaging spectrograph has been installed at Udaipur Solar Observatory, Udaipur (India) to measure the line-of-sight velocities in Hα associated with the mass motions of the dynamic phenomena on the solar surface viz. solar flares, eruptive prominences and surges. This spectrograph is being used in conjunction with a 15 cm aperture Coudé telescope to obtain the Hα spectra at a high rate of a specific region of interest on the Sun. In this paper, we describe the principal features of this instrument and the data acquisition method. We also present spectral observations of a surge and a quiescent prominence recorded using this instrument.

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