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astro-ph.SR2026
IPHAS J190812.63+045728.1: A deeply eclipsing, X-ray bright cataclysmic variable with frequent outbursts
Raimundo Lopes de Oliveira, Albert Bruch, Koji Mukai +3
We present a multi-wavelength characterization of IPHAS J190812.63+045728.1. Independently discovered by us after being serendipitously observed by XMM-Newton, followed up with opt…
astro-ph.SR2026
An extreme case of X-ray reflection in the symbiotic V648 Car
Jherssica Freitas, Raimundo Lopes de Oliveira, Koji Mukai
V648 Car is a -type symbiotic star known for its strong hard thermal X-ray emission, heavy local photoelectric absorption, and stochastic variability. We analyze NuSTAR observat…