A hybrid version of the Whipple observatory's air Cherenkov imaging camera for use in moonlight

A hybrid version of the Whipple Observatory's atmospheric Cherenkov imaging camera that permits observation during periods of bright moonlight is described. The hybrid camera combines a blue-light blocking filter with the standard Whipple imaging camera to reduce sensitivity to wavelengths grea...

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Autores principales: Chantell, M.C., Akerlof, C.W., Badran, H.M., Buckley, J., Carter-Lewis, D.A., Cawley, M.F., Connaughton, V., Fegan, D.J., Fleury, P., Gaidos, J., Hillas, A.M., Lamb, R.C., Pare, E., Rose, H.J., Rovero, A.C., Sarazin, X., Sembroski, G., Schubnell, M.S., Urban, M., Weekes, T.C., Wilson, C.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_09276505_v6_n2_p205_Chantell
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling todo:paper_09276505_v6_n2_p205_Chantell2023-10-03T15:47:04Z A hybrid version of the Whipple observatory's air Cherenkov imaging camera for use in moonlight Chantell, M.C. Akerlof, C.W. Badran, H.M. Buckley, J. Carter-Lewis, D.A. Cawley, M.F. Connaughton, V. Fegan, D.J. Fleury, P. Gaidos, J. Hillas, A.M. Lamb, R.C. Pare, E. Rose, H.J. Rovero, A.C. Sarazin, X. Sembroski, G. Schubnell, M.S. Urban, M. Weekes, T.C. Wilson, C. A hybrid version of the Whipple Observatory's atmospheric Cherenkov imaging camera that permits observation during periods of bright moonlight is described. The hybrid camera combines a blue-light blocking filter with the standard Whipple imaging camera to reduce sensitivity to wavelengths greater than 360 nm. Data taken with this camera are found to be free from the effects of the moonlit night-sky after the application of simple off-line noise filtering. This camera has been used to successfully detect TeV gamma rays, in bright moon light, from both the Crab Nebula and the active galactic nucleus Markarian 421 at the 4.9σ and 3.9σ levels of statistical significance, respectively. The energy threshold of the camera is estimated to be 1.1 ( + 0.6/-0.3) TeV from Monte Carlo simulations. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_09276505_v6_n2_p205_Chantell
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description A hybrid version of the Whipple Observatory's atmospheric Cherenkov imaging camera that permits observation during periods of bright moonlight is described. The hybrid camera combines a blue-light blocking filter with the standard Whipple imaging camera to reduce sensitivity to wavelengths greater than 360 nm. Data taken with this camera are found to be free from the effects of the moonlit night-sky after the application of simple off-line noise filtering. This camera has been used to successfully detect TeV gamma rays, in bright moon light, from both the Crab Nebula and the active galactic nucleus Markarian 421 at the 4.9σ and 3.9σ levels of statistical significance, respectively. The energy threshold of the camera is estimated to be 1.1 ( + 0.6/-0.3) TeV from Monte Carlo simulations.
format JOUR
author Chantell, M.C.
Akerlof, C.W.
Badran, H.M.
Buckley, J.
Carter-Lewis, D.A.
Cawley, M.F.
Connaughton, V.
Fegan, D.J.
Fleury, P.
Gaidos, J.
Hillas, A.M.
Lamb, R.C.
Pare, E.
Rose, H.J.
Rovero, A.C.
Sarazin, X.
Sembroski, G.
Schubnell, M.S.
Urban, M.
Weekes, T.C.
Wilson, C.
spellingShingle Chantell, M.C.
Akerlof, C.W.
Badran, H.M.
Buckley, J.
Carter-Lewis, D.A.
Cawley, M.F.
Connaughton, V.
Fegan, D.J.
Fleury, P.
Gaidos, J.
Hillas, A.M.
Lamb, R.C.
Pare, E.
Rose, H.J.
Rovero, A.C.
Sarazin, X.
Sembroski, G.
Schubnell, M.S.
Urban, M.
Weekes, T.C.
Wilson, C.
A hybrid version of the Whipple observatory's air Cherenkov imaging camera for use in moonlight
author_facet Chantell, M.C.
Akerlof, C.W.
Badran, H.M.
Buckley, J.
Carter-Lewis, D.A.
Cawley, M.F.
Connaughton, V.
Fegan, D.J.
Fleury, P.
Gaidos, J.
Hillas, A.M.
Lamb, R.C.
Pare, E.
Rose, H.J.
Rovero, A.C.
Sarazin, X.
Sembroski, G.
Schubnell, M.S.
Urban, M.
Weekes, T.C.
Wilson, C.
author_sort Chantell, M.C.
title A hybrid version of the Whipple observatory's air Cherenkov imaging camera for use in moonlight
title_short A hybrid version of the Whipple observatory's air Cherenkov imaging camera for use in moonlight
title_full A hybrid version of the Whipple observatory's air Cherenkov imaging camera for use in moonlight
title_fullStr A hybrid version of the Whipple observatory's air Cherenkov imaging camera for use in moonlight
title_full_unstemmed A hybrid version of the Whipple observatory's air Cherenkov imaging camera for use in moonlight
title_sort hybrid version of the whipple observatory's air cherenkov imaging camera for use in moonlight
url http://hdl.handle.net/20.500.12110/paper_09276505_v6_n2_p205_Chantell
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