Recalculating the Orbit of {\alpha}-Centauri AB
Suryadi Siregar, Hanindyo Kuncarayakti (Astronomy Research Division, and Bosscha Observatory, Bandung Institute of Technology)
TL;DR
This paper recalculates the orbital and physical parameters of the Alpha Centauri AB system using observational data from 1900 to 2002, confirming previous results despite some discrepancies.
Contribution
It applies the Thiele-van den Bos method to update orbital parameters of Alpha Centauri AB with extensive historical data.
Findings
Recalculated orbital parameters largely agree with previous studies.
Identified some significant discrepancies in the data.
Confirmed the stability of the system's orbital characteristics.
Abstract
The two main components of the closest star system, {\alpha}-Centauri AB(RA 14h39m, Dec-60o50', J2000.0) is indubitbaly one of the most studied visual double stars. This paper presents the results of our recalculation of orbital and physical parameters of the system using Thiele-van den Bos method, based on observational data from year 1900 to 2002. Despite some significant discrepancies, in general our results confirmed previous results of orbital parameter determinations using different method.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astronomy and Astrophysical Research · Astro and Planetary Science