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Stellar Kinematics and Structural Properties of Virgo Cluster Dwarf Early-Type Galaxies from the SMAKCED Project III. Rotation versus Pressure Support
E. Toloba, P. Guhathakurta, A. Boselli +17
We analyze the stellar kinematics of 39 dwarf early-type galaxies (dEs) in the Virgo cluster. Based on the specific stellar angular momentum lambda_e and the ellipticity, we find 1…
Stellar Kinematics and Structural Properties of Virgo Cluster Dwarf Early-Type Galaxies from the SMAKCED Project II. The Survey and a Systematic Analysis of Kinematic Anomalies and Asymmetries
E. Toloba, P. Guhathakurta, R. Peletier +15
We present spatially resolved kinematics and global stellar populations and mass-to-light ratios for a sample of 39 dwarf early-type (dE) galaxies in the Virgo cluster studied as p…
The Spitzer Survey of Stellar Structure in Galaxies (SG): Precise Stellar Mass Distributions from Automated Dust Correction at 3.6 microns
M. Querejeta, S. E. Meidt, E. Schinnerer +26
The mid-infrared is an optimal window to trace stellar mass in nearby galaxies and the 3.6 IRAC band has been exploited to this effect, but such mass estimates can be biased by…
Imprints of galaxy evolution on H ii regions Memory of the past uncovered by the CALIFA survey
S. F. Sanchez, E. Perez, F. F. Rosales-Ortega +27
H ii regions in galaxies are the sites of star formation and thus particular places to understand the build-up of stellar mass in the universe. The line ratios of this ionized gas…
CALIFA, the Calar Alto Legacy Integral Field Area survey. III. Second public data release
R. García-Benito, S. Zibetti, S. F. Sánchez +68
This paper describes the Second Public Data Release (DR2) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. The data for 200 objects are made public, including the 100…
Angular Momentum across the Hubble sequence from the CALIFA survey
Jesús Falcón-Barroso, Mariya Lyubenova, Glenn van de Ven +1
We investigate the stellar angular momentum of galaxies across the Hubble sequence from the CALIFA survey. The distribution of CALIFA elliptical and lenticular galaxies in the $λ_{…
Nearby supernova host galaxies from the CALIFA Survey: I. Sample, data analysis, and correlation to star-forming regions
L. Galbany, V. Stanishev, A. M. Mourão +25
[Abridged] We use optical IFS of nearby SN host galaxies provided by the CALIFA Survey with the goal of finding correlations in the environmental parameters at the location of diff…
Ionized gas kinematics of galaxies in the CALIFA survey I: Velocity fields, kinematic parameters of the dominant component, and presence of kinematically distinct gaseous systems
B. Garcia-Lorenzo, I. Marquez, J. K. Barrera-Ballesteros +29
This work provides an overall characterization of the kinematic behavior of the ionized gas of the galaxies included in the Calar Alto Legacy Integral field Area (CALIFA), offering…
Being WISE I: Validating Stellar Population Models and M/L ratios at 3.4 and 4.6 microns
Mark A. Norris, Sharon Meidt, Glenn Van de Ven +3
Using data from the WISE mission, we have measured near infra-red (NIR) photometry of a diverse sample of dust-free stellar systems (globular clusters, dwarf and giant early-type g…
CALIFA: a diameter-selected sample for an integral field spectroscopy galaxy survey
C. J. Walcher, L. Wisotzki, S. Bekeraité +48
We describe and discuss the selection procedure and statistical properties of the galaxy sample used by the Calar Alto Legacy Integral Field Area Survey (CALIFA), a public legacy s…
Insights on the stellar mass-metallicity relation from the CALIFA survey
R. M. González Delgado, R. Cid Fernandes, R. García-Benito +27
We use spatially and temporally resolved maps of stellar population properties of 300 galaxies from the CALIFA integral field survey to investigate how the stellar metallicity (Z*)…
The tilt of the velocity ellipsoid in the Milky Way disk
Alex Büdenbender, Glenn van de Ven, Laura L. Watkins
Accurate determination of the local dark matter density is important for understanding the nature and distribution of dark matter in the universe. This requires that the local velo…
Stellar Population gradients in galaxy discs from the CALIFA survey
P. Sanchez-Blazquez, F. Rosales-Ortega, J. Mendez-Abreu +27
While studies of gas-phase metallicity gradients in disc galaxies are common, very little has been done in the acquisition of stellar abundance gradients in the same regions. We pr…
A study of rotating globular clusters - the case of the old, metal-poor globular cluster NGC 4372
N. Kacharov, P. Bianchini, A. Koch +7
Aims: We present the first in-depth study of the kinematic properties and derive the structural parameters of NGC 4372 based on the fit of a Plummer profile and a rotating, physica…
The Mice at play in the CALIFA survey: A case study of a gas-rich major merger between first passage and coalescence
Vivienne Wild, Fabian Rosales-Ortega, Jesus Falcon-Barroso +43
We present optical integral field spectroscopy (IFS) observations of the Mice, a major merger between two massive (>10^11Msol) gas-rich spirals NGC4676A and B, observed between fir…
Kinematic alignment of non-interacting CALIFA galaxies: Quantifying the impact of bars on stellar and ionised gas velocity field orientations
J. K. Barrera-Ballesteros, J. Falcón-Barroso, B. García-Lorenzo +20
We present 80 stellar and ionised gas velocity maps from the Calar Alto Legacy Integral Field Area (CALIFA) survey in order to characterize the kinematic orientation of non-interac…
Dwarf Galaxy Dark Matter Density Profiles Inferred from Stellar and Gas Kinematics
Joshua J. Adams, Joshua D. Simon, Maximilian H. Fabricius +9
We present new constraints on the density profiles of dark matter (DM) halos in seven nearby dwarf galaxies from measurements of their integrated stellar light and gas kinematics.…
Circumnuclear Molecular Gas in Megamaser Disk Galaxies NGC 4388 and NGC 1194
Jenny E. Greene, Anil Seth, Mariya Lyubenova +3
We explore the warm molecular and ionized gas in the centers of two megamaser disk galaxies using K-band spectroscopy. Our ultimate goal is to determine how gas is funneled onto th…
Reconstructing the stellar mass distributions of galaxies using S4G IRAC 3.6 and 4.5 micron images: II. The conversion from light to mass
Sharon E. Meidt, Eva Schinnerer, Glenn van de Ven +26
We present a new approach for estimating the 3.6 micron stellar mass-to-light ratio in terms of the [3.6]-[4.5] colors of old stellar populations. Our approach avoids several of th…
The remnant of a merger between two dwarf galaxies in Andromeda II
N. C. Amorisco, N. W. Evans, G. van de Ven
Driven by gravity, massive structures like galaxies and clusters of galaxies are believed to grow continuously through hierarchical merging and accretion of smaller systems. Observ…
Stellar Kinematics and Structural Properties of Virgo Cluster Dwarf Early-Type Galaxies from the SMAKCED Project. I. Kinematically Decoupled Cores and Implications for Infallen Groups in Clusters
E. Toloba, P. Guhathakurta, G. van de Ven +12
We present evidence for kinematically decoupled cores (KDCs) in two dwarf early-type (dE) galaxies in the Virgo cluster, VCC 1183 and VCC 1453, studied as part of the SMAKCED stell…