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Fig. 7
40′′ × 40′′ ionised gas velocity field centred on M 31. Line splittings detected in [Oiii] 5007 Ȧ are superimposed on the velocity field measured on ionised gas by Saglia et al. (2010) and by del Burgo et al. (2000). This velocity field is quite unexpected and do not display any clear rotation pattern.
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