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Oxygen isotopic ratio in open cluster RGB stars: A new method for accurate mass and age estimations
O. Straniero, C. Abia, I. Domínguez +1
Determining precise and homogeneous absolute ages of open clusters (OCs) remains a challenge in stellar astrophysics, mainly due to parameter degeneracies in photometric methods an…
s-process nucleosynthesis in low-mass AGB stars by the C(,n)O neutron source
Inma Domínguez, Carlos Abia, Maurizio Busso +2
In this review we outline our knowledge on slow neutron captures, concentrating on its main part occurring during the final stages of stellar evolution for low or intermediate-mass…
The Impact of Axion-Like Particles on Late Stellar Evolution From Intermediate-Mass Stars to core-collapse Supernova Progenitors
Inmacolata Domínguez, Oscar Straniero, Luciano Piersanti +2
Context. Stars with masses ranging from 3 to 11 M_\odot exhibit multiple evolutionary paths. Less massive stars in this range conclude their evolution as carbon-oxygen (CO) white d…
Trans-Fe elements from Type Ia Supernovae. I. Heavy element nucleosynthesis during the formation of near-Chandrasekhar white dwarfs
Umberto Battino, James Keegans, Megan Allen +9
Type Ia supernovae (SNIa) are thermonuclear explosions of white dwarfs in binary systems. They are central to galactic chemical evolution and serve as standardizable candles in cos…
Binary Parameters for the Recurrent Nova T Coronae Borealis
Kenneth H. Hinkle, Pranav Nagarajan, Francis C. Fekel +3
T CrB is among the brightest novae. It is recurrent with outbursts happening approximately every 80 years. The next outburst is imminent, expected in 2025. The T CrB binary consist…
On its way to the neutron star-white dwarf binary graveyard, IGR J16194-2810, a first ascent M giant X-ray binary
K. H. Hinkle, F. C. Fekel, O. Straniero +5
A single-lined spectroscopic orbit for the M giant in the X-ray binary IGR J16194-2810 is determined from a time-series of optical spectra. The spectroscopic orbital period of 192.…