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HD 145312


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A preliminary compilation of DS-programme star positions
A catalog is presented of the double-star-program (DS-program) starpositions, listing right ascensions for 930 DSs and declinations for1225 DSs of the program. The positions were compiled from the observedvalues obtained between 1980 and 1987 with the meridian circles of sixUSSR observatories (the Moscow, Kazan', Kiev, Khar'kov, Odessa, andTashkent Observatories) and the Belgrade Observatory. The measurementsand the treatment of the observational material were performed using therelative method, and the FK-4 system stars were used as reference stars.

A second list of wide visual binaries
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A second list of wide visual binaries
Not Available

The proper motions of Struve double stars
The proper motions of the components of 103 Struve double stars fromMuller's list of neglected stars and of 15 other systems were measuredrelative to sets of reference stars, for the primary purpose ofdistinguishing physical from optical pairs. A by-product of thisinvestigation is a list of measured position angles and distances ofthese objects, at two epochs each.

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Observation and Astrometry data

Constellation:ヘルクレス座
Right ascension:16h08m37.84s
Declination:+40°03'11.3"
Apparent magnitude:8.589
Distance:243.902 parsecs
Proper motion RA:-18.6
Proper motion Dec:19.7
B-T magnitude:9.008
V-T magnitude:8.624

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 145312
TYCHO-2 2000TYC 3064-1679-1
USNO-A2.0USNO-A2 1275-08843485
HIPHIP 79088

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