Showing 2019Show all

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astro-ph.GA2019★ 33 cited

ALMA observations reveal no preferred outflow--filament and outflow--magnetic field orientations

T. Baug, Ke Wang, Tie Liu +12

We present a statistical study on the orientation of outflows with respect to large-scale filaments and the magnetic fields. Although filaments are widely observed toward Galactic…

astro-ph.SR2019★ 4 cited

High-Resolution Near-Infrared Polarimetry and Sub-Millimeter Imaging of FS Tau A: Possible Streamers in Misaligned Circumbinary Disk System

Yi Yang, Eiji Akiyama, Thayne Currie +56

We analyzed the young (2.8-Myr-old) binary system FS Tau A using near-infrared (H-band) high-contrast polarimetry data from Subaru/HiCIAO and sub-millimeter CO (J=2-1) line emissio…

astro-ph.EP2019★ 28 cited

The Detectability and Constraints of Biosignature Gases in the Near & Mid-Infrared from Transit Transmission Spectroscopy

Luke Tremblay, Michael R Line, Kevin B Stevenson +4

The James Webb Space Telescope (JWST) is expected to revolutionize our understanding of Jovian worlds over the coming decade. However, as we push towards characterizing cooler, sma…

astro-ph.EP2019★ 51 cited

Pre-discovery Activity of New Interstellar Comet 2I/Borisov Beyond 5 AU

Quanzhi Ye, Michael S. P. Kelley, Bryce T. Bolin +15

Comet 2I/Borisov, the first unambiguous interstellar comet ever found, was discovered in August 2019 at au from the Sun on its inbound leg. No pre-discovery detection beyon…

astro-ph.EP2019★ 18 cited

TOI 564 b and TOI 905 b: Grazing and Fully Transiting Hot Jupiters Discovered by TESS

Allen B. Davis, Songhu Wang, Matias Jones +46

We report the discovery and confirmation of two new hot Jupiters discovered by the Transiting Exoplanet Survey Satellite (TESS): TOI 564 b and TOI 905 b. The transits of these two…

astro-ph.GA2019★ 56 cited

The STRong lensing Insights into the Dark Energy Survey (STRIDES) 2017/2018 follow-up campaign: Discovery of 10 lensed quasars and 10 quasar pairs

C. Lemon, M. W. Auger, R. McMahon +65

We report the results of the STRong lensing Insights from the Dark Energy Survey (STRIDES) follow-up campaign of the late 2017/early 2018 season. We obtained spectra of 65 lensed q…

astro-ph.GA2019★ 64 cited

The HI/OH/Recombination line survey of the inner Milky Way (THOR): data release 2 and HI overview

Y. Wang, H. Beuther, M. R. Rugel +17

With the Very Large Array (VLA) in C-configuration, we observed a large portion of the first Galactic quadrant ( and $\lvert b \rvert \leq 1.25…

astro-ph.EP2019★ 71 cited

Are Inner Disc Misalignments Common? ALMA Reveals an Isotropic Outer Disc Inclination Distribution for Young Dipper Stars

M. Ansdell, E. Gaidos, C. Hedges +12

Dippers are a common class of young variable star exhibiting day-long dimmings with depths of up to several tens of percent. A standard explanation is that dippers host nearly edge…

physics.space-ph2019★ 23 cited

CME -Associated Energetic Ions at 0.23 AU -- Consideration of the Auroral Pressure Cooker Mechanism Operating in the Low Corona as a Possible Energization Process

D. G. Mitchell, J. Giacalone, R. C. Allen +15

We draw a comparison between a solar energetic particle event associated with the release of a slow coronal mass ejection close to the sun, and the energetic particle population pr…

astro-ph.EP2019★ 18 cited

(704) Interamnia: A transitional object between a dwarf planet and a typical irregular-shaped minor body

J. Hanuš, P. Vernazza, M. Viikinkoski +56

With an estimated diameter in the 320 to 350 km range, (704) Interamnia is the fifth largest main belt asteroid and one of the few bodies that fills the gap in size between the fou…

astro-ph.CO2019★ 71 cited

Tomographic galaxy clustering with the Subaru Hyper Suprime-Cam first year public data release

Andrina Nicola, David Alonso, Javier Sánchez +12

We analyze the clustering of galaxies in the first public data release of the HSC Subaru Strategic Program. Despite the relatively small footprints of the observed fields, the data…

astro-ph.SR2019★ 18 cited

Improved infrared photometry and a preliminary parallax measurement for the extremely cold brown dwarf CWISEP J144606.62231717.8

Federico Marocco, J. Davy Kirkpatrick, Aaron M. Meisner +6

We present follow-up observations at 3.6m (ch1) and 4.5m (ch2) of CWISEP J144606.62231717.8, one of the coldest known brown dwarfs in the solar neighborhood. Thi…

astro-ph.HE2019★ 18 cited

Simultaneous observations of the blazar PKS2155-304 from Ultra-Violet to TeV energies

H. E. S. S., Fermi, NuSTAR collaborations

The results of the first ever contemporaneous multi-wavelength observation campaign on the BL Lac object PKS2155-304 involving Swift, NuSTAR, Fermi-LAT and H.E.S.S. are reported. T…

astro-ph.SR2019★ 8 cited

SUBARU Near-Infrared Imaging Polarimetry of Misaligned Disks Around The SR24 Hierarchical Triple System

Satoshi Mayama, Sebastián Pérez, Nobuhiko Kusakabe +65

The SR24 multi-star system hosts both circumprimary and circumsecondary disks, which are strongly misaligned from each other. The circumsecondary disk is circumbinary in nature. In…

cs.RO2019★ 30 cited

Perception-aware Autonomous Mast Motion Planning for Planetary Exploration Rovers

Jared Strader, Kyohei Otsu, Ali-akbar Agha-mohammadi

Highly accurate real-time localization is of fundamental importance for the safety and efficiency of planetary rovers exploring the surface of Mars. Mars rover operations rely on v…

astro-ph.SR2019★ 5 cited

Evolution from Spherical AGB Wind to Multipolar Outflow in Pre-Planetary Nebula IRAS 17150-3224

Po-Sheng Huang, Chin-Fei Lee, Raghvendra Sahai

We have mapped the pre-planetary nebula IRAS 17150-3224 in 350 GHz continuum and CO J=3-2 line at an angular resolution of about 0".09 using the Atacama Large Millimeter/submillime…

astro-ph.EP2019★ 32 cited

A Twilight Search for Atiras, Vatiras and Co-orbital Asteroids: Preliminary Results

Quanzhi Ye, Frank J. Masci, Wing-Huen Ip +12

Near-Earth Objects (NEOs) that orbit the Sun on or within Earth's orbit are tricky to detect for Earth-based observers due to their proximity to the Sun in the sky. These small bod…

astro-ph.GA2019★ 42 cited

The first high-redshift changing-look quasars

Nicholas P. Ross, Matthew J. Graham, Giorgio Calderone +3

We report on three redshift quasars with dramatic changes in their C IV emission lines, the first sample of changing-look quasars (CLQs) at high redshift. This is also the fi…

physics.atom-ph2019★ 152 cited

The Bose-Einstein Condensate and Cold Atom Laboratory

Kai Frye, Sven Abend, Wolfgang Bartosch +48

Microgravity eases several constraints limiting experiments with ultracold and condensed atoms on ground. It enables extended times of flight without suspension and eliminates the…

astro-ph.HE2019★ 37 cited

Swift monitoring of M51: A 38-day super-orbital period for the pulsar ULX7 and a new transient ULX

Murray Brightman, Hannah Earnshaw, Felix Fürst +6

We present the results from a monitoring campaign made with the Neil Gehrels Swift Observatory of the M51 galaxies, which contain several variable ultraluminous X-ray sources (ULXs…

astro-ph.EP2019★ 60 cited

The Young Suns Exoplanet Survey: Detection of a wide orbit planetary mass companion to a solar-type Sco-Cen member

A. J. Bohn, M. A. Kenworthy, C. Ginski +9

The Young Suns Exoplanet Survey (YSES) consists of a homogeneous sample of 70 young, solar-mass stars located in the Lower Centaurus-Crux subgroup of the Scorpius-Centaurus associa…

astro-ph.EP2019★ 25 cited

A parallel-GPU code for asteroid aggregation problems with angular particles

F. Ferrari, M. Lavagna, E. Blazquez

The paper presents a numerical implementation of the gravitational N-body problem with contact interactions between non-spherically shaped bodies. The work builds up on a previous…

astro-ph.EP2019★ 3 cited

Future stellar flybys of the Voyager and Pioneer spacecraft

Coryn A. L. Bailer-Jones, Davide Farnocchia

The Pioneer 10 and 11 and Voyager 1 and 2 spacecraft, launched in the 1970s, are heading out of the solar system. Using the astrometric and radial velocity data from the second Gai…

astro-ph.SR2019★ 37 cited

Observations of the 2019 April 4 Solar Energetic Particle Event at the Parker Solar Probe

R. A. Leske, E. R. Christian, C. M. S. Cohen +33

A solar energetic particle event was detected by the Integrated Science Investigation of the Sun (ISOIS) instrument suite on Parker Solar Probe (PSP) on 2019 April 4 when the space…