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Fig. 1


Sky position of the two background stars RX J0439.86809 (at d< 13.3 kpc) and Sk 69 59 (at d> 45 kpc). The contours show the H i column density in the velocity range vLSR = 100−165 km s-1 in steps of 2 × 1018 cm-2 starting at 2 × 1018 cm-2, as observed in the 21cm Parkes multibeam survey of the LMC (adapted from Staveley-Smith et al. 2003). The HVC presumably is much more extended in ionized gas, as indicated by the detection of UV absorption outside the 21 cm boundaries (see also L09).

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