304 citations · 3.8k across the 146 of their papers we have counts for
12 papers · 1 filter
Search for stellar spots in field blue horizontal-branch stars
E. Paunzen, K. Bernhard, S. Huemmerich +3
Blue horizontal-branch stars are Population II objects which are burning helium in their core and possess a hydrogen-burning shell and radiative envelope. Because of their low rota…
T Tauri stars in the SuperWASP and NSVS surveys
Ľubomír Hambálek, Martin Vaňko, Ernst Paunzen +1
We present a study of the long-term optical variability of young T Tauri stars using previously unpublished data from the SuperWASP project. Other publicly available photometry fro…
TYC 3637-1152-1 - a High Amplitude delta Scuti star with peculiar pulsational properties
Ernst Paunzen, Klaus Bernhard, Moriz Frauenberger +16
In some delta Scuti stars, only one or two radial modes are excited (usually the fundamental mode and/or first overtone mode) and the observed peak-to-peak amplitudes exceed 0.3 ma…
Evidence of enhanced magnetism in cool, polluted white dwarfs
Adela Kawka, Stephane Vennes, Lilia Ferrario +1
We report the discovery of a new, polluted, magnetic white dwarf in the Luyten survey of high-proper motion stars. High-dispersion spectra of NLTT 7547 reveal a complex heavy eleme…
The Kepler view of magnetic chemically peculiar stars
Stefan Hümmerich, Zdenek Mikulášek, Ernst Paunzen +6
Magnetic chemically peculiar (mCP) stars exhibit complex atmospheres that allow the investigation of such diverse phenomena as atomic diffusion, magnetic fields, and stellar rotati…
CCD UBV photometric study of five open clusters - Dolidze 36, NGC 6728, NGC 6800, NGC 7209 and Platais 1
Z. F. Bostanci, T. Yontan, S. Bilir +9
In this study, we present CCD UBV photometry of poorly studied open star clusters, Dolidze 36, NGC 6728, NGC 6800, NGC 7209, and Platais 1, located in the first and second Galactic…