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HST observations of 3C 66B - A double-stranded optical jetThe central region of the synchrotron jet in 3C 66B imaged with ultrahigh spatial resolution by the Faint Object Camera on the HST is discussed. A close correspondence between the general characteristics of the smoothed optical image and the radio map is observed, implying that the young and old relativistic particles occupy similar regions to within about 130 pc. Focus is placed on the double-stranded filamentary nature of the jet, and it is speculated that this could reflect edge-brightening effects due to enhanced radiation from a skinlike structure surrounding the jet. It is noted that the similarity of optical and radio morphologies points to the fact that localized particle acceleration occurs along the jet; however, the filamentary structure and a low filling factor of radiation agree with a model in which the electrons are accelerated within the nucleus and are transported along the jet in a channel having low magnetic field.
Document ID
19910054020
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Macchetto, F.
(Space Telescope Science Institute, Baltimore, MD; ESTEC Noordwijk, Netherlands)
Albrecht, R.
(ESA, Space Telescope European Coordinating Facility, Garching, Federal Republic of Germany; ESTEC Noordwijk, Netherlands)
Barbieri, C.
(Osservatorio Astronomico Padua, Italy)
Blades, J. C.
(Space Telescope Science Institute Baltimore, MD, United States)
Boksenberg, A.
(Royal Greenwich Observatory Cambridge, United Kingdom)
Date Acquired
August 15, 2013
Publication Date
June 1, 1991
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters
Volume: 373
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
91A38643
Funding Number(s)
CONTRACT_GRANT: NAS5-27760
CONTRACT_GRANT: NAS5-26555
CONTRACT_GRANT: ESA-6500/89/NL/SK
CONTRACT_GRANT: NAS5-28086
Distribution Limits
Public
Copyright
Other

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