Design for the First Narrowband Filter for the Dark Energy Camera: Optimizing the LAGER Survey for z ∼ 7 Galaxies

dc.contributor.authorZheng, Zhen-Ya
dc.contributor.authorRhoads, James E.
dc.contributor.authorWang, Jun-Xian
dc.contributor.authorMalhotra, Sangeeta
dc.contributor.authorWalker, Alistair
dc.contributor.authorMooney, Thomas
dc.contributor.authorJiang, Chunyan
dc.contributor.authorHu, Weida
dc.contributor.authorHibon, Pascale
dc.contributor.authorJiang, Linhua
dc.contributor.authorInfante, Leopoldo
dc.contributor.authorBarrientos, L. Felipe
dc.contributor.authorGalaz, Gaspar
dc.contributor.authorValdes, Francisco
dc.contributor.authorWester, William
dc.contributor.authorYang, Huan
dc.contributor.authorCoughlin, Alicia
dc.contributor.authorHarish, Santosh
dc.contributor.authorKang, Wenyong
dc.contributor.authorKhostovan, Ali Ahmad
dc.contributor.authorKong, Xu
dc.contributor.authorPerez, Lucia A.
dc.contributor.authorPharo, John
dc.contributor.authorWold, Isak
dc.contributor.authorZheng, XianZhong
dc.date.accessioned2023-05-19T20:46:24Z
dc.date.available2023-05-19T20:46:24Z
dc.date.issued2019
dc.description.abstractWe present the design for the first narrowband filter, NB964, for the Dark Energy Camera (DECam), which is operated on the 4-m Blanco Telescope at the Cerro Tololo Inter-American Observatory. The NB964 filter profile is essentially defined by maximizing the power of searching for Lyman-alpha emitting galaxies (LAEs) in the epoch of reionization, with the consideration of the night sky background in the near-infrared and the DECam quantum efficiency. The NB964 filter was manufactured by Materion in 2015. It has a central wavelength of 964.2 nm and a full width at half maximum (FWHM) of 9.2 nm. An NB964 survey named Lyman Alpha Galaxies in the Epoch of Reionization (LAGER) has been ongoing since December 2015. Here, we report results of lab tests, on-site tests, and observations with the NB964 filter. The excellent performances of this filter ensure that the LAGER project is able to detect LAEs at z similar to 7 with a high efficiency.
dc.fuente.origenORCID-mayo23
dc.identifier.doi10.1088/1538-3873/ab1c32
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/69777
dc.language.isoen
dc.rightsacceso restringido
dc.titleDesign for the First Narrowband Filter for the Dark Energy Camera: Optimizing the LAGER Survey for z ∼ 7 Galaxieses_ES
dc.typeartículo
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