Limits on thermal plasma in the lobes of the radio galaxies 3C 79 and 3C 379. 1

Journal Article · Tue Oct 01 04:00:00 EDT 1985 · Astrophys. J.; (United States)

DOI:https://doi.org/10.1086/163505· OSTI ID:5612744

Spangler, S R; Sakurai, T

An account is given of dual-frequency VLA polarimetric observations of the radio galaxies 3C 79 and 3C 379.1. The observations show remarkably small Faraday rotation gradients across most or all of both sources. The measured rms difference between the 6 and 20 cm polarization position angles is as low as 2 deg for portions of 3C 379.1. The upper limits to the thermal density are approximately 4 x 10 to the -5 per cubic centimeter for both radio galaxies. 19 references.

• Research Organization: Iowa Univ., Iowa City
• OSTI ID: 5612744
• Journal Information: Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 297; ISSN ASJOA
• Country of Publication: United States
• Language: English

Related Subjects

640103* -- Astrophysics & Cosmology-- Quasi-Stellar
Radio
& X-Ray Sources-- (-1987)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COSMIC RADIO SOURCES
FARADAY EFFECT
GALAXIES
HOT PLASMA
MAGNETIC FIELD CONFIGURATIONS
MILKY WAY
MORPHOLOGY
PLASMA
PLASMA DENSITY
RADIO GALAXIES
TEMPERATURE DISTRIBUTION