The Charged Coupled Device (or CCD) was initially conceived in 1970 at Bell Labs by W. Boyle and G. Smith. ... Stored charged readout along the registers of the CCD would then allow this device to be a serial memory device. ... The charge transfer efficiency of this device was so low, that the overall yield was less than 0.5% (slightly less than good photographic plates at the time). ... Early observations with this CCD quickly showed its superiority over photographic plates. ...

... After a brief leave in Bangalore to work on astronomy (and holiday in Nepal), Dave will be continuing in management positions within the ATNF. ... We have also hosted an observing project visit from a contingent of ATNF and CTIP vacation scholars, who observed h Carina with the new 12-mm system (see article elsewhere in this issue), observed new HIPASS galaxies, and studied interference from microwave ovens. ... Currently we are testing this system with a single antenna. ...

May 2013 Update on APO Imager Proposal J. Huehnerhoff, W. Ketzeback (APO) In March 2013, a proposal for an imager on the APO 3.5m telescope was presented to the users committee. ... From this feedback it was determined that the most important properties of this imager should include good throughput, good spatial resolution, fast readout, and capability to use narrow band filters (both existing and new). ... The CCD allows many binning modes but 2x2 or 3x3 is expected to be used in normal operation. ...

... The Entry widget allows text to be typed and displayed in a single line text box. ... GtkWidget *gtk_entry_new( void ); . ... The following code is an example of using an Entry widget . #include stdio.h #include stdlib.h #include gtk/gtk.h void enter_callback( GtkWidget * widget , GtkWidget * entry ) { const gchar * entry _ text ; entry _ text = gtk_ entry _get_ text (GTK_ ENTRY ( entry )); printf( Entry contents: %s\n , entry _ text ); } void entry _toggle_editable( ...

Guided by your suggestions, we desire to improve the Arecibo Observatroy operations to . better serve the needs of our users. Please complete and submit this form following your . ... Your comments will be reviewed by a number of NAIC-AO scientists and support staff. ... Receiver(s) used: . ... adequate . ... excellent . ... Please enter brief comments on the following: . ... ADDITIONAL COMMENTS: . If you have questions or problems with this form please send an email to . ...

... A flexible and efficient scheme allowing arbitrary FITS Binary and ASCII Tables to be converted to arbitrary C structures at run-time is presented. ... We have developed a versatile scheme that allows data transfer between FITS Tables and C data structures. This generic scheme uses two supporting structures: a TBLCOL to contain an arbitrary FITS Binary or ASCII Table (or both), and a translation table that maps TBLCOL to a user-specified C structure. ... Figure: TBLCOL Format Components. ...

. Every UNIX system allows you to exchange electronic mail with other users on your local system . Most systems also allow you to exchange mail with users on remote systems . Electronic mail is very quick. Messages will reach users on the same system almost immediately; users on systems elsewhere in this country, or other countries, in a few minutes, or hours at most. About the Mail program . Addressing mail . Sending mail . Receiving mail . Managing mail . Customising mail .

... The ARIBIB is an on-line bibliographical data base for astronomical references. The ARIBIB is based on the information given in the printed bibliography ``Astronomy and Astrophysics Abstracts'' (AAA). ... This reference format contains the author(s) or editor(s), title, bibliographic data for the source, keywords, and the AAA reference number. ... The abstracts can be found either in the printed volumes of AAA or in the on-line data bases INSPEC or INSPHYS. ... Figure 1: Query form. ...

The HTSC group has an access to a set of technological equipment for thin film preparation and laboratory measurement system for low temperature electrical measurements. The technological complex of the " Thin Film Oxide Electronics " Laboratory includes two clean rooms of the "1000" class, with a complete set of equipment for photolithography (spinner, oven, hot plate, mask aligner, chemical bench, de-ionized water source) in each clean room. ...

... Observatory . ... Science . User Portal . ... Science Users Information > Science Publications > Science Announcements > User Support Department Feedback Campaign . ... Science Users Information . Observing Facilities . ... Observing with ESO Telescopes . ... Data Handling and Products . ... Science Data Products Forum . ... Science Archive Facility . ... The User Support Department (USD) invites principal investigators and their Phase 2 delegates to participate in a user feedback campaign. ...

The HAWAII detector is an array of HgCdTe photodiodes whose junction capacity collects a charge proportional to the number of photons that they receive. ... The array detector is read by an electronic system based on the controller developed by the CCD Working Group of TNG, modified to speed up the read-out time, and on a fast 16 bit conversion board (2 Mb/s). ... The signal read on each pixels is buffered by electronics located on the same board that hosts the detector. ...

MRO-ICD-CAM-1100-0108 FTTNAS-FTTA.odt Page 1 of 7 MRO FTT / NAS FLC ICD FTT / NAS Electronics to FTTA Controller ICD MRO-ICD-CAM-1100-0108 The Cambridge FTT Team Rev 1.0 9 May 2013 Cavendish Laboratory JJ Thomson Avenue Cambridge CB3 0HE UK MRO-ICD-CAM-1100-0108 FTTNAS-FTTA.odt Page 2 of 7 ICD Description ... 2.1 Signal definitions.. ... The analogue input interface in the FTT-NAS electronics interface is to accept the full range of output available, specifically: 1. ...

Chandra Calibration: Plans, Status, Future Herman L. Marshall ( Chandra X-ray Center, MIT Kavli Institute) HRMA Cal Summary · · · · · · · · Ground calibration Reflectivity measurements on witness samples Metrology of optical surfaces Positioning ... for finite source size and distance · Testing each quadrant of each shell separately · Allowing for illumination differences to flight Flight verification Imaging star with both ACIS and HRC Effective ...

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. ...

... Natalya V. Raguzova and Sergei B. Popov . ... We present a compilative catalogue of Be/X-ray binaries and candidates in the Galaxy and in the Large and Small Magellanic Clouds. This catalogue contains 160 sources and provides information on names and spectral types of optical components, distances, on spin characteristics of neutron stars, and on orbital and X-ray properties of binary systems. ... Be/X-Ray Binaries and candidates in the Galaxy . Galactic sources: comments to the Table 1 . ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... 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. ... Coronado Accessories . ... Photography Accessories . ... Meade Zero Image Shift-Electronic Micro-Focuser . ... Meade Zero Image Shift-Electronic Micro-Focuser #07080 for the Meade LX200-ACF and Meade LS models. ...

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IMAGING PRODUCTS TM-1001 PROGRESSIVE SCAN HIGH RESOLUTION SHUTTER CAMERA Pr oduct Featur es · Very high resolution 1" progressive · · · · · · · · scanning 1024(H) x 1024(V) interline transfer CCD imager Digital RS-422 output for progressive scan or analog output with monitor display format 15 frames per sec. Full-frame shutter to 1/16,000 sec. ... The electronic shutter, which has speeds to 1/16,000 sec., can be reset asynchronously by external pulse control. The frame rate is 15 fps. ...

Test models of the TsTK-140 and TsMK-70 digital aerial cameras have been developed and manufactured in cooperation with the юNO “Cosmos-NT” based on space technologies. The TsTK-140 camera has been designed for black & white topographic stereo imaging. ... The TsTK-140 camera is based on the AFA TE-140 camera optical unit. ... The TsMK-70 camera provides for aerial imaging in four spectral bands simultaneously (RGB and near-IR). ... This allows image acquisition control in real time. ...

National Aeronautics and Space Administration . ... NORMAN E. THAGARD (M.D.) . NASA ASTRONAUT (FORMER) . PERSONAL DATA: Born July 3, 1943, in Marianna, Florida, but considers Jacksonville, Florida, to be his hometown. ... Dr. Thagard first flew on the crew of STS-7, which launched from Kennedy Space Center, Florida, on June 8, 1983. ... Dr. Thagard then flew on STS 51-B, the Spacelab-3 science mission, which launched from Kennedy Space Center, Florida, on April 29, 1985, aboard the Challenger. ...