We present Expanded Very Large Array ( EVLA ) D-array observations in the 21-cm line of neutral hydrogen ( H i ) of CIG 292 , an isolated SA ( s ) b galaxy at a distance of \sim 24.3 Mpc .
From previous H i single dish observations the galaxy was known to have a mildly asymmetric H i profile ( A _ { flux } =1.23 \pm 0.3 ) .
Our EVLA observations show there is \sim 12 % more H i projected South of the optical centre ( approaching velocities ) than in the North ( receding velocities ) , despite the H i extending \sim 16 % further to the North than the South .
The H i projected within the optical disk must have been perturbed within the H i relaxation time ( \sim 10 ^ { 8 } yr ) which implies that this can not have been caused by any of the three nearest companions , as their distance ( \sim 0.5 Mpc ) is too large .
Neither H i –rich companions nor tidal tails were found within our field of view and velocity range covered . Our kinematical data suggest that the inner part harbors an oval distortion whereas the outer regions show signs of a modest warp . The mild asymmetry in the H i global profile thus actually masks stronger asymmetries in the two–dimensional distributions of gas and star forming regions in this galaxy .
Since the galaxy is isolated , this must predominantly be due to processes related to its formation and secular evolution .