토토 카지노PHYSICS/BK21 Colloquium[09.11.27]

“Mass Transfer in Binary Systems of a White Dwarf”

  
Ø* Speaker : Prof. Heewon Lee[Sejong University]
Ø* Place : Demonstration Lecture Hall 122,토토 카지노Postech Information Research Laboratories
Ø* Date & Time : Nov,토토 카지노27(Fri)토토 카지노4:00 ~ 5:00 pm

  
ØAbstract
  
Many interesting astrophysical phenomena are known in binary systems containing a
white dwarf when the토토 카지노companion토토 카지노star토토 카지노loses토토 카지노some토토 카지노its토토 카지노mass.토토 카지노White토토 카지노dwarf토토 카지노binary
systems are progenitors of Type Ia supernovae, which토토 카지노are토토 카지노important토토 카지노to토토 카지노probe토토 카지노the
accelerated expansion of the universe.토토 카지노Outward transport of angular momenta leads
to the formation of an accretion disk around the white dwarf. Many details in accretion
flow are known토토 카지노in토토 카지노close토토 카지노binary토토 카지노systems,토토 카지노which are collectively토토 카지노called 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.토토 카지노In토토 카지노this
talk, a brief introdcution to accretion phenomena in binary systems토토 카지노of토토 카지노awhite토토 카지노dwarf
will be given with some observational results obtained from Mt. Bohyun.
                    

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