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Fig. 5

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Position on Toomre diagram of the four potential subdwarfs (see text), assuming different radial velocities (in red: markers are spread out every 50 km s−1, varies from −300 to 300 km s−1). Background dots are sources from the Gaia Catalogue of Nearby Stars, with known radial velocities: halo stars are displayed in green, thick disk stars are in black, and thin disk stars are in blue.

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