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HD 70707


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Radial-velocity measurements. V - Ground support of the HIPPARCOS satellite observation program
The paper presents data on 1070 radial velocity measurements of starsdistributed in 39 fields measuring 4 deg x 4 deg. The PPO series ofFehrenbach et al. (1987) and Duflot et al. (1990) is continued using theFehrenbach objective prism method.

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.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Yengec
Sað Açýklýk:08h24m21.86s
Yükselim:+26°27'56.6"
Görünürdeki Parlaklýk:8.4
Uzaklýk:1282.051 parsek
özdevim Sað Açýklýk:-17.1
özdevim Yükselim:-12.3
B-T magnitude:8.428
V-T magnitude:8.403

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 70707
TYCHO-2 2000TYC 1944-1161-1
USNO-A2.0USNO-A2 1125-05614347
HIPHIP 41194
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