Astronomy Discussion Forums . Forums: . ... Celebrating "separate" Universes!! ... Post Message | ... If "B" were not different in at least some way from "A"; why, "B" would even have the same name as "A"; it would have to be "A". ... B" is a way of looking at itself and the world (inculding "A"). ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

Next: *.imh and *.qp Extensions Up: IRAF/PROS Files Previous: IRAF Image Arrays . The x-ray data are stored in QPOE files (Quick Position-Ordered Events, *.qp ) rather than image arrays. ... Note that, unlike IRAF images, QPOE files have no associated header file, and are always stored in the current directory, unless explicitly specified otherwise. Non-PROS IRAF tasks can also access QPOE data files in place of image arrays. ... rp110590.qp[pi=2:30] . ... The ROSAT PSPC qp file images are . ...

... The first of the equations defines the position of the spectral orders, m , in the raw image, while the second equation gives, for each order, the dispersion relation in one dimension. ... where the coefficients are computed using least squares techniques on a grid , i.e. sample number and line number of points located within the spectral orders of the image. These points in the grid are found automatically by an order--following algorithm, normally using the FLAT or STD image. ...

... Information about a variety of different calendars for different cultures (e.g., Christian, Jewish, Muslim, Chinese, Hindu etc.) ... In addition, the Chinese had two different ways of interpreting and observing celestial events. One way the Chinese used astronomy was known as lifa; it was a discipline that aimed to understand the regularities and the predictable events in the celestial system through careful, observations, measurements and records. ... back to Teachers' Newsletter Main Page ...

... European Remote Sensing Satellite (ERS-1) was launched on 17 July 1991, and the follow mission ERS-2 (with the same sensors and an Ozone monitoring instrument added) was launched on 21 April 1995. ... ERS-2 has a fixed repeat cycle of 35 days, and follows ERS-1 tracks with one day's delay. ... Swath width is 102.5 km (telemetered), spatial resolution is about 25x25 m. The Advanced SAR (ASAR) instrument is carried by ESA's ENVISAT satellite launched on 1 March 2002. ... Swath . ... Spatial Resolution...

... Team . ... The main goal of observations of GRB host galaxies is accumulation of statistics of their spectroscopic and photometric properties. ... The Hubble diagram for 22 GRB host galaxies with known magnitudes and redshifts (GRB 970228, GRB 970508, GRB 970828, GRB 971214, GRB 980613, GRB 980703, GRB 990123, GRB 990510, GRB 990712, GRB 9912008, GRB 991216, GRB 000131, GRB 000210, GRB 000301C, GRB 000418, GRB 000911, GRB 000926, GRB 001109, GRB 010222, GRB 010921, GRB 011121 and GRB011211). ... 600...

... Chapter 4: Solar System Targets > 4.2 Target Identification . ... The following information is required to identify and classify each target. ... For example, separate targets should be defined if you plan to take spectra of several different surface features on a planet, or if you plan to observe the same feature with different timing constraints. ... Description . PLANET . If the target is the center of a planet, enter PLANET followed by its name (e.g., PLANET JUPITER , PLANET SATURN ). ...

RTT150 . ... This search system is designed for generating the necessary information on series of pointings (observations of each source consist of sets of exposures with different filters and sometimes with different exposure times) for observed sources. Search results appear at the separate page as a table with the following data: . DATE - real (not evening!) observations date (in YYYY-MM-DD format); . ... Bin - minimal CCD binning mode (may vary during the observations); . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. October 21, 1999 . Follow The Spots . Credit: Louis Strous ( LMSAL ), SOHO - MDI Consortium, ESA , NASA . ... Just follow the sunspots . ... It shows the Sun's visible surface for most days of August 1999 so that the same sunspots appear many times as the solar rotation carries them across the face of the Sun . ... About APOD > . ...

... In this case, because polarimetry is not currently possible with the 3-mm system, only task mfcal is needed to perform bandpass and antenna calibration. ... This section outlines an alternative calibration approach exploiting the dual frequency bands of the ATCA. ... Unlike the approach of Chapter 11 , the approach described here does not split the data into separate single source, single frequency files before calibration. ... Input multi-source, dual-band dataset. select=source(1921-293) . ...

... The orbits as follows are considered: INTERBALL Tail Probe (IB_TAIL) & Auroral Probe (IB_AUR), GEOTAIL (NASA/ISAS), and POLAR (NASA). ... The situation investigation aim is to select the following favourable spatial positions (FSP) : . ... FSP3 : That part of the FSP1 & FSP2 time intervals, which corresponds to the magnetic conjugations of the any couple of the considered spacecraft. ... The polar diagram plot . ... The geocentric distance (GCD) of the 4 spacecraft as a function of the time. ...

TUI supports the following offsets: . Object Arc offset by a given amount on the sky (i.e. along the arc of a great circle). ... Arc offsets are useful for moving a different portion of your object or a different nearby object onto the boresight . ... Object Arc XY this is identical to an Object offset except that it has been rotated to align along the instrument x-y axes. ... This is just like the Calibration XY offset, except that it is typically cleared when you slew to a new object. ...

... It lists the coefficients defining the colour transformations, the zero points for the different filters and the aperture radii used in the photometric calibration analysis. ... The AB system zero point of the filter FilterID is stored in the keyword ABM0 FilterID , e.g. the AB zero point of the the U-filter is stored in ABM0U. The flux conversion factor derived from White Dwarfs of the filter FilterID is stored in the keyword FCF FilterID . ... description . ... AB Flux conversion factor of U . ...

... JavaScript is Netscape's cross-platform, object-based scripting language for client and server applications. This book is a reference manual for the JavaScript language, including both core and client-side JavaScript. ... JavaScript Versions . Where to Find JavaScript Information . ... Each version of Navigator supports a different version of JavaScript. ... The following table lists the JavaScript version supported by different Navigator versions. ... Enterpriser Server version . ...

... The cal values were measured by using absorber and sky as the hot and cold load. 5 second cal on followed by 5 second cal off was repeated 3 times at each position. ... Instead of computing the cals from the Y factor (since the coupling was so poor) i measured the cals as a ratio of the absorber temperature and sky temperature using the following parameters: . sky temp . ... Fig 1. The band passes for absorber position 1. polA (blue CalOn, red calOff). polB (purple calOn, green calOff). ...

PCI interface and backplane of NGC NGC Backplane General purpose Board features CompactPCI connector Ground and Power planes Bending of the backplane di Different backplane size Leander Mehrgan Backplane General purpose Designed to achieve requirements and specifications for: achie Excellent power distribution High speed differential pairs Mechanical specification Board features CompactPCI ... PCI controller done by the XILINX FPGA (IP core). ...

... The Zenit-SM Launch Complex . ... INJECTION PROFILE . ... LAND LAUNCH . ... 1-st burn of Block DM-SLB (Injection into reference orbit) . 2-nd burn of Block DM-SLB (Injection into transfer orbit) . 3-rd burn of Block DM-SLB (Injection into target orbit) . ... TM-data reception in real time with US main engine second burn is provided by the mobile measurement station developed by RSC Energia, located in Abidjan, Kot-d'Vuar Republic. ... Official WEB-site of S.P.Korolev RSC Energia . ...

Download Izmccd (~2.7 MB). Designation of objects on image. Circles of different colour mark objects on an image. ... The star or something another is marked for the following measurement. If set mode "i", at click on the star, a coordinates in pixels, equatorial coordinates, proper motions and star magnitudes in two photometric systems are printed in a window "Information". Equatorial coordinates; proper motions and magnitudes are printed, if this star is identified in a catalogue). ...

The preliminary version of documentation of the format for the interchange of calibrated optical/IR data being developed by Tom Pauls of NRL and John Young of COAST was presented and a number of issues discussed. The proposed format is in the general form of a relational database with different components stored in FITS binary tables. ... Should there be a single data table type that includes all data types, or multiple table types, one per data type? What data types are needed? ...