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The chromospherically active binary star EI Eridani II. Long-term Doppler imaging
A. Washuettl, K. G. Strassmeier, M. Weber
Data from 11 years of continuous spectroscopic observations of the active RS CVn-type binary star EI Eridani - gained at NSO/McMath-Pierce, KPNO/Coude Feed and during the MUSICOS 9…
The chromospherically active binary star EI Eridani I. Absolute dimensions
A. Washuettl, K. G. Strassmeier, T. Granzer +2
We present a detailed determination of the astrophysical parameters of the chromospherically active binary star EI Eridani. Our new radial velocities allow to improve the set of or…
The dark connection between the Canis Major dwarf, the Monoceros ring, the gas flaring, the rotation curve and the EGRET excess of diffuse Galactic Gamma Rays
W. de Boer, I. Gebauer, M. Weber +3
The excess of diffuse galactic gamma rays above 1 GeV, as observed by the EGRET telescope on the NASA Compton Gamma Ray Observatory, shows all the key features from Dark Matter (DM…
The Blazhko behaviour of RR Geminorum I - CCD photometric results in 2004
J. Jurcsik, Á. Sódor, M. Váradi +9
Extended CCD monitoring of RR Gem revealed that it is a Blazhko type RRab star with the shortest Blazhko period (7.23d) and smallest modulation amplitude (Delta Mmax<0.1 mag) curre…