... Near Infrared Camera and Multi-Object Spectrometer Instrument Handbook for Cycle 17 > Chapter 2: Overview of NICMOS > 2.3 NICMOS Instrument Design . ... 2.3.3 Camera NIC1 . ... m. Camera 3 also contains the multi-object spectroscopic capability of NICMOS with grisms covering the wavelength ranges 0.8?1.2 microns, 1.1?1.9 microns, and 1.4?2.5 microns. ... However, the relative positions of the NICMOS cameras in the focal plane could affect the planning of coordinated parallels with other instruments....

LOFAR in Australia ­ A Brief Engineering Perspective By Dr Peter J Hall, CSIRO SKA Program Leader 11 October, 2002 Background LOFAR (LOw Frequency ARray) is a proposed radio telescope designed to operate in the approximate frequency range 30 - 200 MHz. ... In both cases, the instruments would be built and operated by intern ational consortia; Australia is a founder member of the 11 -member SKA consortium and may join the USA and Europe in the LOFAR endeavour. ...

... Astrophysics Group . ... VSA . ... CAT . ... The Very Small Array is a custom-built radio telescope (operating between 26-36 GHz), designed expressly to make high resolution observations of the cosmic microwave background (CMB) radiation on angular scales around and below one degree. ... The VSA has been operated in ?compact array? and ?extended array? configurations (see the technical description below) and data collected to achieve high sensitivity in both regimes have been analysed. ... 1.75 GHz)...

Section I: Introduction to ALFA and GALFA . Section II: System Description . ... ALFA receives 7 beams, 2 polarizations per beam, each covering 1225-1525 MHz. The 14 IF signals cover nominally the 100 to 400 MHz band. ... A high-resolution, low-bandwidth spectrometer (8K channels covering a 7 MHz bandwidth) . ... Each spectrometer board handles two polarizations from one telescope beam.The baseband signals are to be digitized by four 8-bit ADCs at 100 Msamples/sec. ... Bandwidth: . ...

... Telescopes . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... LX - Rear Thread Aluminum Dust Cover . ... Rear Thread Aluminum Dust Cover for SC and ACF optical tubes. ...

Home | ... Fisica Sanitaria | ... Amber SPG . ... The near-infrared / red focal instrument of the VLTI, called AMBER will operate between 1 and 2.5 µm in a first phase (2001-2003) with two UTs. This instrument has been designed for three beams to be able to perform images through phase closure techniques. ... The instrument has been designed to be used with two or three beams, thus enabling also the use of closure phase techniques. ... AMBER VLTI focal instrument home page . ... Simone Busoni . ...

... Observing . ... Voyager instrument cooling after heater turned off . ... In order to reduce power consumption, mission managers have turned off a heater on part of NASAт??s Voyager 1 spacecraft, dropping the temperature of its ultraviolet spectrometer instrument more than 41ТА Fahrenheit (23ТА Celsius). ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... The damage to NIFS has freed up the RSAA instrumentation team to concentrate on the timely delivery of the Gemini South Adaptic Optics Imager (GSAOI). ... GSAOI is the second instrument that ANU is building for Gemini. ... GSAOI Website: http://www.mso.anu.edu.au/gsaoi/ NIFS Website: http://www.mso.anu.edu.au/nifs/ RSAA Website: http://www.mso.anu.edu.au/ Australian Gemini Project Office Website: http://www.ausgo.unsw.edu.au/ Gemini Public Information Website: http://www.gemini.anu.edu.au/public/ . ...

The LIDAR Instrument Information . The LIDAR was designed in a bistatic scheme with a separate transmitter and two receiver channels. ... The total mass of the instrument is only 940 grams (about 2 pounds) and a total volume is 950 cubic centimeters in both assemblies. ... Engineers designed the LIDAR to operate in the temperature range from -100 to 50 degrees Celsius (-148 to 122 degrees Fahrenheit) under lower pressure, near one millibar. ... One of the receiver channels has polarizer. ...

... IRPS is the small size infrared photometer with detector cooled by liquid nitrogen . IRPS was designed as the instrument for work with optical systems with angular apertures . ... Multichannel preamplifiers (N*8) are designed for use with IR and mm wave detectors arrays. ... Thermoelectric cooling system is designed for use with IR detectors. ... IR photodetector modules with detectors cooled by LN2. ... Gas cooled radiation shield optical cryostat, IR detectors. liquid nitrogen capacity 1.2 ltr. ...

Next: VLT First Light Up: Front Cover Previous: Participants . VLT First Light . ... Image Quality of the VLT . ... Near IR Astronomy with the ESO VLT . Introduction and Overview . Infrared instruments for the VLT . Instrument Summary . ... Performance . ... CONICA: The high resolution near-infrared camera for the ESO VLT . Introduction . Design of Imaging Optics . Analyzing Optics . Cryo-mechanical Design . ...

... Up: Telescope and Instrument Control Systems . Previous: CFH12K: Control Software and Data Handling . ... The MERLIN 1 array is being upgraded with new correlator hardware and improved monitoring, operating and control software. ... The project aims to improve the reliability and efficiency of MERLIN operations by upgrading the real-time correlator control computer and providing new software for aiding astronomical data-quality and array subsystem monitoring. ... Display lag data in real time. ...

... This is possible at modest cost due to the low moments of inertia of the telescope and enclosure. ... This same performance will be achieved in higher winds when the telescope enclosure is facing away from the wind, or by using wind screens. ... The telescope system (MILT) will be remotely operable with an on-site operator's assistance by an astronomer located at one of the ARC member institutions. ... Mean Wind Speed . ... Offsets > 10 deg: 1 arc sec rms max . ... 5 sec max, tracking to tracking . ...

Optical design and verification of the sub-millimeter limb sounder TELIS P. Yagoubov1, G. de Lange1, A. Baryshev2, R. Hesper2, V. Koshelets3, G ... IREE, Russia 4Institute for Remote Sensing Technology, DLR, Germany 5Institute of Applied Physics, University of Bern, Switzerland Vertical scan , mm Vertical scan , mm TELIS (Terahertz and submm Limb Sounder) is a cooperation between European institutes, DLR, RAL and SRON, to build a three- ... SIR cold channel phase distribution. ...

... Ohio State University's radio telescope, affectionately known as "The Big Ear" , was one of the first and largest listeners. Jupiters Rings Revealed . ... Recent data from the Galileo spacecraft currently orbiting Jupiter now confirms that these rings were created by meteoroid impacts on small nearby moons. ... The above New Technology Telescope SUSI Deep Field photograph isolated a small patch of sky picked to contain no bright objects at all. Dust Hip Deep on Phobos . ... Crater Copernicus . ...

... Mechanical Orrery by Gilkerson An orrery is a mechanical device designed to illustrate the motions of the planets in their orbits about the Sun. ... Tiles are indicated at 16-day intervals for the terrestrial planets (Mercury, Venus, Earth and Mars), at 80-day intervals for Ceres and the two comets, and 160-day intervals for Jupiter and Saturn. ... The most dynamic feature of the Human Orrery is its capacity to explain Kepler's laws of planetary motion in a fun and interesting way. ...

... Restoration of a 1916 Warner Swasey Telescope . Alan Sliski . Thursday, Sep 10, 2015 at 8:00 PM . ATMoB and Antique Telescope Society member Alan Sliski’s talk will cover a few aspects of the restoration of a 1916 Warner Swasey Telescope, and the history around the telescopes made by Warner and Swasey. ... Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

... Due to the use of Czochralski grown single crystals, MC microcoolers provide an increased dT max and more cooling capacity. ... Cold Side 1.6x3.2 mm, Hot Side 3.2x3.2 mm U max=0.5 V . ... 0.4 . ... Cold Side 3.2x3.2 mm, Hot Side 3.2x4.8 mm U max=1.0 V . ... Cold Side 3.2x4.8 mm, Hot Side 4.8x4.8 mm U max=1.5 V . ... Cold Side 4.8x4.8 mm, Hot Side 4.8x6.4 mm Um ax=2.2 V . ... Cold Side 6.4x6.4 mm, Hot Side 6.4x8.0 mm Um ax=4.0 V . ... Cold Side 8.0x9.6 mm, Hot Side 9.6x9.6 mm Um ax=7.4 V . ...

Feed cabin Nr. ... Fig. ... This allows to realize the sensitivity at frequency ranges 4.8, 11.2 and 30.0 GHz of 5, 7 and 12 mK by double beam switching mode and by the integration time of the output filter 1s. Input waveguide paths were very long and had big losses. ... The focal line of the feed cabin Nr. ... Data Acquisition and Control System . The Data acquisition system of the feed cabin Nr 2 is based on the new measurement ER-DAS system (Embedded Radiometric Data Acquisition System). ...