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Lighthouses of the Universe: The Most Luminous Celestial Objects and Their Use for Cosmology pp 286–288Cite as

Study of the BL Lac Object Markarian 501

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Part of the book series: ESO ASTROPHYSICS SYMPOSIA ((ESO))

Abstract.

Due to its low redshift, Markarian 501 is an ideal target to study parsec scale properties of BL Lac objects. Based on multi epoch, multi frequency VLBI and VSOP observations, we present milliarcsecond resolution images of this TeV BL Lac. Inner jet morphology, proper motion and spectral index are discussed in the light of unified models.

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Authors and Affiliations

  1. Istituto di Radioastronomia del CNR, via Gobetti 101, I-40129, Bologna

    Marcello Giroletti & Gabriele Giovannini

  2. Dipartimento di Astronomia dell’Università di Bologna, via Ranzani 1, I-40127

    Marcello Giroletti

  3. Dipartimento di Fisica dell’Università di Bologna, via Berti Pichat 6/2, I-40127

    Gabriele Giovannini

  4. Institute of Space and Astronautical Science, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan

    Philip G. Edwards

Authors
  1. Marcello Giroletti
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  2. Gabriele Giovannini
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  3. Philip G. Edwards
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Editor information

Marat Gilfanov Rashid Sunyeav Eugene Churazov

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Giroletti, M., Giovannini, G., Edwards, P.G. Study of the BL Lac Object Markarian 501. In: Gilfanov, M., Sunyeav, R., Churazov, E. (eds) Lighthouses of the Universe: The Most Luminous Celestial Objects and Their Use for Cosmology. ESO ASTROPHYSICS SYMPOSIA. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10856495_41

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  • DOI: https://doi.org/10.1007/10856495_41

  • Published:

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-43769-7

  • Online ISBN: 978-3-540-48014-3

  • eBook Packages: Springer Book Archive

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