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4 papers · 2 filters
Dissecting the 3D structure of elliptical galaxies with gravitational lensing and stellar kinematics
Matteo Barnabè, Chiara Spiniello, Léon V. E. Koopmans
The combination of strong gravitational lensing and stellar kinematics provides a powerful and robust method to investigate the mass and dynamical structure of early-type galaxies.…
Do magnetic fields influence gas rotation in galaxies?
Detlef Elstner, Rainer Beck, Oliver Gressel
We aim to estimate the contribution of the radial component of the Lorentz force to the gas rotation in several types of galaxies. Using typical parameters for the exponential scal…
NGC 7538 : Multiwavelength Study of Stellar Cluster Regions associated with IRS 1-3 and IRS 9 sources
K. K. Mallick, D. K. Ojha, M. Tamura +7
We present deep and high-resolution (FWHM ~ 0.4 arcsec) near-infrared (NIR) imaging observations of the NGC 7538 IRS 1-3 region (in JHK bands), and IRS 9 region (in HK bands) using…
Testing the universality of the IMF with Bayesian statistics: young clusters
Sami Dib
The universality of the stellar initial mass function (IMF) is tested using Bayesian statistics with a sample of eight young Galactic stellar clusters (IC 348, ONC, NGC 2024, NGC 6…