Table 3
Comparison of the LMC systemic motion between this work and Gaia Collaboration (2021b).
Gaia Collaboration (2021b) | This work | |
---|---|---|
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1.858 | 1.914 ± 0.002 |
![]() |
0.385 | 0.384 ± 0.002 |
![]() |
1.115 | 1.114 ± 0.003 |
Notes. Expressed in mas yr−1. Both systemic motions are referred to the LMC photometric centre (αc, δc) = (81.28∘, −69.78∘), by van der Marel (2001). A kinematic model fit is used in Gaia Collaboration (2021b) to derive the systemic motion (see their Table 5, Main model). In this work, the systemic motion is re-derived by computing the median velocity within a 0.5∘ with respect to the LMC centre, where uncertainties are derived as MAD/.
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