Hyeonguk Bahk

The unit of `"_r"` suddenly disappeared from the Vizier result table.

3

Hi, I recently found that the Vizier query no longer gives the unit of angular separation `_r` in the result table, which makes error with previous codes I wrote. I'm...

Hello, I noticed an error in the calculation of the pivot wavelength. The first and second arguments for `np.trapz` need to be swapped to fix this.

Sersic fit yields significant bias in flux

3

Hello, I'm struggling with the tractor to photometer Galsim-simulated galaxy profiles. I found that the tractor fit typically underestimates given fluxes, and the Gaussian mixture model flux for a Sersic...