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A selection of hot subluminous stars in the GALEX survey II. Subdwarf atmospheric parameters
Péter Németh, Adéla Kawka, Stéphane Vennes
We present an update of our low-resolution spectroscopic follow-up and model atmosphere analysis of hot subdwarf stars from the Galaxy Evolution Explorer (GALEX) survey. Targets we…
Properties of hot subdwarfs in the GALEX survey
Peter Nemeth, Adela Kawka, Stephane Vennes
We have analyzed a sample of hot subdwarfs (sdB, sdO) selected from the GALEX ultraviolet sky survey. Applying a model atmosphere analysis we determined the temperature, surface gr…
A study of high proper-motion white dwarfs I. Spectropolarimetry of a cool hydrogen-rich sample
Adela Kawka, Stephane Vennes
We conducted a spectropolarimetic survey of 58 high proper-motion white dwarfs which achieved uncertainties of >2 kG in the Halpha line and >5 kG in the upper Balmer line series. T…
Binary properties of subdwarfs selected in the GALEX survey
Adela Kawka, Andrzej Pigulski, Simon O'Toole +6
We describe our programme to identify and analyse binary stars among the bright subdwarfs selected in the Galaxy Evolution Explorer (GALEX) survey. Radial velocity time-series help…