Are BL Lac objects too large to be gravitationally lensed?
| ISSN: |
1476-4687
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| Source: |
Nature Archives 1869 - 2009
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| Topics: |
Biology
Chemistry and Pharmacology
Medicine
Natural Sciences in General
Physics
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| Notes: |
[Auszug] BL Lac objects are characterized by strong, flat-spectrum radio emission, steep optical/infrared spectra, an absence of (or very weak) emission lines, high polarization and large-amplitude variability on short timescales at all wavelenghts from radio through to X-rays. The redshift (z) ...
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| Type of Medium: |
Electronic Resource
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| URL: |