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The eclipsing post-common envelope binary CSS21055: a white dwarf with a probable brown-dwarf companion
K. Beuermann, S. Dreizler, F. V. Hessman +6
We report photometric observations of the eclipsing close binary CSS21055 (SDSS J141126+200911) that strongly suggest that the companion to the carbon-oxygen white dwarf is a brown…
Using a model for telluric absorption in full-spectrum fits
Tim-Oliver Husser, Kathrin Ulbrich
The typical approach for removing telluric absorption lines from a science spectrum is to divide it by the spectrum of a standard star of spectral type A or B observed close in tim…
An Independent Planet Search In The Kepler Dataset. II. An extremely low-density super-Earth mass planet around Kepler-87
Aviv Ofir, Stefan Dreizler, Mathias Zechmeister +1
[ABRIDGED]: Aims: two candidates in the KOI 1574 system are relatively long-period (about 114d and 191d) and in 5:3 resonance. We therefore search for TTVs in this particularly pro…
A new extensive library of PHOENIX stellar atmospheres and synthetic spectra
Tim-Oliver Husser, Sebastian Wende - von Berg, Stefan Dreizler +4
We present a new library of high-resolution synthetic spectra based on the stellar atmosphere code PHOENIX that can be used for a wide range of applications of spectral analysis an…