Detection of a 0.1802-day periodic signal in TESS photometry of slow-rising nova PGIR22akgylf interpreted as orbital modulation from binary distortion of the envelope during common-envelope interaction.
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The maximum ejecta-to-accreted mass ratio in novae is at most ~2.6, set by nuclear energy release, contradicting claims of ratios up to 540 from orbital data.
New NuSTAR observation and historical review indicate an initial strong shock near the red giant in RS Oph produces both gamma-ray particle acceleration and 0.2-30 keV thermal X-rays, with gamma-ray flux from Fermi inconsistent and implications for T CrB.
A toy model of reverse shocks in novae predicts GeV gamma rays near optical peak and potential TeV emission later, consistent with Fermi observations under an empirically thin post-shock layer.
Enhanced angular momentum loss via outer Lagrangian point mass ejection in the Roche lobe overflow channel alters ELM WD structure and reproduces observed shorter orbital periods.
citing papers explorer
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TESS detection of periodic brightness variations during the rise of classical nova PGIR22akgylf
Detection of a 0.1802-day periodic signal in TESS photometry of slow-rising nova PGIR22akgylf interpreted as orbital modulation from binary distortion of the envelope during common-envelope interaction.
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Upper bound of ejecta mass in a nova outburst
The maximum ejecta-to-accreted mass ratio in novae is at most ~2.6, set by nuclear energy release, contradicting claims of ratios up to 540 from orbital data.
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The powerful shocks in RS Oph: NuSTAR X-ray data and a complete review
New NuSTAR observation and historical review indicate an initial strong shock near the red giant in RS Oph produces both gamma-ray particle acceleration and 0.2-30 keV thermal X-rays, with gamma-ray flux from Fermi inconsistent and implications for T CrB.
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A Unified Model for Shock Interaction and $\gamma$-Ray Emission in Classical Novae
A toy model of reverse shocks in novae predicts GeV gamma rays near optical peak and potential TeV emission later, consistent with Fermi observations under an empirically thin post-shock layer.
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Formation of extremely low-mass white dwarf binaries undergoing enhanced angular momentum loss
Enhanced angular momentum loss via outer Lagrangian point mass ejection in the Roche lobe overflow channel alters ELM WD structure and reproduces observed shorter orbital periods.