... JWST . ... Data . ... Science Blog . ... JWST Design . ... JWST Science . ... JWST Science Corner . ... JWST Instruments . ... MIRI . ... Its design consists of two main modules, an imager and a medium resolution spectrograph (MRS). The MIRI imager will provide broad and narrow-band imaging, phase-mask coronagraphy, Lyot coronagraphy, and prism low-resolution (R ~ 100) slit spectroscopy from 5 to 10 m. The imaging module will use a single 1024 x 1024 pixels Si:As sensor chip assembly. ... Imager . ...

... Space Research Institute . ... Space Research Institute of the Russian Academy of Sciences . ... Short history of IKI with respect to it's directors and main missions . ... Main results . ... Venue: Space Research Institute and Russian Academy of Sciences . ... The interview with the director of Space Research Institute of the Russian Academy of Sciences Academician Lev M. Zelenyi . ... Space Research Institute of the Russian Academy of Sciences (IKI), 84/32 Profsoyuznaya Str, Moscow, Russia, 117997...

... Near-Infrared Integral-Field Spectrograph (NIFS): . An Instrument Proposed for Gemini . ... In late 1998 the International Gemini Project Office identified a need for a low cost, near-infrared spectrograph to be commissioned on the Gemini South telescope on the shortest possible timescale. In response, the Research School of Astronomy and Astrophysics of the Australian National University proposed to design, construct, and commission a near-infrared, integral-field spectrograph on Gemini. ...

NIFS is designed to be a fast-tracked, low-cost, near-infrared, integral-field spectrograph for use on Gemini North with the facility adaptive optics system, ALTAIR . ... By adopting a largely fixed-format design: A 3.0" 3.0" "stair-case" integral field unit (IFU) will feed a near-infrared spectrograph with five fixed-angle gratings mounted on a single grating wheel. ... The 29 field mirrors direct the beams into the spectrograph so that their pupils all coincide on the grating at bottom-left. ...

... The ARC echelle spectrograph records the entire visible and near-IR spectrum in one exposure on a 2048 x 2048 SITe CCD chip with 24 micron pixels, with a resolution of 30,000. (2.5 pixels) . ... CCD is a SITe TK2048E back illuminated CCD . CCD is a 2048 x 2048 pixel array . ... Field of View: Available slits (Observing Specialist installable): 1.6" x 1.6" , 1.6" x 3.2" (default), 1.6" x 4.7", 0.9" x 0.9" (pinhole) . ... 31.6 grooves/mm, blaze angle b = 63.5 deg (nominal), or tan b = 2 . ...

... The project assumes creation of an international space observatory - the interferometer "Earth - Space - Space" in order to perform of astronomical investigations in millimeter, submillimeter and infrared regions with extremely high sensitivity (to a few nanoJanskies units of flux density in continuum spectrum) and extremely high angular resolution (to a parts of microsecond of arc or, possibly, nanosecond). ... radio-interferometric channels of the system "Space - Space", region 0.2 - 3 mm; . ...

Sternberg Astronomical Institute, Moscow University, . Moscow, Russia . Supernovae make us brighter .. Search russian astronomical resources . Mirror of International Supernovae Network ( Original site ) . Catalogue of Supernovae Stars . HTTP access to SAI Catalogue of Supernovae Stars . SAI SN Light Curves Online . ... Sternberg Astronomical Institute ( in Russian ) . ... Astronet - Russian Astronomical Network . ... Russian Foundation for Basic Research . ...

The 6th INTEGRAL Workshop . The Obscured Universe . ... The main goal of this workshop is to consider (via invited and contributed talks and posters) the scientific problems in the field of high energy astrophysics which are possible to solve using the International Gamma-Ray Astrophysics Laboratory INTEGRAL as well as to present and discuss the scientific results already obtained by this observatory and its coordinated observations with on-ground telescopes and other spacecrafts. ...

... Science Users Information > Science Publications > Science Announcements > Improvement to FLAMES Spectral Resolution and Sensitivity . ... The FLAMES GIRAFFE spectrograph is not kept at a controlled temperature, and thus, at the beginning of every observing block, GIRAFFE is re-focussed to take account of collimator temperature. ... The updated values lead to a substantial increase in spectral resolution and sensitivity across all settings, particularly for the high resolution ( HR ) settings. ...

Static Fourier spectrometers are often used for spectral measurements of the ionosphere emissions. There are two main advantages of Fourier spectrometers (FS) - large geometric factor and high spectral resolution; these parameters are two orders better than for grating spectral instruments. ... In scanning Fourier spectrometer optical and electric modulation of signal is used to avoid this problem, for static Fourier spectrometer there are no such ways. ...

... INTEGRAL Science Data Centre, Chemin d'?cogia 16, CH-1290 Versoix, Switzerland . ... The INTEGRAL Science Data Centre, implemented by a consortium of scientific institutions, is the part of the ground segment which deals with the interface between the scientific community and the INTEGRAL data. ... This has led to the concept of the INTEGRAL Science Data Centre (ISDC). This centre is the interface between the INTEGRAL data and the users' community. ... 200 housekeeping records per instrument . ...