The Circular Polarization of Sagittarius A at Submillimeter Wavelengths

We report the first detections of circularly polarized emission at submillimeter wavelengths from the compact radio source and supermassive black hole candidate Sgr A* at a level of 1.2% + or - 0.3% at 1.3 mm wavelength (230 GHz) and 1.6% + or - 0.3% at 860 mu m (345 GHz) with the same handedness, l...

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Vydáno v:	The Astrophysical journal Ročník 745; číslo 2; s. 115 - 14
Hlavní autoři:	Muñoz, D. J, Marrone, D. P, Moran, J. M, Rao, R
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Bristol IOP Publishing 01.02.2012 IOP
Témata:	APPROXIMATIONS Arrays Astronomy ASTROPHYSICS, COSMOLOGY AND ASTRONOMY BLACK HOLES Circular polarization Circularity Conversion Earth, ocean, space Exact sciences and technology FARADAY EFFECT FLUX DENSITY GALAXIES Handedness Liquid crystal polymers MAGNETIC FIELDS PHASE SHIFT POLARIZATION QUASARS RELATIVISTIC RANGE Wavelengths Quasars plasmas Galaxies Circular polarization Black holes Compact radiosource Supermassive black hole Galaxy: center Relativistic plasma Sufficient condition Flux density black hole physics submillimeter: general Faraday effect Cosmic radio sources Cosmology Linear polarization polarization Event horizon Magnetic fields techniques: interferometric
ISSN:	0004-637X, 1538-4357
On-line přístup:	Získat plný text
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