PSRJ 1957+50 RAJ 19:57:38.9411876 1 0.33315030589727044058 DECJ +50:33:18.42771 1 3.67179122124238156602 F0 2.6680453409818418735 1 0.00000000274331913483 F1 -5.0495602019463909126e-14 1 3.4680470540083282635e-16 F2 0 PEPOCH 54800 POSEPOCH 54800 DMEPOCH 54800 DM 0 START 54682.655433752239333 FINISH 55097.40810327851068 TZRMJD 54900.946258162503852 TZRFRQ 0 TZRSITE coe TRES 10571.908 EPHVER 5 CLK TT(TAI) MODE 1 UNITS TDB EPHEM DE405 NITS 1 NTOA 20