Osiris ohsuppressing infrared integral field spectrograph is an integral field spectrograph for the keck i telescope in hawaii. Quicklook is the osiris image analysis software used at keck while. Osiris is a nearinfrared integral field spectrograph designed for the keck adaptive optics system. Integralfield spectroscopy at the resolution limit of. Ohsuppressing infrared integral field spectrograph. Osiris oh suppressing infrared integral field spectrograph is an integral field spectrograph for the keck i telescope in hawaii. Instrument design and performance for opticalinfrared groundbased telescopes editors.
Integral field spectroscopy ifs has become an important subdiscipline of astronomy with the proliferation of large aperture, highresolution telescopes where there is a need to study the spectra of extended objects as a function of position, or of clusters of many discrete stars or point sources in a small field. The wide integralfield infrared spectrograph will sample a field of view. Instrument design and performance for opticalinfrared ground. As such, it combines the capabilities of a traditional spectrograph and a regular imaging camera. Instrument design and performance for opticalinfrared. For each point a spectrum is created, covering the optical and near infrared. Download citation integralfield spectroscopy at the resolution limit of large telescopes. A spectrograph is an instrument used to obtain and record an astronomical spectrum.
Nasa technical reports server ntrs miller, glenn e johnston, mark d hanisch, robert j. Development of the muse integralfield spectrograph english. Concept and realization of the integral field spectrograph tiger. We also include in our sample three galaxies observed with the oh suppressing infrared integral field spectrograph osiris. Osiris is an integral field spectrograph designed to work with the keck adaptive optics system. Osiris will provide moderate spectral resolution r3800, and full broadband z, j, h, and k spectral coverage at over spatial locations in the aocorrected field. Cosmophotoz determines photometric redshifts from galaxies utilizing their magnitudes. There is also an internal diffraction limited camera with a 20 field of view. The science drivers and novel design of the near infrared integralfield spectrograph nifs are described in this paper. Osiris toolbox reduces data for the keck osiris instrument, an integral field spectrograph that works with the keck adaptive optics system. Ohsuppressing infrared integral field spectrograph wikipedia. Foreoptics gnosis will be mounted at the f8 cassegrain focus of the aat. The integral field design makes optimal use of new largeformat 2048x2048 infrared arrays, and. It uses an array of tiny lenses to sample a rectangular patch of the focal plane and produces spectra at up to 3000 locations simultaneously.
Spectrographs dunlap institute university of toronto. The oh suppressing infrared imaging spectrograph osiris. Instrument design and performance for optical infrared groundbased telescopes editors. The integral field design makes optimal use of new largeformat 2048x2048 infrared arrays, and is well matched to the compact nature of ao targets. It uses an array of tiny lenses to sample a rectangular patch of the focal plane and. Osiris ohsuppressing infrared integralfield spectrograph is a new facility instrument for the keck observatory. Nearinfrared integralfield spectrograph australia telescope.
Osiris is an integral field spectrograph ifs designed to work with the keck adaptive optics system. Moorwood this item is only available on the spie digital library. After seeing first light in february 2005, osiris is currently undergoing. Characterizing and improving the data reduction pipeline for the.
The laser guide star adaptive optics system currently being developed for the kec. Issue 33 december 2006 by gemini observatory issuu. Opera objective prism enhanced reduction algorithms automatically analyzes astronomical images using the objectiveprism op technique to register thousands of low resolution s. The method uses generalized linear models which reproduce the physical aspects of the output. Therefore gnosis will consist of interface s between the telescope, the oh suppressing photonic lanterns, and the spectrograph. As an integral field spectrograph, it can obtain many spectra simultaneously covering a small region of the sky. Osiris oh suppressing infrared integral field spectrograph is a new facility instrument for the keck observatory. The infrared imaging spectrograph is a firstlight instrument destined for the thirty. The spectrograph splits or disperses the light from an object into its component wavelengths so that it can be recorded then analysed. Integralfield spectroscopy at the resolution limit of large.
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