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Table 1

Data on the runaway stars associated with the CMa shell.

Parameters Value Reference
HD 53974 B2I Houk & Swift (1999)
RA, Dec (J2000) 07 06 40.77, −11 17 38.44
l, b (deg) 224.71, −01.79
μα cos δ (mas yr−1) −3.14±0.72 van Leeuwen (2007)
μδ (mas yr−1) 3.32±0.55 van Leeuwen (2007)
Parallax (mas) 1.07±0.61 van Leeuwen (2007)
Radial velocity (km s−1) 31.0±4.2 Gontcharov (2006)

HD 54662 O7V Sota et al. (2014)
RA, Dec (J2000) 07 09 20.25, −10 20 47.63
l, b (deg) 224.17, −0.78
μα cos δ (mas yr−1) −2.055±0.142 Gaia Collaboration (2018)
μδ (mas yr−1) 2.645±0.169 Gaia Collaboration (2018)
Parallax (mas) 0.85±0.51 Gaia Collaboration (2018)
Radial velocity (km s−1) 57.9±2.5 Gontcharov (2006)

HD 57682 O9.2IV Sota et al. (2014)
RA, Dec (J2000) 07 22 02.05, −08 58 45.76
l, b (deg) 224.41, +02.63
μα cos δ (mas yr−1) 9.772±0.089 Gaia Collaboration (2018)
μδ (mas yr−1) 12.821±0.074 Gaia Collaboration (2018)
Parallax (mas) 0.81±0.59 Gaia Collaboration (2018)
Radial velocity (km s−1) 24.1±1.2 Gontcharov (2006)

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