5 papers
The impact of stellar binaries and star cluster dynamics on pair-instability supernovae
Francesco Gabrielli, Cristiano Ugolini, Lavinia Paiella +12
Pair-instability supernovae (PISNe) are among the most luminous transients in the Universe. However, they have never been confidently observed. Solving this puzzle would have key i…
Mirror images of lensed star clusters with mismatched spectral energy distributions: A possible signature of top-heavy stellar initial mass functions and extreme stars in high-redshift star clusters
Erik Zackrisson, Jose M. Diego, Jose M. Palencia +4
Strongly lensed star clusters have recently been detected up to redshift in galaxy cluster fields using the James Webb Space Telescope (JWST). When pairs of mirror im…
Constraining the Initial-Mass Function via Stellar Transients
Francesco Gabrielli, Lumen Boco, Giancarlo Ghirlanda +4
The stellar initial-mass function (IMF) represents a fundamental quantity in astrophysics and cosmology, describing the mass distribution of stars from low to very-high masses. It…
The cosmic rate of Pair-Instability Supernovae
Francesco Gabrielli, Andrea Lapi, Lumen Boco +8
Pair-instability supernovae (PISNe) have crucial implications for many astrophysical topics, including the search for very massive stars, the black hole mass spectrum, and galaxy c…
Multi-messenger prospects for black hole - neutron star mergers in the O4 and O5 runs
Alberto Colombo, Raphaël Duqué, Om Sharan Salafia +13
The existence of merging black hole-neutron star (BHNS) binaries has been ascertained through the observation of their gravitational wave (GW) signals. However, to date, no definit…