Spectroscopy using a visible photonic lantern at the Subaru Telescope: Laboratory characterization and the first on-sky demonstration on Ikiiki (α Leo) and ‘Aua (α Ori)

Open Access

Fig. 16

Ikiiki calibrated spectrum compared to its reference. The spectral features detected are oxygen bands A and B from the Earth’s atmosphere (around 761 nm and 687 nm respectively), and Hα (at about 656 nm).

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