Projection effects in cluster mass estimates : the case of MS2137

Raphael Gavazzi (1, 2)

1 IAP - Institut d'Astrophysique de Paris
2 LATT - Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées

We revisit the mass properties of the lensing cluster of galaxies MS2137-23 and assess the mutual agreement between cluster mass estimates based on lensing, X-rays and stellar dynamics. We perform a thorough elliptical lens modelling using arcs in the range 20

Mots clés: Cosmology; Gravitationnal Lensing; Dark Matter; Galaxies: Clusters: General; MS2137; Galaxies: Elliptical and Lenticular; cD

Domaines: Cosmologie et astrophysique extra-galactique [astro-ph.CO]; Astrophysique [astro-ph]

Raphael Gavazzi. Projection effects in cluster mass estimates : the case of MS2137. 2005. ⟨hal-00004611v2⟩