Showing 2017 · astro-ph.IMShow all

55 papers · 2 filters

astro-ph.IM2017★ 2 cited

Noise Budget and Interstellar Medium Mitigation Advances in the NANOGrav Pulsar Timing Array

T. Dolch, S. Chatterjee, J. M. Cordes +9

Gravitational wave (GW) detection with pulsar timing arrays (PTAs) requires accurate noise characterization. The noise of our Galactic-scale GW detector has been systematically eva…

astro-ph.IM2017

Precision Time-series Photometry in the Thermal Infrared with a 'Wall-Eyed' Pointing Mode at the Large Binocular Telescope

Eckhart Spalding, Phil Hinz, Andrew Skemer +3

Time-series photometry taken from ground-based facilities is improved with the use of comparison stars due to the short timescales of atmospheric-induced variability. However, the…

astro-ph.IM2017★ 20 cited

An H-band Vector Vortex Coronagraph for the Subaru Coronagraphic Extreme-Adaptive Optics System

Jonas Kühn, Eugene Serabyn, Julien Lozi +11

The vector vortex is a coronagraphic imaging mode of the recently commissioned Subaru Coronagraphic Extreme-Adaptive Optics (SCExAO) platform on the 8-m Subaru Telescope. This mult…

astro-ph.IM2017★ 49 cited

Laboratory measurement of the brighter-fatter effect in an H2RG infrared detector

Andrés A. Plazas, Charles A. Shapiro, R. Smith +2

The "brighter-fatter" (BF) effect is a phenomenon (originally discovered in charge coupled devices) in which the size of the detector point spread function (PSF) increases with bri…

astro-ph.IM2017★ 13 cited

Astrometry with the Wide-Field InfraRed Space Telescope

Robyn E. Sanderson, Andrea Bellini, Stefano Casertano +14

The Wide-Field InfraRed Space Telescope (WFIRST) will be capable of delivering precise astrometry for faint sources over the enormous field of view of its main camera, the Wide-Fie…

astro-ph.IM2017★ 73 cited

Scientific Synergy Between LSST and Euclid

Jason Rhodes, Robert C. Nichol, Éric Aubourg +34

Euclid and the Large Synoptic Survey Telescope (LSST) are poised to dramatically change the astronomy landscape early in the next decade. The combination of high cadence, deep, wid…

astro-ph.IM2017★ 7 cited

Key Science Goals for the Next Generation Very Large Array (ngVLA): Report from the ngVLA Science Advisory Council

Alberto D. Bolatto, Shami Chatterjee, Caitlin M. Casey +20

This document describes some of the fundamental astrophysical problems that require observing capabilities at millimeter- and centimeter wavelengths well beyond those of existing,…

astro-ph.IM2017★ 11 cited

280 GHz Focal Plane Unit Design and Characterization for the SPIDER-2 Suborbital Polarimeter

A. S. Bergman, P. A. R. Ade, S. Akers +76

We describe the construction and characterization of the 280 GHz bolometric focal plane units (FPUs) to be deployed on the second flight of the balloon-borne SPIDER instrument. The…

astro-ph.IM2017★ 27 cited

Design and performance of dual-polarization lumped-element kinetic inductance detectors for millimeter-wave polarimetry

H. McCarrick, G. Jones, B. R. Johnson +11

Lumped-element kinetic inductance detectors (LEKIDs) are an attractive technology for millimeter-wave observations that require large arrays of extremely low-noise detectors. We de…

astro-ph.IM2017★ 14 cited

iPTF Survey for Cool Transients

S. M. Adams, N. Blagorodnova, M. M. Kasliwal +25

We performed a wide-area (2000 deg) g and I band experiment as part of a two month extension to the Intermediate Palomar Transient Factory. We discovered 36 extragalactic tra…

astro-ph.IM2017★ 10 cited

Development of Multi-Chroic MKIDs for Next-Generation CMB Polarization Studies

B. R. Johnson, D. Flanigan, M. H. Abitbol +17

We report on the status of an ongoing effort to develop arrays of horn-coupled, polarization-sensitive microwave kinetic inductance detectors (MKIDs) that are each sensitive to two…

astro-ph.IM2017★ 7 cited

Intensity-Coupled-Polarization in Instruments with a Continuously Rotating Half-Wave Plate

Joy Didier, Amber D. Miller, Derek Araujo +31

We discuss a systematic effect associated with measuring polarization with a continuously rotating half-wave plate. The effect was identified with the data from the E and B Experim…

astro-ph.IM2017★ 87 cited

The Radio Sky at Meter Wavelengths: m-Mode Analysis Imaging with the Owens Valley Long Wavelength Array

Michael W. Eastwood, Marin M. Anderson, Ryan M. Monroe +17

A host of new low-frequency radio telescopes seek to measure the 21-cm transition of neutral hydrogen from the early universe. These telescopes have the potential to directly probe…

astro-ph.IM2017★ 76 cited

How Many Kilonovae Can Be Found in Past, Present, and Future Survey Datasets?

D. Scolnic, R. Kessler, D. Brout +83

The discovery of a kilonova (KN) associated with the Advanced LIGO (aLIGO)/Virgo event GW170817 opens up new avenues of multi-messenger astrophysics. Here, using realistic simulati…

astro-ph.IM2017★ 35 cited

Active correction of aperture discontinuities - optimized stroke minimization II: optimization for future missions

Johan Mazoyer, Laurent Pueyo, Mamadou N'Diaye +5

High-contrast imaging and spectroscopy provide unique constraints for exoplanet formation models as well as for planetary atmosphere models. Instrumentation techniques in this fiel…

astro-ph.IM2017★ 11 cited

Post-processing of the HST STIS coronagraphic observations

Bin Ren, Laurent Pueyo, Marshall D. Perrin +2

In the past 20 years, the Hubble Space Telescope (HST) STIS coronagraphic instrument has observed more than 100 stars, obtaining more than 4,000 readouts since its installment on H…

astro-ph.IM2017★ 3 cited

Simulating the WFIRST coronagraph Integral Field Spectrograph

Maxime J. Rizzo, Tyler D. Groff, Neil T. Zimmerman +12

A primary goal of direct imaging techniques is to spectrally characterize the atmospheres of planets around other stars at extremely high contrast levels. To achieve this goal, cor…

astro-ph.IM2017★ 10 cited

Space Technology for Directly Imaging and Characterizing Exo-Earths

Brendan Crill, Nicholas Siegler

The detection of Earth-like exoplanets in the habitable zone of their stars, and their spectroscopic characterization in a search for biosignatures, requires starlight suppression…

astro-ph.IM2017★ 10 cited

Dynamic tunable notch filters for the Antarctic Impulsive Transient Antenna (ANITA)

P. Allison, O. Banerjee, J. J. Beatty +56

The Antarctic Impulsive Transient Antenna (ANITA) is a NASA long-duration balloon experiment with the primary goal of detecting ultra-high-energy ($>10^{18}\,\mbox{eV}$) neutrinos…

astro-ph.IM2017★ 21 cited

Active correction of aperture discontinuities - optimized stroke minimization I: a new adaptive interaction matrix algorithm

J. Mazoyer, L. Pueyo, M. N'Diaye +7

Future searches for biomarkers on habitable exoplanets will rely on telescope instruments that achieve extremely high contrast at small planet-to-star angular separations. Coronagr…

astro-ph.IM2017★ 5 cited

Visibility Estimation for the CHARA/JouFLU Exozodi Survey

Paul D. Nunez, Theo ten Brummelaar, Bertrand Mennesson +1

We discuss the estimation of the interferometric visibility (fringe contrast) for the exozodi survey conducted at the CHARA array with the JouFLU beam combiner. We investigate the…

astro-ph.IM2017★ 16 cited

bRing: An observatory dedicated to monitoring the Pictoris b Hill sphere transit

R. Stuik, J. I. Bailey, P. Dorval +8

Aims. We describe the design and first light observations from the Pictoris b Ring ("bRing") project. The primary goal is to detect photometric variability from the young star…

astro-ph.IM2017★ 172 cited

Design and characterization of the Large-Aperture Experiment to Detect the Dark Age (LEDA) radiometer systems

D. C. Price, L. J. Greenhill, A. Fialkov +24

The Large-Aperture Experiment to Detect the Dark Age (LEDA) was designed to detect the predicted O(100)mK sky-averaged absorption of the Cosmic Microwave Background by Hydrogen in…

astro-ph.IM2017★ 204 cited

The Carnegie Supernova Project I: Third Photometry Data Release of Low-Redshift Type Ia Supernovae and Other White Dwarf Explosions

Kevin Krisciunas, Carlos Contreras, Christopher R. Burns +27

We present final natural system optical (ugriBV) and near-infrared (YJH) photometry of 134 supernovae (SNe) with probable white dwarf progenitors that were observed in 2004-2009 as…