Showing 2021 · astro-ph.GAShow all

57 papers · 2 filters

astro-ph.GA2021★ 2 cited

The Massive and Distant Clusters of WISE Survey XI: Stellar Mass Fractions and Luminosity Functions of MaDCoWS Clusters at

Bandon Decker, Mark Brodwin, Ripon Saha +14

We present stellar mass fractions and composite luminosity functions (LFs) for a sample of \Ncl\ clusters from the Massive and Distant Clusters of WISE Survey (MaDCoWS) at a redshi…

astro-ph.GA2021★ 18 cited

Non-ideal MHD simulations of subcritical prestellar cores with non-equilibrium chemistry

Aris Tritsis, Christoph Federrath, Karen Willacy +1

Non-ideal magnetohydrodynamic (MHD) effects are thought to be gravity's closest ally in overcoming the support of magnetic fields and in forming stars. Here, we modify the publicly…

astro-ph.GA2021★ 21 cited

Probing Population III Initial Mass Functions with He II/H Intensity Mapping

Jasmine Parsons, Lluis Mas-Ribas, Guochao Sun +3

We demonstrate the potential of line-intensity mapping to place constraints on the initial mass function (IMF) of Population III stars via measurements of the mean He II 1640A/H…

astro-ph.GA2021★ 1 cited

A SPHERE survey of self-shadowed planet-forming disks

A. Garufi, C. Dominik, C. Ginski +20

To date, nearly two hundred planet-forming disks have been imaged with high resolution. Our propensity to study bright and extended objects is however biasing our view of the disk…

astro-ph.GA2021★ 36 cited

BASS XXIX: The near-infrared view of the BLR: the effects of obscuration in BLR characterisation

Ricci F., Treister E., Bauer F. E. +24

Virial black hole mass () determination directly involves knowing the broad line region (BLR) clouds velocity distribution, their distance from the central supermassive bla…

astro-ph.GA2021★ 32 cited

The Close AGN Reference Survey (CARS): No obvious signature of AGN feedback on star formation, but subtle trends

I. Smirnova-Pinchukova, B. Husemann, T. A. Davis +17

[Abridged] Active Galactic Nuclei (AGN) are thought to be responsible for the suppression of star formation in massive ~10 M galaxies. While this process is a key fe…

astro-ph.GA2021★ 2 cited

The Nature and Likely Redshift of GLEAM J0917-0012

Guillaume Drouart, Nick Seymour, Jess W. Broderick +10

We previously reported a putative detection of a radio galaxy at z=10.15, selected from the GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey. The redshif…

astro-ph.GA2021

X-Ray Evidence Against the Hypothesis that the Hyper-Luminous z=6.3 Quasar J0100+2802 is Lensed

Thomas Connor, Daniel Stern, Eduardo Bañados +1

The quasar SDSS J010013.02+280225.8 (hereafter J0100+2802) is believed to be powered by a black hole more massive than , making it the most massiv…

astro-ph.GA2021

ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -- V. Hierarchical fragmentation and gas dynamics in IRDC G034.43+00.24

Hong-Li Liu, Anandmayee Tej, Tie Liu +35

We present new 3-mm continuum and molecular lines observations from the ATOMS survey towards the massive protostellar clump, MM1, located in the filamentary infrared dark cloud (IR…

astro-ph.GA2021★ 19 cited

COMAP Early Science: VI. A First Look at the COMAP Galactic Plane Survey

Thomas J. Rennie, Stuart E. Harper, Clive Dickinson +29

We present early results from the COMAP Galactic Plane Survey conducted between June 2019 and April 2021, spanning in Galactic longitude and $|b|<1.\!\!^{\…

astro-ph.GA2021★ 16 cited

The "Maggie" filament: Physical properties of a giant atomic cloud

J. Syed, J. D. Soler, H. Beuther +19

The atomic phase of the interstellar medium plays a key role in the formation process of molecular clouds. Due to the line-of-sight confusion in the Galactic plane that is associat…

astro-ph.GA2021★ 14 cited

Probing Hot Gas Components of Circumgalactic Medium in Cosmological Simulations with the Thermal Sunyaev-Zel'dovich Effect

Junhan Kim, Sunil Golwala, James G. Bartlett +8

The thermal Sunyaev-Zel'dovich (tSZ) effect is a powerful tool with the potential for constraining directly the properties of the hot gas that dominates dark matter halos because i…

astro-ph.GA2021★ 80 cited

Euclid preparation: XVIII. Cosmic Dawn Survey. Spitzer observations of the Euclid deep fields and calibration fields

Andrea Moneti, H. J. McCracken, M. Shuntov +194

We present a new infrared survey covering the three Euclid deep fields and four other Euclid calibration fields using Spitzer's Infrared Array Camera (IRAC). We have combined these…

astro-ph.GA2021★ 485 cited

COSMOS2020: A panchromatic view of the Universe to from two complementary catalogs

J. R. Weaver, O. B. Kauffmann, O. Ilbert +54

The Cosmic Evolution Survey (COSMOS) has become a cornerstone of extragalactic astronomy. Since the last public catalog in 2015, a wealth of new imaging and spectroscopic data has…

astro-ph.GA2021★ 14 cited

HI-H transition: exploring the role of the magnetic field

R. Skalidis, K. Tassis, G. V. Panopoulou +6

Atomic gas in the diffuse interstellar medium (ISM) is organized in filamentary structures. These structures usually host cold and dense molecular clumps. The Galactic magnetic fie…

astro-ph.GA2021★ 6 cited

Gaia GraL: Gaia DR2 Gravitational Lens Systems. VII. XMM-Newton Observations of Lensed Quasars

Thomas Connor, Daniel Stern, Alberto Krone-Martins +23

We present XMM-Newton X-ray observations of nine confirmed lensed quasars at identified by the Gaia Gravitational Lens program. Eight systems are strongly…

astro-ph.GA2021★ 23 cited

The JCMT BISTRO Survey: An 850/450m Polarization Study of NGC 2071IR in OrionB

A-Ran Lyo, Jongsoo Kim, Sarah Sadavoy +143

We present the results of simultaneous 450 m and 850 m polarization observations toward the massive star forming region NGC 2071IR, a target of the BISTRO (B-fields in Star-F…

astro-ph.GA2021★ 7 cited

DIISC-I: The Discovery of Kinematically Anomalous HI Clouds in M 100

Hansung B. Gim, Sanchayeeta Borthakur, Emmanuel Momjian +10

We report the discovery of two kinematically anomalous atomic hydrogen (HI) clouds in M 100 (NGC 4321), which was observed as part of the Deciphering the Interplay between the Inte…

astro-ph.GA2021

The Galaxy Evolution Probe

Jason Glenn, Charles M. Bradford, Erik Rosolowsky +21

The Galaxy Evolution Probe (GEP) is a concept for a mid- and far-infrared space observatory to measure key properties of large samples of galaxies with large and unbiased surveys.…

astro-ph.GA2021★ 25 cited

Are massive dense clumps truly sub-virial? A new analysis using Gould Belt ammonia data

Ayushi Singh, Christopher D. Matzner, Rachel K. Friesen +21

Dynamical studies of dense structures within molecular clouds often conclude that the most massive clumps contain too little kinetic energy for virial equilibrium, unless they are…

astro-ph.GA2021

The Impact of Powerful Jets on the Far-infrared Emission of an Extreme Radio Quasar at z~6

Sofía Rojas-Ruiz, Eduardo Bañados, Marcel Neeleman +9

The interactions between radio jets and the interstellar medium play a defining role for the co-evolution of central supermassive black holes and their host galaxies, but observati…

astro-ph.GA2021★ 86 cited

A hard X-ray view of Luminous and Ultra-luminous Infrared Galaxies in GOALS: I - AGN obscuration along the merger sequence

C. Ricci, G. C. Privon, R. W. Pfeifle +25

The merger of two or more galaxies can enhance the inflow of material from galactic scales into the close environments of Active Galactic Nuclei (AGN), obscuring and feeding the su…

astro-ph.GA2021★ 5 cited

Chemical compositions in the vicinity of protostars in Ophiuchus

Kotomi Taniguchi, Liton Majumdar, Adele Plunkett +6

We have analyzed Atacama Large Millimeter/submillimeter Array (ALMA) Cycle 4 Band 6 data toward two young stellar objects (YSOs), Oph-emb5 and Oph-emb9, in the Ophiuchus star-formi…

astro-ph.GA2021★ 7 cited

Planck Galactic Cold Clumps at High Galactic Latitude-A Study with CO Lines

Fengwei Xu, Yuefang Wu, Tie Liu +28

Gas at high Galactic latitude is a relatively little-noticed component of the interstellar medium. In an effort to address this, forty-one Planck Galactic Cold Clumps at high Galac…