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astro-ph.SR2026
SN 2025aico: Early observations of a faint Type IIb supernova with a low-mass envelope
J. -W. Zhao, A. Pastorello, B. Kumar +45
We aimed to investigate the physical properties and the underlying explosion mechanisms of the Type IIb SN 2025aico. Through a comprehensive analysis of early-phase optical light c…
astro-ph.SR2025
Phase-resolved optical spectroscopy of the rapidly varying white dwarf ZTF 1851+1714
C. C. Pedersen, M. R. M. Knudsen, K. Valeckas +3
We report on phase-resolved optical spectroscopy and photometry in the R and B bands of the white dwarf candidate ZTF 185139.81+171430.3. The source has been reported to be variabl…