First detection of helium emissions in RR Lyrae

First detection of oscillations in the Halo giant HD 122563: Validation of seismic scaling relations and new parameters

First detections of the cataclysmic variable AE Aquarii in the near to far infrared with ISO and IRAS: Investigating the various possible thermal and non-thermal contributions

First determination of the dynamical mass of a binary L dwarf

First evidence of interaction between longitudinal and transverse waves in solar magnetic elements

First fringes with an integrated-optics beam combiner at 10 μm. A new step towards instrument miniaturization for mid-infrared interferometry

First models of the s process in AGB stars of solar metallicity for the stellar evolutionary code ATON with a novel stable explicit numerical solver

First multi-wavelength campaign on the gamma-ray-loud active galaxy IC 310

First observation of bald patches in a filament channel and at a barb endpoint