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Issue A&A
Volume 365, Number 2, January II 2001
Page(s) 115 - 117
Section Formation, structure and evolution of stars
DOI http://dx.doi.org/10.1051/0004-6361:20000089



A&A 365, 115-117 (2001)
DOI: 10.1051/0004-6361:20000089

On the nature of V 589 Sagittarii

R. E. Mennickent1 , J. Greiner2 and G. Tovmassian3 .

1  Dpto. de Fisica, Facultad de Ciencias Fisicas y Matematicas, Universidad de Concepcion, Casilla 160-C, Concepcion, Chile
2  Astrophysical Institute Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany
3  Observatorio Astronomico Nacional, Instituto de Astronomia, UNAM, 22860 Ensenada, Mexico

(Received 3 October 2000 / Accepted 30 October 2000)

Abstract
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 HI and HeI 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.


Key words: stars: binaries: general -stars: binaries: symbiotic -stars: evolution -stars: fundamental parameters -stars: V 589 Sgr

Offprint request: R. E. Mennickent, rmennick@stars.cfm.udec.cl

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