Free Access

Table 3

Parameters of the target stars determined from spectroscopic analysis.

Star ST Teff T R log() v f X(H) He/H X(C) X(N)
[kK] [kK] [R] [km s-1] [× 10-5] [× 10-3]

Galaxy

WR 7 WN4 60.0 80.8 5.40 2.57 –4.80 1600 0.1 <0.01 >10 14.7   ±   5.0 11.0   ±   5.0
WR 10 WN5h 53.5 55.2 5.45 5.79 –5.40/–5.45 1400 0.1 0.33   ±   0.11 0.50   ±   0.20 7.9   ±   3.0 14.0   ±   5.0
WR 18 WN4 56.0 74.1 5.30 2.73 –4.60 2200 0.3 <0.01 >10 17.7   ±   5.0 10.3   ±   4.0
WR 128 WN4(h) 57.0 59.9 5.50 5.43 –5.30 1800 0.1 0.26   ±   0.07 0.70   ±   0.20 6.2   ±   1.6 11.0   ±   3.0

LMC

Bat 18 WN3h 60.0 72.8 5.50 3.54 –5.02 1800 0.3 0.25   ±   0.10 0.80   ±   0.20 5.7   ±   2.0 6.6   ±   2.1
Bat 63 WN4ha 58.5 68.9 5.45 3.73 –5.45 2000 0.1 0.40   ±   0.20 0.35   ±   0.15 20.0   ±   15.0 2.3   ±   1.6

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.