Astrophysical: Techniques

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    Gregor@night: The future high-resolution stellar spectrograph for the GREGOR solar telescope
    We describe the future night-time spectrograph for the GREGOR solar telescope and present its science core projects. The spectrograph provides a 3-pixel...
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    GRIS: The GREGOR Infrared Spectrograph
    This paper describes the main characteristics of GRIS (GREGOR Infrared Spectrograph), the grating spectrograph installed in the recently inaugurated (May 2012)...
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    Ground-based follow-up in relation to Kepler asteroseismic investigation
    The Kepler space mission, successfully launched in March 2009, is providing continuous and high-precision photometry of thousands of stars simultaneously. The...
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    Ground-based multi-color photometry of the γ Doradus-δ Scuti hybrid star KIC 6761539
    We present a preliminary analysis of the first three nights of multi-color photometric data for a γ Doradus-δ Scuti hybrid star (KIC 6761539) that is also being...
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    Ground-based Near-infrared Observations of the Secondary Eclipse of CoRoT-2b
    We present the results of a ground-based search for the secondary eclipse of the 3.3 M Jup transiting planet CoRoT-2b. We performed near-infrared photometry...
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    Ground-based photometry of space-based transit detections: photometric follow-up of the CoRoT  mission
    The motivation, techniques and performance of the ground-based photometric follow-up of transit detections by the CoRoT space mission are presented. Its...
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    Ground-based transit observations of the super-Earth GJ 1214 b
    Context. GJ 1214 b is one of the few known transiting super-Earth-sized exoplanets with a measured mass and radius. It orbits an M-dwarf, only 14.55 pc away...
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    GTC OSIRIS z-band imaging of Y dwarfs
    Aims: The aim of the project is to contribute to the characterisation of the spectral energy distribution of the coolest brown dwarfs discovered to date, the Y...
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    GTC/OSIRIS Spectroscopic Identification of a Faint L Subdwarf in the UKIRT Infrared Deep Sky Survey
    We present the discovery of an L subdwarf in 234 deg2 common to the UK InfraRed Telescope (UKIRT) Infrared Deep Sky Survey Large Area Survey Data Release 2 and...