Plate 10: Two Be Stars

Star Index

Plate 10: Two Be Stars

The Hα and Hβ lines are in emission in ζ Tau, but are not in the spectral region shown here; other emission lines are observed on high–dispersion plates in the blue region. The shell components in the Balmer lines in ζ Tau are very strong — and contrast markedly with the diffuse lines of He I. Narrow emission is observed at Hγ in μ Cen; the Balmer lines are very broad and strong in absorption.

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