For best experience please turn on javascript and use a modern browser!
You are using a browser that is no longer supported by Microsoft. Please upgrade your browser. The site may not present itself correctly if you continue browsing.

Dr. S.A. (Sarah) Brands MSc

Faculty of Science
Anton Pannekoek Institute for Astronomy
Visiting address
  • Science Park 904
Postal address
  • Postbus 94249
    1090 GE Amsterdam
Contact details
  • Publications

    2025

    • Bestenlehner, J. M., Crowther, P. A., Hawcroft, C., Sana, H., Tramper, F., Vink, J. S., Brands, S. A., & Sander, A. A. C. (2025). X-Shooting ULLYSES: Massive stars at low metallicity: XI. Pipeline-determined physical properties of Magellanic Cloud OB stars. Astronomy and Astrophysics, 695, Article A198. https://doi.org/10.1051/0004-6361/202452491
    • Brands, S. A., Backs, F., de Koter, A., Puls, J., Crowther, P. A., Sana, H., Tramper, F., Kaper, L., Sundqvist, J. O., Bestenlehner, J. M., Driessen, F. A., Erba, C., Hawcroft, C., Herrero, A., John Hillier, D., Ignace, R., Lefever, R. R., Dylan Kee, N., Kubátová, B., ... XShootU Collaboration (2025). X-Shooting ULLYSES: Massive stars at low metallicity XII: Clumped winds of O-type (super)giants in the Large Magellanic Cloud. Astronomy and Astrophysics, 697, Article A54. https://doi.org/10.1051/0004-6361/202452784 [details]
      • Related datasets
        • Brands, S. (18-3-2025). Reproduction package for "X-Shooting ULLYSES: massive stars at low metallicity - XII. The clumped winds of O-type (super)giants in the Large Magellanic Cloud". Zenodo. https://doi.org/10.5281/zenodo.15044512
        • Brands, S. (12-3-2025). Reproduction package for "X-Shooting ULLYSES: massive stars at low metallicity - XII. The clumped winds of O-type (super)giants in the Large Magellanic Cloud". Zenodo. https://doi.org/10.5281/zenodo.15013514
    • Furey, C., Telford, O. G., De Koter, A., Backs, F., Brands, S. A., Vink, J. S., Kaper, L., Gomez-Mantecon, J., Tramper, F., & Garcia, M. (2025). The wind properties of O-type stars at sub-SMC metallicity. Astronomy and Astrophysics, 698, Article A9. https://doi.org/10.1051/0004-6361/202453128
    • Keszthelyi, Z., Brands, S. A., De Koter, A., Langer, N., & Puls, J. (2025). Evolutionary models for the very massive stars in the R136 cluster of 30 Doradus in the Large Magellanic Cloud. Astronomy and Astrophysics, 700, Article A186. https://doi.org/10.1051/0004-6361/202554758

    2024

    • Backs, F., Brands, S. A., Ramírez-Tannus, M. C., Derkink, A. R., de Koter, A., Poorta, J., Puls, J., & Kaper, L. (2024). Properties of intermediate- to high-mass stars in the young cluster M17: Characterizing the (pre-)zero-age main sequence. Astronomy & Astrophysics, 690, Article A113. https://doi.org/10.1051/0004-6361/202450494 [details]
    • Backs, F., Brands, S. A., de Koter, A., Kaper, L., Vink, J. S., Puls, J., Sundqvist, J., Tramper, F., Sana, H., Bernini-Peron, M., Bestenlehner, J. M., Crowther, P. A., Hawcroft, C., Ignace, R., Kuiper, R., Van Loon, J. T., Mahy, L., Marcolino, W., Najarro, F., ... Verhamme, O. (2024). X-Shooting ULLYSES : Massive stars at low metallicity: VI. Atmosphere and mass-loss properties of O-type giants in the Small Magellanic Cloud. Astronomy and Astrophysics, 692, Article A88. https://doi.org/10.1051/0004-6361/202451893 [details]
    • Bernini-Peron, M., Sander, A. A. C., Ramachandran, V., Oskinova, L. M., Vink, J. S., Verhamme, O., Najarro, F., Josiek, J., Brands, S. A., Crowther, P. A., Gómez-González, V. M. A., Gormaz-Matamala, A. C., Hawcroft, C., Kuiper, R., Mahy, L., Marcolino, W. L. F., Martins, L. P., Mehner, A., Parsons, T. N., ... XShootU Collaboration (2024). X-Shooting ULLYSES : Massive stars at low metallicity. VII: Stellar and wind properties of B supergiants in the Small Magellanic Cloud. Astronomy and Astrophysics, 692, Article A89. https://doi.org/10.1051/0004-6361/202450475 [details]
    • Hawcroft, C., Mahy, L., Sana, H., Sundqvist, J. O., Abdul-Masih, M., Brands, S. A., Decin, L., de Koter, A., & Puls, J. (2024). Empirical mass-loss rates and clumping properties of O-type stars in the Large Magellanic Cloud. Astronomy & Astrophysics, 690, Article A126. https://doi.org/10.1051/0004-6361/202348478 [details]
    • Hawcroft, C., Sana, H., Mahy, L., Sundqvist, J. O., de Koter, A., Crowther, P. A., Bestenlehner, J. M., Brands, S. A., David-Uraz, A., Decin, L., Erba, C., Garcia, M., Hamann, W.-R., Herrero, A., Ignace, R., Kee, N. D., Kubátová, B., Lefever, R., Moffat, A., ... Vink, J. S. (2024). X-Shooting ULLYSES : Massive stars at low metallicity: III. Terminal wind speeds of ULLYSES massive stars. Astronomy & Astrophysics, 688, Article A105. https://doi.org/10.1051/0004-6361/202245588 [details]
    • Kaper, L., Stoop, M., Brands, S., & De Koter, A. (2024). Resolved massive-star populations in the Local Group and beyond. In EAS2024 (pp. 1280)
    • Martins, F., Bouret, J.-C., Hillier, D. J., Brands, S., Crowther, P. A., Herrero, A., Najarro, F., Pauli, D., Puls, J., Ramachandran, V., Sander, A. A. C., Vink, J. S., & XShootU Collaboration (2024). X-Shooting ULLYSES: Massive stars at low metallicity: V. Effect of metallicity on surface abundances of O stars. Astronomy & Astrophysics, 689, Article A31. https://doi.org/10.1051/0004-6361/202449457 [details]
    • Pelló, R., Kaper, L., Brands, S., & MOSAIC Consortium (2024). MOSAIC at the ELT: a unique instrument for the largest ground-based telescope. In J. J. Bryant, K. Motohara, & J. R. Vernet (Eds.), Ground-based and Airborne Instrumentation for Astronomy X: 16–21 June 2024, Yokohama, Japan (Vol. 1). Article 13096 15 (Proceedings of SPIE; Vol. 13096). SPIE. https://doi.org/10.1117/12.3019047 [details]
    • Sana, H., Tramper, F., Abdul-Masih, M., Blomme, R., Dsilva, K., Maravelias, G., Martins, L., Mehner, A., Wofford, A., Banyard, G., Barbosa, C. L., Bestenlehner, J., Hawcroft, C., Hillier, D. J., Todt, H., Larkin, C. J. K., Mahy, L., Najarro, F., Ramachandran, V., ... XSHOOT-U Collaboration (2024). X-Shooting ULLYSES : Massive stars at low metallicity: II. DR1: Advanced optical data products for the Magellanic Clouds. Astronomy & Astrophysics, 688, Article A104. https://doi.org/10.1051/0004-6361/202347479 [details]
    • Sander, A. A. C., Bouret, J. C., Bernini-Peron, M., Puls, J., Backs, F., Berlanas, S. R., Bestenlehner, J. M., Brands, S., Herrero, A., Martins, F., Maryeva, O., Pauli, D., Ramachandran, V., Crowther, P. A., Gómez-González, V. M. A., Gormaz-Matamala, A. C., Hamann, W. R., Hillier, D. J., Kuiper, R., ... Vink, J. S. (2024). X-Shooting ULLYSES: Massive stars at low metallicity: IV. Spectral analysis methods and exemplary results for O stars. Astronomy & Astrophysics, 689, Article A34. https://doi.org/10.1051/0004-6361/202449829 [details]
    • Stoop, M., de Koter, A., Kaper, L., Brands, S., Portegies Zwart, S., Sana, H., Stoppa, F., Gieles, M., Mahy, L., Shenar, T., Guo, D., Nelemans, G., & Rieder, S. (2024). Two waves of massive stars running away from the young cluster R136. Nature, 634(8035), 809-812. https://doi.org/10.1038/s41586-024-08013-8 [details]
    • Verhamme, O., Sundqvist, J., de Koter, A., Sana, H., Backs, F., Brands, S. A., Najarro, F., Puls, J., Vink, J. S., Crowther, P. A., Kubátová, B., Sander, A. A. C., Bernini-Peron, M., Kuiper, R., Prinja, R. K., Schillemans, P., Shenar, T., van Loon, J. T., & XShootU Collaboration (2024). X-Shooting ULLYSES : Massive Stars at low metallicity: IX. Empirical constraints on mass-loss rates and clumping parameters for OB supergiants in the Large Magellanic Cloud. Astronomy and Astrophysics, 692, Article A91. https://doi.org/10.1051/0004-6361/202451169 [details]

    2023

    • Brands, S. A., de Koter, A., Bestenlehner, J. M., Crowther, P. A., Kaper, L., Caballero-Nieves, S. M., & Gräfener, G. (2023). Extinction towards the cluster R136 in the Large Magellanic Cloud: An extinction law from the near-infrared to the ultraviolet. Astronomy & Astrophysics, 673, Article A132. https://doi.org/10.1051/0004-6361/202245536 [details]
    • Vink, J. S., Sana, H., van Loon, J. T., Götberg, Y., Backs, F., Brands, S. A., Geen, S., Kaper, L., Keszthelyi, Z., de Koter, A., Laplace, E., de Mink, S. E., Ramirez-Tannus, M. C., Shenar, T., Sudnik, N., Tramper, F., & XShootU (2023). X-Shooting ULLYSES: Massive stars at low metallicity: I. Project description. Astronomy & Astrophysics, 675, Article A154. https://doi.org/10.1051/0004-6361/202245650 [details]
      • Related datasets
        • Sana, H., Ramírez-Tannus, M., Tramper, F., Shenar, T., Backs, F., Brands, S. A. & de Koter, A. (1-6-2024). X-Shooting ULLYSES: Massive Stars at low metallicity - II. DR1: Advanced optical data products for the Magellanic Clouds. Zenodo. https://doi.org/10.5281/zenodo.12179409
        • Sana, H., Ramírez-Tannus, M., Tramper, F., Shenar, T., Backs, F., Brands, S. A. & de Koter, A. (1-6-2024). X-Shooting ULLYSES: Massive Stars at low metallicity - II. DR1: Advanced optical data products for the Magellanic Clouds. Zenodo. https://doi.org/10.5281/zenodo.12743023

    2022

    • Brands, S. A., de Koter, A., Bestenlehner, J. M., Crowther, P. A., Sundqvist, J. O., Puls, J., Caballero-Nieves, S. M., Abdul-Masih, M., Driessen, F. A., García, M. G., Geen, S., Gräfener, G., Hawcroft, C., Kaper, L., Keszthelyi, Z., Langer, N., Sana, H., Schneider, F. R. N., Shenar, T., & Vink, J. S. (2022). The R136 star cluster dissected with Hubble Space Telescope/STIS. III: The most massive stars and their clumped winds. Astronomy & Astrophysics, 663, Article A36. https://doi.org/10.1051/0004-6361/202142742 [details]
      • Related datasets
        • Brands, S. A., De Koter, A., Bestenlehner, J. M., Crowther, P. A., Sundqvist, J. O., Puls, J., Caballero-Nieves, S. M., Abdul-Masih, M., Driessen, F. A., García, M., Geen, S., Gräfener, G., Hawcroft, C., Kaper, L., Keszthelyi, Z., Langer, N., Sana, H., Schneider, F. R. N., Shenar, T. & Vink, J. S. (2022). The R136 star cluster dissected with Hubble Space Telescope/STIS. III. The most massive stars and their clumped winds. Zenodo. https://doi.org/10.5281/zenodo.6353513
    • Keszthelyi, Z., de Koter, A., Götberg, Y., Meynet, G., Brands, S. A., Petit, V., Carrington, M., David-Uraz, A., Geen, S. T., Georgy, C., Hirschi, R., Puls, J., Ramalatswa, K. J., Shultz, M. E., & ud-Doula, A. (2022). The effects of surface fossil magnetic fields on massive star evolution: IV: Grids of models at Solar, LMC, and SMC metallicities. Monthly Notices of the Royal Astronomical Society, 517(2), 2028-2055. https://doi.org/10.1093/mnras/stac2598 [details]

    2021

    • Abdul-Masih, M., Sana, H., Hawcroft, C., Almeida, L. A., Brands, S. A., de Mink, S. E., Justham, S., Langer, N., Mahy, L., Marchant, P., Menon, A., Puls, J., & Sundqvist, J. (2021). Constraining the overcontact phase in massive binary evolution. I: Mixing in V382 Cyg, VFTS 352, and OGLE SMC-SC10 108086. Astronomy & Astrophysics, 651, Article A96. https://doi.org/10.1051/0004-6361/202040195 [details]
    • Hawcroft, C., Sana, H., Mahy, L., Sundqvist, J. O., Abdul-Masih, M., Bouret, J. C., Brands, S. A., de Koter, A., Driessen, F. A., & Puls, J. (2021). Empirical mass-loss rates and clumping properties of Galactic early-type O supergiants. Astronomy & Astrophysics, 655, Article A67. https://doi.org/10.1051/0004-6361/202140603 [details]
    • Keszthelyi, Z., de Koter, A., Götberg, Y., Meynet, G., Brands, S. A., Petit, V., Carrington, M., David-Uraz, A., Geen, S. T., Georgy, C., Hirschi, R., Puls, J., Ramalatswa, K. J., Shultz, M. E., & ud-Doula, A. (2021). Spin-down and reduced mass loss in early-type stars with large-scale magnetic fields. Proceedings of the International Astronomical Union, 17(S370), 257-262. https://doi.org/10.1017/S1743921322004227 [details]

    2020

    • Bestenlehner, J. M., Crowther, P. A., Caballero-Nieves, S., Schneider, F. R. N., Simón-Díaz, S., Brands, S. A., de Koter, A., Gräfener, G., Herrero, A., Langer, N., Lennon, D. J., Maíz Apellániz, J., Puls, J., & Vink, J. S. (2020). The R136 star cluster dissected with Hubble Space Telescope/STIS: II. Physical properties of the most massive stars in R136. Monthly Notices of the Royal Astronomical Society, 499(2), 1918-1936. https://doi.org/10.1093/mnras/staa2801 [details]

    2016

    2014

    Talk / presentation

    • Brands, S. (speaker) (25-9-2019). De kosmische afstandsladder, Unesco dagen.
    • Brands, S. (speaker) (14-3-2019). De kosmische afstandsladder, High school Sancta Maria theme week .

    2023

    • Brands, S. A. (2023). Clumped outflows of massive stars in the Large Magellanic Cloud. [Thesis, fully internal, Universiteit van Amsterdam]. [details]

    2025

    • Brands, S. (18-3-2025). Reproduction package for "X-Shooting ULLYSES: massive stars at low metallicity - XII. The clumped winds of O-type (super)giants in the Large Magellanic Cloud". Zenodo. https://doi.org/10.5281/zenodo.15044512
    • Brands, S. (12-3-2025). Reproduction package for "X-Shooting ULLYSES: massive stars at low metallicity - XII. The clumped winds of O-type (super)giants in the Large Magellanic Cloud". Zenodo. https://doi.org/10.5281/zenodo.15013514

    2024

    • Sana, H., Ramírez-Tannus, M., Tramper, F., Shenar, T., Backs, F., Brands, S. A. & de Koter, A. (1-6-2024). X-Shooting ULLYSES: Massive Stars at low metallicity - II. DR1: Advanced optical data products for the Magellanic Clouds. Zenodo. https://doi.org/10.5281/zenodo.12743023
    • Sana, H., Ramírez-Tannus, M., Tramper, F., Shenar, T., Backs, F., Brands, S. A. & de Koter, A. (1-6-2024). X-Shooting ULLYSES: Massive Stars at low metallicity - II. DR1: Advanced optical data products for the Magellanic Clouds. Zenodo. https://doi.org/10.5281/zenodo.12179409

    2022

    • Brands, S. A., De Koter, A., Bestenlehner, J. M., Crowther, P. A., Sundqvist, J. O., Puls, J., Caballero-Nieves, S. M., Abdul-Masih, M., Driessen, F. A., García, M., Geen, S., Gräfener, G., Hawcroft, C., Kaper, L., Keszthelyi, Z., Langer, N., Sana, H., Schneider, F. R. N., Shenar, T. & Vink, J. S. (2022). The R136 star cluster dissected with Hubble Space Telescope/STIS. III. The most massive stars and their clumped winds. Zenodo. https://doi.org/10.5281/zenodo.6353513
    This list of publications is extracted from the UvA-Current Research Information System. Questions? Ask the library or the Pure staff of your faculty / institute. Log in to Pure to edit your publications. Log in to Personal Page Publication Selection tool to manage the visibility of your publications on this list.
  • Ancillary activities
    No ancillary activities
edit contact information   edit profile page