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Author

H. Van Winckel

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2 papers indexed here

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Review Sep 2026

The optical high-resolution spectral archive of the HERMES spectrograph mounted on the 1.2m Mercator telescope

Context. The HERMES spectrograph is a high-resolution, fibre-fed optical spectrograph of the 1.2m Mercator telescope operated from the Roque de los Muchachos observatory in Spain. HERMES started its scientific operations in June 2009 and has been the workhorse instrument since then. Regular instrument updates have been...

H. Van Winckel, S. Prins, G. Raskin et al. · 0 citations
Preprint Oct 2026

Spectroscopic monitoring of long secondary period variables. The case of J-type carbon stars

Long-secondary-period (LSP) variables are a subclass of long-period variables whose origin is a matter of debate. J-type carbon stars are a subclass of carbon stars enriched in 13C, and the origin of this chemical peculiarity is unclear. In this paper, we report on the discovery of a LSP in two J-type carbon stars: VZ...

L. Planquart, A. Jorissen, H. Van Winckel · 0 citations

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