“Mass Transfer in Binary Systems of a White Dwarf”

  
Ø* Speaker : Prof. Heewon Lee[Sejong University]
Ø* Place : Demonstration Lecture Hall 122,먹튀 토토Postech Information Research Laboratories
Ø* Date & Time : Nov,먹튀 토토27(Fri)먹튀 토토4:00 ~ 5:00 pm

  
ØAbstract
  
Many interesting astrophysical phenomena are known in binary systems containing a
white dwarf when the먹튀 토토companion먹튀 토토star먹튀 토토loses먹튀 토토some먹튀 토토its먹튀 토토mass.먹튀 토토White먹튀 토토dwarf먹튀 토토binary
systems are progenitors of Type Ia supernovae, which먹튀 토토are먹튀 토토important먹튀 토토to먹튀 토토probe먹튀 토토the
accelerated expansion of the universe.먹튀 토토Outward transport of angular momenta leads
to the formation of an accretion disk around the white dwarf. Many details in accretion
flow are known먹튀 토토in먹튀 토토close먹튀 토토binary먹튀 토토systems,먹튀 토토which are collectively먹튀 토토called 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.먹튀 토토In먹튀 토토this
talk, a brief introdcution to accretion phenomena in binary systems먹튀 토토of먹튀 토토awhite먹튀 토토dwarf
will be given with some observational results obtained from Mt. Bohyun.
                    

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