Information on resource 'authentication test for mirs'

Spectroscopic observations of the solar corona with VELC is carried out in the emission line centred at 5303Å [Fe XIV]. This is also called the ‘green’ line. The pass band (Full Width at Half Maximum) of this spectroscopic channel is ~7Å. The field of view (FoV) covers the solar corona in the heliocentric distance range 1.05 - 1.5 solar radii (i.e. a height range of ~0.05 – 0.5 solar radii above the solar limb whose heliocentric distance is 1 solar radii). The radius of the occulting disk in the VELC is 1.05 solar radii. The pixel resolution for observations in the 5303 Å channel of VELC is 1.25 arcsec. Spectral dispersion is ~28mÅ.

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ISRO

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