Table 3
Physical parameters of the central stars of the PNe observed in the present program (excluding those whose spectra are outshone by an A-type companion).
| Name | Teff | Rs | log (L/L⊙) | d | log Ṁ | vw | vrota | | 3⟨Bz⟩ | |
|
Ref. | |
| [kK] | [R⊙] | [kpc] | [M⊙/yr] | [km s-1] | [km s-1] | [G] | [G] | [G] | Cols. (2)–(8) | ||
|
|
|||||||||||
| NGC 246 | 150 | 0.20 | 4.20 | 0.50 | −6.90 | 3500 | >77 | < 900 | 1500 | 2.3 × 105 | 5, 7, 9 |
| NGC 1360 | 97 | 0.30 | 3.64 | 0.93 | −10.60 | 1250 | ~10 | < 1350 | 23 | 1210 | 2, 3 |
| IC 418 | 39 | 1.59 | 3.72 | 1.20 | −7.50 | 700 | >56 | < 900 | 12 | 62 | 1, 8 |
| NGC 2392 | 45 | 1.34 | 3.82 | 1.28 | −8.10 | 300 | ~10 | < 1350 | 11 | 83 | 1 |
| LSS 1362 | 114 | 0.18 | 3.70 | 1.03 | −8.70 | 2400 | ~10 | < 2400 | 920 | 7.2 × 104 | 2, 3 |
| Hen 2-108 | 34 | 2.60 | 3.92 | 5.80 | −6.85 | 700 | ~10 | < 2100 | 85 | 320 | 4 |
| Hen 2-113 | 31 | 2.50 | 3.72 | 1.23 | −6.10 | 160 | ~10 | < 360 | 23 | 68 | 6 |
| Hen 2-131 | 32 | 3.50 | 4.07 | 3.30 | −6.88 | 400 | ~10 | < 450 | 26 | 85 | 4 |
Notes. The quantity | 3⟨Bz⟩ | is the upper limit of the surface magnetic field derived from our measurements and and is the minimum magnetic field strength at the stellar surface that would be required to shape the nebula according to Eqs. (4) and (5), respectively.
Reference. (1) Ruiz et al. (2013); (2) Traulsen at al. (2005); (3) Herald & Bianchi (2011); (4) Kudritzki et al. (2006); (5) Koesterke et al. (1998); (6) De Marco & Crowther (1998); (7) Bond & Ciardullo (1999); (8) Prinja et al. (2012); (9) Rauch et al. (2003).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.