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HD 55625


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Meridian observations made with the Carlsberg Automatic Meridian Circle at Brorfelde (Copenhagen University Observatory) 1981-1982
The 7-inch transit circle instrument with which the present position andmagnitude catalog for 1577 stars with visual magnitudes greater than11.0 was obtained had been equipped with a photoelectric moving slitmicrometer and a minicomputer to control the entire observationalprocess. Positions are reduced relative to the FK4 system for each nightover the whole meridian rather than the usual narrow zones. Thepositions of the FK4 stars used in the least squares solution are alsogiven in the catalog.

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.

Vitesses radiales dans 4 champs de petite latitude galactique.
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Ikizler
Sað Açýklýk:07h14m20.06s
Yükselim:+15°45'33.5"
Görünürdeki Parlaklýk:8.029
özdevim Sað Açýklýk:-27
özdevim Yükselim:-7.7
B-T magnitude:8.456
V-T magnitude:8.065

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 55625
TYCHO-2 2000TYC 1346-126-1
USNO-A2.0USNO-A2 1050-04939903
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