output
19912026
Showing 2012 · astro-ph.IMShow all

49 papers · 2 filters

astro-ph.IM2012★ 28 cited

Development of Lumped Element Kinetic Inductance Detectors for NIKA

M. Roesch, A. Benoit, A. Bideaud +10

Lumped-element kinetic inductance detectors(LEKIDs) have recently shown considerable promise as direct absorption mm-wavelength detectors for astronomical applications. One major r…

astro-ph.IM2012★ 19 cited

Scientific verification of Faraday Rotation Modulators: Detection of diffuse polarized Galactic emission

S. Moyerman, E. Bierman, P. A. R. Ade +28

The design and performance of a wide bandwidth linear polarization modulator based on the Faraday effect is described. Faraday Rotation Modulators (FRMs) are solid-state polarizati…

astro-ph.IM2012★ 76 cited

A Lunar L2-Farside Exploration and Science Mission Concept with the Orion Multi-Purpose Crew Vehicle and a Teleoperated Lander/Rover

Jack O. Burns, David A. Kring, Joshua B. Hopkins +3

A novel concept is presented in this paper for a human mission to the lunar L2 (Lagrange) point that would be a proving ground for future exploration missions to deep space while a…

astro-ph.IM2012★ 49 cited

MKID development for SuperSpec: an on-chip, mm-wave, filter-bank spectrometer

Erik Shirokoff, Peter S. Barry, Charles M. Bradford +16

SuperSpec is an ultra-compact spectrometer-on-a-chip for millimeter and submillimeter wavelength astronomy. Its very small size, wide spectral bandwidth, and highly multiplexed rea…

astro-ph.IM2012★ 31 cited

SuperSpec: design concept and circuit simulations

Attila Kovács, Peter S. Barry, Charles M. Bradford +14

SuperSpec is a pathfinder for future lithographic spectrometer cameras, which promise to energize extra-galactic astrophysics at (sub)millimeter wavelengths: delivering 200--500 km…

astro-ph.IM2012★ 40 cited

Status of MUSIC, the MUltiwavelength Sub/millimeter Inductance Camera

Sunil R. Golwala, Clint Bockstiegel, Spencer Brugger +21

We present the status of MUSIC, the MUltiwavelength Sub/millimeter Inductance Camera, a new instrument for the Caltech Submillimeter Observatory. MUSIC is designed to have a 14', d…

astro-ph.IM2012★ 30 cited

MAKO: a pathfinder instrument for on-sky demonstration of low-cost 350 micron imaging arrays

Loren J. Swenson, Peter K. Day, Charles D. Dowell +10

Submillimeter cameras now have up to pixels (SCUBA 2). The proposed CCAT 25-meter submillimeter telescope will feature a 1 degree field-of-view. Populating the focal plane a…

astro-ph.IM2012★ 509 cited

The Parkes Pulsar Timing Array Project

R. N. Manchester, G. Hobbs, M. Bailes +28

A "pulsar timing array" (PTA), in which observations of a large sample of pulsars spread across the celestial sphere are combined, allows investigation of "global" phenomena such a…

astro-ph.IM2012★ 11 cited

Developments in high-density Cobra fiber positioners for the Subaru Telescope's Prime Focus Spectrograph

Charles D. Fisher, David F. Braun, Joel V. Kaluzny +4

The Prime Focus Spectrograph (PFS) is a fiber fed multi-object spectrometer for the Subaru Telescope that will conduct a variety of targeted surveys for studies of dark energy, gal…

astro-ph.IM2012★ 21 cited

The metrology cameras for Subaru PFS and FMOS

Shiang-Yu Wang, Yen-Shan Hu, Chi-Hung Yan +11

The Prime Focus Spectrograph (PFS) is a new multi-fiber spectrograph on Subaru telescope. PFS will cover around 1.4 degree diameter field with ~2400 fibers. To ensure precise posit…

astro-ph.IM2012★ 21 cited

Prime Focus Spectrograph - Subaru's future -

Hajime Sugai, Hiroshi Karoji, Naruhisa Takato +51

The Prime Focus Spectrograph (PFS) of the Subaru Measurement of Images and Redshifts (SuMIRe) project has been endorsed by Japanese community as one of the main future instruments…

astro-ph.IM2012★ 113 cited

Defining a weak lensing experiment in space

Mark Cropper, Henk Hoekstra, Thomas Kitching +9

This paper describes the definition of a typical next-generation space-based weak gravitational lensing experiment. We first adopt a set of top-level science requirements from the…

astro-ph.IM2012★ 65 cited

A wide-band, active antenna system for long wavelength radio astronomy

Brian C. Hicks, Nagini Paravastu-Dalal, Kenneth P. Stewart +9

We describe an "active" antenna system for HF/VHF (long wavelength) radio astronomy that has been successfully deployed 256-fold as the first station (LWA1) of the planned Long Wav…

astro-ph.IM2012★ 11 cited

Flashes in a Star Stream: Automated Classification of Astronomical Transient Events

S. G. Djorgovski, A. A. Mahabal, C. Donalek +4

An automated, rapid classification of transient events detected in the modern synoptic sky surveys is essential for their scientific utility and effective follow-up using scarce re…

astro-ph.IM2012★ 62 cited

New Techniques for High-Contrast Imaging with ADI: the ACORNS-ADI SEEDS Data Reduction Pipeline

Timothy D. Brandt, Michael W. McElwain, Edwin L. Turner +44

We describe Algorithms for Calibration, Optimized Registration, and Nulling the Star in Angular Differential Imaging (ACORNS-ADI), a new, parallelized software package to reduce hi…

astro-ph.IM2012★ 2 cited

SDAI: a key piece of software to manage the new wideband backend at Robledo

J. R. Rizzo, M. Gutiérrez Bustos, T. B. H. Kuiper +3

A joint collaborative project was recently developed to provide the Madrid Deep Space Communications Complex with a state-of-the-art wideband backend. This new backend provides fro…

astro-ph.IM2012★ 1 cited

An experimental testbed for NEAT to demonstrate micro-pixel accuracy

A. Crouzier, F. Malbet, O. Preis +10

NEAT is an astrometric mission proposed to ESA with the objectives of detecting Earth-like exoplanets in the habitable zone of nearby solar-type stars. In NEAT, one fundamental asp…

astro-ph.IM2012★ 187 cited

Development of a pulsar-based timescale

G. Hobbs, W. Coles, R. N. Manchester +21

Using observations of pulsars from the Parkes Pulsar Timing Array (PPTA) project we develop the first pulsar-based timescale that has a precision comparable to the uncertainties in…

astro-ph.IM2012★ 39 cited

ASTRA: ASTrometry and phase-Referencing Astronomy on the Keck interferometer

J. Woillez, R. Akeson, M. Colavita +24

ASTRA (ASTrometric and phase-Referencing Astronomy) is an upgrade to the existing Keck Interferometer which aims at providing new self-phase referencing (high spectral resolution o…

astro-ph.IM2012★ 18 cited

Antenna-coupled TES bolometers for the Keck Array, Spider, and Polar-1

R. O'Brient, P. A. R. Ade, Z. Ahmed +50

Between the BICEP2 and Keck Array experiments, we have deployed over 1500 dual polarized antenna coupled bolometers to map the Cosmic Microwave Background's polarization. We have b…

astro-ph.IM2012★ 17 cited

Optimization and sensitivity of the Keck Array

S. Kernasovskiy, P. A. R. Ade, R. W. Aikin +41

The Keck Array (SPUD) began observing the cosmic microwave background's polarization in the winter of 2011 at the South Pole. The Keck Array follows the success of the predecessor…

astro-ph.IM2012★ 8 cited

Optical Characterization of the Keck Array Polarimeter at the South Pole

A. G. Vieregg, P. A. R. Ade, R. Aikin +37

The Keck Array (SPUD) is a set of microwave polarimeters that observes from the South Pole at degree angular scales in search of a signature of Inflation imprinted as B-mode polari…

astro-ph.IM2012★ 21 cited

BICEP2 and Keck Array operational overview and status of observations

R. W. Ogburn, P. A. R. Ade, R. W. Aikin +50

The BICEP2 and Keck Array experiments are designed to measure the polarization of the cosmic microwave background (CMB) on angular scales of 2-4 degrees (l=50-100). This is the reg…

astro-ph.IM2012★ 23 cited

A coherent polarimeter array for the Large Scale Polarization Explorer balloon experiment

M. Bersanelli, A. Mennella, G. Morgante +43

We discuss the design and expected performance of STRIP (STRatospheric Italian Polarimeter), an array of coherent receivers designed to fly on board the LSPE (Large Scale Polarizat…