HIP 38939B: A new benchmark T dwarf in the galactic plane discovered with Pan-STARRS1

Niall R. Deacon, Michael C. Liu, Eugene A. Magnier, Brendan P. Bowler, Joshua Redstone, Bertrand Goldman, W. S. Burgett, K. C. Chambers, H. Flewelling, N. Kaiser, J. S. Morgan, P. A. Price, W. E. Sweeney, J. L. Tonry, R. J. Wainscoat, C. Waters