The MAGPI survey: evidence against the bulge–halo conspiracy
(2024)
Journal Article
Derkenne, C., McDermid, R. M., Santucci, G., Poci, A., Thater, S., Bellstedt, S., Mendel, J. T., Foster, C., Harborne, K. E., Lagos, C. D. P., Wisnioski, E., Croom, S., Remus, R.-. S., Valenzuela, L. M., van de Sande, J., Sweet, S. M., & Ziegler, B. (2024). The MAGPI survey: evidence against the bulge–halo conspiracy. Monthly Notices of the Royal Astronomical Society, 533(2), 1300-1320. https://doi.org/10.1093/mnras/stae1836
Outputs (11)
The distribution of stellar orbits in eagle galaxies – the effect of mergers, gas accretion, and secular evolution (2024)
Journal Article
Santucci, G., Lagos, C. D. P., Harborne, K. E., Ludlow, A., Proctor, K. L., Foster, C., …Walo Martín, D. (2024). The distribution of stellar orbits in eagle galaxies – the effect of mergers, gas accretion, and secular evolution. Monthly Notices of the Royal Astronomical Society, 528(2), 2326-2345. https://doi.org/10.1093/mnras/stae113The merger history of a galaxy is thought to be one of the major factors determining its internal dynamics, with galaxies having undergone different types or mergers (e.g. dry, minor, or major mergers) predicted to show different dynamical properties... Read More about The distribution of stellar orbits in eagle galaxies – the effect of mergers, gas accretion, and secular evolution.
Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys (2023)
Journal Article
D’Eugenio, F., van der Wel, A., Derkenne, C., van Houdt, J., Bezanson, R., Taylor, E. N., …Zibetti, S. (2023). Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys. Monthly Notices of the Royal Astronomical Society, 525(2), 2765-2788. https://doi.org/10.1093/mnras/stac3536We present the first statistical study of spatially integrated non-Gaussian stellar kinematics spanning 7 Gyr in cosmic time. We use deep, rest-frame optical spectroscopy of massive galaxies (stellar mass
) at redshifts z = 0.05, 0.3, and 0.8 from... Read More about Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys.
Evolution in the orbital structure of quiescent galaxies from MAGPI, LEGA-C, and SAMI surveys: direct evidence for merger-driven growth over the last 7 Gyr (2023)
Journal Article
D’Eugenio, F., van der Wel, A., Piotrowska, J. M., Bezanson, R., Taylor, E. N., van de Sande, J., …Zibetti, S. (2023). Evolution in the orbital structure of quiescent galaxies from MAGPI, LEGA-C, and SAMI surveys: direct evidence for merger-driven growth over the last 7 Gyr. Monthly Notices of the Royal Astronomical Society, 525(2), 2789–2805. https://doi.org/10.1093/mnras/stad800We present the first study of spatially integrated higher-order stellar kinematics over cosmic time. We use deep rest-frame optical spectroscopy of quiescent galaxies at redshifts z = 0.05, 0.3, and 0.8 from the SAMI, MAGPI, and LEGA-C surveys to mea... Read More about Evolution in the orbital structure of quiescent galaxies from MAGPI, LEGA-C, and SAMI surveys: direct evidence for merger-driven growth over the last 7 Gyr.
The MAGPI Survey: impact of environment on the total internal mass distribution of galaxies in the last 5 Gyr (2023)
Journal Article
Derkenne, C., McDermid, R. M., Poci, A., Mendel, J. T., D’Eugenio, F., Jeon, S., …Yi, S. K. (2023). The MAGPI Survey: impact of environment on the total internal mass distribution of galaxies in the last 5 Gyr. Monthly Notices of the Royal Astronomical Society, 522(3), 3602–3626. https://doi.org/10.1093/mnras/stad1079We investigate the impact of environment on the internal mass distribution of galaxies using the Middle Ages Galaxy Properties with Integral field spectroscopy (MAGPI) survey. We use 2D resolved stellar kinematics to construct Jeans dynamical models... Read More about The MAGPI Survey: impact of environment on the total internal mass distribution of galaxies in the last 5 Gyr.
Testing the robustness of DYNAMITE triaxial Schwarzschild modelling: The effects of correcting the orbit mirroring (2022)
Journal Article
Thater, S., Jethwa, P., Tahmasebzadeh, B., Zhu, L., den Brok, M., Santucci, G., Ding, Y., Poci, A., Lilley, E., Tim de Zeeuw, P., Zocchi, A., Maindl, T. I., Rigamonti, F., Yang, M., Fahrion, K., & van de Ven, G. (2022). Testing the robustness of DYNAMITE triaxial Schwarzschild modelling: The effects of correcting the orbit mirroring. Astronomy & Astrophysics, 667, Article A51. https://doi.org/10.1051/0004-6361/202243926In the past 15 yr, the triaxial Schwarzschild orbit-superposition code developed by van den Bosch and van de Ven in Leiden has been widely applied to study the dynamics of galaxies. Recently, a bug was reported in the orbit calculation of this code,... Read More about Testing the robustness of DYNAMITE triaxial Schwarzschild modelling: The effects of correcting the orbit mirroring.
Fornax3D project: Assembly history of massive early-type galaxies in the Fornax cluster from deep imaging and integral field spectroscopy (2022)
Journal Article
Spavone, M., Iodice, E., D’Ago, G., van de Ven, G., Morelli, L., Corsini, E., Sarzi, M., Coccato, L., Fahrion, K., Falcón-Barroso, J., Gadotti, D., Lyubenova, M., Martín-Navarro, I., McDermid, R., Pinna, F., Pizzella, A., Poci, A., de Zeeuw, P., & Zhu, L. (2022). Fornax3D project: Assembly history of massive early-type galaxies in the Fornax cluster from deep imaging and integral field spectroscopy. Astronomy & Astrophysics, 663, Article A135. https://doi.org/10.1051/0004-6361/202243290This 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 (mB ≤ 15 mag) early-type galaxies (ETGs) inside the virial radius of t... Read More about Fornax3D project: Assembly history of massive early-type galaxies in the Fornax cluster from deep imaging and integral field spectroscopy.
The Fornax3D project: intrinsic correlations between orbital properties and the stellar initial mass function (2022)
Journal Article
Poci, A., McDermid, R., Lyubenova, M., Martín-Navarro, I., van de Ven, G., Coccato, L., Corsini, E., Fahrion, K., Falcón-Barroso, J., Gadotti, D., Iodice, E., Pinna, F., Sarzi, M., de Zeeuw, P., & Zhu, L. (2022). The Fornax3D project: intrinsic correlations between orbital properties and the stellar initial mass function. Monthly Notices of the Royal Astronomical Society, 514(3), 3660-3669. https://doi.org/10.1093/mnras/stac1514Variations of the stellar initial mass function (IMF) in external galaxies have been inferred from a variety of independent probes. Yet the physical conditions causing these variations remain largely unknown. In this work, we explore new spatially re... Read More about The Fornax3D project: intrinsic correlations between orbital properties and the stellar initial mass function.
The SAMI Galaxy Survey: The Internal Orbital Structure and Mass Distribution of Passive Galaxies from Triaxial Orbit-superposition Schwarzschild Models (2022)
Journal Article
Santucci, G., Brough, S., van de Sande, J., McDermid, R. M., van de Ven, G., Zhu, L., D’Eugenio, F., Bland-Hawthorn, J., Barsanti, S., Bryant, J. J., M. Croom, S., Davies, R. L., Green, A. W., Lawrence, J. S., Lorente, N. P., Owers, M. S., Poci, A., Richards, S. N., Thater, S., & Yi, S. (2022). The SAMI Galaxy Survey: The Internal Orbital Structure and Mass Distribution of Passive Galaxies from Triaxial Orbit-superposition Schwarzschild Models. Astrophysical Journal, 930(2), Article 153. https://doi.org/10.3847/1538-4357/ac5bd5Dynamical models are crucial for uncovering the internal dynamics of galaxies; however, most of the results to date assume axisymmetry, which is not representative of a significant fraction of massive galaxies. Here, we build triaxial Schwarzschild o... Read More about The SAMI Galaxy Survey: The Internal Orbital Structure and Mass Distribution of Passive Galaxies from Triaxial Orbit-superposition Schwarzschild Models.
Comparing lensing and stellar orbital models of a nearby massive strong-lens galaxy (2022)
Journal Article
Poci, A., & Smith, R. J. (2022). Comparing lensing and stellar orbital models of a nearby massive strong-lens galaxy. Monthly Notices of the Royal Astronomical Society, 512(4), 5298-5310. https://doi.org/10.1093/mnras/stac776Exploiting the relative proximity of the nearby strong-lens galaxy SNL-1, we present a critical comparison of the mass estimates derived from independent modelling techniques. We fit triaxial orbit-superposition dynamical models to spatially resolved... Read More about Comparing lensing and stellar orbital models of a nearby massive strong-lens galaxy.