Figure 4. (IMAGE)

University of Helsinki

Figure 4.

Caption

A: Radial velocity observations of epsilon Indi A demonstrating acceleration caused by the gravitational pull of a giant exoplanet. B(C): Observed proper motion (position) that changed significantly between Gaia observations and earlier measurements verifying the planetary nature of the star's companion by enabling the determination of its mass.

Credit

Reference and image credit: Feng, F., Anglada-Escudé, G., Tuomi, M. et al., 2019, MNRAS 490, 5002.

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