Open Access
Table 1
Summary of model setup and behaviour for the selected star formation regions.
| Orion | Cygnus X | Perseus | Taurus | |
|---|---|---|---|---|
| l bounds (°) | 180 ≤ l ≤ 217 | 73 ≤ l ≤ 87 | 154 ≤ l ≤ 164 | 165 ≤ l ≤ 180 |
| b bounds (°) | −25.5 ≤ b ≤−3.8 | −4 ≤ b ≤ 6 | −25 ≤ b ≤−14 | −20 ≤ b ≤−10 |
| d bounds (pc) | 250 ≤ d ≤ 550 | 800 ≤ d ≤ 2200 | 180 ≤ d ≤ 500 | 40 ≤ d ≤ 350 |
| Stars incorporated from (pc) | 270 | 1200 | 200 | 90 |
| Training nl, nb, nd (cells) | 40, 40, 55 | 40, 40, 65 | 30, 30, 35 | 30, 30, 35 |
| Training resolution (pc) | 2.3 | 3.5 | 1.0 | 0.23 |
| Number of sources | 87283 | 703291 | 92829 | 107051 |
| Initial scale length (x, y, z; pc) | 10 | 15 | 10 | 5 |
| Final scale length (x, y, z; pc) | 9.5, 9.3, 9.5 | 19.1, 19.1, 19.2 | 12.8, 5.8, 6.4 | 9.2, 6.7, 4.9 |
| Initial mean density (mag pc−1) | 4.6 × 10−4 | 3.0 × 10−3 | 4.6 × 10−4 | 1.5 × 10−3 |
| Final mean density (mag pc−1) | 1.06 × 10−3 | 1.2 × 10−3 | 6.0 × 10−4 | 1.1 × 10−3 |
| Initial scale factor (dex) | 0.297 | 0.060 | 0.297 | 0.291 |
| Final scale factor (dex) | 0.231 | 0.057 | 0.293 | 0.136 |
| Learning rate | 0.01 | 0.01 | 0.01 | 0.005 |
| Number of iterations | 500 | 500 | 1000 | 1500 |
| Number of inducing points | 1000 | 1000 | 1000 | 500 |
| Predicting nl, nb, nd (cells) | 100, 100, 105 | 100, 100, 105 | 100, 100, 105 | 100, 100, 105 |
| Predicting resolution (pc) | 0.9 | 1.4 | 0.3 | 0.07 |
| Run time (hours) (1) | 132 | 287 | 39 | 59 |
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