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Table 1

Spatial resolutions, gas morphologies, and interaction types.

Galaxy name mB i(1) D25 HI linewidth(2) Dist.(3) Resolution(4) Gas distribution Interaction type
(mag) (deg) arcmin (km s-1) (deg) (arcsec)

NGC 4254 10.44 30 5.37 250 3.6 40 normal + HI tail tidal
NGC 4321 10.02 27 7.41 268 4.0 32 normal none
NGC 4330 13.09 84 4.47 275 2.1 28 truncated + HI tail active ram pressure
NGC 4402 12.64 80 3.89 288 1.4 18 truncated + HI tail active ram pressure
NGC 4419 12.08 74 3.31 382 2.8 18 anemic + truncated past ram pressure?
NGC 4438 10.39  ~ 70 9.3 1.0 25 truncated+extraplanar gas tidal + active ram pr
NGC 4501 10.50 57 6.92 532 2.0 18 truncated active ram pressure
NGC 4522 12.99 79 3.72 240 3.3 20 truncated+extraplanar gas active ram pressure
NGC 4548 10.96 38 5.37 249 2.4 18 anemic active ram pressure?
NGC 4569 10.26 65 9.55 406 1.7 18 truncated past ram pressure
NGC 4579 10.48 38 5.89 371 1.8 44 anemic + truncated none?
NGC 4654 11.31 51 4.90 310 3.4 18 normal + HI tail tidal + active ram pr

Notes. 

(1)

Inclination angle;

(2)

observed HI width at 20% (from Chung et al. 2009);

(3)

distance from M 87;

(4)

common image resolution.

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