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  • Wiley  (2)
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  • Online Resource  (2)
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  • 1
    Online Resource
    Online Resource
    Nature of radio feature formed by re‐started jet activity in 3C 84 and its relation with γ ‐ray emissions
    Wiley ; 2016
    In:  Astronomische Nachrichten Vol. 337, No. 1-2 ( 2016-02), p. 69-72
    Details
    In: Astronomische Nachrichten, Wiley, Vol. 337, No. 1-2 ( 2016-02), p. 69-72
    Abstract: Re‐started jet activity occurred in the bright nearby radio source 3C 84 in about 2005. The re‐started jet is forming a prominent component (namely C3) at the tip of jet. The component has showed an increase in radio flux density for more than 7 years while the radio spectrum remains optically thin. This suggests that the component is the head of a radio lobe including a hotspot where the particle acceleration occurs. Thus, 3C 84 is a unique laboratory to study the physical properties at the very early stage of radio source evolution. Another important aspect is that high energy and very high energy γ ‐ray emissions are detected from this source. The quest for the site of γ ‐ray emission is quite important to obtain a better understanding of γ ‐ray emission mechanisms in radio galaxies. In this paper, we review the observational results from very long baseline interferometry (VLBI) monitoring of 3C 84 reported in series of our previous papers. We argue the nature of re‐started jet/radio lobe and its relation with high‐energy emission. (© 2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
    Type of Medium: Online Resource
    ISSN: 0004-6337 , 1521-3994
    URL: Issue
    URL: Article
    DOI: 10.1002/asna.v337.1/2
    DOI: 10.1002/asna.201512267
    Language: English
    Publisher: Wiley
    Publication Date: 2016
    detail.hit.zdb_id: 2025762-4
    detail.hit.zdb_id: 2171222-0
    SSG: 16,12
    Location Call Number Limitation Availability
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    Online Resource
  • 2
    Online Resource
    Online Resource
    The Fermi ‐LAT view of young radio sources
    Wiley ; 2016
    In:  Astronomische Nachrichten Vol. 337, No. 1-2 ( 2016-02), p. 59-64
    Details
    In: Astronomische Nachrichten, Wiley, Vol. 337, No. 1-2 ( 2016-02), p. 59-64
    Abstract: Compact Symmetric Objects (CSO) are considered to be the young version of Fanaroff‐Riley type I and type II radio galaxies, with typical sizes smaller than 1 kpc and ages of the order of a few thousand years. Before the launch of the Fermi satellite, young radio sources were predicted to emerge as a possible new y‐ray emitting population detectable by the Large Area Telescope (LAT). After more than 6 years of Fermi operation, the question of young radio sources as y‐ray emitting objects still remains open. In this contribution, we discuss candidate y‐ray emitting CSO and future perspective for detecting young radio sources with Fermi ‐LAT. (© 2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
    Type of Medium: Online Resource
    ISSN: 0004-6337 , 1521-3994
    URL: Issue
    URL: Article
    DOI: 10.1002/asna.v337.1/2
    DOI: 10.1002/asna.201512265
    Language: English
    Publisher: Wiley
    Publication Date: 2016
    detail.hit.zdb_id: 2025762-4
    detail.hit.zdb_id: 2171222-0
    SSG: 16,12
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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