57 citations · 380 across the 18 of their papers we have counts for
5 papers · 1 filter
Mutual neutralisation in Li+H/D and Na+H/D collisions: Implications of experimental results for non-LTE modelling of stellar spectra
Paul S. Barklem, Anish M. Amarsi, Jon Grumer +6
Advances in merged-beams instruments have allowed experimental studies of the mutual neutralisation (MN) processes in collisions of both Li and Na ions with D at energi…
A first spectroscopic measurement of the magnetic field strength for an active region of the solar corona
Ran Si, Tomas Brage, Wenxian Li +3
For all involved in astronomy, the importance of monitoring and determining astrophysical magnetic field strengths is clear. It is also a well-known fact that the corona magnetic f…
Carbon monoxide formation and cooling in supernovae
Sofie Liljegren, Anders Jerkstrand, Jon Grumer
The inclusion of molecular physics is an important piece that tends to be missing from the puzzle when modeling the spectra of supernovae (SNe). Molecules have both a direct impact…
Excitation and charge transfer in low-energy hydrogen atom collisions with neutral manganese and titanium
Jon Grumer, Paul S. Barklem
Data for inelastic processes due to hydrogen atom collisions with manganese and titanium are needed for accurate modeling of the corresponding spectra in late-type stars. In this w…
The 3D non-LTE solar nitrogen abundance from atomic lines
A. M. Amarsi, N. Grevesse, J. Grumer +3
Nitrogen is an important element in various fields of stellar and Galactic astronomy, and the solar nitrogen abundance is crucial as a yardstick for comparing different objects in…