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27 papers · 2 filters
HST/WFC3 grism observations of clusters: The cluster vs. field stellar mass-size relation and evidence for size growth of quiescent galaxies from minor mergers
Jasleen Matharu, Adam Muzzin, Gabriel B. Brammer +13
Minor mergers are thought to be responsible for the size growth of quiescent field galaxies with decreasing redshift. We test this hypothesis using the cluster environment as a lab…
1D Kinematics from stars and ionized gas at from the LEGA-C spectroscopic survey of massive galaxies
Rachel Bezanson, Arjen van der Wel, Caroline Straatman +14
We present a comparison of the observed, spatially integrated stellar and ionized gas velocity dispersions of massive () galaxies…
The Sloan Digital Sky Survey Reverberation Mapping Project: Systematic Investigations of Short-Timescale CIV Broad Absorption Line Variability
Z. S. Hemler, C. J. Grier, W. N. Brandt +10
We systematically investigate short-timescale (10-day rest-frame) CIV broad absorption-line (BAL) variability to constrain quasar-wind properties and provide insights into BAL-v…
Complete IRAC mapping of the CFHTLS-DEEP, MUSYC AND NMBS-II FIELDS
Marianna Annunziatella, Danilo Marchesini, Mauro Stefanon +19
The IRAC mapping of the NMBS-II fields program is an imaging survey at 3.6 and 4.5m with the Spitzer Infrared Array Camera (IRAC). The observations cover three Canada-France-Haw…
Galaxy mergers up to z<2.5 I : The star formation properties of merging galaxies at separations 3-15 kpc
Andrea Silva, Danilo Marchesini, John D. Silverman +7
We present a study of the influence of galaxy mergers on star formation at 0.3<z<2.5. Major mergers are selected from the CANDELS/3D-HST catalog using a peak-finding algorithm. Mer…
Fast and slow paths to quiescence: ages and sizes of 400 quiescent galaxies from the LEGA-C survey
Po-Feng Wu, Arjen van der Wel, Rachel Bezanson +11
We analyze stellar age indicators (D4000 and EW(H)) and sizes of 467 quiescent galaxies with at drawn from DR2 of the LEGA-C survey.…
X-ray and multi-epoch optical/UV investigations of BAL to non-BAL quasar transformations
Sameer, W. N. Brandt, S. Anderson +10
We report on an X-ray and optical/UV study of eight Broad Absorption Line (BAL) to non-BAL transforming quasars at 1.7-2.2 over 0.29-4.95 rest-frame years with at lea…
The Sloan Digital Sky Survey Reverberation Mapping Project: Sample Characterization
Yue Shen, Patrick B. Hall, Keith Horne +24
We present a detailed characterization of the 849 broad-line quasars from the Sloan Digital Sky Survey Reverberation Mapping (SDSS-RM) project. Our quasar sample covers a redshift…
The Large Early Galaxy Astrophysics Census (LEGA-C) Data Release II: dynamical and stellar population properties of z ~< 1 galaxies in the COSMOS field
Caroline M. S. Straatman, Arjen van der Wel, Rachel Bezanson +18
We present the second data release of the Large Early Galaxy Astrophysics Census (LEGA-C), an ESO 130-night public spectroscopic survey conducted with VIMOS on the Very Large Teles…
MIRIS Paα Galactic Plane Survey. I. Comparison with IPHAS Hα in l = 96°-116°
Il-Joong Kim, Jeonghyun Pyo, Woong-Seob Jeong +11
The Multipurpose InfraRed Imaging System (MIRIS) performed the MIRIS Paα Galactic Plane Survey (MIPAPS), which covers the entire Galactic plane within the latitude range of -3° < b…
Resolving CO (2-1) in z~1.6 Gas-Rich Cluster Galaxies with ALMA: Rotating Molecular Gas Disks with Possible Signatures of Gas Stripping
A. G. Noble, A. Muzzin, M. McDonald +10
We present the first spatially-resolved observations of molecular gas in a sample of cluster galaxies beyond z>0.1. Using ALMA, we detect CO (2-1) in 8 z~1.6 cluster galaxies, all…
COSMOS-DASH: The Evolution of the Galaxy Size-Mass Relation Since z~3 from new Wide Field WFC3 Imaging Combined with CANDELS/3DHST
Lamiya Mowla, Pieter van Dokkum, Gabriel Brammer +11
We present COSMOS-Drift And SHift (DASH), a Hubble Space Telescope WFC3 imaging survey of the COSMOS field in the H_160 filter. The survey comprises 456 individual WFC3 pointings c…
HST F160W Imaging of Very Massive Galaxies at : Diversity of Structures and the Effect of Close Pairs on Number Density Estimates
Z. Cemile Marsan, Danilo Marchesini, Adam Muzzin +10
We present a targeted follow-up Hubble Space Telescope WFC3 F160W imaging study of very massive galaxies selected from a combination of grou…
Connecting the X-ray properties of weak-line and typical quasars: testing for a geometrically thick accretion disk
Qingling Ni, W. N. Brandt, B. Luo +8
We present X-ray and multiwavelength analyses of 32 weak emission-line quasars (WLQs) selected in a consistent and unbiased manner. New 3.1-4.8 ks observations were obtai…
Emergence and Variability of Broad Absorption Line Quasar Outflows
Jesse A. Rogerson, Patrick B. Hall, Nabeel S. Ahmed +3
We isolate a set of quasars that exhibit emergent C iv broad absorption lines (BALs) in their spectra by comparing spectra in the SDSS Data Release 7 and the SDSS/BOSS Data Release…
The stellar mass function of galaxies in Planck-selected clusters at 0.5 < z < 0.7: new constraints on the timescale and location of satellite quenching
Remco F. J. van der Burg, Sean McGee, Herve Aussel +4
We study the abundance of star-forming and quiescent galaxies in a sample of 21 massive clusters at 0.5<z<0.7, detected with the Planck satellite. We measure the cluster galaxy ste…
The Sloan Digital Sky Survey Reverberation Mapping Project: Quasar Host Galaxies at from Image Decomposition
Minghao Yue, Linhua Jiang, Yue Shen +7
We present the rest-frame UV and optical photometry and morphology of low-redshift broad-line quasar host galaxies from the Sloan Digital Sky Survey Reverberation Mapping project.…
Comparison of the extraplanar H and UV emissions in the halos of nearby edge-on spiral galaxies
Young-Soo Jo, Kwang-il Seon, Jong-Ho Shinn +3
We compare vertical profiles of the extraplanar H emission to those of the UV emission for 38 nearby edge-on late-type galaxies. It is found that detection of the "diffuse" extr…
The Sloan Digital Sky Survey Reverberation Mapping Project: Accretion-Disk Sizes from Continuum Lags
Y. Homayouni, Jonathan R. Trump, C. J. Grier +12
We present accretion-disk structure measurements from continuum lags in the Sloan Digital Sky Survey Reverberation Mapping (SDSS-RM) project. Lags are measured using the \texttt{JA…
SFHs OF Galaxies in LEGA-C
Priscilla Chauke, Arjen van der Wel, Camilla Pacifici +17
Using high resolution spectra from the VLT LEGA-C program, we reconstruct the star formation histories (SFHs) of 607 galaxies at redshifts and stellar masses $\gtrsim…
Molecular Gas Contents and Scaling Relations for Massive Passive Galaxies at Intermediate Redshifts from the LEGA-C Survey
Justin Spilker, Rachel Bezanson, Ivana Barisic +13
A decade of study has established that the molecular gas properties of star-forming galaxies follow coherent scaling relations out to z~3, suggesting remarkable regularity of the i…
Spatially Resolved Stellar Kinematics from LEGA-C: Increased Rotational Support in z~0.8 Quiescent Galaxies
Rachel Bezanson, Arjen van der Wel, Camilla Pacifici +18
We present stellar rotation curves and velocity dispersion profiles for 104 quiescent galaxies at from the Large Early Galaxy Astrophysics Census (LEGA-C) spectroscopic s…
The Evolution of Environmental Quenching Timescales to
R. Foltz, G. Wilson, A. Muzzin +18
Using a sample of 4 galaxy clusters at and 10 galaxy clusters at , we measure the environmental quenching timescale, , corresponding to the…
Stellar Populations of over one thousand Galaxies from LEGA-C: Ages and Star Formation Histories from D4000 and H
Po-Feng Wu, Arjen van der Wel, Anna Gallazzi +18
Drawing from the LEGA-C dataset, we present the spectroscopic view of the stellar population across a large volume- and mass-selected sample of galaxies at large lookback time. We…