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A Close Binary Lens Revealed by the Microlensing Event Gaia20bof

  • Authors: E. Bachelet, P. Rota, V. Bozza, P. Zieliński, Y. Tsapras, M. Hundertmark, J. Wambsganss, Ł. Wyrzykowski, P. J. Mikołajczyk, R. A. Street, R. Figuera Jaimes, A. Cassan, M. Dominik, D. A. H. Buckley, S. Awiphan, N. Nakhaharutai, S. Zola, K. A. Rybicki, M. Gromadzki, K. Howil, N. Ihanec, M. Jabłońska, K. Kruszyńska, K. Kruszyńska, U. Pylypenko, M. Ratajczak, M. Sitek, M. Rabus

E. Bachelet et al 2024 The Astronomical Journal 168 .

  • Provider: AAS Journals

Caption: Figure 1.

Lightcurves of the event observed from the ground and Gaia. The Wide+ model is presented (blue solid line; the dashed line represents the model seen by Gaia) but all models produce almost identical lightcurves. The parallax signal between Gaia and Earth is almost not visible. All data sets have been artificially shifted to Gaia magnitudes for presentation purposes. The presented uncertainties take into account the rescaling parameters derived during the posterior exploration; see the main text for more details.

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