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Astronomy in the Near-Infrared - Observing Strategies and Data Reduction Techniques
Astrophysics and Space Science Library, 2022exaly +2 more sources
Visual and Near-infrared Astronomy
2021The first non-electromagnetic messengers from space were discovered in the early 20th century, but it is only now that multimessenger astronomy is coming into its own. The aim of Multimessenger Astronomy in Practice is to aid an astronomer who is new to research in a particular area of multimessenger astronomy.
Gurovich, Sebastian +2 more
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A NICMOS-3 based spectrograph for near infrared astronomy
Experimental Astronomy, 1994We describe a design for a compact cooled spectrograph which incorporates two cameras and two collimators to achieve high throughput from 0.8 to 2.5μm. The spectrograph utilizes multiple NICMOS 3 arrays, specially mounted to minimize their separation in the spectral dimension.
R. J. Rudy +3 more
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Polarization gratings for visible and near-infrared astronomy
SPIE Proceedings, 2014We report on the development of polarization gratings that can be used for polarimetry and/or high throughput broadband spectroscopy in astronomy. Polarization gratings are able to overcome fundamental limitations on the diffraction efficiency of conventional gratings to provide near 100% diffraction efficiency over a broad bandwidth.
Max Millar-Blanchaer +3 more
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The SAPHIRA detector: a near-infrared photon counter for astronomy
Advanced Photon Counting Techniques XIII, 2019The SAPHIRA is currently the only astronomical device capable of counting photons in the NIR while showing other performance easily comparable to the ubiquitous HAWAII arrays. Photon counting was previously only available in astronomy with high dark currents, prohibiting observation of many astronomical targets.
Dani E. Atkinson +3 more
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Limitations of ground based near and far infrared astronomy
Infrared Physics, 1975Abstract The possibilities of ground based infrared astronomy are discussed. It is shown that telescopes used up to now are not optimized and that the Diffraction Limited Detectivity conditions (DLD) cannot be reached, in the near infrared, by the larger telescopes. The maximum useful diameters for near i.r. and far i.r.
G. Dall'Oglio +4 more
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Infrared Spectroscopy of Micro-Organisms near 3.4 μm in Relation to Geology and Astronomy
Astrophysics and Space Science, 1982Microorganisms sealed in KBr discs have an absorption spectrum over the 2.5-15 μm waveband that shows thermal stability as they are heated in an inert atmosphere to temperatures of about 400 °C. Microfossils tightly sealed within cavities in rocks could be endowed with similar properties of thermal stability.
F. Hoyle +3 more
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A discussion on infared astronomy - Near infrared night sky background
Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences, 1969Abstract We have carried out near infrared observations on wide fields of the sky, using both a rocket-borne telescope and ground-based equipment. The rocket observations covered the spectral range of 1 to 8 μm. The ground-based observations were carried out in a narrow spectral region around 1.085 μm.
M. Harwit, K. Fuhrmann, M. Werner
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SPIREX-near infrared astronomy from the South Pole
Experimental Astronomy, 1994Over the next several years we will deploy a series of spectrometers, imagers, and telescopes at the South Pole as part of a project named SPIREX — for South Pole Infrared Explorer. Our goal is to survey a substantial area of the sky to study the origins of galaxies and stars.
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Journal of the Optical Society of America A, 1996
Using the results of photometry applied to speckle image reconstructions of the triple stellar system LHS1070 in the near infrared, we compare quantitatively the performance of shift-and-add and bispectrum image reconstruction methods and find that comparable results can be obtained.
V. A. Klückers +3 more
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Using the results of photometry applied to speckle image reconstructions of the triple stellar system LHS1070 in the near infrared, we compare quantitatively the performance of shift-and-add and bispectrum image reconstruction methods and find that comparable results can be obtained.
V. A. Klückers +3 more
openaire +1 more source