Open Access
Table B.1
Table of early HBe stars studied in this work along with the basic parameters such as the spectral type, mass, and AV from Guzmán-Díaz et al. (2021); the EW of Hα from Vioque et al. (2018); and the assigned type (intense and weak) of HBe from this work. The n(J–H) Lada index was calculated using 2MASS photmetric magnitudes.
| Object Name | Spectral Type | Mass (M⊙) | Av (mag) | EWHa (Å) | n(J–H) | Class |
|---|---|---|---|---|---|---|
| CPM 25 | B3-B4 |  |
4.5 ± 0.1 | −200.20 | 0.243 | Intense_HBe |
| HD 200775 | B4 |  |
2.0 ± 0 | −63.83 | −1.015 | Intense_HBe |
| HD 323771 | B5-B6 |  |
1.5 ± 0.19 | −59.35 | 0.234 | Intense_HBe |
| HD 87643 | B4 |  |
2.5 ± 0.17 | −145.20 | 1.397 | Intense_HBe |
| Hen 3-1121 | B1-B2 |  |
4.0 ± 0 | −135.41 | 0.215 | Intense_HBe |
| Hen 3-938 | O |  |
5.5 ± 0 | −92.95 | 0.749 | Intense_HBe |
| MWC 1080 | B0 |  |
5.0 ± 0.19 | −113.19 | 0.571 | Intense_HBe |
| MWC 878 | B0 |  |
3.5 ± 0 | −55.19 | −1.151 | Intense_HBe |
| PDS 27 | B4-B5 |  |
5.0 ± 0.07 | −77.6 | 0.545 | Intense_HBe |
| PDS 34 | B4 |  |
3.0 ± 0 | −50.20 | 0.110 | Intense_HBe |
| PDS 37 | B2-B3 |  |
5.5 ± 0 | −123.76 | 1.588 | Intense_HBe |
| PDS 477 | B2-B3 |  |
4.5 ± 0 | −121.19 | 0.596 | Intense_HBe |
| PDS 581 | B2-B3 |  |
3.0 ± 0 | −201.19 | 2.86 | Intense_HBe |
| V431 Sct | B2 |  |
4.0 ± 0 | −126.20 | −0.124 | Intense_HBe |
| V921 Sco | B0-B1 |  |
5.5 ± 0 | −195.49 | −0.128 | Intense_HBe |
| HBC 7 | B2-B3 |  |
4.5 ± 0 | −41.81 | −2.588 | Weak_HBe |
| HBC 705 | B2 |  |
5.5 ± 0 | −27.11 | −2.509 | Weak_HBe |
| HD 141926 | B0 |  |
2.5 ± 0.09 | −46.88 | −2.429 | Weak_HBe |
| HD 305298 | O |  |
2.0 ± 0.18 | −3.24 | −2.687 | Weak_HBe |
| HD 313571 | B4 |  |
2.5 ± 0 | −38.83 | −2.359 | Weak_HBe |
| HD 50083 | B3-B4 |  |
1.0 ± 0 | −47.83 | −2.445 | Weak_HBe |
| HD 76534 | B2 |  |
1.0 ± 0 | −16.84 | −2.839 | Weak_HBe |
| Hen 3-1121S | O-B0 |  |
3.5 ± 0 | −1.29 | −3.100 | Weak_HBe |
| Hen 3-823 | B4 |  |
1.5 ± 0 | −29.83 | −2.525 | Weak_HBe |
| IL Cep | B2 |  |
3.0±0 | −22.83 | −2.617 | Weak_HBe |
| MWC 655 | B2-B3 |  |
1.5 ± 0.07 | −15.49 | −2.267 | Weak_HBe |
| MWC 953 | B4 |  |
3.5 ± 0.14 | −32.21 | −2.273 | Weak_HBe |
| PDS 286 | B0 |  |
6.0 ± 0 | −30.77 | −2.566 | Weak_HBe |
| PDS 344 | B5-B6 |  |
1.5 ± 0 | −30.03 | −2.156 | Weak_HBe |
| PDS 361S | B3-B4 |  |
2.0 ± 0 | −9.32 | −2.394 | Weak_HBe |
| PDS 543 | O-B0 |  |
6.5 ± 0 | −2.19 | −3.13 | Weak_HBe |
| V361 Cep | B4 |  |
2.0 ± 0 | −32.59 | −2.293 | Weak_HBe |
| WRAY 15-1435 | B2-B3 |  |
4.0 ± 0 | −21.19 | −2.089 | Weak_HBe |
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