1
Q
single stellar evo vs binary evolution?
A
1
Q
why study stars?
A
physics lab (GR)
element synthesis
calibrators
2
Q
example of well studies star?
A
sirius – WD– accurate measured mass
3
Q
why study binaries?
A
most of HMS in binaries
stellar evo diff for binaries
4
Q
Observables of single stars
A
magntiude, parallax
–> Teff, dist
–> L
–> R
binary
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