Interferometric observations of magnetic fields in forming stars

CLH Hull, Q Zhang - Frontiers in Astronomy and Space Sciences, 2019 - frontiersin.org
The magnetic field is a key ingredient in the recipe of star formation. However, the
importance of the magnetic field in the early stages of the formation of low-and high-mass …

The large APEX bolometer camera LABOCA

G Siringo, E Kreysa, A Kovács, F Schuller… - Astronomy & …, 2009 - aanda.org
The Large APEX BOlometer CAmera, LABOCA, has been commissioned for operation as a
new facility instrument at the Atacama Pathfinder Experiment 12 m submillimeter telescope …

On the radiation driven alignment of dust grains: Detection of the polarization hole in a starless core

FO Alves, P Frau, JM Girart, GAP Franco… - Astronomy & …, 2014 - aanda.org
Aims. We aim to investigate the polarization properties of a starless core in an early
evolutionary stage. Linear polarization data reveal the properties of the dust grains in the …

Properties of a variable-delay polarization modulator

DT Chuss, EJ Wollack, R Henry, H Hui, AJ Juarez… - Applied Optics, 2012 - opg.optica.org
We investigate the polarization modulation properties of a variable-delay polarization
modulator (VPM). The VPM modulates polarization via a variable separation between a …

Far-infrared polarimetry from the Stratospheric Observatory for Infrared Astronomy

JE Vaillancourt, DT Chuss, RM Crutcher… - Infrared …, 2007 - spiedigitallibrary.org
Multi-wavelength imaging polarimetry at far-infrared wavelengths has proven to be an
excellent tool for studying the physical properties of dust, molecular clouds, and magnetic …

HAWCPol: a first-generation far-infrared polarimeter for SOFIA

CD Dowell, BT Cook, D Al Harper… - Ground-based and …, 2010 - spiedigitallibrary.org
We describe our ongoing project to build a far-infrared polarimeter for the HAWC instrument
on SOFIA. Far-IR polarimetry reveals unique information about magnetic fields in dusty …

Multi-octave metamaterial reflective half-wave plate for millimeter and sub-millimeter wave applications

G Pisano, B Maffei, PAR Ade, P De Bernardis… - Applied Optics, 2016 - opg.optica.org
The quasi-optical modulation of linear polarization at millimeter and sub-millimeter
wavelengths can be achieved by using rotating half-wave plates (HWPs) in front of …

Submillimeter Polarimetry with PolKa, a reflection-type modulator for the APEX telescope

H Wiesemeyer, T Hezareh, E Kreysa… - Publications of the …, 2014 - iopscience.iop.org
Imaging polarimetry is an important tool for the study of cosmic magnetic fields. In our
Galaxy, polarization levels of a few up to∼ 10% are measured in the submillimeter dust …

Distortion of magnetic fields in a starless core. vi. application of flux freezing model and core formation of fest 1–457

R Kandori, K Tomisaka, M Saito… - The Astrophysical …, 2020 - iopscience.iop.org
Observational data for the hourglass-like magnetic field toward the starless dense core FeSt
1–457 were compared with a flux freezing magnetic field model. Fitting of the observed …

Non-Zeeman circular polarization of CO rotational lines in SNR IC 443

T Hezareh, H Wiesemeyer, M Houde, A Gusdorf… - Astronomy & …, 2013 - aanda.org
Context. We study interstellar magnetic fields by measuring the polarization in molecular
spectral lines and thermal emission of dust. Aims. We report detection of non-Zeeman …