3 papers
astro-ph.EP2025
Destruction of "Peas in a Pod?" A Candidate Multi-planet System Around the Nearby, Bright Star, HD208487
Rafael I. Rubenstein, James S. Jenkins, Pablo A. Peña R. +15
We re-investigate the HD208487 system to test the reality of the proposed HD208487c world. We also search for additional companions using applied Bayesian statistics and 15+ years…
astro-ph.EP2025
A High Geometric Albedo for LTT9779b Points Towards a Metal-rich Atmosphere and Silicate Clouds
Suman Saha, James S. Jenkins, Vivien Parmentier +7
Aims: In this work, we aim to confirm the high albedo of the benchmark ultrahot Neptune LTT9779b using 20 secondary eclipse measurements of the planet observed with CHEOPS. In addi…
astro-ph.SR2025
Variability of Galactic blue supergiants observed with TESS
Michalis Kourniotis, Lydia S. Cidale, Michaela Kraus +2
Blue supergiants (BSGs) mediate between the main sequence and the late stages of massive stars, which makes them valuable for assessing the physics that drives the stars across the…