Results 21 to 30 of about 74,003 (312)
Calibration of planetary brightness temperature spectra at near-millimeter and submillimeter wavelengths with a Fourier-transform spectrometer [PDF]
, 1996 A medium-resolution Fourier-transform spectrometer for ground-based observation of astronomical sources at near-millimeter and submillimeter wavelengths is described.
Serabyn, E., Weisstein, E. W.
core +1 more source
EXPLANATION: Exoplanet and Transient Event Investigation Project—Optical Facilities and Solutions
Photonics, 2022 Over the past decades, the achievements in astronomical instrumentation have given rise to a number of novel advanced studies related to the analysis of large arrays of observational data.
Gennady Valyavin +50 more
doaj +1 more source
Near-infrared integral-field spectroscopy of HD209458b [PDF]
, 2006 We present first results of an exploratory study to use integral field spectroscopy to observe extrasolar planets. We focus on transiting "Hot Jupiters" and emphasize the importance of observing strategy and exact timing.
Angerhausen, Daniel +2 more
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The Integral Field View of the Orion Nebula [PDF]
, 2014 This paper reviews the major advances achieved in the Orion Nebula through the use of integral field spectroscopy (IFS). Since the early work of Vasconcelos and collaborators in 2005, this technique has facilitated the investigation of global properties ...
Mesa-Delgado, Adal
core +3 more sources
Applied Sciences, 2019 Astrophotonics is the application of photonic technologies to channel, manipulate, and disperse light from one or more telescopes to achieve scientific objectives in astronomy in an efficient and cost-effective way.
Pradip Gatkine +2 more
doaj +1 more source
The Robotic Multiobject Focal Plane System of the Dark Energy Spectroscopic Instrument (DESI)
The Astronomical Journal, 2022 A system of 5020 robotic fiber positioners was installed in 2019 on the Mayall Telescope, at Kitt Peak National Observatory. The robots automatically retarget their optical fibers every 10–20 minutes, each to a precision of several microns, with a ...
Joseph Harry Silber +100 more
doaj +1 more source
On the use of electron-multiplying CCDs for astronomical spectroscopy [PDF]
, 2010 Conventional CCD detectors have two major disadvantages: they are slow to read out and they suffer from read noise. These problems combine to make high-speed spectroscopy of faint targets the most demanding of astronomical observations. It is possible to
Basden +22 more
core +2 more sources
JHK Spectra of the z=2.39 Radio Galaxy 53W002 [PDF]
, 2001 We present low-resolution, near-IR JHK spectra of the weak z=2.39 radio galaxy 53W002, obtained with the OH-airglow Suppressor spectrograph (OHS) and Cooled Infrared Spectrograph and Camera for OHS (CISCO) on the Subaru Telescope.
Harashima, T. +9 more
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Ultraluminous X-ray Sources and Their Nebulae [PDF]
, 2008 One of the interesting features of Ultraluminous X-ray sources is that many of them are surrounded by luminous nebulae exhibiting diverse observational properties. In different cases the nebulae are photoionized or shock-powered.
Magnus Axelsson, Pavel Abolmasov
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The Infrared Imaging Spectrograph (IRIS) for TMT: Data Reduction System [PDF]
, 2016 IRIS (InfraRed Imaging Spectrograph) is the diffraction-limited first light instrument for the Thirty Meter Telescope (TMT) that consists of a near-infrared (0.84 to 2.4 $\mu$m) imager and integral field spectrograph (IFS). The IFS makes use of a lenslet
Chapin, Edward L. +17 more
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