Pathfinder ≈ Pathfinder
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Laser Interferometer Space Antenna Open
Following the selection of The Gravitational Universe by ESA, and the successful flight of LISA Pathfinder, the LISA Consortium now proposes a 4 year mission in response to ESA's call for missions for L3. The observatory will be based on t…
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CloudSat and CALIPSO within the A-Train: Ten Years of Actively Observing the Earth System Open
One of the most successful demonstrations of an integrated approach to observe Earth from multiple perspectives is the A-Train satellite constellation. The science enabled by this constellation flourished with the introduction of the two a…
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The ATLAS All-Sky Stellar Reference Catalog Open
The Asteroid Terrestrial-impact Last Alert System (ATLAS) observes most of the sky every night in search of dangerous asteroids. Its data are also used to search for photometric variability, where sensitivity to variability is limited by p…
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Science with the Australian square kilometre array pathfinder Open
The future of centimetre and metre-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries that will be 50 times more sensitive than any existing radio facility. Most of the …
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Australian square kilometre array pathfinder: I. system description Open
In this paper, we describe the system design and capabilities of the Australian Square Kilometre Array Pathfinder (ASKAP) radio telescope at the conclusion of its construction project and commencement of science operations. ASKAP is one of…
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Extinction and optical depth retrievals for CALIPSO's Version 4 data release Open
The Cloud–Aerosol Lidar with Orthogonal Polarization (CALIOP) on board the Cloud–Aerosol Lidar Infrared Pathfinder Satellite Observations (CALIPSO) satellite has been making near-global height-resolved measurements of cloud and aerosol lay…
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The Rapid ASKAP Continuum Survey Paper II: First Stokes I Source Catalogue Data Release Open
The Rapid ASKAP Continuum Survey (RACS) is the first large sky survey using the Australian Square Kilometre Array Pathfinder (ASKAP), covering the sky south of $+41^\circ$ declination. With ASKAP’s large, instantaneous field of view, ${\si…
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Evaluating and improving cloud phase in the Community Atmosphere Model version 5 using spaceborne lidar observations Open
Spaceborne lidar observations from the Cloud‐Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellite are used to evaluate cloud amount and cloud phase in the Community Atmosphere Model version 5 (CAM5), the atmosphe…
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Experimental bounds on collapse models from gravitational wave detectors Open
Wave function collapse models postulate a fundamental breakdown of the quantum superposition principle at the macroscale. Therefore, experimental tests of collapse models are also fundamental tests of quantum mechanics. Here, we compute th…
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Reaction-Based Enumeration, Active Learning, and Free Energy Calculations To Rapidly Explore Synthetically Tractable Chemical Space and Optimize Potency of Cyclin-Dependent Kinase 2 Inhibitors Open
The hit-to-lead and lead optimization processes usually involve the design, synthesis, and profiling of thousands of analogs prior to clinical candidate nomination. A hit finding campaign may begin with a virtual screen that explores milli…
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Polar stratospheric cloud climatology based on CALIPSO spaceborne lidar measurements from 2006 to 2017 Open
The Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) on the CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations) satellite has been observing polar stratospheric clouds (PSCs) from mid-June 2006 until the p…
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Improved Noninterferometric Test of Collapse Models Using Ultracold Cantilevers Open
Spontaneous collapse models predict that a weak force noise acts on any mechanical system, as a consequence of the collapse of the wave function. Significant upper limits on the collapse rate have been recently inferred from precision mech…
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Using in situ airborne measurements to evaluate three cloud phase products derived from CALIPSO Open
We compare the cloud detection and cloud phase determination of three independent climatologies based on Cloud‐Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) to airborne in situ measurements. Our analysis of the clou…
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CALIPSO lidar calibration at 1064 nm: version 4 algorithm Open
Radiometric calibration of space-based elastic backscatter lidars is accomplished by comparing the measured backscatter signals to theoretically expected signals computed for some well-characterized calibration target. For any given system…
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Charge-Induced Force Noise on Free-Falling Test Masses: Results from LISA Pathfinder Open
We report on electrostatic measurements made on board the European Space Agency mission LISA Pathfinder. Detailed measurements of the charge-induced electrostatic forces exerted on free-falling test masses (TMs) inside the capacitive gravi…
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The AVHRR Polar Pathfinder Climate Data Records Open
With recent, dramatic changes in Arctic sea ice and the Antarctic ice sheets, the importance of monitoring the climate of the polar regions has never been greater. While many individual global satellite products exist, the AVHRR Polar Path…
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Direct atmosphere opacity observations from CALIPSO provide new constraints on cloud‐radiation interactions Open
The spaceborne lidar CALIPSO (Cloud‐Aerosol Lidar and Infrared Pathfinder Satellite Observation) directly measures atmospheric opacity. In 8 years of CALIPSO observations, we find that 69% of vertical profiles penetrate through the complet…
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Seasonally transported aerosol layers over southeast Atlantic are closer to underlying clouds than previously reported Open
From June to October, low‐level clouds in the southeast (SE) Atlantic often underlie seasonal aerosol layers transported from African continent. Previously, the Cloud‐Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) 53…
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Experimental results from the ST7 mission on LISA Pathfinder Open
The Space Technology 7 Disturbance Reduction System (ST7-DRS) is a NASA technology demonstration payload that operated from January 2016 through July 2017 on the European Space Agency’s (ESA) LISA Pathfinder spacecraft. The joint goal of t…
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Evaluating models' response of tropical low clouds to SST forcings using CALIPSO observations Open
Recent studies have shown that, in response to a surface warming, the marine tropical low-cloud cover (LCC) as observed by passive-sensor satellites substantially decreases, therefore generating a smaller negative value of the top-of-the-a…
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\nMagnetism Science with the Square Kilometre Array Open
\n Contains fulltext :\n 221223.pdf (Publisher’s version ) (Open Access)\n
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Pathfinder–Development of Automated Guided Vehicle for Hospital Logistics Open
This paper describes the development of Pathfinder-an autonomous guided vehicle intended for the transportation of material in hospital environments. Pathfinder is equipped with the latest industrial hardware components and employs the mos…
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Capacitive sensing of test mass motion with nanometer precision over millimeter-wide sensing gaps for space-borne gravitational reference sensors Open
We report on the performance of the capacitive gap-sensing system of the Gravitational Reference Sensor on board the LISA Pathfinder spacecraft. From in-flight measurements, the system has demonstrated a performance, down to 1 mHz, that is…
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LISA Pathfinder platform stability and drag-free performance Open
The science operations of the LISA Pathfinder mission have demonstrated the feasibility of sub-femto-g free fall of macroscopic test masses necessary to build a gravitational wave observatory in space such as LISA. While the main focus of …
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Discovery of H i gas in a young radio galaxy at z = 0.44 using the Australian Square Kilometre Array Pathfinder Open
We report the discovery of a new 21-cm HI absorption system using commissioning data from the Boolardy Engineering Test Array of the Australian Square Kilometre Array Pathfinder (ASKAP). Using the 711.5-1015.5 MHz band of ASKAP we were abl…
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Research and Development of Electrostatic Accelerometers for Space Science Missions at HUST Open
High-precision electrostatic accelerometers have achieved remarkable success in satellite Earth gravity field recovery missions. Ultralow-noise inertial sensors play important roles in space gravitational wave detection missions such as th…
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LISA pathfinder appreciably constrains collapse models Open
LISA Pathfinder's measurement of a relative acceleration noise between two\nfree-falling test masses with a square root of the power spectral density of\n$5.2 \\pm 0.1 \\mbox{ fm s}^{-2}/\\sqrt{\\rm{Hz}}$ appreciably constrains collapse\nm…
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Improved analytic extreme-mass-ratio inspiral model for scoping out eLISA data analysis Open
The space-based gravitational-wave detector eLISA has been selected as the ESA L3 mission, and the mission design will be finalised by the end of this decade. To prepare for mission formulation over the next few years, several outstanding …
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Characterizing and understanding systematic biases in the vertical structure of clouds in CMIP5/CFMIP2 models Open
From a traditional low‐, middle‐, and high‐cloud “layered” perspective as well as a more detailed “level” perspective (40 levels), we compare the vertical distribution of clouds in 12 general circulation models (GCMs) against the GCM‐Orien…
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The development and application of satellite remote sensing for atmospheric compositions in China Open
The variations of atmospheric compositions (ACs) can change the atmospheric interactions with other parts of the ecosystem, and it also affects the energy budget of the Earth. Satellite remote sensing plays a crucial role in monitoring AC …