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TYC 6039-2097-1


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VRI photometry of wide double stars with A- type primaries.
We are presenting VRI photometry of 93 wide visual double stars havinglate B- or A- type primaries, taken from the Annex of Double andMultiple Stars of the HIPPARCOS Input Catalogue. Spectral types havebeen estimated for most of the primaries and for the majority of thesecondaries. 40% of them probably have common origin components, forwhich we calculated photometric parallaxes and some orbital valuesestimates.

CCD measurements of visual binaries
CCD measurements of visual double stars were obtained with the ESO 1.5 mdanish reflector. All binaries observed are candidates for the HIPPARCOSInput Catalogue. More than 400 observations have been made in four clearnights. The accuracy obtained is comparable to the accuracy of thephotographic technique, but the observing and reduction times are oneorder of magnitude smaller.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Kumpas
Sað Açýklýk:09h08m05.79s
Yükselim:-22°04'07.4"
Görünürdeki Parlaklýk:11.937
özdevim Sað Açýklýk:-16
özdevim Yükselim:11.1
B-T magnitude:12.38
V-T magnitude:11.974

Kataloglar ve belirtme:
Özgün isimleri
TYCHO-2 2000TYC 6039-2097-1
USNO-A2.0USNO-A2 0675-10021742
HIPHIP 44828

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