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... File Structure . ... There are five basic types of files (FITS tables) we use with the STSDAS software package Synphot and its successor pysynphot. component throughput tables (usually "_syn"): each such table gives the transmission curve for an individual element or "component" in the optical path of HST+SI. ... Master tables (For the most up-to-date files in use by pysynphot please check here ): . ... Since the set of pysynphot data files is rather large, they are distributed in separate tar files...

... An important element of the VO is a data model that can unambiguously represent the relationships between data values and physical properties. ... The Mapping component provides the translation from pixel elements to volumes in the phase space. ... This logical organization is framed by the Index Set , which specifies the indexes or labels that identify the individual data cells. ... This object uses a different Index Set and correspondingly different mappings to access the same data. ...

... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

... Classes . Files . ... Astronomy Observatory 00023 //# 520 Edgemont Road 00024 //# Charlottesville, VA 22903-2475 USA 00025 //# 00026 //# 00027 //# $Id: ComponentType.h 20299 2008-04-03 05:56:44Z gervandiepen $ 00028 00029 #ifndef COMPONENTS _COMPONENTTYPE_H 00030 #define COMPONENTS _COMPONENTTYPE_H 00031 00032 #include casa/aips.h 00033 namespace casac { 00034 class componentlist; 00035 }; 00036 namespace casa { //# NAMESPACE CASA - BEGIN 00037 00038 class String ; 00039 ...

System of astrometric databases of Pulkovo observatory. 26-inch refractor . Pulkovo system of astrometric databases consists of three databases, which contain results of processing photographic and CCD observations, obtained with the 26-inch refractor and the Normal astrograph of Pulkovo observatory. Pulkovo photographic catalogs: Pul-2, Pul-3 (Pul-3 SE), Pul ERS . Results of photographic and CCD observations of Solar system objects . ... Normal Astrograph ...

Next: General CCF Components Up: Calibration Access and Data Previous: List of CAL Routines Contents . This section contains descriptions of the structure of CCF constituents. ... The calibration team of the SOC is also providing additional CCF components where required in conjunction with data that were generated with SciSim. ... These CCF components are generated on a need basis and are identical in structure to the real life components. ... Generation from Ground Calibration Data . ...

The AstroGuide . ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . The observatory consists of a dome containing a 17" f/15 classical Cassegrain reflector, a roll-off roof building containing a 12.5" f/6.5 Newtonian reflector, a classroom building with a darkroom, and two other buildings. ... Web Site . http://www.astrohbg.org/naylor_observatory.php . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

... Right: Schematic of disk reprocessing in X-ray pulsars. The hard (power-law spectrum) X-ray beam sweeps around and illuminates the accretion disk, which reradiates a soft X-ray (blackbody) component. ... X-ray binaries owe their prominence to one of the most efficient energy release mechanisms known: accretion onto a compact object. In the accretion process gas from the atmosphere of the less dense companion is accelerated toward the extremely dense compact star. ...

Peremennye Zvezdy", . ... Star Name: . GSC 3710-00312, USNO-A2.0 1425-04252279 . ... Variability type: . ... USNO-A2.0 1425-04252279 is located at the distance of 15?.7 from the X-ray source 1RXS J031707.9+572942, which is larger than the position error of the source (12?), but its hardness ratio HR1 = 0.03 0.29, typical of chromospherically active stars, and its character of variability allow us to assume that the star is related to the X-ray source. ... Eclipsing variability . Sine wave 1 . ...

... In this first example, we allow an object to fall onto a small radar unit . The resulting Time-Frequency distribution is shown as a contour plot in Fig. 8 (a). Figure: FIGURE GOES SOMEWHERE IN THIS GENERAL VICINITY . ... Its density plot appears as an image in Fig. ... The response has a very high peak, as evidenced from Fig. ...

... Iron abundance in the atmospheres of components of the binary system 41 Draconis . ... 5B Iron abundances, FeI and FeII lines equivalent widths, and microturbulence velocities were found for the components of a highly eccentric spectroscopic and interferometric binary system 41 Dra from high resolution spectra obtained close to the periastron. Weighted mean values of iron abundances in the atmospheres are lgN(Fe) = 7.66 ± 0.03 and lgN(Fe) = 7.72 ± 0.03 for the component a and b, correspondingly. ...