V$LOGMNR_SESSION

Columns
   ___________________________
 
   SESSION_ID
   SESSION_NAME
   SESSION_STATE
   START_SCNWRP
   START_SCNBAS
   END_SCNWRP
   END_SCNBAS
   SPILL_SCNWRP
   SPILL_SCNBAS
   REQUIRED_SLAVE_NUM
   EAGER_THRESHOLD
   STOPMINING_THRESHOLD
   MEMORY_SIZE
   CLIENT_ID
   DB_ID
   RESET_SCNWRP
   RESET_SCNBAS
   CALLBACK_COUNT
   SLAVE_COUNT

Related:

 V$LOGMNR_CALLBACK 
 V$LOGMNR_CONTENTS 
 V$LOGMNR_DICTIONARY 
 V$LOGMNR_LOGFILE 
 V$LOGMNR_LOGS 
 V$LOGMNR_PARAMETERS 
 V$LOGMNR_PROCESS 
 V$LOGMNR_REGION 
 V$LOGMNR_STATS 
 V$LOGMNR_TRANSACTION