2 papers
astro-ph.SR2025
A Refined Orbital Ephemeris for the Intermediate Polar FO Aquarii and Evidence for a Period Derivative
Peter Garnavich, Jordan Tweddale, Colin Littlefield
We combine more than 40 years of eclipse timings of the intermediate polar FO Aqr and derive new orbital ephemerides. The eclipse times are best fit with a second order polynomial,…
astro-ph.SR2025
HST Observations of the CV Propeller LAMOST J024048.51+195226.9
Jordan Tweddale, Peter Garnavich, Colin Littlefield +1
We present Hubble Space Telescope (HST) FUV spectra and light curves of the magnetic cataclysmic variable (CV) LAMOST J024048.51+195226.9 (J0240), the second known CV propeller. Th…