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Table 1.
Parameters of WR 7 and NGC 2359.
| Parameter | Value |
|---|---|
| Spectral typea | WN4b |
| Distance (kpc)b | 4.8 ± 0.6 |
| μα (mas yr−1)b | −3.60 ± 0.02 |
| μδ (mas yr−1)b | 2.99 ± 0.02 |
| Vr (km s−1) | −54.4 ± 16.8 |
| Vt (km s−1) | 49.8 ± 6.6 |
| θ (°) | −19.9° ±1.3° |
| Ṁ (M⊙ yr−1)c | 4 × 10−5 |
| v∞ (km s−1)c | 1600 |
| Pkin (erg s−1) | 3.3 × 1037 |
| Bubble size (′) | 7.4 |
Notes.
(a)
(b)
Gaia DR3 data (Gaia Collaboration 2023).
The radial (Vr) and tangential velocity (Vt) are corrected for Galactic rotation and θ indicates the direction of the star’s proper motion (measured from north to east).
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