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youpilat13
  • Member for 5 years, 4 months
  • Last seen more than a month ago
  • France
18 votes
1 answer
1k views

Exoplanet dip in transit light curve when the planet passes behind the star

6 votes
0 answers
219 views

Get the expression of probed volume between 2 redshifts

5 votes
1 answer
143 views

Interpretation and understanding of the relation for the photometric redshift in a given bin

5 votes
1 answer
179 views

Understanding better the factors on $C_l$ in Angular power spectrum and Relation with Matter power spectrum

4 votes
0 answers
90 views

Cosmology : Formula for the bias of galaxies

4 votes
0 answers
47 views

Cross-correlations between Lagrange and Fourier synthesis

3 votes
1 answer
109 views

Expresion of comoving distance

3 votes
0 answers
271 views

Total number density of galaxies and problematic expression in practise

3 votes
1 answer
811 views

Extract anomalies from two-line element set (TLE) on ISS (International Space Station)

2 votes
0 answers
114 views

Need help on Springel model for galaxy simulation

2 votes
1 answer
841 views

How to find inverse steradian from $\text{arcmin}^{-2}$ for density of galaxy

2 votes
1 answer
71 views

From original burst, fraction of stellar mass still surviving on Main sequence

2 votes
0 answers
71 views

Compute the total stellar mass of galaxy with major influence of Red Giants luminosity

2 votes
1 answer
70 views

Retrogradation movement of planet Mars relatively from Earth by Copernic

2 votes
0 answers
137 views

Clarifications about distances in cosmology

2 votes
0 answers
32 views

Demonstration of scales for the two components (transverse and perpendicular) of Baryonic Acoustic Oscillations (BAO)

2 votes
0 answers
14 views

Is threre a relation between relative or absolute error and standard deviation for ratio of power spectra?

2 votes
0 answers
31 views

Cosmic variance - Fourier Transform - a few precisions

2 votes
0 answers
99 views

Poisson noise for a squared contrast of density - expression of variance equal to $1/n^2$

2 votes
0 answers
32 views

Looking for analytical expression of Cosmic Variance - Poisson distribution?

2 votes
0 answers
141 views

Cosmology context plotting : Covariance matrix - Script to plot Omega_m vs Omega_Lambda diagram in Python

2 votes
0 answers
98 views

Force to fix $\sigma_{8}$ or $A_{s}$ for Forecasts

2 votes
1 answer
84 views

Demo to get Matter Power Spectrum in cosmology

1 vote
1 answer
318 views

Transverse Comoving distance

1 vote
0 answers
93 views

Formula to Compute sigma8 for correction in non-linear regime

1 vote
0 answers
54 views

Deducing distance of closest neighbor galaxy from expression of correlation and mean galaxy density

1 vote
1 answer
74 views

number density of Dark Matter Halos Versus number density of Galaxies

1 vote
1 answer
310 views

Computing the local orbital frame vector directions in a geocentric reference frame