Showing astro-ph.EPShow all
3 papers · 1 filter
astro-ph.EP2025
A Planet as the Possible Cause of the HD 181327 Debris Disk Asymmetry
Chris Fox, Paul Wiegert
The debris disk around HD 181327 shows a significant asymmetry in its surface brightness profile when viewed in visible light. Observations from the Hubble Space Telescope STIS ins…
astro-ph.EP2020
Exomoon Candidates from Transit Timing Variations: Eight Kepler systems with TTVs explainable by photometrically unseen exomoons
Chris Fox, Paul Wiegert
If a transiting exoplanet has a moon, that moon could be detected directly from the transit it produces itself, or indirectly via the transit timing variations it produces in its p…
astro-ph.EP2018
A New Planet in the Kepler-159 System From Transit Timing Variations
Chris Fox, Paul Wiegert
The Kepler Space Telescope has discovered thousands of planets via the transit method. The transit timing variations of these planets allows us not only to infer the existence of o…