Showing 2018 · astro-ph.GAShow all

39 papers · 2 filters

astro-ph.GA2018★ 38 cited

SOFIA Far Infrared Imaging Polarimetry of M82 and NGC 253: Exploring the Super-Galactic Wind

Terry Jay Jones, C. Darren Dowell, Enrique Lopez Rodriguez +22

We present Far-Infrared polarimetry observations of M82 at 53 and and NGC 253 at , which were taken with HAWC+ in polarimetry mode on the Stratospheric Ob…

astro-ph.GA2018★ 24 cited

The ISM Properties and Gas Kinematics of a Redshift 3 Massive Dusty Star-forming Galaxy

T. K. Daisy Leung, Dominik A. Riechers, Andrew J. Baker +9

We present CO(J= 1-0; 3-2; 5-4; 10-9) and 1.2-kpc resolution [CII] line observations of the dusty star-forming galaxy (SFG) HXMM05 -- carried out with the Karl G. Jansky Very Large…

astro-ph.GA2018

The Arecibo Pisces-Perseus Supercluster Survey I: Harvesting ALFALFA

Aileen A. O'Donoghue, Martha P. Haynes, Rebecca A. Koopmann +9

We report a multi-objective campaign of targeted 21 cm HI line observations of sources selected from the Arecibo Legacy Fast ALFA (Arecibo L-band Feed Array) survey (ALFALFA) and g…

astro-ph.GA2018★ 161 cited

The NANOGrav 11-Year Data Set: Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries

K. Aggarwal, Z. Arzoumanian, P. T. Baker +60

Observations indicate that nearly all galaxies contain supermassive black holes (SMBHs) at their centers. When galaxies merge, their component black holes form SMBH binaries (SMBHB…

astro-ph.GA2018★ 50 cited

Low star formation efficiency in typical galaxies at z=5-6

Riccardo Pavesi, Dominik A. Riechers, Andreas L. Faisst +2

Using the VLA and ALMA, we have obtained CO(2-1), [C II], [N II] line emission and multiple dust continuum measurements in a sample of "normal" galaxies at . We report the h…

astro-ph.GA2018★ 61 cited

No evidence for enhanced [OIII] 88um emission in a z~6 quasar compared to its companion starbursting galaxy

Fabian Walter, Dominik Riechers, Mladen Novak +14

We present ALMA band 8 observations of the [OIII] 88um line and the underlying thermal infrared continuum emission in the z=6.08 quasar CFHQS J2100-1715 and its dust-obscured starb…

astro-ph.GA2018★ 18 cited

The Frequency Dependence of Scintillation Arc Thickness in Pulsar B1133+16

Dan R. Stinebring, Barney J. Rickett, Stella Koch Ocker

Scintillation arcs have become a powerful tool for exploring scattering in the ionized interstellar medium. There is accumulating evidence that the scattering from many pulsars is…

astro-ph.GA2018★ 44 cited

Multiple Ultralight Axionic Wave Dark Matter and Astronomical Structures

Hoang Nhan Luu, S. -H. Henry Tye, Tom Broadhurst

An ultralight scalar boson with mass eV is gaining credence as a Dark Matter (DM) candidate that explains the dark cores of dwarf galaxies as soliton waves. S…

astro-ph.GA2018★ 103 cited

Dust emission in an accretion-rate-limited sample of z>6 quasars

Bram Venemans, Roberto Decarli, Fabian Walter +9

We present Atacama Large Millimeter Array 1mm observations of the rest-frame far-infrared (FIR) dust continuum in 27 quasars at redshifts 6.0 < z < 6.7. We detect FIR emission at >…

astro-ph.GA2018

Science with an ngVLA. Cold gas in High-z Galaxies: CO as redshift beacon

R. Decarli, C. Carilli, C. Casey +7

The goal of this science case is to address the use of a ngVLA as a CO redshift machine for dust-obscured high-redshift galaxies which lack of clear counterparts at other wavelengt…

astro-ph.GA2018★ 20 cited

Resolving Star Formation on Sub-Kiloparsec Scales in the High-Redshift Galaxy SDP.11 Using Gravitational Lensing

C. Lamarche, A. Verma, A. Vishwas +7

We investigate the properties of the interstellar medium, star formation, and the current-day stellar population in the strongly-lensed star-forming galaxy H-ATLAS J091043.1-000321…

astro-ph.GA2018★ 9 cited

Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy

David Martinez-Delgado, Eva K. Grebel, Behnam Javanmardi +9

It is of broad interest for galaxy formation theory to carry out a full inventory of the numbers and properties of dwarf galaxies in the Local Volume, both satellites and isolated…

astro-ph.GA2018★ 33 cited

No Evidence for Millimeter Continuum Source Overdensities in the Environments of Quasars

Jaclyn B. Champagne, Roberto Decarli, Caitlin M. Casey +11

Bright high-redshift quasars (), hosting supermassive black holes (), are expected to reside in massive host galaxies embedded within some of the…

astro-ph.GA2018★ 192 cited

Gemini GNIRS near-infrared spectroscopy of 50 quasars at z>~5.7

Yue Shen, Jin Wu, Linhua Jiang +12

We report initial results from a large Gemini program to observe z>~5.7 quasars with GNIRS near-IR spectroscopy. Our sample includes 50 quasars with simultaneous ~0.85-2.5 micron s…

astro-ph.GA2018★ 103 cited

The CO Luminosity Density at High-z (COLDz) Survey: A Sensitive, Large Area Blind Search for Low-J CO Emission from Cold Gas in the Early Universe with the Karl G. Jansky Very Large Array

Riccardo Pavesi, Chelsea E. Sharon, Dominik A. Riechers +16

We describe the CO Luminosity Density at High-z (COLDz) survey, the first spectral line deep field targeting CO(1-0) emission from galaxies at and CO(2-1) at $z=4.91-…

astro-ph.GA2018★ 162 cited

COLDz: Shape of the CO Luminosity Function at High Redshift and the Cold Gas History of the Universe

Dominik A. Riechers, Riccardo Pavesi, Chelsea E. Sharon +14

We report the first detailed measurement of the shape of the CO luminosity function at high redshift, based on 320 hr of the NSF's Karl G. Jansky Very Large Array (VLA) observat…

astro-ph.GA2018★ 2 cited

SOFIA/HAWC+ detection of a gravitationally lensed starburst galaxy at = 1.03

Jingzhe Ma, Arianna Brown, Asantha Cooray +13

We present the detection at 89 m (observed frame) of the {\it Herschel}-selected gravitationally lensed starburst galaxy HATLASJ1429-0028 (also known as G15v2.19) in 15 minutes…

astro-ph.GA2018★ 65 cited

Far-infrared Herschel SPIRE spectroscopy of lensed starbursts reveals physical conditions of ionised gas

Zhi-Yu Zhang, R. J. Ivison, R. D. George +15

The most intensively star-forming galaxies are extremely luminous at far-infrared (FIR) wavelengths, highly obscured at optical and ultraviolet wavelengths, and lie at .…

astro-ph.GA2018★ 15 cited

CCAT-prime: Science with an Ultra-widefield Submillimeter Observatory at Cerro Chajnantor

G. J. Stacey, M. Aravena, K. Basu +37

We present the detailed science case, and brief descriptions of the telescope design, site, and first light instrument plans for a new ultra-wide field submillimeter observatory, C…

astro-ph.GA2018★ 24 cited

The Local Cluster Survey I: Evidence of Outside-In Quenching in Dense Environments

Rose A. Finn, Vandana Desai, Gregory Rudnick +9

The goal of the Local Cluster Survey is to look for evidence of environmentally driven quenching among star-forming galaxies in nearby galaxy groups and clusters. Quenching is link…

astro-ph.GA2018★ 13 cited

The Atacama Cosmology Telescope: CO(J = 3 - 2) mapping and lens modeling of an ACT-selected dusty star-forming galaxy

J. Rivera, A. J. Baker, P. A. Gallardo +13

We report Northern Extended Millimeter Array (NOEMA) CO() observations of the dusty star-forming galaxy ACT-S\,J020941+001557 at , which was detected as an u…

astro-ph.GA2018★ 501 cited

The Arecibo Legacy Fast ALFA Survey: The ALFALFA Extragalactic HI Source Catalog

Martha P. Haynes, Riccardo Giovanelli, Brian R. Kent +22

We present the catalog of ~31500 extragalactic HI line sources detected by the completed ALFALFA survey out to z < 0.06 including both high signal-to-noise ratio (> 6.5) detections…

astro-ph.GA2018★ 27 cited

Warm Molecular Hydrogen in Nearby, Luminous Infrared Galaxies

Andreea O. Petric, Lee Armus, Nicolas Flagey +19

Mid-infrared molecular hydrogen (H) emission is a powerful cooling agent in galaxy mergers and in radio galaxies; it is a potential key tracer of gas evolution and energy dissi…

astro-ph.GA2018★ 39 cited

Quantifying the AGN-driven outflows in ULIRGs (QUADROS) II: evidence for compact outflow regions from HST [OIII] imaging observations

C. Tadhunter, J. Rodríguez Zaurín, M. Rose +7

The true importance of the warm, AGN-driven outflows for the evolution of galaxies remains uncertain. Measurements of the radial extents of the outflows are key for quantifying the…