Showing 2020Show all

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cs.RO2020★ 129 cited

LOCUS: A Multi-Sensor Lidar-Centric Solution for High-Precision Odometry and 3D Mapping in Real-Time

M. Palieri, B. Morrell, A Thakur +7

A reliable odometry source is a prerequisite to enable complex autonomy behaviour in next-generation robots operating in extreme environments. In this work, we present a high-preci…

astro-ph.EP2020★ 36 cited

Storms and the Depletion of Ammonia in Jupiter: II. Explaining the Juno Observations

Tristan Guillot, Cheng Li, Scott Bolton +8

Observations of Jupiter's deep atmosphere by the Juno spacecraft have revealed several puzzling facts: The concentration of ammonia is variable down to pressures of tens of bars, a…

cs.DL2020

Nine Best Practices for Research Software Registries and Repositories: A Concise Guide

Task Force on Best Practices for Software Registries, :, Alain Monteil +30

Scientific software registries and repositories serve various roles in their respective disciplines. These resources improve software discoverability and research transparency, pro…

astro-ph.IM2020★ 318 cited

The CatWISE2020 Catalog

Federico Marocco, Peter R. M. Eisenhardt, John W. Fowler +20

The CatWISE2020 Catalog consists of 1,890,715,640 sources over the entire sky selected from WISE and NEOWISE survey data at 3.4 and 4.6 m (W1 and W2) collected from 2010 Jan. 7…

astro-ph.GA2020★ 84 cited

Dust polarized emission observations of NGC 6334; BISTRO reveals the details of the complex but organized magnetic field structure of the high-mass star-forming hub-filament network

D. Arzoumanian, R. Furuya, T. Hasegawa +145

[Abridged] Filaments and hubs have received special attention recently thanks to studies showing their role in star formation. While the column density and velocity structures of b…

astro-ph.IM2020★ 5 cited

Design and pre-flight performance of SPIDER 280 GHz receivers

E. C. Shaw, P. A. R. Ade, S. Akers +79

In this work we describe upgrades to the Spider balloon-borne telescope in preparation for its second flight, currently planned for December 2021. The Spider instrument is optimize…

astro-ph.EP2020★ 7 cited

A review of simulation and performance modeling for the Roman coronagraph instrument

Ewan S. Douglas, Jaren N. Ashcraft, Ruslan Belikov +10

The Nancy Grace Roman Space Telescope Coronagraph Instrument (CGI) will be capable of characterizing exoplanets in reflected light and will demonstrate space technologies essential…

astro-ph.EP2020★ 1 cited

Endogenic and Exogenic Contributions to Visible-wavelength Spectra of Europa's Trailing Hemisphere

Samantha K. Trumbo, Michael E. Brown, Kevin P. Hand

The composition of Europa's trailing hemisphere reflects the combined influences of endogenous geologic resurfacing and exogenous sulfur radiolysis. Using spatially resolved visibl…

astro-ph.EP2020★ 18 cited

Earth as a Proxy Exoplanet: Deconstructing and Reconstructing Spectrophotometric Light Curves

Lixiang Gu, Siteng Fan, Jiazheng Li +7

Point source spectrophotometric ("single-point") light curves of Earth-like planets contain a surprising amount of information about the spatial features of those worlds. Spatially…

astro-ph.EP2020★ 146 cited

The water abundance in Jupiter's equatorial zone

Cheng Li, Andrew Ingersoll, Scott Bolton +20

Oxygen is the most common element after hydrogen and helium in Jupiter's atmosphere, and may have been the primary condensable (as water ice) in the protoplanetary disk. Prior to t…

astro-ph.GA2020★ 42 cited

Gaia GraL: Gaia DR2 Gravitational Lens Systems. VI. Spectroscopic Confirmation and Modeling of Quadruply-Imaged Lensed Quasars

D. Stern, S. G. Djorgovski, A. Krone-Martins +23

Combining the exquisite angular resolution of Gaia with optical light curves and WISE photometry, the Gaia Gravitational Lenses group (GraL) uses machine learning techniques to ide…

astro-ph.GA2020★ 7 cited

A Redshift for the First Einstein Ring, MG 1131+0456

Daniel Stern, Dominic Walton

MG 1131+0456 is a radio-selected gravitational lens, and is the first known Einstein ring. Discovered in 1988, the system consists of a bright radio source imaged into a ring and t…

astro-ph.CO2020★ 1 cited

Observing low elevation sky and the CMB Cold Spot with BICEP3 at the South Pole

J. Kang, P. A. R. Ade, Z. Ahmed +84

BICEP3 is a 520 mm aperture on-axis refracting telescope at the South Pole, which observes the polarization of the cosmic microwave background (CMB) at 95 GHz to search for the B-m…

physics.ins-det2020★ 141 cited

Single-photon detection in the mid-infrared up to 10 micron wavelength using tungsten silicide superconducting nanowire detectors

V. B. Verma, B. Korzh, A. B. Walter +15

We developed superconducting nanowire single-photon detectors (SNSPDs) based on tungsten silicide (WSi) that show saturated internal detection efficiency up to a wavelength of 10 u…

astro-ph.GA2020★ 28 cited

A Statistical Estimation of the Occurrence of Extraterrestrial Intelligence in the Milky Way Galaxy

Xiang Cai, Jonathan H. Jiang, Kristen A. Fahy +1

In the field of Astrobiology, the precise location, prevalence and age of potential extraterrestrial intelligence (ETI) have not been explicitly explored. Here, we address these in…

astro-ph.SR2020★ 40 cited

Proplyds in the Flame Nebula NGC 2024

Thomas J. Haworth, Jinyoung S. Kim, Andrew J. Winter +5

A recent survey of the inner pc of the NGC 2024 star forming region revealed two distinct millimetre continuum disc populations that appear to be spatially segregat…

astro-ph.SR2020★ 6 cited

Serendipitous discovery of a dusty disc around WDJ181417.84-735459.83

E. González Egea, R. Raddi, D. Koester +8

Spectroscopic observations of white dwarfs reveal that many of them are polluted by exoplanetary material, whose bulk composition can be uniquely probed this way. We present a spec…

astro-ph.IM2020

Design and performance of the PALM-3000 3.5 kHz upgrade

Seth R. Meeker, Tuan N. Truong, Jennifer E. Roberts +11

PALM-3000 (P3K), the second generation adaptive optics (AO) instrument for the 5.1 meter Hale telescope at Palomar Observatory, was released as a facility class instrument in Octob…

astro-ph.CO2020★ 82 cited

Dark Energy Survey Year 3 Results: Clustering Redshifts -- Calibration of the Weak Lensing Source Redshift Distributions with redMaGiC and BOSS/eBOSS

M. Gatti, G. Giannini, G. M. Bernstein +94

We present the calibration of the Dark Energy Survey Year 3 (DES Y3) weak lensing source galaxy redshift distributions from clustering measurements. In particular, we cross-…

astro-ph.IM2020★ 11 cited

Design, pointing control, and on-sky performance of the mid-infrared vortex coronagraph for the VLT/NEAR experiment

A. -L. Maire, E. Huby, O. Absil +16

Vortex coronagraphs have been shown to be a promising avenue for high-contrast imaging in the close-in environment of stars at thermal infrared (IR) wavelengths. They are included…

astro-ph.SR2020★ 17 cited

Evolution of a Streamer-Blowout CME as Observed by Imagers on Parker Solar Probe and the Solar Terrestrial Relations Observatory

P. C. Liewer, J. Qiu, A. Vourlidas +2

Context: On 26-27 January 2020, the wide-field imager WISPR on Parker Solar Probe (PSP) observed a coronal mass ejection (CME) from a distance of approximately 30 solar radii as it…

astro-ph.EP2020★ 110 cited

The search for radio emission from the exoplanetary systems 55 Cancri, Andromedae, and Boötis using LOFAR beam-formed observations

Jake D. Turner, Philippe Zarka, Jean-Mathias Grießmeier +8

Observing planetary auroral radio emission is the most promising method to detect exoplanetary magnetic fields, the knowledge of which will provide valuable insights into the plane…

astro-ph.IM2020★ 14 cited

Experimental analysis of the achromatic performance of a vector vortex coronagraph

Garreth Ruane, Eugene Serabyn, Camilo Mejia Prada +4

The vector vortex coronagraph is an instrument designed for direct detection and spectroscopy of exoplanets over a broad spectral range. Our team is working towards demonstrating c…

physics.ins-det2020★ 17 cited

High-precision measurements of krypton and xenon isotopes with a new static-mode Quadrupole Ion Trap Mass Spectrometer

G. Avice, A. Belousov, K. A. Farley +5

Measuring the abundance and isotopic composition of noble gases in planetary atmospheres can answer fundamental questions in cosmochemistry and comparative planetology. However, no…