#calcium_triplet

Calcium triplet

Three ionised calcium spectral lines at 8498 Å, 8542 Å and 8662 Å.

The infrared Ca II triplet, commonly known as the calcium triplet, is a triplet of three ionised calcium spectral lines at the wavelengths of 8498 Å, 8542 Å and 8662 Å. The triplet has a strong emission, and is most prominently observed in the absorption of spectral type G, K and M stars.

Tue 30th

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