New runaway O-type stars in the first Gaia Data Release

J. Maíz Apellániz, R. H. Barbá, S. Simón-Díaz, I. Negueruela, E. Trigueros Páez. 2017. New runaway O-type stars in the first Gaia Data Release. Lives and Death Throes of Massive Stars, 329th Symposium of the International-Astronomical-Union (IAU), 12, 136-140, DOI: 10.1017/S1743921317001831

We have detected 13 new runaway-star candidates of spectral type O combining the TGAS (Tycho-Gaia Astrometric Solution) proper motions from Gaia Data Release 1 (DR1) and the sample from GOSSS (Galactic O-Star Spectroscopic Survey). We have also combined TGAS and Hipparcos proper motions to check that our technique recovers many of the previously known O-type runaways in the sample.

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