2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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29 papers · 2 filters
A low [CII]/[NII] ratio in the center of a massive galaxy at z=3.7: witnessing the transition to quiescence at high-redshift?
C. Schreiber, K. Glazebrook, C. Papovich +11
Understanding the process of quenching is one of the major open questions in galaxy evolution, and crucial insights may be obtained by studying quenched galaxies at high redshifts,…
Discovery of two Einstein crosses from massive post--blue nugget galaxies at z>1 in KiDS
N. R. Napolitano, R. Li, C. Spiniello +18
We report the discovery of two Einstein Crosses (ECs) in the footprint of the Kilo-Degree Survey (KiDS): KIDS J232940-340922 and KIDS J122456+005048. Using integral field spectrosc…
The Metallicity Dependence of the High-Mass X-ray Binary Luminosity Function
Bret D. Lehmer, Rafael T. Eufrasio, Antara Basu-Zych +7
We present detailed constraints on the metallicity dependence of the high mass X-ray binary (HMXB) X-ray luminosity function (XLF). We analyze ~5 Ms of Chandra data for 55 actively…
Metallicity and X-ray luminosity variations in NGC 922
Konstantinos Kouroumpatzakis, Andreas Zezas, Anna Wolter +3
We present a systematic study of the metallicity variations within the collisional ring galaxy NGC 922 based on long-slit optical spectroscopic observations. We find a metallicity…
Fast Outflows in Hot Dust-Obscured Galaxies with Keck/NIRES
Luke Finnerty, Kirsten Larson, B. T. Soifer +10
We present rest-frame optical spectroscopic observations of 24 Hot Dust-Obscured Galaxies (Hot DOGs) at redshifts 1.7-4.6 with KECK/NIRES. Our targets are selected based on their e…
Quantifying the structure of strong gravitational lens potentials with uncertainty-aware deep neural networks
Georgios Vernardos, Grigorios Tsagkatakis, Yannis Pantazis
Gravitational lensing is a powerful tool for constraining substructure in the mass distribution of galaxies, be it from the presence of dark matter sub-halos or due to physical mec…
High-accuracy estimation of magnetic field strength in the interstellar medium from dust polarization
Raphael Skalidis, Konstantinos Tassis
Dust polarization is a powerful tool for studying the magnetic field properties in the interstellar medium (ISM). However, it does not provide a direct measurement of its strength.…
Space Telescope and Optical Reverberation Mapping Project. XII. Broad-Line Region Modeling of NGC 5548
P. R. Williams, A. Pancoast, T. Treu +155
We present geometric and dynamical modeling of the broad line region for the multi-wavelength reverberation mapping campaign focused on NGC 5548 in 2014. The dataset includes photo…
The Evolution of the Baryons Associated with Galaxies Averaged over Cosmic Time and Space
Fabian Walter, Chris Carilli, Marcel Neeleman +30
We combine the recent determination of the evolution of the cosmic density of molecular gas (H_2) using deep, volumetric surveys, with previous estimates of the cosmic density of s…
The ALMA Spectroscopic Survey in the HUDF: CO Excitation and Atomic Carbon in Star-Forming Galaxies at
Leindert A. Boogaard, Paul van der Werf, Axel Weiß +15
We investigate the CO excitation and interstellar medium (ISM) conditions in a cold gas mass-selected sample of 22 star-forming galaxies at , observed as part of the A…
The ALMA Spectroscopic Survey in the HUDF: Constraining the Molecular Content at with CO stacking of MUSE detected Galaxies
Hanae Inami, Roberto Decarli, Fabian Walter +19
We report molecular gas mass estimates obtained from a stacking analysis of CO line emission in the ALMA Spectroscopic Survey (ASPECS) using the spectroscopic redshifts from the op…
The ALMA Spectroscopic Survey in the HUDF: Multi-band constraints on line luminosity functions and the cosmic density of molecular gas
Roberto Decarli, Manuel Aravena, Leindert Boogaard +20
We present a CO and atomic fine-structure line luminosity function analysis using the ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (ASPECS). ASPECS consists of two spat…
Multiwavelength power-spectrum analysis of NGC 5548
Christos Panagiotou, Iossif Papadakis, Elias Kammoun +1
NGC 5548 was recently monitored intensively from NIR to X-rays as part of the STORM campaign. Its disc emission was found to lag behind the observed X-rays, while the measured time…
A census of ultraluminous X-ray sources in the local Universe
Konstantinos Kovlakas, Andreas Zezas, Jeff J. Andrews +5
Using the Chandra Source Catalog 2.0 and a newly compiled catalogue of galaxies in the local Universe, we deliver a census of ultraluminous X-ray source (ULX) populations in nearby…
HAWC+ Far-Infrared Observations of the Magnetic Field Geometry in M51 and NGC 891
Terry Jay Jones, Jin-Ah Kim, C. Darren Dowell +29
SOFIA HAWC+ polarimetry at $154~\micron$ is reported for the face-on galaxy M51 and the edge-on galaxy NGC 891. For M51, the polarization vectors generally follow the spiral patter…
The Next Generation X-ray Galaxy Survey with eROSITA
Antara R. Basu-Zych, Ann E. Hornschemeier, Frank Haberl +6
eROSITA, launched on 13 July 2019, will be completing the first all-sky survey in the soft and medium X-ray band in nearly three decades. This 4-year survey, finishing in late 2023…
A Compton-thick nucleus in the dual AGN of Mrk 266
K. Iwasawa, C. Ricci, G. C. Privon +6
We present results of our analysis of NuSTAR data of the luminous infrared galaxy Mrk 266, which contains two nuclei, SW and NE, resolved in previous Chandra imaging. Combining wit…
Census and classification of low-surface-brightness structures in nearby early-type galaxies from the MATLAS survey
Michal Bílek, Pierre-Alain Duc, Jean-Charles Cuillandre +9
The morphology of galaxies gives essential constraints on the models of galaxy evolution. The morphology of the features in the low-surface-brightness regions of galaxies has not b…
A Comparison of the Stellar, CO and Dust-Continuum Emission from Three, Star-Forming HUDF Galaxies at
Melanie Kaasinen, Fabian Walter, Mladen Novak +17
We compare the extent of the dust, molecular gas and stars in three star-forming galaxies, at and , selected from the Hubble Ultra Deep Field based on their brig…
A dynamo amplifies the magnetic field of a Milky-Way-like galaxy
Evangelia Ntormousi, Konstantinos Tassis, Fabio Del Sordo +2
The magnetic fields of spiral galaxies are so strong that they cannot be primordial. Their typical values are over one billion times higher than any value predicted for the early U…
Cold Molecular Gas and Free-Free Emission from Hot, Dust-Obscured Galaxies at ~3
J. I. Penney, A. W. Blain, R. J. Assef +10
We report on observations of redshifted CO(1-0) line emission and observed-frame 30GHz radio continuum emission from five ultra-luminous, mid-IR selected hot, Dust-Obscur…
ALMA [N ıı] 205 μm Imaging Spectroscopy of the Lensed Submillimeter galaxy ID 141 at redshift 4.24
Cheng Cheng, Xiaoyue Cao, Nanyao Lu +17
We present the Atacama Large Millimeter/submillimeter Array (ALMA) observation of the Sub-millimeter galaxy (SMG) ID 141 at z=4.24 in the [N II] 205 m line (hereafter [N II]) an…
VLA-ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (VLASPECS): Total Cold Gas Masses and CO Line Ratios for z=2-3 "Main Sequence" Galaxies
Dominik A. Riechers, Leindert A. Boogaard, Roberto Decarli +15
Using the NSF's Karl G. Jansky Very Large Array (VLA), we report six detections of CO(J=1-0) emission and one upper limit in z=2-3 galaxies originally detected in higher-J CO emiss…
A Hard X-ray Test of HCN Enhancements as a Tracer of Embedded Black Hole Growth
G. C. Privon, C. Ricci, S. Aalto +18
Enhanced emission from the dense gas tracer HCN (relative to HCO) has been proposed as a signature of active galactic nuclei (AGN). In a previous single-dish millimeter line s…