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astro-ph.HE2025
Spectral Energy Distribution Analysis of the Supersoft X-ray Source CAL 87: Multiwavelength Constraints
Paulo E. Stecchini, Francisco Jablonski, Marcos P. Diaz +3
We analyse the spectral energy distribution (SED) of the eclipsing supersoft X-ray source CAL 87 covering wavelengths from X-rays to the near-infrared. Our study incorporates 26 da…
astro-ph.HE2023
Revised ephemeris and orbital period derivative of the supersoft X-ray source CAL 87 based on 34 years of observations
P. E. Stecchini, F. Jablonski, M. P. Diaz +4
In this study, we present an analysis of over 34 years of observational data from CAL 87, an eclipsing supersoft X-ray source. The primary aim of our study, which combines previous…