We explore the gas morphology and excitation mechanisms of the ionization cones of the Type II Seyfert galaxy NGC 5728 .
Kinematics derived from near-IR and optical data from the SINFONI and MUSE IFUs on the VLT reveal AGN-driven outflows powered by a super-massive black hole ( SMBH ) of mass 3.4 \times 10 ^ { 7 } M _ { \odot } , bolometric luminosity of 1.46 \times 10 ^ { 44 } erg s ^ { -1 } , Eddington ratio 3.3 \times 10 ^ { -2 } and an accretion rate of 2.7 ~ { } \times 10 ^ { -2 } M _ { \odot } yr ^ { -1 } .
The symmetric bicone outflows show rapid acceleration to \pm 250 km s ^ { -1 } at \sim 250 pc , then decelerating to \sim 130 km s ^ { -1 } at 500 pc from the AGN , with an estimated mass outflow rate of 38 M _ { \odot } yr ^ { -1 } ; the mass ratio of outflows to accretion is 1415 .
The kinetic power is 1.5 \times 10 ^ { 42 } erg s ^ { -1 } , 1 % of the bolometric luminosity .
Over the AGN active lifetime of \sim 10 ^ { 7 } years , 1.6 \times 10 ^ { 8 } ~ { } M _ { \odot } of gas can become gravitationally unbound from the galaxy , a large proportion of the gas mass available for star formation in the nuclear region .
The bicone internal opening angle ( 50 \degr .2 ) and the inclination to the LOS ( 47 \degr .6 ) were determined from [ \ion Fe2 ] line profiles ; the outflow axis is nearly parallel to the plane of the galaxy .
This geometry supports the Unified Model of AGN , as these angles preclude seeing the accretion disk , which is obscured by the dusty torus .