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astro-ph.SR2024
Symbiotic stars in X-rays IV: XMM-Newton, Swift and TESS observations
Isabel J. Lima, G. Juan M. Luna, Koji Mukai +7
White dwarf symbiotic binaries are detected in X-rays with luminosities in the range of 10 to 10 lumcgs. Their X-ray emission arises either from the accretion disk bo…
astro-ph.SR2023
The contact binary system TYC 7275-1968-1 as seen by optical, UV and X-ray observations
Isabel J. Lima, Ana C. Mattiuci, G. Juan M. Luna +4
We present an analysis of publicly available X-ray and optical observations of TYC 7275-1968-1, a contact binary, red nova progenitor candidate. The long optical time series of ASA…