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trynerror
  • Member for 2 years, 10 months
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12 votes
1 answer
2k views

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

6 votes
1 answer
372 views

Natural line width from absorption lines

5 votes
2 answers
98 views

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

5 votes
1 answer
311 views

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

5 votes
1 answer
336 views

How to remove redshift from galaxy spectra in Python?

4 votes
2 answers
144 views

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

3 votes
2 answers
88 views

How to construct optimal Wiener Filter?

3 votes
0 answers
29 views

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

3 votes
0 answers
66 views

S/N binning of 2D spectral galactic data

3 votes
1 answer
273 views

Finding galaxy spectra in SDSS Catalog by object name

3 votes
1 answer
108 views

How does instrumental dispersion work?

2 votes
0 answers
86 views

Different types of line broadening in stellar and galactic spectra

2 votes
0 answers
451 views

Logarithmic rebinning and continuum removal of stellar spectra

2 votes
0 answers
45 views

Formation scenarios for elliptical galaxies?

2 votes
1 answer
101 views

How to fit LOSVD of a galaxy with gauss hermite parametrization

2 votes
1 answer
3k views

working with stellar spectra in fits format in python

1 vote
1 answer
99 views

redshift puzzle

1 vote
0 answers
98 views

Can this ppxf fit work?

1 vote
1 answer
253 views

How to calculate S/N in galaxy absorption spectra?

1 vote
0 answers
67 views

Which stars are elliptical galaxies constituted by?

1 vote
1 answer
115 views

Derive LOSVD from galaxy spectrum, using fourier method

0 votes
1 answer
98 views

2D Galaxy Spectrum taken by long-slit-spectrograph

0 votes
1 answer
183 views

What am I doing wrong in this ppxf application?

0 votes
1 answer
37 views

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