Binary Evolution Flashcards
1
Q
System where a star affects the evolution of its companion
A
Closed binary system
2
Q
Gravitation force from companion distorts star
A
Tidal effect
3
Q
When stars show one face towards companion
A
Tidally locked
4
Q
Lagrange points
A
regions of enhanced attraction/repulsion in two mass body systems
5
Q
Equipotential
A
points where everything has same potential
6
Q
When stars only interact via gravity (stars smaller than Roche lobes)
A
Detached
7
Q
When one star fills Roche lobe and mass flows to companion (accretion disk forms)
A
Semi-detached
8
Q
When both stars fill Roche lobes
A
Contact
9
Q
Thermonuclear explosion of accreted surface layers on white dwarf in binary system
A
Nova
