English
Related papers

Related papers: Flight Performance of the AKARI Cryogenic System

200 papers

Producing optimized and accurate transmission spectra of exoplanets from telescope data has traditionally been a manual and labor-intensive procedure. Here we present the results of the first attempt to improve and standardize this…

We present the spatially resolved observations of IRAS sources from the Japanese infrared astronomy satellite AKARI All-Sky Survey during the performance verification (PV) phase of the mission. We extracted reliable point sources matched…

In this paper we present details of the construction of a wideband, cryogenic receiver and its successful commissioning on the Arecibo 12m telescope. The cryogenic receiver works in the 2.5-14 GHz frequency range. The telescope is operated…

Instrumentation and Methods for Astrophysics · Physics 2023-08-14 D. Anish Roshi , Phil Perillat , Felix Fernandez , Hamdi Mani , Benetge Perera , P. K. Manoharan , Luis Quintero , Arun Venkataraman

The optical system is a complex and precise subsystem for the atom interferometer (AI), especially for those used in field or space applications. Here, we introduce the design of the optical system of the China Space Station atom…

We report a search for fluctuations of the sky brightness toward the north ecliptic pole (NEP) with the Japanese infrared astronomical satellite AKARI,at 2.4, 3.2, and 4.1 \mum. We obtained circular maps with 100 diameter field of view…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 T. Matsumoto , H. J. Seo , W. -S. Jeong , H. M. Lee , S. Matsuura , H. Matsuhara , S. Oyabu , J. Pyo , T. Wada

A system providing an optical frequency with an instability comparable to that of a hydrogen maser is presented. It consists of a $5$ $\mathrm{cm}$ long, vertically oriented silicon optical resonator operated at temperatures between $1.5$…

Instrumentation and Detectors · Physics 2020-04-23 Eugen Wiens , Chang Jian Kwong , Timo Müller , Stephan Schiller

MAIA, a three-channel imager targeting fast cadence photometry, was recently installed on the Mercator telescope (La Palma, Spain). This instrument observes a 9.4 x 14.1 arcmin field of view simultaneously in three color bands ($u$, $g$ and…

Instrumentation and Methods for Astrophysics · Physics 2013-11-05 Gert Raskin , Johan Morren , Wim Pessemier , Jesus Perez Padilla , Jeroen Vandersteen

We present 10' x 50' scan maps around an M supergiant Alpha Ori at 65, 90, 140 and 160 microns obtained with the AKARI Infrared Astronomy Satellite. Higher spatial resolution data with the exact analytic solution permit us to fit the…

The Far-Infrared Surveyor (FIS) onboard the AKARI satellite has a spectroscopic capability provided by a Fourier transform spectrometer (FIS-FTS). FIS-FTS is the first space-borne imaging FTS dedicated to far-infrared astronomical…

The Spitzer Space Telescope, NASA's Great Observatory for infrared astronomy, was launched 2003 August 25 and is returning excellent scientific data from its Earth-trailing solar orbit. Spitzer combines the intrinsic sensitivity achievable…

We describe the design and calibration of an external cryogenic blackbody calibrator used for the first two flights of the Absolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission (ARCADE) instrument. The calibrator consists of…

Astrophysics · Physics 2009-11-10 A. Kogut , E. Wollack , D. J. Fixsen , M. Limon , P. Mirel , S. Levin , M. Seiffert , P. M. Lubin

We describe a set-up for studying adsorption of helium in silica aerogels, where the adsorbed amount is easily and precisely controlled by varying the temperature of a gas reservoir between 80 K and 180 K. We present validation experiments…

Soft Condensed Matter · Physics 2008-12-18 Benjamin Cross , Laurent Puech , Pierre-Etienne Wolf

We have developed an atmospheric monitoring system for the Telescope Array experiment at Akeno Observatory. It consists of a Nd:YAG laser with an alt-azimuth shooting system and a small light receiver. This system is installed inside an air…

We present near infrared spectroscopic observations of 19 molecular clouds made using the AKARI satellite, and the data reduction pipeline written to analyse those observations. The 2.5 --~5 $\mu$m spectra of 30 objects -- 22 field stars…

Solar and Stellar Astrophysics · Physics 2015-06-16 J. A. Noble , H. J. Fraser , Y. Aikawa , K. M. Pontoppidan , I. Sakon

The techniques of laser cooling combined with atom interferometry make possible the realization of very sensitive and accurate inertial sensors like gyroscopes or accelerometers. Besides earth-based developments, the use of these techniques…

Atomic Physics · Physics 2008-08-29 Arnaud Landragin , Franck Pereira Dos Santos

This study developed a novel thermal control system to cool detectors of the General AntiParticle Spectrometer (GAPS) before its flights. GAPS is a balloon-borne cosmic-ray observation experiment. In its payload, GAPS contains over 1000…

Instrumentation and Methods for Astrophysics · Physics 2023-04-21 Hideyuki Fuke , Shun Okazaki , Akiko Kawachi , Shohei Kobayashi , Masayoshi Kozai , Hiroyuki Ogawa , Masaru Saijo , Shuto Takeuchi , Kakeru Tokunaga

We have developed low temperature part of an ultra high vacuum scanning probe microscope (UHV-SPM) working at variable temperature within the range from 20 K to 700 K. To achieve the required temperature range, a flow cooling system using…

Instrumentation and Detectors · Physics 2016-10-04 Jiri Frolec , Jakub Vonka , Pavel Hanzelka , Tomas Kralik , Vera Musilova , Pavel Urban

We investigated the physical properties of the comet-like objects 107P/(4015) Wilson--Harrington (4015WH) and P/2006 HR30 (Siding Spring; HR30) by applying a simple thermophysical model (TPM) to the near-infrared spectroscopy and broadband…

Earth and Planetary Astrophysics · Physics 2024-01-15 Yoonsoo P. Bach , Masateru Ishiguro , Fumihiko Usui

This work describes the design and implementation of optics for EXCLAIM, the EXperiment for Cryogenic Large-Aperture Intensity Mapping. EXCLAIM is a balloon-borne telescope that will measure integrated line emission from carbon monoxide…

The $AKARI$ infrared (IR) space telescope conducted two surveys (Deep and Wide) in the North Ecliptic Pole (NEP) field to find more than 100,000 IR sources using its Infrared Camera (IRC). IRC's 9 filters, which cover wavebands from 2 to 24…

Astrophysics of Galaxies · Physics 2020-09-09 T. -C. Huang , H. Matsuhara , T. Goto , H. Shim , S. J. Kim , M. A. Malkan , T. Hashimoto , H. S. Hwang , N. Oi , Y. Toba , D. Lee , D. J. D. Santos , T. Takagi