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2 votes
0 answers
67 views

Finding the uncertainty in period for String-Length Minimization calculation

I wrote a Python script that calculates the period of an unevenly sampled data set using the String-Length Minimization method. You can read about that method here: A period-finding method for sparse ...
Zachary Kennedy's user avatar
4 votes
1 answer
385 views

How do I get temperature and diameter from a light curve?

I recently learned that short-period pulsating stars vary in diameter and temperature when they pulsate. If I have a light curve for such an object, is it possible to calculate its diameter and ...
Zachary Kennedy's user avatar
2 votes
1 answer
2k views

How do I phase fold the light curve for a variable star?

I have some observational data for a star where I've done aperture photometry to get a partial period. I understand that you need to use other techniques to estimate a period for stars whose period is ...
Zachary Kennedy's user avatar
4 votes
2 answers
166 views

Classification and discovery of stars

How do astronomers find the difference between a 'Cephid Variable Star' and distinct normal stars with opaque objects blocking it's light, like stars with planets revolving around them while both ...
Aathesh Vigram's user avatar