VRI photometry of wide double stars with A- type primaries.

Details VRI photometry of wide double stars with A- type primaries. VRI photometry of wide double stars with A- type primaries.

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26as..112..291s&link_type=abstract

Astronomy and Astrophysics Supplement, v.112, p.291

Astronomy and Astrophysics

Astrophysics

1

Stars: Binaries: Visual-Photometry: Hipparcos

Scientific paper

We are presenting VRI photometry of 93 wide visual double stars having late B- or A- type primaries, taken from the Annex of Double and Multiple Stars of the HIPPARCOS Input Catalogue. Spectral types have been estimated for most of the primaries and for the majority of the secondaries. 40% of them probably have common origin components, for which we calculated photometric parallaxes and some orbital values estimates.

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