Table 4.
JVLA flux densities of the compact sources from these observations.
| Source | Near-IR | Positions in X band (J2000.0) (c) |
Flux density (mJy) |
α | Spectral | |||
|---|---|---|---|---|---|---|---|---|
| Name (a) | Counterpart (b) | RA | Dec | X-band (2016) | X-band (2018) | C-band (2018) | type | |
| AR1 | F6, Dong80 (d) | 17 45 50.42 ± 0.05 | −28 49 21.95 ± 0.05 | 2.2 ± 0.5 | 2.1 ± 0.3 | 2.1 ± 0.2 | −0.0 ± 0.3 | WN8-9h (f) |
| AR2 | F8, Dong84 | 17 45 50.39 ± 0.05 | −28 49 20.93 ± 0.05 | 0.23 ± 0.05 | 0.24 ± 0.04 | 0.14 ± 0.02 | 1.1 ± 0.4 | WN8-9h (f) |
| AR3 | F1, Dong85 (d) | 17 45 50.21 ± 0.05 | −28 49 21.91 ± 0.05 | 0.17 ± 0.03 | 0.18 ± 0.03 | 0.12 ± 0.01 | 0.8 ± 0.4 | WN8-9h (f) |
| AR4 | F7, Dong83 | 17 45 50.47 ± 0.05 | −28 49 19.19 ± 0.05 | 0.37 ± 0.08 | 0.38 ± 0.06 | 0.28 ± 0.03 | 0.6 ± 0.4 | WN8-9h (f) |
| AR5 | F4, Dong81 | 17 45 50.57 ± 0.05 | −28 49 17.23 ± 0.05 | 0.24 ± 0.05 | 0.21 ± 0.03 | 0.15 ± 0.02 | 0.7 ± 0.4 | WN7-8h (f) |
| AR6 | F19 | 17 45 49.76 ± 0.05 | −28 49 25.62 ± 0.05 | 0.22 ± 0.04 | 0.28 ± 0.04 | 0.43 ± 0.04 | −0.8 ± 0.3 | O4-5 Ia (f) |
| AR7 | F3, Dong82 | 17 45 50.83 ± 0.05 | −28 49 26.05 ± 0.05 | 0.25 ± 0.05 | 0.24 ± 0.04 | 0.18 ± 0.02 | 0.6 ± 0.4 | WN8-9h (f) |
| AR8 | F5, Dong17(d) | 17 45 50.45 ± 0.05 | −28 49 31.56 ± 0.05 | 0.22 ± 0.05 | 0.20 ± 0.03 | 0.16 ± 0.02 | 0.4 ± 0.4 | WN8-9h (f) |
| AR9 | F18, Dong83 | 17 45 50.47 ± 0.05 | −28 49 17.55 ± 0.05 | 0.06 ± 0.01 | 0.22 ± 0.03 | 0.28 ± 0.03 | −0.5 ± 0.3 | O4-5 Ia+(f) |
| AR10 | F2, Dong18 | 17 45 49.69 ± 0.05 | −28 49 25.45 ± 0.05 | 0.16 ± 0.03 | 0.14 ± 0.02 | 0.12 ± 0.01 | 0.3 ± 0.3 | WN8-9h (f) |
| AR11 | Dong79 | 17 45 51.46 ± 0.05 | −28 49 25.40 ± 0.06 | 0.06 ± 0.01 | 0.08 ± 0.01 | 0.047 ± 0.008 | 1.0 ± 0.4 | WN7 (g) |
| AR12 | F14, Dong88 | 17 45 50.68 ± 0.05 | −28 49 22.25 ± 0.05 | 0.07 ± 0.02 | 0.07 ± 0.01 | < 0.025 (e) | > 2.0 | WN8-9h (f) |
| AR13 | F26 | 17 45 50.55 ± 0.05 | −28 49 23.18 ± 0.05 | 0.23 ± 0.05 | 0.16 ± 0.03 | < 0.020 (e) | > 4.1 | O4-5 Ia (f) |
| AR14 | F12, Dong87 | 17 45 50.28 ± 0.05 | −28 49 16.90 ± 0.05 | 0.09 ± 0.02 | 0.05 ± 0.01 | 0.056 ± 0.009 | −0.2 ± 0.5 | WN7-8h (f) |
| AR15 | F9, Dong86 | 17 45 50.26 ± 0.05 | −28 49 11.40 ± 0.05 | 0.27 ± 0.06 | 0.10 ± 0.02 | 0.09 ± 0.01 | 0.2 ± 0.4 | WN8-9h (f) |
| AR16 | F16 | 17 45 50.53 ± 0.05 | −28 49 20.26 ± 0.07 | 0.04 ± 0.01 | < 0.037 (e) | < 0.023 (e) | > 0.9 | WN8-9h (f) |
| AR17 | Dong19 | 17 45 48.60 ± 0.05 | −28 49 42.27 ± 0.05 | 0.23 ± 0.05 | 0.22 ± 0.03 | 0.15 ± 0.02 | 0.7 ± 0.4 | WN8-9h (g) |
| AR18 | Dong96 | 17 45 48.56 ± 0.05 | −28 50 05.65 ± 0.05 | 0.18 ± 0.04 | 0.17 ± 0.03 | 0.11 ± 0.01 | 0.9 ± 0.4 | Ofpe/WN9 (g) |
Notes.
Nomenclature for cluster members adopted by Lang et al. (2001, 2005).
Stellar identification as listed in Clark et al. (2018) and Dong et al. (2011).
Units of right ascension are hours, minutes, and seconds, and units of declination are degrees, arcminutes, and arcseconds. Errors are in seconds and in arcseconds, respectively.
Variable radio source according to Lang et al. (2005).
Spectral classification by Clark et al. (2018).
Spectral classification as listed in Table3 of Dong et al. (2011).
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