Roel Lefever, M.Sc.

7.

12/2024
Deshmukh, K.; Sana, H. et al. (inc. Sander, A. A. C.; Lefever, R. R.)
Investigating 39 Galactic Wolf-Rayet stars with VLTI/GRAVITY: Uncovering a long-period binary desert
A&A 692, A109(2024)

6.

10/2024
Shenar, T.; Bodensteiner, J. et al. (inc. Schösser, E. C.; Schneider, F. R. N.; Sander, A. A. C.; Ramachandran, V.; Lefever, R. R.; Josiek, J.; González-Torà, G.; Bronner, V. A.; Bernini-Peron, M.)
Binarity at LOw Metallicity (BLOeM): A spectroscopic VLT monitoring survey of massive stars in the SMC
A&A 690, A289(2024)

5.

9/2024
Sander, A. A. C.; Bouret, J. -C. et al. (inc. Schösser, E. C.; Lefever, R. R.; Larkin, C. J. K.; Ramachandran, V.; Bernini-Peron, M.)
X-Shooting ULLYSES: Massive stars at low metallicity: IV. Spectral analysis methods and exemplary results for O stars
A&A 689, A30(2024)

4.

8/2024
Hawcroft, C.; Sana, H. et al. (inc. Sander, A. A. C.; Lefever, R.)
X-Shooting ULLYSES: Massive stars at low metallicity. III. Terminal wind speeds of ULLYSES massive stars
A&A 688, A105(2024)

3.

7/2023
Vink, Jorick S.; Mehner, A. et al. (inc. Ramachandran, V.; Lefever, R. R.; Larkin, C. J. K.; Bernini-Peron, M.; Sander, A. A. C.)
X-Shooting ULLYSES: Massive stars at low metallicity. I. Project description
A&A 675, A154(2023)

2.

5/2023
Lefever, R. R.; Sander, A. A. C. et al.
Exploring the influence of different velocity fields on Wolf-Rayet star spectra
MNRAS 521, 1374(2023)

1.

2/2023
Sander, A. A. C.; Lefever, R. R. et al. (inc. Ramachandran, V.; Poniatowski, L. G.)
The temperature dependency of Wolf-Rayet-type mass loss. An exploratory study for winds launched by the hot iron bump
A&A 670, A83(2023)