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Date and Time of the Query: 2019-06-15 T14:48:46 PDT
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For refcode 1995PASJ...47..711K:
Retrieve 18 NED objects in this reference.
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NED Abstract

Copyright by Astronomical Society of Japan. 1995PASJ...47..711K Millimeter-Wave Spectra of Compact Steep-Spectrum Radio Sources Seiji KAMENO and Makoto INOUE National Astronomical Observatory, 2-21-1 Osawa, Mitaka, Tokyo 181 E-mail (SK) kameno@hotaka.mtk.nao.ac.jp Kin'ya MATSUMOTO Kyushu- Tokai University, 9-1-1 Toroku, Kumamoto, Kumamoto 862 Takeshi MIYAJI and Hiroshi MIKOSHIBA Nobeyama Radio Observatory, Minamimaki, Minamisaku, Nagano 384-13 Hiroshi TAKABA, Takahiro IWATA, Yukio TAKAHASHI, and Yasuhiro KOYAMA Kashima Space Research Center, Communications Research Laboratory, 893-1 Hirai, Kashima, Ibaraki 314 NAN Rendong Beijing Astronomical Observatory, Chinese Academy of Sciences, Beijing, China and Richard T. SCHILIZZI Joint Institute for VLBI in Europe, Postbox 2, 7990 AA Dwingeloo, The Netherlands (Received 1995 May 31; accepted 1995 November 7) Abstract We present spectral studies of continuum at millimeter-wavelengths on 18 Compact Steep-Spectrum sources (CSSs). We have carried out VLBI observations with the Kashima-Nobeyama baseline at 22 and 43 GHz, and integrated flux density measurements with the Nobeyama 45-m radio telescope at 22, 43, and 92 GHz. Our results show that (1) the continuous spectra of most CSSs remain steep and straight from cm-wavelengths to mm- wavelength, (2) compact cores are detected in nine CSSs and their spectra are flat, and (3) there is a good correlation between the visibility at 22 GHz and spectral index at mm-wavelengths. A possible explanation of this correlation is a simple two-component model with a flat-spectrum core and steep-spectrum lobes. The detected compact core components have typically > 10^24^ W Hz^-1^ of monochromatic luminosity, which is comparable with flat-spectrum sources. The small contribution of the core in total flux density (<= 36%) of CSSs implies that a large fraction of the emission is derived from extended radio lobes, whose size is larger than the VLBI fringe spacings (~10 pc) but smaller than galactic dimensions (~10 kpc). Key words: Galaxies:active - Interferometry - Quasars - Radio continuum: galaxies
Retrieve 18 NED objects in this reference.
Please click here for ADS abstract

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