Ludwig Schupmann Observatory Measures of Large Delta-M Pairs - Part One

Details Ludwig Schupmann Observatory Measures of Large Delta-M Pairs - Part One Ludwig Schupmann Observatory Measures of Large Delta-M Pairs - Part One

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jdso....4...34w&link_type=abstract

Journal of Double Star Observations, vol. 4, no. 2, p. 34-39.

Physics

Scientific paper

Measurements made at the Ludwig Schupmann Observatory (LSO) in theta and rho space of 107 components in 46 large Delta-m systems are reported. A comparatively small number of these pairs are physical. For optical components the high proper motion of the mostly nearby primaries can provide extremely accurate relative motions especially for those with a century or more of timely measures. Data for many optical pairs are now plotted in the WDS Catalog of Rectilinear Elements of Visual Double Stars. These elements have been used to hone traditional proper motion values [Mason 2006]. In the case of large ?m systems, the frequency of observation is typically rather low and fresh measures of these challenging systems, both optical and physical, are certainly meaningful.

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