output
19922026
most citedDirect Evidence for Neutrino Flavor Transformation from Neutral-Current Interactions in the Sudbury Neutrino Observatory

3k citations

Showing 2021 · astro-ph.GAShow all

33 papers · 2 filters

astro-ph.GA2021★ 5 cited

Galactic magnetic X fields

R N Henriksen

Our aim in this note is to compare a recent explanation of the galactic X pattern in Faraday Rotation (XRM), to that produced by the advection part of the classical dynamo.We find…

astro-ph.GA2021★ 16 cited

The JCMT BISTRO Survey: Evidence for Pinched Magnetic Fields in Quiescent Filaments of NGC 1333

Yasuo Doi, Kohji Tomisaka, Tetsuo Hasegawa +33

We investigate the internal 3D magnetic structure of dense interstellar filaments within NGC 1333 using polarization data at from the -fields In STar-forming R…

astro-ph.GA2021★ 29 cited

WALLABY Pilot Survey: HI gas disc truncation and star formation of galaxies falling into the Hydra I cluster

T. N. Reynolds, B. Catinella, L. Cortese +25

We present results from our analysis of the Hydra I cluster observed in neutral atomic hydrogen (HI) as part of the Widefield ASKAP L-band Legacy All-sky Blind Survey (WALLABY). Th…

astro-ph.GA2021★ 54 cited

The VLA/ALMA Nascent Disk and Multiplicity (VANDAM) Survey of Orion Protostars V. A Characterization of Protostellar Multiplicity

John J. Tobin, Stella S. R. Offner, Kaitlin M. Kratter +16

We characterize protostellar multiplicity in the Orion molecular clouds using ALMA 0.87~mm and VLA 9~mm continuum surveys toward 328 protostars. These observations are sensitive to…

astro-ph.GA2021★ 7 cited

Non-circular flows in HIghMass galaxies in a test of the late accretion hypothesis

Dhruv Bisaria, Kristine Spekkens, Shan Huang +2

We present H-alpha velocity maps for the HIghMass galaxies UGC 7899, UGC 8475, UGC 9037 and UGC 9334, obtained with the SITELLE Imaging Fourier Transform Spectrometer on the Canada…

astro-ph.GA2021

Towards convergence of turbulent dynamo amplification in cosmological simulations of galaxies

Sergio Martin-Alvarez, Julien Devriendt, Adrianne Slyz +3

Our understanding of the process through which magnetic fields reached their observed strengths in present-day galaxies remains incomplete. One of the advocated solutions is a turb…

astro-ph.GA2021★ 68 cited

VERTICO: The Virgo Environment Traced In CO Survey

Toby Brown, Christine D. Wilson, Nikki Zabel +33

We present the Virgo Environment Traced in CO (VERTICO) survey, a new effort to map CO(), CO(), and CO() in 51 Virgo Cluster galaxies with the A…

astro-ph.GA2021★ 13 cited

AGC 226178 and NGVS 3543: Two deceptive dwarfs towards Virgo

Michael G. Jones, David J. Sand, Michele Bellazzini +21

The two sources AGC 226178 and NGVS 3543, an extremely faint, clumpy, blue stellar system and a low surface brightness dwarf spheroidal, are adjacent systems in the direction of th…

astro-ph.GA2021★ 31 cited

On the Properties of Spectroscopically-Confirmed Ultra-Diffuse Galaxies Across Environment

Jennifer Kadowaki, Dennis Zaritsky, R. L. Donnerstein +3

We present new redshift measurements for 19 candidate, ultra-diffuse galaxies (UDGs) from the Systematically Measuring Ultra-Diffuse Galaxies (SMUDGes) survey after conducting a lo…

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★ 33 cited

CHANG-ES XXIII: Influence of a galactic wind in NGC 5775

G. H. Heald, V. Heesen, S. S. Sridhar +22

We present new radio continuum images of the edge-on starburst galaxy NGC 5775, from LOFAR (140 MHz) and the Karl G. Jansky Very Large Array CHANG-ES survey (1500 MHz). We trace th…

astro-ph.GA2021★ 43 cited

Systematically Measuring Ultra-Diffuse Galaxies (SMUDGes). II. Expanded Survey Description and the Stripe 82 Catalog

Dennis Zaritsky, Richard Donnerstein, Ananthan Karunakaran +5

We present 226 large ultra-diffuse galaxy (UDG) candidates (\arcsec, mag arcsec) in the SDSS Stripe 82 region recovered using our improved procedur…

astro-ph.GA2021★ 7 cited

Detection of Substructures in Young Transition Disk WL 17

Hannah Gulick, Sarah Sadavoy, Luca Matra +2

WL 17 is a young transition disk in the Ophiuchus L1688 molecular cloud complex. Even though WL 17 is among the brightest disks in L1688 and massive enough to expect dust self-scat…

astro-ph.GA2021★ 1 cited

NIHAO-LG: The uniqueness of Local Group dwarf galaxies

Nikhil Arora, Andrea V. Macció, Stéphane Courteau +8

Recent observational and theoretical studies of the Local Group (LG) dwarf galaxies have highlighted their unique star-formation history, stellar metallicity, gas content, and kine…

astro-ph.GA2021★ 42 cited

Hubble Space Telescope Observations of NGC 253 Dwarf Satellites: Discovery of Three Ultra-faint Dwarf Galaxies

Burçin Mutlu-Pakdil, David J. Sand, Denija Crnojević +8

We present deep Hubble Space Telescope imaging of five faint dwarf galaxies associated with the nearby spiral NGC 253 (D3.5 Mpc). Three of these are newly discovered ultra…

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

Turbulent Magnetic Dynamos with Halo Lags, Winds, and Jets

R. H. Henriksen, Judith Irwin

This paper presents scale invariant/self-similar galactic magnetic dynamo models based on the classic equations, and compares them qualitatively to recently observed magnetic field…

astro-ph.GA2021★ 45 cited

AutoProf -- I. An automated non-parametric light profile pipeline for modern galaxy surveys

Connor Stone, Nikhil Arora, Stéphane Courteau +1

We present an automated non-parametric light profile extraction pipeline called AutoProf. All steps for extracting surface brightness (SB) profiles are included in AutoProf, allowi…

astro-ph.GA2021★ 19 cited

Molecular gas and star formation within 12 strong galactic bars observed with IRAM-30m

Simón Díaz-García, Ute Lisenfeld, Isabel Pérez +8

While some galactic bars show recent massive star formation (SF) along them, some others present a lack of it. Whether bars with low level of SF are a consequence of low star forma…

astro-ph.GA2021★ 19 cited

MaNGA galaxy properties -- I. An extensive optical, mid-infrared photometric, and environmental catalogue

Nikhil Arora, Connor Stone, Stéphane Courteau +1

We present an extensive catalog of non-parametric structural properties derived from optical and mid-infrared imaging for 4585 galaxies from the MaNGA survey. DESI and WISE imaging…

astro-ph.GA2021★ 18 cited

WALLABY Pilot Survey: First Look at the Hydra I Cluster and Ram Pressure Stripping of ESO 501-G075

T. N. Reynolds, T. Westmeier, A. Elagali +17

We present results from neutral atomic hydrogen (HI) observations of Hydra I, the first cluster observed by the Widefield ASKAP L-band Legacy All-sky Blind Survey (WALLABY) on the…

astro-ph.GA2021★ 5 cited

A study of 90 GHz dust emissivity on molecular cloud and filament scales

Ian Lowe, Brian Mason, Tanay Bhandarkar +19

Recent observations from the MUSTANG2 instrument on the Green Bank Telescope have revealed evidence of enhanced long-wavelength emission in the dust spectral energy distribution (S…

astro-ph.GA2021★ 41 cited

Satellites Around Milky Way Analogs: Tension in the Number and Fraction of Quiescent Satellites Seen in Observations Versus Simulations

Ananthan Karunakaran, Kristine Spekkens, Kyle A. Oman +13

We compare the star-forming properties of satellites around Milky Way (MW) analogs from the Stage~II release of the Satellites Around Galactic Analogs Survey (SAGA-II) to those fro…

astro-ph.GA2021★ 18 cited

Two-component Magnetic Field along the Line of Sight to the Perseus Molecular Cloud: Contribution of the Foreground Taurus Molecular Cloud

Yasuo Doi, Tetsuo Hasegawa, Pierre Bastien +13

Optical stellar polarimetry in the Perseus molecular cloud direction is known to show a fully mixed bi-modal distribution of position angles across the cloud (Goodman et al. 1990).…