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0 answers
3 views

Reason for different surface temperatures of Tau Ceti and Epsilon Indi at similar properties

2 votes
1 answer
39 views

Stellar evolution temperature gradient - why the logarithm?

0 votes
1 answer
10 views

Recognize the celestial object in UMa

1 vote
1 answer
18 views

What can we learn from the rotation data of a star?

2 votes
2 answers
40 views

How to use Astropy to edit a keyword (not value) in batches of FITS file headers to be used in AstroimageJ (AIJ)? (summer undergrad research project)

3 votes
1 answer
29 views
+100

Evaluating Potentials using Galpy

1 vote
1 answer
211 views

Query with Gaia: I have a list of 1000+ source_id's. How do I find the associated stars and their data?

2 votes
2 answers
43 views

What does "energy dumped into waves" mean?

2 votes
1 answer
55 views

What criteria determines whether stars are supernova type II candidates?

4 votes
1 answer
1k views

What does "to within less than about thirty Schwarzschild radii" mean?

7 votes
3 answers
658 views

How can I calculate an orbital elliptic trajectory from the velocity vector?

10 votes
2 answers
1k views

JPL Horizons - "highly accurate measurements of planetary positions" - how do they do it?

4 votes
1 answer
354 views

Virial theorem, contraction, and stars getting hotter

2 votes
1 answer
54 views

Are asteroids 2012 PM35 and 2020 OG106 aliases?

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