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August 18, 2025Open Access

Uncertainties in Historic Visual Double Star Measures—III Accurate Calibration Pairs

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Key Points

Accurate calibration pairs improve the precision of astrometric measurements in double star systems, enhancing observational accuracy.
The study presents precise ephemeris Position Angles and Separations for 857 double star pairs, allowing improved astrometric analysis.
This research outlines rectilinear elements for double stars, providing crucial data for observational programs in astronomy.
Supporting astrometric observation programs with accurate pairs may refine methods for studying double star distances and positions.

Abstract

ABSTRACT Based on space‐based positions and proper motions, we present accurate rectilinear elements for 857 double star pairs over the celestial sphere. These elements allow for the computation of precision ephemeris Position Angles and Separations of these pairs. We propose these pairs as astrometric calibration pairs for inclusion in double‐star observation programmes.

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Authors

Roderick R. Letchford

Graeme L. White

University of Southern Queensland

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Astronomische Nachrichten

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University of Southern Queensland

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Letchford et al. (Mon,) studied this question.

synapsesocial.com/papers/68af4546ad7bf08b1ead317a — DOI: https://doi.org/10.1002/asna.70043

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Uncertainties in Historic Visual Double Star Measures—III Accurate Calibration Pairs

Key Points

Abstract

Citation Network

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Discussion

Authors

Journals

Actions

Institutions

References and Citations

Citation Network

Connected Papers

Discussion

Cite this study

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Also consider