This paper presents accurate homogeneous positions , velocities and other pertinent properties for 460 newly discovered and 169 previously known planetary nebulae ( PNe ) in the central 25deg ^ { 2 } bar region of the Large Magellanic Cloud ( LMC ) .
Candidate emission sources were discovered using a deep , high resolution H \alpha map of the LMC obtained by median stacking a dozen 2 hour H \alpha exposures taken with the UK Schmidt Telescope ( UKST ) .
Our spectroscopic followup of more than 2,000 compact ( ie . < 20 arcsec ) H \alpha emission candidates uncovered has tripled the number of PNe in this area .
All of the 169 previously known PNe within this region have also been independently recovered and included in this paper to create a homogeneous data set .
Of the newly discovered PNe , we classify 291 as “ true ” , 54 as “ likely ” and 115 as “ possible ” based on the strength of photometric and spectroscopic evidence .
Radial velocities have been measured using both weighted averaging of emission lines and cross-correlation techniques against high quality templates .
Based on the median comparison of the two systems , we define a measurement error of \pm 4 km s ^ { -1 } .
A new velocity map of the central 25 deg ^ { 2 } of the LMC , based on results from the combined new and previously known PNe , is presented , indicating an averaged heliocentric velocity differential of 65 kms ^ { -1 } perpendicular to the line of nodes for the entire PN population across our survey area .
Averaged velocities of our PNe and molecular hydrogen ( from the literature ) across 37 \times 37 arcmin sub areas are compared .
The PNe are found to have a higher vertical velocity dispersion than the H i disk to a maximum of 10 times the spread of the H i disk , in keeping with the findings of Meatheringham et al .
( 1988 ) .
In addition , moving out from the main bar , we find that the PNe population follows a plane which is somewhat warped in relation to the H i disk .
We estimate the total PN population of the entire LMC system , based on our R _ { equiv } H \alpha limiting magnitude of \sim 22 , to be 956 \pm 141 .