Kyne, Gillian and Hamden, Erika T. and Lingner, Nicole and Morrissey, Patrick and Nikzad, Shouleh and Martin, D. Christopher (2016) The faint intergalactic-medium red-shifted emission balloon: future UV observations with EMCCDs. In: High Energy, Optical, and Infrared Detectors for Astronomy VII. Proceedings of SPIE. No.9915. Society of Photo-Optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 991507. ISBN 978-1-5106-0209-0. https://resolver.caltech.edu/CaltechAUTHORS:20161116-094042789
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Abstract
We present the latest developments in our joint NASA/CNES suborbital project. This project is a balloon-borne UV multi-object spectrograph, which has been designed to detect faint emission from the circumgalactic medium (CGM) around low redshift galaxies. One major change from FIREBall-1 has been the use of a delta-doped Electron Multiplying CCD (EMCCD). EMCCDs can be used in photon-counting (PC) mode to achieve extremely low readout noise (¡ 1e-). Our testing initially focused on reducing clock-induced-charge (CIC) through wave shaping and well depth optimisation with the CCD Controller for Counting Photons (CCCP) from Nüvü. This optimisation also includes methods for reducing dark current, via cooling and substrate voltage adjustment. We present result of laboratory noise measurements including dark current. Furthermore, we will briefly present some initial results from our first set of on-sky observations using a delta-doped EMCCD on the 200 inch telescope at Palomar using the Palomar Cosmic Web Imager (PCWI).
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| Additional Information: | © 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). The research was carried out in part at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with NASA. This work was partially supported by KISS, the W. M. Keck Institute for Space Studies, and by NASA Headquarters under NASA Grant NNX12AF29G. | |||||||||
| Group: | Keck Institute for Space Studies, Space Astrophysics Laboratory | |||||||||
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| Subject Keywords: | astronomical instrumentation, EMCCD, UV, dark current, CIC, photon counting | |||||||||
| Series Name: | Proceedings of SPIE | |||||||||
| Issue or Number: | 9915 | |||||||||
| DOI: | 10.1117/12.2232879 | |||||||||
| Record Number: | CaltechAUTHORS:20161116-094042789 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20161116-094042789 | |||||||||
| Official Citation: | Gillian Kyne ; Erika T. Hamden ; Nicole Lingner ; Patrick Morrissey ; Shouleh Nikzad ; D. Christopher Martin; The faint intergalactic-medium red-shifted emission balloon: future UV observations with EMCCDs. Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 991507 (August 5, 2016); doi:10.1117/12.2232879. | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 72048 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 17 Nov 2016 17:05 | |||||||||
| Last Modified: | 11 Nov 2021 04:55 |
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