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NLTE analysis of the methylidyne radical (CH) molecular lines in metal-poor stellar atmospheres
S. A. Popa, R. Hoppe, M. Bergemann +3
An analysis of the CH molecule in non-local thermodynamic equilibrium (NLTE) is performed for the physical conditions of cool stellar atmospheres typical of red giants (log g = 2.0…
First release of PLATO consortium stellar limb-darkening coefficients
Giuseppe Morello, Jeffrey Gerber, Bertrand Plez +4
We release the first grid of stellar limb-darkening coefficients (LDCs) and intensity profiles (IPs) computed by the consortium of the PLAnetary Transits and Oscillations of stars…
StarDICE I: sensor calibration bench and absolute photometric calibration of a Sony IMX411 sensor
Marc Betoule, Sarah Antier, Emmanuel Bertin +18
The Hubble diagram of type-Ia supernovae (SNe-Ia) provides cosmological constraints on the nature of dark energy with an accuracy limited by the flux calibration of currently avail…
The effect of winds on atmospheric layers of red supergiants I. Modelling for interferometric observations
G. González-Torà, M. Wittkowski, B. Davies +2
Red supergiants (RSGs) are evolved massive stars in a stage preceding core-collapse supernova. The physical processes that trigger mass loss in their atmospheres are still not full…
The effect of winds in red supergiants: modeling for interferometry
Gemma González-Torà, Markus Wittkowski, Ben Davies +1
Red supergiants (RSGs) are evolved massive stars in a stage preceding core-collapse supernova. Understanding evolved-phases of these cool stars is key to understanding the cosmic m…
Explosion Imminent: the appearance of Red Supergiants at the point of core-collapse
Ben Davies, Bertrand Plez, Mike Petrault
From the early radiation of type II-P supernovae (SNe), it has been claimed that the majority of their red supergiant (RSG) progenitors are enshrouded by large amounts of circumste…