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LONG-TERM MONITORING OF BRIGHT BLAZARS WITH A DEDICATED CHERENKOV TELESCOPE.

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Title: LONG-TERM MONITORING OF BRIGHT BLAZARS WITH A DEDICATED CHERENKOV TELESCOPE.
Authors: BACKES, M.1, BECKER, J. K.1, CLEVERMANN, F.1, NEISE, D.1, RHODE, W.1, ROLLKE, S.1, POHL, M.2, RIBORDY, M.3, RENKER, D.4, BRETZ, T.5, MANNHEIM, K.5, BILAND, A.6, BRAUN, I.6, BRITVICH, I.6, COMMICHAU, S. C.6, COMMICHAU, V.6, DORNER, D.6, GRIMM, O.6, VON GUNTEN, H.6, HILDEBRAND, D.6
Source: International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology. Oct2009, Vol. 18 Issue 10, p1645-1649. 5p.
Subjects: Astronomical instruments, Cherenkov radiation, Galactic nuclei, Supermassive black holes, Photons
Geographic Terms: Spain
Abstract: Flaring activity of Active Galactic Nuclei (AGN) in VHE γ-ray astronomy is observed on timescales from minutes to years and can be explained either by the interaction of relativistic jets with the surrounding material or by imprints of the central engine, like temporal modulation caused by binary systems of supermassive black holes. The key to answer those questions lies in combining 24/7 monitoring with short high sensitivity exposures as provided by the third generation γ-ray astronomy instruments like MAGIC, VERITAS and H.E.S.S. The long-term observations can be provided by a global network of small robotic Cherenkov telescopes.1 As a first step, we are currently setting up a dedicated Cherenkov telescope, which will carry out joint observations with the Whipple 10 m telescope for AGN monitoring. The new telescope will be designed for low costs but high performance by upgrading one of the former HEGRA telescopes, still located at the MAGIC site on the Canary Island of La Palma (Spain). The main novelties will be its robotic operation and a novel camera type, resulting in a greatly improved sensitivity and a lower energy threshold. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: LONG-TERM MONITORING OF BRIGHT BLAZARS WITH A DEDICATED CHERENKOV TELESCOPE.
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  Data: <searchLink fieldCode="AR" term="%22BACKES%2C+M%2E%22">BACKES, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22BECKER%2C+J%2E+K%2E%22">BECKER, J. K.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22CLEVERMANN%2C+F%2E%22">CLEVERMANN, F.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22NEISE%2C+D%2E%22">NEISE, D.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22RHODE%2C+W%2E%22">RHODE, W.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22ROLLKE%2C+S%2E%22">ROLLKE, S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22POHL%2C+M%2E%22">POHL, M.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22RIBORDY%2C+M%2E%22">RIBORDY, M.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22RENKER%2C+D%2E%22">RENKER, D.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22BRETZ%2C+T%2E%22">BRETZ, T.</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22MANNHEIM%2C+K%2E%22">MANNHEIM, K.</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22BILAND%2C+A%2E%22">BILAND, A.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22BRAUN%2C+I%2E%22">BRAUN, I.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22BRITVICH%2C+I%2E%22">BRITVICH, I.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22COMMICHAU%2C+S%2E+C%2E%22">COMMICHAU, S. C.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22COMMICHAU%2C+V%2E%22">COMMICHAU, V.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22DORNER%2C+D%2E%22">DORNER, D.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22GRIMM%2C+O%2E%22">GRIMM, O.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22VON+GUNTEN%2C+H%2E%22">VON GUNTEN, H.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22HILDEBRAND%2C+D%2E%22">HILDEBRAND, D.</searchLink><relatesTo>6</relatesTo>
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  Data: <searchLink fieldCode="DE" term="%22Astronomical+instruments%22">Astronomical instruments</searchLink><br /><searchLink fieldCode="DE" term="%22Cherenkov+radiation%22">Cherenkov radiation</searchLink><br /><searchLink fieldCode="DE" term="%22Galactic+nuclei%22">Galactic nuclei</searchLink><br /><searchLink fieldCode="DE" term="%22Supermassive+black+holes%22">Supermassive black holes</searchLink><br /><searchLink fieldCode="DE" term="%22Photons%22">Photons</searchLink>
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  Data: Flaring activity of Active Galactic Nuclei (AGN) in VHE γ-ray astronomy is observed on timescales from minutes to years and can be explained either by the interaction of relativistic jets with the surrounding material or by imprints of the central engine, like temporal modulation caused by binary systems of supermassive black holes. The key to answer those questions lies in combining 24/7 monitoring with short high sensitivity exposures as provided by the third generation γ-ray astronomy instruments like MAGIC, VERITAS and H.E.S.S. The long-term observations can be provided by a global network of small robotic Cherenkov telescopes.1 As a first step, we are currently setting up a dedicated Cherenkov telescope, which will carry out joint observations with the Whipple 10 m telescope for AGN monitoring. The new telescope will be designed for low costs but high performance by upgrading one of the former HEGRA telescopes, still located at the MAGIC site on the Canary Island of La Palma (Spain). The main novelties will be its robotic operation and a novel camera type, resulting in a greatly improved sensitivity and a lower energy threshold. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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