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Neutrino and axion bounds from the globular cluster M5 (NGC 5904)
Nicolás Viaux, Márcio Catelan, Peter B. Stetson +4
The red-giant branch (RGB) in globular clusters is extended to larger brightness if the degenerate helium core loses too much energy in "dark channels." Based on a large set of arc…
Particle-physics constraints from the globular cluster M5: Neutrino Dipole Moments
Nicolás Viaux, Márcio Catelan, Peter B. Stetson +4
Stellar evolution is modified if energy is lost in a "dark channel" similar to neutrino emission. Comparing modified stellar evolution sequences with observations provides some of…
S-process in low-mass extremely metal-poor stars
Monique A. Cruz, Aldo Serenelli, Achim Weiss
Extremely metal-poor low-mass stars experience an ingestion of protons into the helium-rich layer during the core He-flash, resulting in the production of neutrons through the reac…
Flares and variability from Sagittarius A*: five nights of simultaneous multi-wavelength observations
X. Haubois, K. Dodds-Eden, A. Weiss +8
Aims. We report on simultaneous observations and modeling of mid-infrared (MIR), near-infrared (NIR), and submillimeter (submm) emission of the source Sgr A* associated with the su…