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Table 4.
Evolved massive star candidate selection criteria.
| Group | Color criteria | Magnitude criteria |
|---|---|---|
| BSGGaia | (BP − RP) < 0.4 | G ≤ 2.333 × (BP − RP)+14.617 |
| 0.4 ≤ (BP − RP) < 0.65 | G ≤ −3.200 × (BP − RP)+16.830 | |
| YSGGaia | 0.65 ≤ (BP − RP) < 1.1 | G ≤ 14.750 |
| RSGGaia | 1.1 ≤ (BP − RP) < 1.7 | G ≤ 0.833 × (BP − RP)+13.833 |
| 1.7 ≤ (BP − RP) < 2.2 | G ≤ −2.600 × (BP − RP)+19.670 | |
| 2.2 ≤ (BP − RP) | G ≤ 13.950 | |
| BSGSkyMapper | (r − i) < − 0.05 | i ≤ 2.933 × (r − i)+15.797 |
| −0.05 ≤ (r − i) < 0.1 | i ≤ −6.667 × (r − i)+15.317 | |
| YSGSkyMapper | 0.1 ≤ (r − i) < 0.3 | i ≤ 14.650 |
| RSGSkyMapper | 0.3 ≤ (r − i) < 0.65 | i ≤ 14.650 |
| 0.65 ≤ (r − i) < 0.9 | i ≤ −5.200 × (r − i)+18.030 | |
| 0.9 ≤ (r − i) | i ≤ 13.350 | |
| BSGNSC | (g − r) < 0.05 | r ≤ 2.182 × (g − r)+15.541 |
| 0.05 ≤ (g − r) < 0.2 | r ≤ −6.000 × (g − r)+15.950 | |
| YSGNSC | 0.2 ≤ (g − r) < 0.7 | r ≤ 14.750 |
| RSGNSC | 0.7 ≤ (g − r) < 1.3 | r ≤ 0.750 × (g − r)+14.225 |
| 1.3 ≤ (g − r) < 1.8 | r ≤ −2.500 × (g − r)+18.450 | |
| 1.8 ≤ (g − r) | r ≤ 13.950 | |
| BSGM2002 | (V − R) < 0.15 | R ≤ 6.154 × (V − R)+14.527 |
| 0.15 ≤ (V − R) < 0.25 | R ≤ −9.000 × (V − R)+16.800 | |
| YSGM2002 | 0.25 ≤ (V − R) < 0.5 | R ≤ 14.550 |
| RSGM2002 | 0.5 ≤ (V − R) < 0.8 | R ≤ 1.333 × (V − R)+13.883 |
| 0.8 ≤ (V − R) < 1.1 | R ≤ 4.000 × (V − R)+18.150 | |
| 1.1 ≤ (V − R) | R ≤ 13.750 | |
| BSG2MASS | (J − KS) < 0.15 | KS ≤ 1.200 × (J − KS)+14.670 |
| 0.15 ≤ (J − KS) < 0.3 | KS ≤ −9.333 × (J − KS)+16.250 | |
| YSG2MASS | 0.3 ≤ (J − KS) < 0.5 | KS ≤ −3.000 × (J − KS)+14.350 |
| RSG2MASS | 0.5 ≤ (J − KS) < 1.0 | KS ≤ −1.800 × (J − KS)+13.750 |
| 1.0 ≤ (J − KS) < 1.3 | KS ≤ −6.667 × (J − KS)+18.617 | |
| 1.3 ≤ (J − KS) | KS ≤ 9.950 | |
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