Hinode's SP and G-band co-alignment
R. Centeno (1), B.W. Lites (1), A.G. de Wijn (1), D. Elmore (2) ((1), High Altitude Observatory, Boulder CO (2) National Solar Observatory, Sunspot, NM)
TL;DR
This paper examines the alignment between Hinode's G-band images and SP maps, identifying offsets and non-linear effects, and provides calibration methods to improve co-alignment accuracy.
Contribution
It introduces calibration functions and parameters to correct pixel scale and positioning errors in Hinode's SP and G-band data.
Findings
Identified systematic off-sets between G-band images and SP maps.
Characterized second order non-linear effects in SP's slit scanning.
Provided calibration functions for improved data co-alignment.
Abstract
We analyze the co-alignment between Hinode's BFI-Gband images and simultaneous SP maps with the aim of characterizing the general off-sets between them and the second order non-linear effects in SP's slit scanning mechanism. We provide calibration functions and parameters to correct for the nominal pixel scales and positioning.
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Taxonomy
TopicsPhonetics and Phonology Research