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trynerror
  • Member for 2 years, 11 months
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2 votes
1 answer
4k views

working with stellar spectra in fits format in python

12 votes
1 answer
2k views

What is the mathematical condition for the statement: "gravitationally bound"?

2 votes
0 answers
480 views

Logarithmic rebinning and continuum removal of stellar spectra

6 votes
1 answer
383 views

Natural line width from absorption lines

5 votes
1 answer
357 views

How to remove redshift from galaxy spectra in Python?

1 vote
1 answer
339 views

How to calculate S/N in galaxy absorption spectra?

5 votes
1 answer
327 views

How to extract galaxy spectra for different radii in Python for spectra taken by long slit spectrograph?

3 votes
1 answer
298 views

Finding galaxy spectra in SDSS Catalog by object name

0 votes
1 answer
227 views

What am I doing wrong in this ppxf application?

4 votes
2 answers
146 views

Can the collapse of a gas cloud lead to an elliptical structure?

1 vote
1 answer
140 views

Derive LOSVD from galaxy spectrum, using fourier method

3 votes
1 answer
117 views

How does instrumental dispersion work?

1 vote
0 answers
111 views

Can this ppxf fit work?

2 votes
1 answer
111 views

How to fit LOSVD of a galaxy with gauss hermite parametrization

0 votes
1 answer
109 views

2D Galaxy Spectrum taken by long-slit-spectrograph

1 vote
1 answer
102 views

redshift puzzle

5 votes
2 answers
100 views

What is meant by " elliptical galaxies stabilize due to the chaotic motion of stars"?

2 votes
0 answers
97 views

Different types of line broadening in stellar and galactic spectra

3 votes
2 answers
95 views

How to construct optimal Wiener Filter?

3 votes
0 answers
75 views

S/N binning of 2D spectral galactic data

1 vote
0 answers
68 views

Which stars are elliptical galaxies constituted by?

2 votes
0 answers
47 views

Formation scenarios for elliptical galaxies?

0 votes
1 answer
41 views

What is the unit of the correlation function between logarithmically rebinned galaxy spectrum and stellar template spectrum?

3 votes
0 answers
30 views

How to find x-values of fourier-transformed correlation functions in velocity space?