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Table 1

Proper motions and derived peculiar tangential velocities for selected HMXBs.

ID pmRA pmDE Parallax vl, pec vb, pec
(mas yr−1) (mas yr−1) (mas) (km s−1) (km s−1)
EXO 051910+3737.7 1.44 ± 0.12 –4.12 ± 0.07 0.753 ± 0.057
IGR J11435–6109 –5.982 ± 0.059 1.089 ± 0.056 0.026 ± 0.042
GX 301-02 –5.303 ± 0.051 −2.166 ± 0.049 0.253 ± 0.035
1H 1255-567 –28.15 ± 0.22 −10.34 ± 0.34 8.95 ± 0.23
GX 304-01 –4.235 ± 0.043 −0.316 ± 0.043 0.470 ± 0.033
4U 1700-37 2.220 ± 0.087 4.954 ± 0.073 0.0549 ± 0.064
XTE J1739-302 –0.89 ± 0.22 3.49 ± 0.17 0.12 ± 0.16
AX J1841.0-0536 –2.66 ± 0.25 −5.36 ± 0.21 −0.29 ± 0.13
XTE J1855-026 –2.605 ± 0.063 −6.788 ± 0.056 0.039 ± 0.044

ID pmRA pmDE Distance vl, pec vb, pec
(mas yr−1) (mas yr−1) (kpc) (km s−1) (km s−1)

γ Cas 24.950 ± 0.167 –3.890 ± 0.231 0.15 6.5 ± 0.1 5.0 ± 0.2

Notes. γ Cas is separated from the rest of the systems owing to its questionable nature and not having a solution in GDR2. In this case, the distance estimate is used instead of the parallax.

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