193 citations · 294 across the 7 of their papers we have counts for
3 papers · 1 filter
Dos and don'ts of reduced chi-squared
Rene Andrae, Tim Schulze-Hartung, Peter Melchior
Reduced chi-squared is a very popular method for model assessment, model comparison, convergence diagnostic, and error estimation in astronomy. In this manuscript, we discuss the p…
A Giant Planet Around a Metal-poor Star of Extragalactic Origin
Johny Setiawan, Rainer J. Klement, Thomas Henning +6
Stars in their late stage of evolution, such as Horizontal Branch stars, are still largely unexplored for planets. We report the detection of a planetary companion around HIP 13044…
The barycentric motion of exoplanet host stars: tests of solar spin-orbit coupling
M. A. C. Perryman, T. Schulze-Hartung
Empirical evidence suggests a tantalising but unproven link between various indicators of solar activity and the barycentric motion of the Sun. The latter is exemplified by transit…