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HD 216353


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Maximum separations among cataloged binaries
The paper classifies many of the widest common-motion binaries listed inthe Aitken catalog and list 72 physical pairs with known photoelectricphotometry, 31 physical pairs without good photometry, and 27 opticalpairs. As a function of primary types, the physical systems have upperlimits to their separations that are exceeded by some of the opticalpairs. The fact that optical pairs occur with larger separations impliesthat the limits are real ones and not just catalog limitations. Thoselimits (in AU) are expressed by 2500 M1 exp 1.54 for B5-KO main-sequenceprimaries. The same limits hold for the Trapezium and hierarchicalsystems studied previously.

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Observation and Astrometry data

Constellation:Σαύρα
Right ascension:22h51m46.61s
Declination:+41°20'02.4"
Apparent magnitude:8.097
Distance:249.377 parsecs
Proper motion RA:5
Proper motion Dec:-0.5
B-T magnitude:8.234
V-T magnitude:8.109

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 216353
TYCHO-2 2000TYC 3223-550-1
USNO-A2.0USNO-A2 1275-17951997
HIPHIP 112901

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