Observing Faint Binaries with Gaia

Details Observing Faint Binaries with Gaia Observing Faint Binaries with Gaia

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.576..461n&link_type=abstract

"Proceedings of the Gaia Symposium "The Three-Dimensional Universe with Gaia" (ESA SP-576). Held at the Observatoire de Paris-Me

Computer Science

Gaia, Image Processing, Visual Binaries

Scientific paper

The possibility to combine the information from all the transits to produce one combined image is studied. The aim of the study is to find the absolute limits for the detection of the secondary stars that could be detected in the close vicinity of the primary star. Patches from the simulated AF11 data are used in the simulations and the possible method that could be used to detect the faint companions is presented. It is shown that in the ideal case the secondary with G ≈ 24 mag or μm ≈ 8 mag could still be found from the combined image. Signal-to-noise ratio curves are given to evaluate the secondary detection.

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