publication . Doctoral thesis . Other literature type . 2014

The properties of low-metallicity massive stars

Tramper, F.;
Open Access English
  • Published: 28 Nov 2014
  • Country: Netherlands
Abstract
My thesis has two main topics: the study of low-metallicity massive stars, and the study of the suspected final stage of massive stars from a certain initial mass range, the WO stars. All the data that has been used in this thesis has been obtained with the X-Shooter spectrograph on ESO's Very Large Telescope.<br> As the formation of massive stars was favored in the metal-free early universe, the properties and evolution of low-metallicity massive stars gives insight in the influence of these stars in the young universe. I have quantitatively analyzed six O-type stars in the low-metallicity dwarf galaxies IC1613, WLM and NGC3109. These stars appear to have surpr...
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arXiv: Astrophysics::Galaxy AstrophysicsAstrophysics::Solar and Stellar AstrophysicsAstrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Earth and Planetary Astrophysics
free text keywords: Massive stars, Wolf-Rayet stars
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Doctoral thesis . 2014
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Zenodo
Other literature type . 2014
Provider: Datacite

B WO star modeling 111 B.1 Flux correction WO-LMC-2 . . . . . . . . . . . . . . . . . . . . . 111 B.2 Best-fit models . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 B.3 Overview of used model atoms . . . . . . . . . . . . . . . . . . . . 119 B.4 Equivalent width measurements . . . . . . . . . . . . . . . . . . . 120 B.5 Helium-burning models . . . . . . . . . . . . . . . . . . . . . . . . 120

1. Ellerbroek, L. E., Benisty, M., Kraus, S., Perraut, K., Kluska, J., le Bouquin, J. B., Borges Fernandes, M., Domiciano de Souza, A., Maaskant, K. M., Kaper, L., Tramper, F., Mourard, D., Tallon-Bosc, I., ten Brummelaar, T., Sitko, M. L., Lynch, D. K., Russell, R. W., A&A, in press A resolved, au-scale gas disk around the B[e] star HD 50138

2. Ellerbroek, L.E., Bik, A., Kaper, L., Maaskant, K.M., Paalvast, M., Tramper, F., Sana, H., Water, L.F.B.M., Balog, Z., 2013, A&A, 558, 102 RCW36: characterizing the outcome of massive star formation [OpenAIRE]

3. Sana, H., van Boeckel, T., Tramper, F., Ellerbroek, L.E., de Koter, A., Kaper, L., Mo at, A.F.J., Schnurr, O., Schneider, F.R.N., Gies, D.R., 2013, MNRAS, 432, L26 R144 revealed as a double-lined spectroscopic binary

1. Ramírez-Agudelo, O. H., Sana, H.; de Koter, A., Simón-Díaz, S., de Mink, S. E., Tramper, F., Dufton, P. L., Evans, C. J., Gräfener, G., Herrero, A., Langer, N., Lennon, D. J., Maíz Apellániz, J., Markova, N., Najarro, F., Puls, J., Taylor, W. D., Vink, J. S., IAUS 307, New windows on massive stars: asteroseismology, interferometry, and spectropolarimetry, arXiv: 1409.1822 Rotational velocities of single and binary O-type stars in the Tarantula Nebula

2. Tramper, F., Straal, S. M., Gräfener, G., Kaper, L., de Koter, A., Langer, N., Sana, H., Vink, J. S., IAUS 307, New windows on massive stars: asteroseismology, interferometry, and spectropolarimetry, arXiv:1407.5897 The properties of single WO stars

4. Vink, J.S., Heger, A., Krumholz, M.R., Puls, J., Banerjee, S., Castro, N., Chen, K.-J., Chene, A.-N., Crowther, P.A., Daminelli, A., Gräfener, G., Groh, J. H., Hamann, W.-R., Heap, S., Herrero, A., Kaper, L., Najarro, F., Oskinova, L.M., Roman-Lopes, A., Rosen, A., Sander, A., Shirazi, M., Sugawara, Y., Tramper, F., Vanbeveren, D., Voss, R., Wo ord, A., Zhang, Y., 2013, IAU General Assembly Joint Discussion 2, arXiv:1302.2021 Very massive stars (VMS) in the local universe

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