32 citations · 56 across the 4 of their papers we have counts for
4 papers
Spatially resolved spectroscopy across stellar surfaces. II. High-resolution spectra across HD209458 (G0V)
Dainis Dravins, Hans-Günter Ludwig, Erik Dahlén +1
CONTEXT: High-resolution spectroscopy across spatially resolved stellar surfaces aims at obtaining spectral-line profiles that are free from rotational broadening; the gradual chan…
Spatially resolved spectroscopy across stellar surfaces. I. Using exoplanet transits to analyze 3-D stellar atmospheres
Dainis Dravins, Hans-Günter Ludwig, Erik Dahlén +1
CONTEXT: High-precision stellar analyses require hydrodynamic modeling to interpret chemical abundances or oscillation modes. Exoplanet atmosphere studies require stellar backgroun…
Exoplanet transits enable high-resolution spectroscopy across spatially resolved stellar surfaces
Dainis Dravins, Hans-Günter Ludwig, Erik Dahlén +1
Observations of stellar surfaces - except for the Sun - are hampered by their tiny angular extent, while observed spectral lines are smeared by averaging over the stellar surface,…
Stellar Spectroscopy during Exoplanet Transits: Dissecting fine structure across stellar surfaces
Dainis Dravins, Hans-Günter Ludwig, Erik Dahlén +1
Differential spectroscopy during exoplanet transits permits to reconstruct spectra of small stellar surface portions that successively become hidden behind the planet. The center-t…