HD 169487

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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.

Third preliminary catalogue of stars observed with the photoelectric astrolabe of the Beijing Astronomical Observatory.
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Osservazione e dati astrometrici

Costellazione:	Dragone
Ascensione retta:	18^h22^m11.80^s
Declinazione:	+51Â°32'30.9"
Magnitudine apparente:	6.843
Distanza:	148.588 parsec
Moto proprio RA:	15.8
Moto proprio Dec:	-13.4
B-T magnitude:	7.005
V-T magnitude:	6.857

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 169487
TYCHO-2 2000	TYC 3537-888-1
USNO-A2.0	USNO-A2 1350-09636293
HIP	HIP 90031

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