Search Results - "Barthel, Peter D"

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  1. 1

    An insight into the extragalactic transient and variable microJy radio sky across multiple decades by Radcliffe, Jack F, Beswick, Robert J, Thomson, A P, Garrett, Michael A, Barthel, Peter D, Muxlow, Thomas W B

    “…ABSTRACT The mJy variable extragalactic radio sky is known to be broadly non-changing with approximately $3{{\ \rm per\ cent}}$ of persistent radio sources…”
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    Journal Article
  2. 2

    1245+676 — A CSO/GPS Source being an Extreme Case of a Double-Double Structure by Marecki, Andrzej, Barthel, Peter D., Polatidis, Antonis, Owsianik, Izabela

    “…AGN with the so-called 'double-double' radio structure have been interpreted as restarted AGN where the inner structure is a manifestation of a new phase of…”
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    Journal Article
  3. 3

    Associated Absorption in Radio Quasars. I. C IV Absorption and the Growth of Radio Sources by Baker, Joanne C, Hunstead, Richard W, Athreya, Ramana M, Barthel, Peter D, de Silva, Eric, Lehnert, Matthew D, Saunders, Richard D. E

    Published in The Astrophysical journal (01-04-2002)
    “…We assess the global properties of associated C IV λλ1548, 1550 absorption lines measured in the spectra of radio-loud quasars drawn from a near-complete,…”
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    Journal Article
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    Infrared-detected AGNs in the Local Universe by İkiz, Tuba, Peletier, Reynier F, Barthel, Peter D, Yeşilyaprak, Cahit

    Published 16-06-2020
    “…A&A 640, A68 (2020) Spitzer/IRAC color selection is a promising technique to identify hot accreting nuclei, that is to say AGN, in galaxies. We demonstrate…”
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    Journal Article
  7. 7

    An insight into the extragalactic transient and variable microJy radio sky across multiple decades by Radcliffe, Jack F, Beswick, Robert. J, Thomson, A. P, Garrett, Michael A, Barthel, Peter D, Muxlow, Thomas W. B

    Published 27-09-2019
    “…The mJy variable extragalactic radio sky is known to be broadly non-changing with approximately $3\%$ of persistent radio sources exhibiting variability which…”
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    Journal Article
  8. 8

    1245+676 - a CSO/GPS source being an extreme case of a double-double structure by Marecki, Andrzej, Barthel, Peter D, Polatidis, Antonis, Owsianik, Izabela

    Published 11-09-2002
    “…AGN with the so-called `double-double' radio structure have been interpreted as restarted AGN where the inner structure is a manifestation of a new phase of…”
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    Journal Article
  9. 9

    The Radio Properties of Composite LINER/HII Galaxies by Filho, Mercedes E, Barthel, Peter D, Ho, Luis C

    Published 14-05-2002
    “…Astrophys.J.Suppl. 142 (2002) 223-238; Erratum-ibid. 144 (2002) 211 Arcsec-resolution VLA observations -- newly obtained as well as published -- of 40 nearby…”
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    Journal Article
  10. 10

    Light-year Scale Radio Cores in Four LINER Galaxies by Filho, Mercedes E, Barthel, Peter D, Ho, Luis C

    Published 30-01-2002
    “…The LINER galaxies NGC 2911, NGC 3079, NGC 3998, and NGC 6500 were observed at 5 GHz with the European VLBI Network at a resolution of 5 milliarcsecond and…”
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    Journal Article
  11. 11

    ISOPHOT observations of 3CR quasars and radio galaxies by van Bemmel, Ilse M, Barthel, Peter D, de Graauw, Thijs

    Published 09-05-2000
    “…A&A 359, 523 (2000) In order to check for consistency with the radio-loud AGN unification scheme, ISOPHOT data obtained for two small sets of intermediate…”
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    Journal Article
  12. 12

    The Nature of Composite LINER/HII Galaxies, As Revealed from High-Resolution VLA Observations by Filho, Mercedes E, Barthel, Peter D, Ho, Luis C

    Published 22-02-2000
    “…Astrophys.J.Suppl. 129 (2000) 93-110 A sample of 37 nearby galaxies displaying composite LINER/HII and pure HII spectra was observed with the VLA in an…”
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    Journal Article
  13. 13

    Radio imaging of core-dominated high redshift quasars by Barthel, Peter D, Vestergaard, Marianne, Lonsdale, Colin J

    Published 25-11-1999
    “…VLA imaging at kiloparsec-scale resolution of sixteen core-dominated radio-loud QSOs is presented. Many objects appear to display variable radio emission and…”
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    Journal Article
  14. 14

    Infrared emission from radio-loud active nuclei by van Bemmel, Ilse M, Barthel, Peter D, de Graauw, Thijs

    Published 09-02-1999
    “…In order to test the unification scheme for double-lobed radio sources, the far-infrared properties of matched samples of radio-galaxies and radio-loud quasars…”
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    Journal Article
  15. 15

    Nature of 60 micron emission in 3C47, 3C207 and 3C334 by van Bemmel, Ilse M, Barthel, Peter D, Yun, Min S

    Published 18-03-1998
    “…Astron.Astrophys. 334 (1998) 779 We try to explain the unusually high far-infrared emission seen by IRAS in the double-lobed radio-loud quasars 3C47, 3C207 and…”
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    Journal Article
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