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Autor:
Wang, H., Cañameras, R., Caminha, G. B., Suyu, S. H., Yıldırım, A., Chirivì, G., Christensen, L., Grillo, C., Schuldt, S.
Publikováno v:
Wang, H, Canameras, R, Caminha, G B, Suyu, S H, Yildirim, A, Chirivi, G, Christensen, L, Grillo, C & Schuldt, S 2022, ' Constraining the multi-scale dark-matter distribution in CASSOWARY 31 with strong gravitational lensing and stellar dynamics ', Astronomy & Astrophysics, vol. 668, A162 . https://doi.org/10.1051/0004-6361/202243600
We study the inner structure of the group-scale lens CASSOWARY 31 (CSWA 31) by adopting both strong lensing and dynamical modeling. CSWA 31 is a peculiar lens system. The brightest group galaxy (BGG) is an ultra-massive elliptical galaxy at z = 0.683