improve brightness scores

[jeff-regier]

Improves brightness scores by filtering out light sources from locations where the sky intensity dimmer than it should be. Basically fixes the flux point estimates by excluding around 20% of light sources.

│ Row │ N   │ first     │ second    │ diff       │ diff_sd    │ field           │
├─────┼─────┼───────────┼───────────┼────────────┼────────────┼─────────────────┤
│ 1   │ 129 │ 0.0775194 │ 0.0775194 │ 0.0        │ 0.0213178  │ missed_stars    │
│ 2   │ 353 │ 0.0396601 │ 0.0509915 │ -0.0113314 │ 0.010402   │ missed_galaxies │
│ 3   │ 482 │ 0.267632  │ 0.265964  │ 0.00166788 │ 0.00634124 │ position        │
│ 4   │ 384 │ 0.179285  │ 0.147537  │ 0.0317479  │ 0.0106464  │ flux_r_mag      │
│ 5   │ 384 │ 0.655357  │ 0.64015   │ 0.0152074  │ 0.0478577  │ flux_r_nmgy     │
│ 6   │ 105 │ 16.9819   │ 15.5799   │ 1.40192    │ 1.31291    │ gal_angle_deg   │
│ 7   │ 211 │ 0.260781  │ 0.187022  │ 0.0737584  │ 0.0215299  │ gal_frac_dev    │
│ 8   │ 211 │ 0.199889  │ 0.145787  │ 0.0541026  │ 0.0103492  │ gal_axis_ratio  │
│ 9   │ 211 │ 1.29034   │ 0.612578  │ 0.677761   │ 0.331698   │ gal_radius_px   │
│ 10  │ 371 │ 1.0283    │ 0.575659  │ 0.452643   │ 0.0498698  │ color_ug        │
│ 11  │ 473 │ 0.338041  │ 0.175434  │ 0.162607   │ 0.0204756  │ color_gr        │
│ 12  │ 481 │ 0.201293  │ 0.126392  │ 0.0749017  │ 0.0124566  │ color_ri        │
│ 13  │ 477 │ 0.386288  │ 0.189743  │ 0.196545   │ 0.0235967  │ color_iz        │

[codecov[bot]]

Codecov Report

Merging #710 into master will increase coverage by 0.07%. The diff coverage is 75.82%.

@@            Coverage Diff             @@
##           master     #710      +/-   ##
==========================================
+ Coverage   80.86%   80.93%   +0.07%     
==========================================
  Files          35       35              
  Lines        3673     3697      +24     
==========================================
+ Hits         2970     2992      +22     
- Misses        703      705       +2

Impacted Files	Coverage Δ
src/deterministic_vi/ElboMaximize.jl	100% <ø> (ø)	:arrow_up:
src/model/param_set.jl	15% <ø> (ø)	:arrow_up:
src/mcmc/mcmc_functions.jl	45.94% <0%> (ø)	:arrow_up:
src/deterministic_vi/elbo_kl.jl	51.19% <0%> (ø)	:arrow_up:
src/GalsimBenchmark.jl	100% <100%> (ø)	:arrow_up:
src/model/imaged_sources.jl	100% <100%> (ø)	:arrow_up:
src/Synthetic.jl	74.57% <100%> (ø)	:arrow_up:
src/BivariateNormals.jl	100% <100%> (ø)	:arrow_up:
src/joint_infer.jl	70.37% <100%> (+0.1%)	:arrow_up:
src/Transform.jl	55.77% <100%> (ø)	:arrow_up:
... and 9 more

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