FTPC is a high-resolution radial Time Projection Chamber with wire chamber pad readout for tracking charged particles within the phase space of pseudo-rapidity eta = 2.5 - 4, azimuthal angle phi = 0-360 deg, and transverse momentum Pt of several GeV/c.
FTPC is located inside the STAR solenoid magnet, extending between the RHIC beam pipe and the SVT support cone. It has a sensitive volume of r = 8 - 30 cm and z = 160 - 260 cm. Making use of the STAR magnetic field, FTPC can achieve a typical momentum resolution around 12% and discriminate between positive and negative charges.