Astrophysical: BL Lacertae objects

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    Infrared astronomy
    The physics of infrared emission processes is examined, taking into account black body radiation, radiation from dust particles, thermal plasma emission...
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    Infrared properties of blazars: putting the GASP-WEBT sources into context
    The infrared properties of blazars can be studied from the statistical point of view with the help of sky surveys, like that provided by the Wide-field Infrared...
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    Insights into the broadband emission of the TeV blazar Mrk 501 during the first X-ray polarization measurements
    Aims: We present the first multiwavelength study of Mrk 501 that contains simultaneous very-high-energy (VHE) γ-ray observations and X-ray polarization...
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    Insights into the emission of the blazar 1ES 1011+496 through unprecedented broadband observations during 2011 and 2012
    Context. 1ES 1011+496 (z = 0.212) was discovered in very high-energy (VHE, E> 100 GeV) γ rays with MAGIC in 2007. The absence of simultaneous data at lower...
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    Insights into the High-energy γ-ray Emission of Markarian 501 from Extensive Multifrequency Observations in the Fermi Era
    We report on the γ-ray activity of the blazar Mrk 501 during the first 480 days of Fermi operation. We find that the average Large Area Telescope (LAT) γ-ray...
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    Intense blazar activity in the photopolarimetric light curve of OJ 287
    We present a detailed analysis on photopolarimetric monitoring on OJ 287 conducted at the Nordic Optical Telescope during January 1991. Large rapid variations...
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    Internight and intranight variations in the wavelength dependent polarization of OJ 287
    Simultaneous UBVRI photopolarimetric observations of the highly variable BL Lac object OJ 287 have been obtained on six nights. The polarization and position...
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    Investigating the peculiar emission from the new VHE gamma-ray source H1722+119
    The Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) telescopes observed the BL Lac object H1722+119 (redshift unknown) for six consecutive nights between...
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    Investigation of the correlation patterns and the Compton dominance variability of Mrk 421 in 2017
    Aims: We present a detailed characterisation and theoretical interpretation of the broadband emission of the paradigmatic TeV blazar Mrk 421, with a special...