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Table 1
Physical properties of WR 136 and NGC 6888.
| Object | Parameter | Value | Reference | |
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|
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| WR 136 | (α,δ) (J2000) | (20:12:06.55, +38:21:17.8) | van der Hucht (2001) | |
| Spectral type | WN6 | van der Hucht (2001) | ||
| M⋆ (M⊙) | 15 | Hamann et al. (2006) | ||
| Distance (kpc ) | 1.26 | van der Hucht (2001) | ||
| RG (kpc ) | 10 | Esteban et al. (1992) | ||
| Mv (mag) | –4.69 | Hamann et al. (2006) | ||
| Eb − v (mag) | 0.45 | Hamann et al. (2006) | ||
| NGC 6888 | Angular size (arcmin2) | 12 × 18 | Chu et al. (1983) | |
| Vexp (km s-1) | 55 − 110 | Lozinskaya (1970) | ||
| Mionized (M⊙) | 5 | Wendker et al. (1975) | ||
| Mneutral (M⊙) | 40 | Marston & Meaburn (1988) | ||
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