“Mass Transfer in Binary Systems of a White Dwarf”

  
Ø* Speaker : Prof. Heewon Lee[Sejong University]
Ø* Place : Demonstration Lecture Hall 122,바카라 먹튀Postech Information Research Laboratories
Ø* Date & Time : Nov,바카라 먹튀27(Fri)바카라 먹튀4:00 ~ 5:00 pm

  
ØAbstract
  
Many interesting astrophysical phenomena are known in binary systems containing a
white dwarf when the바카라 먹튀companion바카라 먹튀star바카라 먹튀loses바카라 먹튀some바카라 먹튀its바카라 먹튀mass.바카라 먹튀White바카라 먹튀dwarf바카라 먹튀binary
systems are progenitors of Type Ia supernovae, which바카라 먹튀are바카라 먹튀important바카라 먹튀to바카라 먹튀probe바카라 먹튀the
accelerated expansion of the universe.바카라 먹튀Outward transport of angular momenta leads
to the formation of an accretion disk around the white dwarf. Many details in accretion
flow are known바카라 먹튀in바카라 먹튀close바카라 먹튀binary바카라 먹튀systems,바카라 먹튀which are collectively바카라 먹튀called cataclysmic
variables. Much less is known in the case of wide binaries known as symbiotic stars,
where mass transfer is achieved via gravitational capture of slow stellar wind.바카라 먹튀In바카라 먹튀this
talk, a brief introdcution to accretion phenomena in binary systems바카라 먹튀of바카라 먹튀awhite바카라 먹튀dwarf
will be given with some observational results obtained from Mt. Bohyun.
                    

              Contact Person : Prof. Jaemo Park (054-279-2090, jaemo@postech.ac.kr)