High-resolution spectroscopy in the near-infrared could become the leading method for discovering extra-solar planets around very low mass stars and brown...
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PublicaciónA New Gas Cell for High-precision Doppler Measurements in the Near-infrared
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PublicaciónA New Technique for Performing Two-Dimensional Spectroscopy of Objects of Large Dynamic Range: The Binary System HD 167605 A+B
We present a new technique for performing two-dimensional (integral-field) spectroscopy of objects with a large range in intensity. It is based on the...
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PublicaciónA polarization model for the German Vacuum Tower Telescope from in situ and laboratory measurements
It is essential to properly calibrate the polarimetric properties of telescopes, if one wants to take advantage of the capabilities of high precision spectro...
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PublicaciónA prototype for the PASS Permanent All Sky Survey
A prototype system for the Permanent All Sky Survey (PASS) project is presented. PASS is a continuous photometric survey of the entire celestial sphere with a...
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PublicaciónA retrospective of the GREGOR solar telescope in scientific literature
In this review, we look back upon the literature, which had the GREGOR solar telescope project as its subject including science cases, telescope subsystems, and...
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PublicaciónA return to strong radio flaring by Circinus X-1 observed with the Karoo Array Telescope test array KAT-7
Circinus X-1 is a bright and highly variable X-ray binary which displays strong and rapid evolution in all wavebands. Radio flaring, associated with the...
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PublicaciónA search for photometric variability towards M71 with the Near-Infrared Transiting ExoplanetS Telescope
We present the results of a high-cadence photometric survey of an 11 arcmin × 11 arcmin field centred on the globular cluster M71, with the Near-Infrared...
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PublicaciónA spectral atlas of Landolt stars for a reliable mid-IR spectrophotometric calibration for large telescopes
It is often stated that there is no point in obtaining mid-infrared data with S/N>20, even in the best of cases, because it is impossible to obtain a...
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PublicaciónA super-Earth and a sub-Neptune orbiting the bright, quiet M3 dwarf TOI-1266
We report the discovery and characterisation of a super-Earth and a sub-Neptune transiting the bright (K = 8.8), quiet, and nearby (37 pc) M3V dwarf TOI-1266...