Table 2
Dominant stellar emission-line sources within the MUSE observations of NGC 2070, with identifications from Breysacher et al. (1999, BAT99), Feast et al. (1960, R), Melnick (1985, Mk), Evans et al. (2011, VFTS), and the MUSE data.
| 99 | R | Mk | VFTS | MUSE | Spectral type | Ref. | FN III λ4640+C III λ4650 | FHe II λ4686 | FC IVλ5808 | FHα |
|---|---|---|---|---|---|---|---|---|---|---|
| [10−13] | [10−13] | [10−13] | [10−13] | |||||||
| 96 | – | 53 | 427 | 389 | WN8(h) | a | 2.0 ± 0.1 | 4.9 ± 0.1 | 0.17 ± 0.06 | 3.0 ± 0.1 |
| 97 | – | 51 | 457 | 603 | O3.5 If/WN7 | b | 0.43 ± 0.03 | 1.3 ± 0.1 | 0.07 ± 0.01 | 1.7 ± 0.1 |
| 98 | – | 49 | – | 1261 | WN6(h) | a | 2.2 ± 0.1 | 11.4 ± 0.1 | 0.55 ± 0.10 | 8.6 ± 0.1 |
| 99 | – | 39 | 482 | 2003 | O2.5 If/WN6 | b | 0.80 ± 0.09 | 2.1 ± 0.1 | 0.21 ± 0.02 | 2.3 ± 0.1 |
| 100 | 134 | – | 1001 | 1978 | WN6h | a | 6.3 ± 0.3 | 21.6 ± 0.2 | 0.83 ± 0.08 | 9.3 ± 0.1 |
| 101–102 | 140a | – | 507 | 3191 | WC5+WN6+O | a | 115 ± 2 | 19.1 ± 0.6 | 110 ± 1 | 10.2 ± 0.2 |
| 103 | 140b | – | 509 | 3174 | WN6 | a | 3.4 ± 0.2 | 20.9 ± 0.2 | – | 6.9 ± 0.3 |
| 104 | – | 37Wb | – | 1374 | O2 If/WN5 | b | 0.30 ± 0.06 | 1.6 ± 0.1 | 0.05 ± 0.02 | 1.1 ± 0.1 |
| – | – | 37Wa | – | 1349 | O4 If+ | d | 0.51 ± 0.05 | 1.2 ± 0.1 | – | 1.2 ± 0.1 |
| 105 | – | 42 | – | 2102 | O2 If | c | 0.54 ± 0.09 | 1.9 ± 0.1 | 0.09 ± 0.02 | 1.1 ± 0.1 |
| 106–110 | 136a | – | – | – | WN5h+O | a | – | 30.0 ± 0.1 | – | – |
| – | – | 37 | – | 1442 | O4 If+ | d | 0.70 ± 0.08 | 1.4 ± 0.1 | 0.21 ± 0.01 | 2.0 ± 0.1 |
| 111 | 136b | – | – | 1669 | O4 If/WN8 | e | 0.57 ± 0.10 | 4.0 ± 0.1 | 0.11 ± 0.03 | 3.1 ± 0.1 |
| 112 | 136c | – | – | 1737 | WN5h | a | 0.87 ± 0.30 | 6.6 ± 0.1 | 0.28 ± 0.04 | 3.8 ± 0.1 |
| 113 | – | 30 | 542 | 2999 | O2 If/WN5 | b | 0.39 ± 0.08 | 2.6 ± 0.1 | 0.13 ± 0.01 | 1.8 ± 0.1 |
| 114 | – | 35 | 545 | 1474 | O2 If/WN5 | b | – | 1.6 ± 0.1 | 0.17 ± 0.01 | 1.4 ± 0.1 |
| 115 | – | 33Sb | – | 2177 | WC5 | a | 13.6 ± 0.5 | 1.9: | 8.4 ± 0.1 | – |
| 116 | – | 34 | – | 1766 | WN5h | a | 0.51 ± 0.08 | 10.3 ± 0.1 | 0.45 ± 0.05 | 7.4 ± 0.1 |
Notes. Observed fluxes are given in cgs units (erg s−1 cm−2).
References. [a] Breysacher et al. (1999); [b] Crowther & Walborn (2011); [c] Walborn et al. (2002a); [d] Massey & Hunter (1998); [e] Crowther et al. (2016).
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