2 papers
astro-ph.IM2026
Robust 1-norm periodograms for analysis of noisy non-Gaussian time series with irregular cadences: Application to VLBI astrometry of quasars
Valeri V. Makarov, Sébastien Lambert, Phil Cigan +2
Astronomical time series often have non-uniform sampling in time, or irregular cadences, with long gaps separating clusters of observations. Some of these data sets are also explic…
astro-ph.GA2024
Partial Alignment of Astrometric Position Excursions of International Celestial Reference Frame Quasars with Radio Jet Structures
Valeri V. Makarov, Phil Cigan, David Gordon +3
Published analyses of very long baseline interferometry (VLBI) data for the sources included in the third International Celestial Reference Frame (ICRF3) catalog have revealed obje…