Alexander Heger

Physics and Astronomy · Physical Sciences

62h-index25.4kcitations439works3.02yr avg
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Research Topics

Gamma-ray bursts and supernovae(248), Stellar, planetary, and galactic studies(152), Astro and Planetary Science(105), Pulsars and Gravitational Waves Research(94), Nuclear physics research studies(71)

Publications437 total

A Solution to the Tension of Burning on Neutron Stars and Nuclear Physics
The Astrophysical Journal·2026Open Access
1000–10,000 <i>M</i> <sub>⊙</sub> Primordial Stars Created the Nitrogen Excess in GS 3073 at <i>z</i> = 5.55
The Astrophysical Journal Letters·2025· 4 citedOpen Access
Type Ibn supernovae from ultra-stripped supernova progenitors
Publications of the Astronomical Society of Japan·2025· 1 citedOpen Access
The Regulated GeAs Cycles with the New <sup>63</sup> Ga(p, <i>γ</i> ) <sup>64</sup> Ge and <sup>64</sup> Ge(p, <i>γ</i> ) <sup>65</sup> As Reaction Rates and Their Impact on the GS 1826−24 Clocked Bursts and SAX J1808.4−3658 Photospheric Radius Expansion Bursts
The Astrophysical Journal·2025Open Access
Gravitational Waves from the innermost parts of Core-Collapse Supernovae
2025Open Access
The Regulated GeAs Cycles with the New $^{63}$Ga(p,$γ$)$^{64}$Ge and $^{64}$Ge(p,$γ$)$^{65}$As Reaction Rates and Their Impact on the GS 1826$-$24 Clocked Bursts and SAX J1808.4$-$3658 Photospheric Radius Expansion Bursts
arXiv (Cornell University)·2025Open Access
Synthetic light curves and spectra for the photospheric phase of a 3D stripped-envelope supernova explosion model
Monthly Notices of the Royal Astronomical Society·2025· 2 citedOpen Access
Crust Composition and the Shallow Heat Source in KS 1731–260
Physical Review Letters·2025Open Access
Type Ibn supernovae from ultra-stripped supernova progenitors
arXiv (Cornell University)·2025· 1 citedOpen Access
The Impact of Initial Composition on Massive Star Evolution and Nucleosynthesis
The Astrophysical Journal·2025Open Access
Explodability criteria for the neutrino-driven supernova mechanism
Astronomy and Astrophysics·2025· 16 citedOpen Access
Convection and the core <i>g</i> mode in proto-compact stars – a detailed analysis
Monthly Notices of the Royal Astronomical Society·2025Open Access
Determination of the birth-mass function of neutron stars from observations
Nature Astronomy·2025· 7 cited
Minimum Neutron Star Mass in Neutrino-Driven Supernova Explosions
Physical Review Letters·2025· 17 cited
1000-10,000 M$_\odot$ Primordial Stars Created the Nitrogen Excess in GS 3073 at $z = 5.55$
arXiv (Cornell University)·2025· 1 citedOpen Access
Calcium in a supernova remnant as a fingerprint of a sub-Chandrasekhar-mass explosion
GSI Repository (GSI Helmholtzzentrum für Schwerionenforschung)·2025Open Access
New <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ga</mml:mi><mml:mprescripts/><mml:none/><mml:mn>63</mml:mn></mml:mmultiscripts></mml:math>(<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>p</mml:mi><mml:mo>,</mml:mo><mml:mi>γ</mml:mi><mml:mo>)</mml:mo><mml:mmultiscripts><mml:mi>Ge</mml:mi><mml:mprescripts/><mml:none/><mml:mn>64</mml:mn></mml:mmultiscripts></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ge</mml:mi><mml:mprescripts/><mml:none/><mml:mn>64</mml:mn></mml:mmultiscripts></mml:math>(<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>p</mml:mi><mml:mo>,</mml:mo><mml:mi>γ</mml:mi><mml:mo>)</mml:mo><mml:mmultiscripts><mml:mi>As</mml:mi><mml:mprescripts/><mml:none/><mml:mn>65</mml:mn></mml:mmultiscripts></mml:mrow></mml:math> reaction rates corresponding to the temperature regime of thermonuclear x-ray bursts
Physical review. C·2024· 2 cited
The birth mass function of neutron stars
arXiv (Cornell University)·2024Open Access
Synthetic Light Curves and Spectra for the Photospheric Phase of a 3D Stripped-Envelope Supernova Explosion Model
arXiv (Cornell University)·2024· 1 citedOpen Access
The Impact of Initial Composition on Massive Star Evolution and Nucleosynthesis
arXiv (Cornell University)·2024Open Access
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Frequent Co-authors

S. E. Woosley(21), N. Langer(8), Bernhard Müller(7), Chris L. Fryer(5), Conrad Chan(4), R. D. Hoffman(3), T. Rauscher(3), H. Schatz(3), M. Asplund(3), Andrew R. Casey(3), G. S. Da Costa(3), K. Lind(3), David Yong(3), D. E. Holz(3), Hans‐Thomas Janka(3), G. Martı́nez-Pinedo(3), K. Langanke(3), Tyrone E. Woods(3), L. Haemmerlé(3), Ralf S. Klessen(3)