Light Curves Flashcards
1
Q
aperture
A
small area is centered on the object of interest
doesn’t take the noise into consideration.
2
Q
Lightcurve photometry
graph that illustrates the brightness over time
A
different brightness values over time
3
Q
Lightcurve photometry
What can be discovered ?
A
- relative sizes
- distance
- The shape and inclination of their orbit
- If they are in contact
- temp
4
Q
Variable stars
Intrinsic
A
due to the own motion of the star
contraction, pulsation
5
Q
Variable stars
Extrinsic:
A
due to the effect of another object
extrasolar planet, binary companion
6
Q
Algol-Type
A
One of the stars can eclipse its binary companion
7
Q
Beta Lyrae
A
the two stars in the binary system are close, but not in contact
8
Q
W UMa
A
the two stars of the binary system are in contact or overcontact
