Measurements of 10 Scarcely Observed Pairs
Matthew B. James, Graeme L. White, Roderick R. Letchford, Stephen G., Bosi
TL;DR
This paper reports new separation and position angle measurements for 10 star pairs, comparing recent direct imaging data with Gaia and historic data to improve understanding of their orbital parameters.
Contribution
It provides updated measurements of 10 scarcely observed pairs, combining direct imaging with Gaia data and historic extrapolations for enhanced accuracy.
Findings
Measurements agree with Gaia data within uncertainties
Updated orbital parameters for the pairs
Enhanced understanding of long-term positional changes
Abstract
Separation () and Position Angle (PA) measurements are reported of 10 pairs which measures where last reported in the WDS +20 years from epoch of observation 2021.066. Measurements were obtained by direct imaging and are presented with associated measurement uncertainties, as well as, comparisons to measurements determined from Gaia DR2 & EDR3 and historic data extrapolation at epoch of J2000.0.
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Taxonomy
TopicsAstronomical Observations and Instrumentation · Geophysics and Gravity Measurements · Solar and Space Plasma Dynamics