X-ray spectral modeling and timing analysis of V1674 Her constrain its white dwarf mass to 1.09-1.12 solar masses, well below the near-Chandrasekhar value expected from its t2~1 day decline time.
I - Their progress and the expansion of the envelope
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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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X-ray spectroscopy mass constraints on V1674 Her: the fastest nova does not have a near-Chandrasekhar white dwarf
X-ray spectral modeling and timing analysis of V1674 Her constrain its white dwarf mass to 1.09-1.12 solar masses, well below the near-Chandrasekhar value expected from its t2~1 day decline time.
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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.