3 papers
astro-ph.SR2025
Period Change of the Binary System WR+O V444 Cyg: Updated Ephemeris Formula
I. I. Antokhin
V444 Cyg is a WN5+O6 V eclipsing binary system that exhibits a secular variation in its orbital period due to the loss of matter from the Wolf-Rayet star through its powerful stell…
astro-ph.SR2025
The massive binary system WR 20a: light curve analysis in a colliding wind model
I. I. Antokhin, E. A. Antokhina, A. M. Cherepashchuk
The article presents the results of the analysis of optical light curves of the massive binary system WR 20a (WN 6ha + WN 6ha). The analysis was performed with the binary system mo…
astro-ph.HE2025
On the location of the compact infrared source in Cyg X-3
Igor I. Antokhin
This note complements the article on X-ray and infrared variability of the X-ray binary Cyg X-3 (WR+c), published by me and my co-authors (ApJ, v.926, p. 123, 2022). In that paper,…