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HD 193392


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A photometric study of wide visual double stars. II - Common proper motion double stars
A total of 82 common proper motion wide visual double stars have beenobserved using the uvby, H-beta systems. MK class, color excess,absolute magnitude, effective temperature, and distance have beenderived from calibrations of the above systems. From the distancesderived here and the astrometric data, taken from the literature, it wasfound that the percentage of physical binaries among the common propermotion wide double stars is significantly higher than the samepercentage among the wide visual double stars with significant relativeproper motion, but there are a lot of optical pairs among them as well.

A second list of wide visual binaries
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A second list of wide visual binaries
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Observation and Astrometry data

Constellation:Δελφίνι
Right ascension:20h19m38.48s
Declination:+13°00'17.2"
Apparent magnitude:7.977
Distance:330.033 parsecs
Proper motion RA:8.5
Proper motion Dec:-14.3
B-T magnitude:9.101
V-T magnitude:8.07

Catalogs and designations:
Proper Names
HD 1989HD 193392
TYCHO-2 2000TYC 1082-2102-1
USNO-A2.0USNO-A2 0975-18636853
HIPHIP 100226
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