We present NORVIS (NORdlys Versatile Imaging Spectrograph), a portable broadband imaging spectrograph developed for ground-based auroral observations. Based on the Star'Ex optical …
Auroral spectrographs such as the Auroral Spectrograph In Skibotn (ASIS) record hundreds of thousands of emission spectra, but only a few hundred can be labelled by an expert. To …
This study evaluates the ability and limitations of existing visual foundation models, based on ViT, SwinV2, BEiT, and DINOv2, for astronomical applications, particularly galaxy …
Results of a STAROS monitoring campaign on the bright eclipsing binary star α Draconis. Over 200 high-resolution spectra were obtained by an international group of amateur …