507 citations · 2.9k across the 62 of their papers we have counts for
9 papers · 1 filter
The role of mass transfer efficiency in stability criteria: Implementation in SEVN and a test on blue stragglers and binary compact objects
M. Echeveste, G. J. Escobar, G. Iorio +12
Context: The stability of mass transfer through Roche-lobe overflow plays a key role in shaping the outcome of binary interactions. However, the criterion for mass transfer stabili…
The impact of envelope binding energies on the merger rate density of binary compact objects
Cecilia Sgalletta, Guglielmo Costa, Giuliano Iorio +8
The common envelope (CE) phase plays a key role in the formation of binary compact object systems. Its final outcome strongly depends on the envelope binding energy, but this quant…
Population synthesis of Be X-ray binaries in the Small Magellanic Cloud: Angular momentum recycling and stable mass transfer
Víctor López Oller, Boyuan Liu, Michela Mapelli +5
Be X-ray binaries (BeXRBs) are key laboratories to constrain binary interaction processes such as mass transfer, angular-momentum transport, and natal kicks. The Small Magellanic C…
Hide and Seek with Gaia. Detectability of Predicted Thin-Disc Metal-Rich RR Lyrae Binaries in Gaia DR3 and DR4
Giuliano Iorio, Pranav Nagarajan, Alexey Bobrick +8
RR Lyrae stars (RRLs) are classical tracers of old stellar populations, yet growing evidence suggests the presence of a metal-rich ([Fe/H]>-0.5), intermediate-age (2-7 Gyr) sub-pop…
Dynamical formation of BH1 in a young star cluster
Sara Rastello, Giuliano Iorio, Michela Mapelli +5
BH1, the first quiescent black hole (BH) detected from data, poses a challenge to most binary evolution models: its current mass ratio is , and its orbi…
RR Lyrae From Binary Evolution: Abundant, Young and Metal-Rich
Alexey Bobrick, Giuliano Iorio, Vasily Belokurov +3
RR Lyrae are a well-known class of pulsating horizontal branch stars widely used as tracers of old, metal-poor stellar populations. However, mounting observational evidence shows t…
Revisiting Common Envelope Evolution -- A New Semi-Analytic Model for N-body and Population Synthesis Codes
Alessandro Alberto Trani, Steven Rieder, Ataru Tanikawa +5
We present a novel way of modeling common envelope evolution in binary and few-body systems. We consider the common envelope inspiral as driven by a drag force with a power-law dep…
Formation of GW190521 from stellar evolution: the impact of the hydrogen-rich envelope, dredge-up and C(, )O rate on the pair-instability black hole mass gap
Guglielmo Costa, Alessandro Bressan, Michela Mapelli +3
Pair-instability (PI) is expected to open a gap in the mass spectrum of black holes (BHs) between M and M. The existence of the mass…
Unresolved stellar companions with Gaia DR2 astrometry
Vasily Belokurov, Zephyr Penoyre, Semyeong Oh +9
For stars with unresolved companions, motions of the centre of light and that of mass decouple, causing a single-source astrometric model to perform poorly. We show that such stars…