272 citations · 1.2k across the 23 of their papers we have counts for
23 papers
TDCOSMO XXIV. First spatially resolved kinematics of the lens galaxy obtained using JWST-NIRSpec to improve time-delay cosmography
Anowar J. Shajib, Tommaso Treu, Sherry H. Suyu +15
Spatially resolved stellar kinematics has become a key ingredient in time-delay cosmography to break the mass-sheet degeneracy in the mass profile and in turn provide a precise con…
ALMA gas-dynamical mass measurement of the supermassive black hole in the red nugget relic galaxy PGC 11179
Jonathan H. Cohn, Maeve Curliss, Jonelle L. Walsh +10
We present 0-resolution Atacama Large Millimeter/submillimeter Array (ALMA) observations of CO(21) emission from the circumnuclear gas disk in the red nu…
Constraining the multi-scale dark-matter distribution in CASSOWARY 31 with strong gravitational lensing and stellar dynamics
H. Wang, R. Cañameras, G. B. Caminha +6
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…
TDCOSMO VIII: Cosmological distance measurements in light of the mass-sheet degeneracy -- forecasts from strong lensing and IFU stellar kinematics
A. Yıldırım, S. H. Suyu, G. C. -F. Chen +1
Time-delay strong lensing (TDSL) is a powerful probe of the current expansion rate of the Universe. However, in light of the discrepancies between early and late-time cosmological…
An ALMA Gas-dynamical Mass Measurement of the Supermassive Black Hole in the Local Compact Galaxy UGC 2698
Jonathan H. Cohn, Jonelle L. Walsh, Benjamin D. Boizelle +9
We present 0\farcs{14}-resolution Atacama Large Millimeter/submillimeter Array (ALMA) CO(21) observations of the circumnuclear gas disk in UGC 2698, a local compact galaxy. The…
TDCOSMO VI: Distance Measurements in Time-delay Cosmography under the Mass-sheet transformation
Geoff C. -F. Chen, Christopher D. Fassnacht, Sherry H. Suyu +3
Time-delay cosmography with gravitationally lensed quasars plays an important role in anchoring the absolute distance scale and hence measuring the Hubble constant, , indepe…
GLaD: Gravitational Lensing and Dynamics, combined analysis to unveil properties of high-redshift galaxies
G. Chirivì, A. Yıldırım, S. H. Suyu +1
Dynamical modelling of Integral-Field-Unit (IFU) stellar kinematics is a powerful tool to unveil the dynamical structure and mass build-up of galaxies in the local Universe, while…
HOLISMOKES -- I. Highly Optimised Lensing Investigations of Supernovae, Microlensing Objects, and Kinematics of Ellipticals and Spirals
S. H. Suyu, S. Huber, R. Cañameras +10
We present the HOLISMOKES programme on strong gravitational lensing of supernovae as a probe of supernova (SN) physics and cosmology. We investigate the effects of microlensing on…
Star formation quenching imprinted on the internal structure of naked red nuggets
Ignacio Martín-Navarro, Glenn van de Ven, Akın Yıldırım
The formation and assembly process of massive galaxies is a combination of two phases: an initial in-situ-dominated one followed by an ex-situ-dominated evolution. Separating these…
Time-delay cosmographic forecasts with strong lensing and JWST stellar kinematics
Akın Yıldırım, Sherry H. Suyu, Aleksi Halkola
We present a joint strong lensing and stellar dynamical framework for future time-delay cosmography purposes. Based on a pixelated source reconstruction and the axisymmetric Jeans…
The inner dark matter distribution of the Cosmic Horseshoe (J1148+1930) with gravitational lensing and dynamics
S. Schuldt, G. Chirivì, S. H. Suyu +4
We present a detailed analysis of the inner mass structure of the Cosmic Horseshoe (J1148+1930) strong gravitational lens system observed with the Hubble Space Telescope (HST) Wide…
Timing the formation and assembly of early-type galaxies via spatially resolved stellar populations analysis
Ignacio Martin-Navarro, Alexandre Vazdekis, Jesus Falcon-Barroso +3
To investigate star formation and assembly processes of massive galaxies, we present here a spatially-resolved stellar populations analysis of a sample of 45 elliptical galaxies (E…
Orbital decomposition of CALIFA spiral galaxies
Ling Zhu, Remco van den Bosch, Glenn van de Ven +9
Schwarzschild orbit-based dynamical models are widely used to uncover the internal dynamics of early-type galaxies and globular clusters. Here we present for the first time the Sch…
Integral-field kinematics and stellar populations of early-type galaxies out to three half-light radii
Nicholas F. Boardman, Anne-Marie Weijmans, Remco van den Bosch +10
We observed twelve nearby HI -detected early-type galaxies (ETGs) of stellar mass with the Mitchell Integral-Field Spectrograp…
The structural and dynamical properties of compact elliptical galaxies
Akın Yıldırım, Remco C. E. van den Bosch, Glenn van de Ven +5
Dedicated photometric and spectroscopic surveys have provided unambiguous evidence for a strong stellar mass-size evolution of galaxies within the last 10 Gyr. The likely progenito…
A Black Hole Mass Determination for the Compact Galaxy Mrk 1216
Jonelle L. Walsh, Remco C. E. van den Bosch, Karl Gebhardt +4
Mrk 1216 is a nearby, early-type galaxy with a small effective radius of 2.8 kpc and a large stellar velocity dispersion of 308 km/s for its K-band luminosity of 1.4x10^11 L_sun. U…
The low dark matter content of the lenticular galaxy NGC 3998
N. F. Boardman, A. Weijmans, R. C. E. van den Bosch +8
We observed the lenticular galaxy NGC 3998 with the Mitchell Integral-Field Spectrograph and extracted line-of-sight velocity distributions out to 3 half-light radii. We constructe…
CALIFA, the Calar Alto Legacy Integral Field Area survey: IV. Third Public data release
S. F. Sánchez, R. García-Benito, S. Zibetti +60
This paper describes the Third Public Data Release (DR3) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. Science-grade quality data for 667 galaxies are made public,…
A 5x10^9 Solar Mass Black Hole in NGC 1277 from Adaptive Optics Spectroscopy
Jonelle L. Walsh, Remco C. E. van den Bosch, Karl Gebhardt +4
The nearby lenticular galaxy NGC 1277 is thought to host one of the largest black holes known, however the black hole mass measurement is based on low spatial resolution spectrosco…
The massive dark halo of the compact, early-type galaxy NGC 1281
Akın Yıldırım, Remco van den Bosch, Glenn van de Ven +7
We investigate the compact, early-type galaxy NGC 1281 with integral field unit observations to map the stellar LOSVD out to 5 effective radii and construct orbit-based dynamical m…
MRK 1216 & NGC 1277 - An orbit-based dynamical analysis of compact, high velocity dispersion galaxies
Akın Yıldırım, Remco van den Bosch, Glenn van de Ven +5
We present a dynamical analysis to infer the structural parameters and properties of the two nearby, compact, high velocity dispersion galaxies MRK1216 & NGC1277. Combining deep HS…
The Black Hole in the Compact, High-dispersion Galaxy NGC 1271
Jonelle L. Walsh, Remco C. E. van den Bosch, Karl Gebhardt +4
Located in the Perseus cluster, NGC 1271 is an early-type galaxy with a small effective radius of 2.2 kpc and a large stellar velocity dispersion of 276 km/s for its K-band luminos…
Hunting for Supermassive Black Holes in Nearby Galaxies with the Hobby-Eberly Telescope
Remco van den Bosch, Karl Gebhardt, Kayhan Gültekin +2
We have conducted an optical long-slit spectroscopic survey of 1022 galaxies using the 10m Hobby-Eberly Telescope (HET) at McDonald Observatory. The main goal of the HET Massive Ga…