. There are several different shells available for Unix; the most popular are described here. You can use any one of these shells if they are available on your system. And you can switch between the different shells once you have found out if they are available. Bourne shell (sh) . C shell (csh) . TC shell (tcsh) . Korn shell (ksh) . Bourne Again SHell (bash) .

... February 21, 1997 . New Eyes for the Hubble Space Telescope . ... Explanation : The Hubble Space Telescope 's second servicing mission has been completed. Every few years, the telescope is visited by a Space Shuttle to allow astronauts to switch old instruments for new. ... These new instruments will act like eyes sharing the 2.4-meter telescope mirror with the remaining instruments: the Wide Field Planetary Camera 2 and the Faint Object Camera . ... About APOD > . ...

... NASA's newest Great Observatory, the Chandra X-Ray Observatory (CXO) -- formally known as the Advanced X-Ray Astrophysics Facility (AXAF) -- launched on July 23, 1999 and represents such an advance. ... Hughes Danbury Optical Systems (HDOS), now Raytheon Optical Systems Incorporated, figured and polished the x-ray optics; Optical Coating Laboratory Incorporated (OCLI) coated the polished optics with iridium; and Eastman Kodak Company (EKC) mounted and aligned the optics and provided the optical...

... Tonight's Sky . ... News . ... Sky this Month . ... Star Atlas . ... New high-resolution atlas of asteroid Vesta is available to the public . ... Scientists have released a high-resolution public atlas of the asteroid 4 Vesta. ... An atlas of the asteroid 4 Vesta, which scientists created from images taken during the Dawn Mission s Low Altitude Mapping Orbit (LAMO), is now accessible for the public to explore online. ... Only registered members of Astronomy.com are allowed to comment on this article...

... Дни открытых дверей к юбилею САО РАН (12-14 апреля 2016 г.) . Международная конференция "Dark Ages and White Nights (Spectroscopy of the CMB)" (20-24 июня 2016 г.) . ... Международная конференция MULTI-SPIN GALAXIES - 2016 (26-30 сентября 2016 г.) . Международная астрономическая конференция "Физика звезд: от коллапса до коллапса" (3-7 октября 2016 г.) Архив . ... Подробнее.. ... 10.02.16 . ... БТА в реальном времени . ... Цейсс-1000 в реальном времени . ... Последнее обновление: 22/03/2016 ...

... A strong nonlinearity of the detector response was analyzed on the basis of a diffusion model taking into account the quasiparticle self-recombination and edge losses. r 2006 Elsevier B.V. All rights reserved. ... The main reason of line broadening is the spatial dependence of the detector signal on the photon absorption site. ... The recombination and edge losses induce the signal reduction for photon absorption points in edge regions and cause line broadening. ...

Vertexing Tools Vertexing Tools Jan Strube University of Oregon Overview Overview · · · · · · Introduction The Algorithm ­ ZvTop Implementation in hep.lcd Introducing org.lcsim Present Status Summary and Outlook 2005-8-20 Jan Strube - Snowmass 2005 1 The Algorithm ­ ZvTop The Algorithm ­ ZvTop D. Jackson, NIM A388:247-253, 1997 D. Jackson, NIM A388:247-253, 1997 · Topological ... The position is the one found by the algorithm, but the tracks are not fitted. ...

Flexible frame grabbing and high speed image processing . for PCI bus PCs . ... Fully software compatible with XPG-1000 Power Grabber. ... The FPG-44 Power Grabber product line is a family of imaging boards and software offering flexible frame grabbing and high speed image processing for PCI bus PCs. ... The FPG-44 will interface with any analog/digital camera or sensor at data rates up to 32 Mbytes/Sec. ... The FPG-44 is a flexible frame grabber and image processing board for PCI and ISA bus PCs. ...

The study of energetic particles acceleration and transport within the magnetosphere and on its boundaries is the main goal of DOK-2 experiment on Auroral Probe in a frame of INTERBALL project. ... DOK-2 uses two pairs of energetic particle telescopes . ... This information is available only during the most informative Real Time mode of DOK-2. ... Full 56-57 channel spectra accumulated during time intervals from 10 s to 1464 s depending on a particle intensity. ... For this time interval: . ...

... If some entries are missing, which might turn out later, add them in a way that the library remains downward compatible. (13aug97) XAW3D 3D widget library 1.3 . ... ASCII Art library 1.2 (by Hung-Chi Chu , aa.dll for XFree86, aa.dll.noX for non-X environments) . ... MPEG library 1.2.1 (by Hung-Chi Chu , DLL only ) . PNG library 1.0.2 (by Hung-Chi Chu , requires zlib , DLL only ) . TIFF library 3.4beta037 (by Hung-Chi Chu , requires zlib and jpeg , DLL only ) . ... Xpm 3.4k (by Hung-Chi Chu ) . ...

Peremennye Zvezdy", . ... 6, N 33 (2006) . ... USNO-A2.0 1350-13606605, USNO-B1.0 1381-0460341 . ... Several sessions of high-temporal-resolution BVRcIc photometry of V1500 Cyg (Nova Cygni 1975) field were carried out by one of the authors (E.P. Pavlenko) using the 2.6-m Shajn telescope of the Crimean Astrophysical Observatory equipped with an FLI IMG 1001E CCD camera (Litvinchova Pavlenko 2006). ... The distance to USNO-B1.0 1381-0460341 can be estimated as 2400+/-300 pc. ... V1500 Cyg is also shown. ...

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) MASSIVE PHOTOMETRY OF LOW-ALTITUDE ARTIFICIAL SATELLITES ON MINI-MEGATORTORA S. Karpov, 1, 3 E. Katkova,2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Davydov5 E. Ivanov,2 A. Perkov,2 V. Sasyuk3 RESUMEN Favor de prop orcionar un resumen en espanol. ... The nine-channel Mini-MegaTORTORA (MMT-9) optical widefield monitoring system with high temporal resolution system is in operation since June 2014. ...

Communications For Your Astronomy Event . Articles | ... Once upon a time, communication via radio was something only government entities, commercial establishments and certain private folks could do. ... With the continuing progress of services like General Radio Mobile Service (GMRS) and the recent arrival of Family Radio Service (FRS), it has never been easier to do radio communications for your event all by yourself. ... Broad range of radio bands to utilize. ... www.astronomy.net . ...

. N orilsk N eutron M onitor . Cosmic rays variation . Atmospheric pressure . Year . Month . Day . Hour . Minute . From . To . Resolution . Type of Data . 1 year 1 month 27 days 1 day 12 hours 6 hours 1 hour 15 min 10 min 5 min 1 min . Corrected for Pressure Atmospheric Pressure Uncorrected for Pressure . Data are also available by FTP . All Data for all Station are available by FTP . Links . Irkutsk .

... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

... Many large telescopes will be available on Earth with which to observe the phenomena associated with the Shoemaker-Levy 9 impacts on Jupiter in visible, infrared, and radio wavelengths. ... The impact site of the fragments of Comet Shoemaker-Levy 9 on Jupiter. ... Better knowledge of the effects of Comet Shoemaker-Levy 9 on Jupiter may allow scientists to predict more accurately just how serious could be the results of future impacts of various-sized bodies on Earth. ... 87,500,000,000 . ... 320,000...

... Earth Satellites . ... Image Dan Burbank and Anton Shkaplero making music onboard the ISS (Image credit: NASA) . The first occurrence of music being made in space was during the Gemini 6 mission in 1965. ... Since then many astronauts have brought instruments into space with them, including many crews onboard the International Space Station. ... The Gemini astronauts were treated to some musical interludes during their times in space but not specifically to wake them in the morning. ...

... Events . ... Pre-university education . ... Web of Science database ( http://webofknowledge.com ) is available since 2 October. This database is the most competent analytic and citation database of journal articles, including 3 bases: Science/Social Sciences/Arts&Humanities Citation Index. To rate citation index, impact-factor, Hirsch index scientists and specialists of all subject areas are recommended to use Web of Science database since it is the most important one for the researchers. ...

COPRATES CHASMA NORTH WALL INTERIOR LAYERED DEPOSIT: LAYER MEASUREMENTS AND COMPARISON WITH JUVENTAE CHASMA ILDS USING MARS EXPRESS HIGH RESOLUTION STEREO CAMERA (HRSC) DERIVED TOPOGRAPHY Michael, G.1, E. Hauber1, K. Gwinner1, R. Stesky2 ... Planets, Freie Universitaet, Berlin, Germany 5ESTEC, ESA, Noordwijk, The Netherlands Introduction: The interior layered deposit ( ILD ) in the north wall of Coprates ... The lesser section of the ILD is confined by a ridge of the chasma wall. ...

The Planewave Instruments 20-inch (0.5-meter) f/6.8 corrected Dall-Kirkham telescope at Moore Observatory in Kentucky and its identical companion at Mt. ... The CDK20 North at Moore Observatory has been our primary platform for developing technology for remote and robotic operation in the Shared Skies program. ... g'r'z'i' filter wheel . ... Axis quad video server to send realtime video to the remote observer . ... Telescope monitor camera in the dome also on the video server . ...