A new Be star in an open cluster - NGC 6871-8

Astronomy and Astrophysics – Astronomy

Scientific paper

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B Stars, Open Clusters, Stellar Atmospheres, Stellar Spectra, Variable Stars, Absorption Spectra, Emission Spectra, H Alpha Line

Scientific paper

Spectroscopic observations of Hα show that star 8 in the open
cluster NGC 6871 is a previously undiscovered Be star. The Hα
profile was observed to vary from clear emission to pure absorption over
a period of ten days; later observations over a five-day interval show
weak emission along with asymmetries and filling in of the profile.

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