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A new method for age-dating the formation of bars in disc galaxies: The TIMER view on NGC1433's old bar and the inside-out growth of its nuclear disc
Camila de Sá-Freitas, Francesca Fragkoudi, Dimitri A. Gadotti +16
The epoch in which galactic discs settle is a major benchmark to test models of galaxy formation and evolution but is as yet largely unknown. Once discs settle and become self-grav…
Orbit-Superposition Dynamical Modeling of Barred Galaxies
Behzad Tahmasebzadeh, Ling Zhu, Juntai Shen +2
Barred structures are important in understanding galaxy evolution, but they were not included explicitly in most dynamical models for nearby galaxies due to their complicated morph…
Uncertainty-Aware Blob Detection with an Application to Integrated-Light Stellar Population Recoveries
Fabian Parzer, Prashin Jethwa, Alina Boecker +3
Context. Blob detection is a common problem in astronomy. One example is in stellar population modelling, where the distribution of stellar ages and metallicities in a galaxy is in…
On the accretion of a new group of galaxies onto Virgo: II. The effect of pre-processing on the stellar population content of dEs
Bahar Bidaran, Francesco La Barbera, Anna Pasquali +7
Using MUSE spectra, we investigate how pre-processing and accretion onto a galaxy cluster affect the integrated stellar population properties of dwarf early-type galaxies (dEs). We…
A projected Nesterov-Kaczmarz approach to stellar population-kinematic distribution reconstruction in Extragalactic Archaeology
Fabian Hinterer, Simon Hubmer, Prashin Jethwa +3
In this paper, we consider the problem of reconstructing a galaxy's stellar population-kinematic distribution function from optical integral field unit measurements. These quantiti…
The Fornax3D project: The assembly history of massive early-type galaxies in the Fornax cluster from deep imaging and integral field spectroscopy
M. Spavone, E. Iodice, G. D'Ago +16
This work is based on high quality integral-field spectroscopic data obtained with the Multi Unit Spectroscopic Explorer (MUSE) on the Very Large Telescope (VLT). The 21 brightest…
The Fornax3D project: Intrinsic Correlations between Orbital Properties and the Stellar Initial Mass Function
A. Poci, R. M. McDermid, M. Lyubenova +12
[arXiv Abridged] In this work, we explore new spatially-resolved measurements of the IMF for three edge-on lenticular galaxies in the Fornax cluster. Specifically, we utilise exist…
On the robustness of triaxial Schwarzschild modelling: The effects of correcting the orbit mirroring
Sabine Thater, Prashin Jethwa, Behzad Tahmasebzadeh +13
In the past 15 years, the triaxial Schwarzschild orbit-superposition code by van den Bosch et al. (2008) has been widely applied to study the dynamics of galaxies. Recently, Quenne…
The Fornax3D project: discovery of ancient massive merger events in the Fornax cluster galaxies NGC 1380 and NGC 1427
Ling Zhu, Glenn van de Ven, Ryan Leaman +16
We report the discovery of ancient massive merger events in the early-type galaxies NGC 1380 and NGC 1427, members of the Fornax galaxy cluster. Both galaxies have been observed by…
Gas inflows in the polar ring of NGC 4111: the birth of an AGN
Gabriel R. Hauschild-Roier, Thaisa Storchi-Bergmann, Richard M. McDermid +14
We have used Hubble Space Telescope (HST) images, SAURON Integral Field Spectroscopy (IFS) and adaptative optics assisted Gemini NIFS near-infrared K-band IFS to map the stellar an…