3 papers
astro-ph.SR2025
TESS Light Curve of the Interacting Binary W Serpentis
Douglas R. Gies, Katherine A. Shepard, Aman Kar +1
The unusual light curve of the massive eclipsing binary W Ser was recently observed with high S/N and fast cadence by the NASA TESS mission. The TESS light curve records two eclips…
astro-ph.SR2024
Time-Evolution Images of the Hypergiant RW Cephei During the Re-brightening Phase Following the Great Dimming
Narsireddy Anugu, Douglas R. Gies, Rachael M. Roettenbacher +17
Stars with initial masses larger than 8 solar masses undergo substantial mass loss through mechanisms that remain elusive. Unraveling the origins of this mass loss is important for…
astro-ph.SR2023
The Great Dimming of the hypergiant star RW Cephei: CHARA Array images and spectral analysis
N. Anugu, F. Baron, D. R. Gies +15
The cool hypergiant star RW Cephei is currently in a deep photometric minimum that began several years ago. This event bears a strong similarity to the Great Dimming of the red sup…