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HD 132891


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Mean positions and proper motions of 224 stars based on PZT observations at Ondrejov in 1973-1986
An improvement of the positions and proper motions for the Ondrejov PZTstar list based on observations of 224 stars in the period 1973-1986 ispresented. The mean epoch of the PZT 86 catalogue is found to be 1981.56with a standard error in right ascension equal to + or - 0.0015 s/ andin delination equal to + or - 0.017 arcsec. The proper motions in rightascension and declination were obtained with an accuracy characterizedby the average standard errors of + or - 0.051 s/cy and + or - 0.57arcsec/cy, respectively. The PZT 86 catalogue is compared with theprevious PZT (1978 and 1983) catalogues, and with the AGK 3 (Dieckvoss,1975) catalogue.

The determination of mean positions and proper motions of 304 stars from PZT observations at Ondrejov
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Coban
Sað Açýklýk:14h59m43.83s
Yükselim:+49°50'35.6"
Görünürdeki Parlaklýk:8.779
Uzaklýk:111.235 parsek
özdevim Sað Açýklýk:-96.7
özdevim Yükselim:50.3
B-T magnitude:9.888
V-T magnitude:8.871

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 132891
TYCHO-2 2000TYC 3477-689-1
USNO-A2.0USNO-A2 1350-08534232
HIPHIP 73382
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