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HD 267704


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The Tokyo PMC catalog 90-93: Catalog of positions of 6649 stars observed in 1990 through 1993 with Tokyo photoelectric meridian circle
The sixth annual catalog of the Tokyo Photoelectric Meridian Circle(PMC) is presented for 6649 stars which were observed at least two timesin January 1990 through March 1993. The mean positions of the starsobserved are given in the catalog at the corresponding mean epochs ofobservations of individual stars. The coordinates of the catalog arebased on the FK5 system, and referred to the equinox and equator ofJ2000.0. The mean local deviations of the observed positions from theFK5 catalog positions are constructed for the basic FK5 stars to comparewith those of the Tokyo PMC Catalog 89 and preliminary Hipparcos resultsof H30.

Photoelectric observations of lunar occultations. XIV
Observations of 314 events between March 1982 and March 1983 arepresented in the same form as in previous papers in this series. Theresults include 18 cases of duplicity of which 12 appear to be newdiscoveries. Unluckily, few cases of possible large angular diametersoccurred, and in no case can the results derived be accepted withoutreserve, these having been observed at very low altitudes withconsequent severe corruption by seeing effects. A remark on theincidence of doubles in the Hyades and its possible consequences forestimates of stellar distances is appended.

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관측 및 측정 데이터

별자리:쌍둥이자리
적경:07h00m51.04s
적위:+23°35'58.5"
가시등급:8.959
거리:355.872 파섹
적경상의 고유운동:1.9
적위상의 고유운동:-21.2
B-T magnitude:10.577
V-T magnitude:9.093

천체목록:
일반명   (Edit)
HD 1989HD 267704
TYCHO-2 2000TYC 1895-382-1
USNO-A2.0USNO-A2 1125-04774953
HIPHIP 33777

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