Speckle Interferometry with CMOS Detector ...
In 2022 we carried out an upgrade of the speckle polarimeter (SPP) -- the facility instrument of the 2.5-m telescope of the Caucasian Observatory of the SAI MSU. During the overhaul, CMOS Hamamatsu ORCA-Quest qCMOS C15550-20UP was installed as the main detector, some drawback of the previous version...
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ftdatacite:10.48550/arxiv.2305.00451 2023-06-11T04:15:47+02:00 Speckle Interferometry with CMOS Detector ... Strakhov, I. A. Safonov, B. S. Cheryasov, D. V. 2023 https://dx.doi.org/10.48550/arxiv.2305.00451 https://arxiv.org/abs/2305.00451 unknown arXiv arXiv.org perpetual, non-exclusive license http://arxiv.org/licenses/nonexclusive-distrib/1.0/ Instrumentation and Methods for Astrophysics astro-ph.IM FOS Physical sciences Preprint CreativeWork article Article 2023 ftdatacite https://doi.org/10.48550/arxiv.2305.00451 2023-06-01T11:03:19Z In 2022 we carried out an upgrade of the speckle polarimeter (SPP) -- the facility instrument of the 2.5-m telescope of the Caucasian Observatory of the SAI MSU. During the overhaul, CMOS Hamamatsu ORCA-Quest qCMOS C15550-20UP was installed as the main detector, some drawback of the previous version of the instrument were eliminated. In this paper, we present a description of the instrument, as well as study some features of the CMOS detector and ways to take them into account in speckle interferometric processing. Quantitative comparison of CMOS and EMCCD in the context of speckle interferometry is performed using numerical simulation of the detection process. Speckle interferometric observations of 25 young variable stars are given as an example of astronomical result. It was found that BM And is a binary system with a separation of 273 mas. The variability of the system is dominated by the brightness variations of the main component. A binary system was also found in NSV 16694 (TYC 120-876-1). The ... : 24 pages, 27 figures. Minor style differences with respect to version accepted to Astrophys. Bull. V. 78, no. 2 ... Report Orca DataCite Metadata Store (German National Library of Science and Technology) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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Instrumentation and Methods for Astrophysics astro-ph.IM FOS Physical sciences |
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Instrumentation and Methods for Astrophysics astro-ph.IM FOS Physical sciences Strakhov, I. A. Safonov, B. S. Cheryasov, D. V. Speckle Interferometry with CMOS Detector ... |
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Instrumentation and Methods for Astrophysics astro-ph.IM FOS Physical sciences |
description |
In 2022 we carried out an upgrade of the speckle polarimeter (SPP) -- the facility instrument of the 2.5-m telescope of the Caucasian Observatory of the SAI MSU. During the overhaul, CMOS Hamamatsu ORCA-Quest qCMOS C15550-20UP was installed as the main detector, some drawback of the previous version of the instrument were eliminated. In this paper, we present a description of the instrument, as well as study some features of the CMOS detector and ways to take them into account in speckle interferometric processing. Quantitative comparison of CMOS and EMCCD in the context of speckle interferometry is performed using numerical simulation of the detection process. Speckle interferometric observations of 25 young variable stars are given as an example of astronomical result. It was found that BM And is a binary system with a separation of 273 mas. The variability of the system is dominated by the brightness variations of the main component. A binary system was also found in NSV 16694 (TYC 120-876-1). The ... : 24 pages, 27 figures. Minor style differences with respect to version accepted to Astrophys. Bull. V. 78, no. 2 ... |
format |
Report |
author |
Strakhov, I. A. Safonov, B. S. Cheryasov, D. V. |
author_facet |
Strakhov, I. A. Safonov, B. S. Cheryasov, D. V. |
author_sort |
Strakhov, I. A. |
title |
Speckle Interferometry with CMOS Detector ... |
title_short |
Speckle Interferometry with CMOS Detector ... |
title_full |
Speckle Interferometry with CMOS Detector ... |
title_fullStr |
Speckle Interferometry with CMOS Detector ... |
title_full_unstemmed |
Speckle Interferometry with CMOS Detector ... |
title_sort |
speckle interferometry with cmos detector ... |
publisher |
arXiv |
publishDate |
2023 |
url |
https://dx.doi.org/10.48550/arxiv.2305.00451 https://arxiv.org/abs/2305.00451 |
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Orca |
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Orca |
op_rights |
arXiv.org perpetual, non-exclusive license http://arxiv.org/licenses/nonexclusive-distrib/1.0/ |
op_doi |
https://doi.org/10.48550/arxiv.2305.00451 |
_version_ |
1768372906622976000 |