Showing 2018 · astro-ph.IMShow all

71 papers · 2 filters

astro-ph.IM2018★ 12 cited

A flexible GPU-accelerated radio-frequency readout for superconducting detectors

Lorenzo Minutolo, Bryan Steinbach, Albert Wandui +1

We have developed a flexible radio-frequency readout system suitable for a variety of superconducting detectors commonly used in millimeter and submillimeter astrophysics, includin…

astro-ph.IM2018★ 94 cited

Reduced-order modeling with artificial neurons for gravitational-wave inference

Alvin J. K. Chua, Chad R. Galley, Michele Vallisneri

Gravitational-wave data analysis is rapidly absorbing techniques from deep learning, with a focus on convolutional networks and related methods that treat noisy time series as imag…

astro-ph.IM2018★ 32 cited

WIRC+Pol: a low-resolution near-infrared spectropolarimeter

Samaporn Tinyanont, Maxwell A. Millar-Blanchaer, Ricky Nilsson +14

WIRC+Pol is a newly commissioned low-resolution (R~100), near-infrared (J and H band) spectropolarimetry mode of the Wide-field InfraRed Camera (WIRC) on the 200-inch Hale Telescop…

astro-ph.IM2018★ 93 cited

First Cosmology Results Using Type Ia Supernovae From the Dark Energy Survey: Photometric Pipeline and Light Curve Data Release

D. Brout, M. Sako, D. Scolnic +89

We present griz light curves of 251 Type Ia Supernovae (SNe Ia) from the first 3 years of the Dark Energy Survey Supernova Program's (DES-SN) spectroscopically classified sample. T…

astro-ph.IM2018★ 39 cited

Efficient spectroscopy of exoplanets at small angular separations with vortex fiber nulling

Garreth Ruane, Ji Wang, Dimitri Mawet +4

Instrumentation designed to characterize potentially habitable planets may combine adaptive optics and high-resolution spectroscopy techniques to achieve the highest possible sensi…

astro-ph.IM2018★ 20 cited

Optical communication on CubeSats - Enabling the next era in space science

Alberto Carrasco-Casado, Abhijit Biswas, Renny Fields +4

CubeSats are excellent platforms to rapidly perform simple space experiments. Several hundreds of CubeSats have already been successfully launched in the past few years and the num…

astro-ph.IM2018

Spacecraft Telecommunications

T. Joseph W. Lazio, Sami Asmar

There is a long history of radio telescopes being used to augment the radio antennas regularly used to conduct telemetry, tracking, and command of deep space spacecraft. Radio tele…

astro-ph.IM2018★ 89 cited

Experimental results from the ST7 mission on LISA Pathfinder

G Anderson, J Anderson, M Anderson +145

The Space Technology 7 Disturbance Reduction System (ST7-DRS) is a NASA technology demonstration payload that operated from January 2016 through July of 2017 on the European Space…

astro-ph.IM2018★ 2 cited

James Webb Space Telescope Optical Simulation Testbed V: Wide-field phase retrieval assessment

Iva Laginja, Greg Brady, Remi Soummer +14

The James Webb Space Telescope (JWST) Optical Simulation Testbed (JOST) is a hardware simulator for wavefront sensing and control designed to produce JWST-like images. A model of t…

astro-ph.IM2018★ 64 cited

The Habitable Exoplanet Observatory (HabEx) Mission Concept Study Interim Report

B. Scott Gaudi, Sara Seager, Bertrand Mennesson +79

For the first time in human history, technologies have matured sufficiently to enable a mission capable of discovering and characterizing habitable planets like Earth orbiting sunl…

astro-ph.IM2018★ 26 cited

SCExAO, an instrument with a dual purpose: perform cutting-edge science and develop new technologies

Julien Lozi, Olivier Guyon, Nemanja Jovanovic +31

The Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) instrument is an extremely modular high-contrast instrument installed on the Subaru telescope in Hawaii. SCExAO has a dual…

astro-ph.IM2018★ 19 cited

Characterizing Vibrations at the Subaru Telescope for the Subaru Coronagraphic Extreme Adaptive Optics instrument

Julien Lozi, Olivier Guyon, Nemanja Jovanovic +6

Vibrations are a key source of image degradation in ground-based instrumentation, especially for high-contrast imaging instruments. Vibrations reduce the quality of the correction…

astro-ph.IM2018★ 57 cited

The Origins Space Telescope

Cara Battersby, Lee Armus, Edwin Bergin +36

The Origins Space Telescope, one of four large Mission Concept studies sponsored by NASA for review in the 2020 US Astrophysics Decadal Survey, will open unprecedented discovery sp…

astro-ph.IM2018★ 2 cited

Exoplanet Terra Incognita

Svetlana V. Berdyugina, Jeff R. Kuhn, Ruslan Belikov +1

Exoplanet surface imaging, cartography and the search for exolife are the next frontiers of planetology and astrophysics. Here we present an over-view of ideas and techniques to re…

astro-ph.IM2018★ 4 cited

The Star-Planet Activity Research CubeSat (SPARCS): A Mission to Understand the Impact of Stars in Exoplanets

David R. Ardila, Evgenya Shkolnik, Paul Scowen +14

The Star-Planet Activity Research CubeSat (SPARCS) is a NASA-funded astrophysics mission, devoted to the study of the ultraviolet (UV) time-domain behavior in low-mass stars. Given…

astro-ph.IM2018★ 2 cited

Direct Imaging in Reflected Light: Characterization of Older, Temperate Exoplanets With 30-m Telescopes

Etienne Artigau, Rebecca A. Bernstein, Timothy Brandt +22

Direct detection, also known as direct imaging, is a method for discovering and characterizing the atmospheres of planets at intermediate and wide separations. It is the only means…

astro-ph.IM2018

The Planetary Systems Imager: 2-5 Micron Channel

Andrew J. Skemer, Deno Stelter, Dimitri Mawet +15

We summarize the red channel (2-5 micron) of the Planetary Systems Imager (PSI), a proposed second-generation instrument for the TMT. Cold exoplanets emit the majority of their lig…

astro-ph.IM2018★ 24 cited

First observations of speed of light tracks by a fluorescence detector looking down on the atmosphere

G. Abdellaoui, S. Abe, J. H. Adams +311

EUSO-Balloon is a pathfinder mission for the Extreme Universe Space Observatory onboard the Japanese Experiment Module (JEM-EUSO). It was launched on the moonless night of the 25$^…

astro-ph.IM2018★ 151 cited

Microarcsecond VLBI pulsar astrometry with PSR II. parallax distances for 57 pulsars

A. T. Deller, W. M. Goss, W. F. Brisken +8

We present the results of PSR, a large astrometric project targeting radio pulsars using the Very Long Baseline Array (VLBA). From our astrometric database of 60 pulsars, we hav…

astro-ph.IM2018

High-contrast imaging of tight resolved binaries with two vector vortex coronagraphs in cascade with the Palomar SDC instrument

Jonas Kuhn, Sebastian Daemgen, Ji Wang +6

More than half of the stars in the solar neighborhood reside in binary/multiple stellar systems, and recent studies suggest that gas giant planets may be more abundant around binar…

astro-ph.IM2018★ 12 cited

Design and performance of wide-band corrugated walls for the BICEP Array detector modules at 30/40 GHz

A. Soliman, P. A. R. Ade, Z. Ahmed +75

BICEP Array is a degree-scale Cosmic Microwave Background (CMB) experiment that will search for primordial B-mode polarization while constraining Galactic foregrounds. BICEP Array…

astro-ph.IM2018★ 1 cited

Ultra-Thin Large-Aperture Vacuum Windows for Millimeter Wavelengths Receivers

Denis Barkats, Marion I. Dierickx, John M. Kovac +75

Targeting faint polarization patterns arising from Primordial Gravitational Waves in the Cosmic Microwave Background requires excellent observational sensitivity. Optical elements…

astro-ph.IM2018★ 1 cited

BICEP Array cryostat and mount design

M. Crumrine, P. A. R. Ade, Z. Ahmed +74

Bicep Array is a cosmic microwave background (CMB) polarization experiment that will begin observing at the South Pole in early 2019. This experiment replaces the five Bicep2 style…

astro-ph.IM2018★ 93 cited

BICEP Array: a multi-frequency degree-scale CMB polarimeter

Howard Hui, P. A. R. Ade, Z. Ahmed +75

BICEP Array is the newest multi-frequency instrument in the BICEP/Keck Array program. It is comprised of four 550 mm aperture refractive telescopes observing the polarization of th…