Three red giants with substellar-mass companions

We present three giant stars from the ongoing Penn State-Toru'n Planet Search with the Hobby-Eberly Telescope, which exhibit radial velocity variations that point to a presence of planetary --mass companions around them. BD+49 828 is a $M=1.52\pm 0.22$ $M_{\odot }$ K0 giant with a $m sini$=$1.6^{+0.4}{-0.2}$ $M_J$ minimum mass companion in $a=4.2_{-0.2}^{+0.32}$ AU ($2590_{-180}^{+300}$d), $e=0.35_{-0.10}^{+0.24}$ orbit. HD 95127, a log$L$/$L_{\odot }$=$2.28\pm 0.38$, $R=20\pm 9$ $R_{\odot }$, $M=1.20\pm 0.22$ $M_{\odot }$ K0 giant has a $m sini$=$5.01^{+0.61}{-0.44}$ $M_J$ minimum mass companion in $a=1.28_{-0.01}^{+0.01}$ AU ($482_{-5}^{+5}$d), $e=0.11_{-0.06}^{+0.15}$ orbit. Finally, HD 216536, is a $M=1.36\pm 0.38$ $M_{\odot }$ K0 giant with a $m sin i=1.47^{+0.20}_{-0.12}$ $M_J$ minimum mass companion in $a=0.609_{-0.002}^{+0.002}$ AU ($148.6_{-0.7}^{+0.7}$d), $e=0.38_{-0.10}^{+0.12}$ orbit. Both, HD 95127 b and HD 216536 b in their compact orbits, are very close to the engulfment zone and hence prone to ingestion in the near future. BD+49 828 b is among the longest period planets detected with the radial velocity technique until now and it will remain unaffected by stellar evolution up to a very late stage of its host. We discuss general properties of planetary systems around evolved stars and planet survivability using existing data on exoplanets in more detail.