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Title: Fringing in MonoCam Y4 filter images

Abstract

Here, we study the fringing patterns observed in MonoCam, a camera with a single Large Synoptic Survey Telescope (LSST) CCD sensor. Images were taken at the U.S. Naval Observatory in Flagstaff, Arizona (NOFS) employing its 1.3 m telescope and an LSST y4 filter. Fringing occurs due to the reflection of infrared light (700 nm or larger) from the bottom surface of the CCD which constructively or destructively interferes with the incident light to produce a net "fringe" pattern which is superimposed on all images taken. Emission lines from the atmosphere, dominated by hydroxyl (OH) spectra, can change in their relative intensities as the night goes on, producing different fringe patterns in the images taken. We found through several methods that the general shape of the fringe patterns remained constant, though with slight changes in the amplitude and phase of the fringes. Lastly, we also found that a superposition of fringes from two monochromatic lines taken in the lab offered a reasonable description of the sky data.

Authors:
 [1];  [2];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Princeton Univ., NJ (United States). Dept. of Astrophysical Sciences
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Office of Science (SC), Workforce Development for Teachers and Scientists (WDTS)
OSTI Identifier:
1362158
Report Number(s):
BNL-113909-2017-JA
Journal ID: ISSN 1748-0221
Grant/Contract Number:  
SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Instrumentation
Additional Journal Information:
Journal Volume: 12; Journal Issue: 05; Conference: Precision Astronomy with Fully Depleted CCDs, Upton, NY (United States), 01-02 Dec 2016; Journal ID: ISSN 1748-0221
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; Analysis and statistical methods; Photon detectors for UV, visible and IR photons (solid-state) (PIN diodes, APDs, Si-PMTs, G-APDs, CCDs, EBCCDs, EMCCDs etc)

Citation Formats

Brooks, J., Fisher-Levine, M., and Nomerotski, A. Fringing in MonoCam Y4 filter images. United States: N. p., 2017. Web. doi:10.1088/1748-0221/12/05/C05003.
Brooks, J., Fisher-Levine, M., & Nomerotski, A. Fringing in MonoCam Y4 filter images. United States. https://doi.org/10.1088/1748-0221/12/05/C05003
Brooks, J., Fisher-Levine, M., and Nomerotski, A. Fri . "Fringing in MonoCam Y4 filter images". United States. https://doi.org/10.1088/1748-0221/12/05/C05003. https://www.osti.gov/servlets/purl/1362158.
@article{osti_1362158,
title = {Fringing in MonoCam Y4 filter images},
author = {Brooks, J. and Fisher-Levine, M. and Nomerotski, A.},
abstractNote = {Here, we study the fringing patterns observed in MonoCam, a camera with a single Large Synoptic Survey Telescope (LSST) CCD sensor. Images were taken at the U.S. Naval Observatory in Flagstaff, Arizona (NOFS) employing its 1.3 m telescope and an LSST y4 filter. Fringing occurs due to the reflection of infrared light (700 nm or larger) from the bottom surface of the CCD which constructively or destructively interferes with the incident light to produce a net "fringe" pattern which is superimposed on all images taken. Emission lines from the atmosphere, dominated by hydroxyl (OH) spectra, can change in their relative intensities as the night goes on, producing different fringe patterns in the images taken. We found through several methods that the general shape of the fringe patterns remained constant, though with slight changes in the amplitude and phase of the fringes. Lastly, we also found that a superposition of fringes from two monochromatic lines taken in the lab offered a reasonable description of the sky data.},
doi = {10.1088/1748-0221/12/05/C05003},
journal = {Journal of Instrumentation},
number = 05,
volume = 12,
place = {United States},
year = {2017},
month = {5}
}

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