On the nature of V 589 Sagittarii

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Stars: Binaries: General, Stars: Binaries: Symbiotic, Stars: Evolution, Stars: Fundamental Parameters, Stars: V 589 Sgr

Scientific paper

We present optical and near infrared spectroscopy of the symbiotic star candidate V 589 Sgr. The presence of TiO and VO absorption bands, along with strong H I and He I emissions, confirm the symbiotic star classification, although the primary is clearly rather cooler than is common in symbiotics. Following standard spectroscopic methods, a spectral type of M4 III is derived for the cool component, along with a distance of 8 kpc.

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