HiPERCAM is a quintuple-beam imager that saw first light on the 4.2 m William Herschel Telescope (WHT) in October 2017 and on the 10.4 m Gran Telescopio...
First measurements and upgrade plans of the MAGIC intensity interferometer
The two MAGIC 17-m diameter Imaging Atmospheric Cherenkov Telescopes have been equipped to work also as an intensity interferometer with a deadtime-free, 4...
First OB-stars in the iron-poor Local Group galaxy sextans A
The study of the early Universe relies on our ability to check our models by analyzing the behaviour of astrophysical objects at conditions close to those of...
First OB-stars in the iron-poor local group galaxy Sextans A
Massive stars are crucial to understand the chemical and dynamical evolution of the Universe. Our knowledge of their physics at sub-SMC metallicities, dominant...
First Observational Evidences for the Presence of Active, Localized Magnetic Structures in White Dwarfs
The magnetic white dwarf WD 1953-011 demonstrates the presence of two-component magnetic field geometry in photosphere. The geometry consists of a weak, large...
First Performance of the GOLF-NG Instrumental Prototype Observing the Sun in Tenerife
The primary challenge of Global Oscillations at Low Frequency New Generation (GOLF-NG) is the detection of the low-frequency solar gravity and acoustic modes...
First Release of PLATO Consortium Stellar Limb-darkening Coefficients
We release the first grid of stellar limb-darkening coefficients (LDCs) and intensity profiles (IPs) computed by the consortium of the PLAnetary Transits and...