... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

... Basic Observables: Zero-differenced phase and code ionosphere-free combinations of global GNSS network stations, corrected by P1-C1 satellite code biases (cc2noncc), daily observations with 30 seconds sampling rate Sites coordinates : IGb08 reference frame coordinates and velocities Displacements: solid tides, ocean loading, pole tide loading (IERS 2010) Geometric model : Receivers antennas eccentricities, absolute receiver and ...

THE NAUTICAL ASTRONOMICAL ALMANAC (in Russian-English) . NAA-2 provides an easy access to useful navigational publications aboard a ship. ... In conformity with the STCW95 Code provisions, every watch officer, chief mate and master should be able to use classic methods of nautical astronomy, so they will surely appreciate the new ?Nautical astronomical almanac? available. ... Ph.D. M.L. Sveshnikov (editor-in-chief), . ... Ph.D. N.I. Glebova , . ... THE NAUTICAL ASTRONOMICAL ALMANAC . ...

... every new catalog of objects has to be contained in the UNIX directory having the same name as the catalog of objects; . ... the programs for local operations (programs of low level) with the catalog of objects are also in the same directory; . brief characteristics and names of the programs and file with the description of the catalog are stored in the file cats_descr ; . ... All astronomical catalogs have a different format and list different observables. ...

... Interdisciplinary seminar "Satellite methods and systems for Earth research" (chairman - corresponding member of Russian Academy of Sciences G.M.Chernyavsky) . ... SMIS Information System for Acquisition, Processing, Storage and Distribution of Satellite Data . ... Provides operational access to satellite data and derived products. ... Provides automatic collection, processing and cataloging of satellite data and remote access to information. ... Provides remote access to information. ...

Hide Zen home . ... Large scale survey projects produce huge amount of data, which needs to be processed and organized in databases to provide access by astronomical community. There are many problems in the current state of art of accessing large astronomical databases and organizing programmatic access to the distributed and diverse data, which Virtual Observatory initiative should eventually to solve. ... Nowadays, it's not unusual to work with billions of objects in terabyte-sized database. ...

... Tracking stations will be selected in accordance with the schedule issued daily by the General Operative Control Group (GOCG) in Lavochkin Association with the gaps in operations during spacecraft contact with the control stations (CS). ... Communication frequencies (carrier): high data rate information transmission downlink from the SRT ­ 15.000 GHz; uplink synchronization ­ 7.2075 GHz; downlink synchronization ­ 8.400 GHz. ...

Home About Meade Product Information Dealer Locator Customer Support Investor Relations Dealer Support Employment Opportunities Site Map . Meade Instruments Corporation . ... Meade Pictor XT-Series CCD Autoguider/Imagers . Section 13: Viewing and Processing Images . ... The software can read most images in these formats, and convert between them using the File, Save As command. ... This is done by placing the information in a .txt file with the same name as the image file). ... Merge Images: . ...

As it was already mentioned, the idea behind File Juggler is rather simple: using CGI scripts as processing tools and WWW browser as user interface, display the structure and content of typical anonymous FTP server in a convenient, easily navigated form. ... My P5-133 spends about 0.025 ms on one file when doing linear search with simple criterion (690 ms for 27,000 files, search for substring among file names/descriptions with 70 hits). ... Let's now look whether we can handle 1,000,000 files. ...

INTEGRAL SOURCE RESULTS PAGES AND ACCESS TO INTEGRAL DATA THROUGH VIRTUAL OBSERVATORY: SCIENTIFIC MOTIVATION AND RECENT STATUS Д Д Petr Kubanek1,2 and Rene Hudec 1 2 2 INTEGRAL Science Data Center, Chemin d'Ecogia 16, Versoix, Switzerland Astronomicky ustav Akademie ved Ceske republiky, Ondrejov, Czech Republic ДД Д ABSTRACT In its current status, the Virtual Observatory (VO) is an international effort to handle distributed databases of all data taken from the sky. ... The INTEGRAL Burst Alert System. ...

Instructions for using Menu-driven Axis Control Software . ... Altitude and azimuth axes use position feedback and the setting is in counts per second times 10. ... Use b to set the brakes and use c to clear the brakes for the corresponding axis, either azimuth or altitude. ... Use m to move to the previously specified position and velocity for the corresponding axis; either azimuth or altitude. ... Use g to move to the previously specified position and velocity for both the azimuth and altitude axis. ...

... SFIT is a general-purpose code designed to optimize theoretical stellar spectra to an observed spectrum. ... While the programme expects input from "stdio", it is more natural to save commands in a file (eg "sfit_input") and run the code simply by . ... If the spectra to be fitted have a filename "star_spectrum", then the best fit spectrum will be written out, together with the renormalized input spectrum, to a file called "star_spectrum.fit". ... sets up model spectrum grid (and for 2nd star) . ...

Links given for particles of different shapes allows one to access our graphics illustrating the dependence of various optical properties of model scatterers on their parameters. ... Q ext , Q sca , Q abs , Q bk , albedo, g, Q pr vs x for different m . F ij vs theta for different x, m . ... Q ext , Q sca , Q abs , Q bk , albedo, g, F ij vs x for different m, alpha . F ij vs theta for different x, m, alpha . ... Q ext , Q sca , Q abs , Q bk , albedo, g, Q pr vs x for different m (TE/TM modes) . ...

... 18-Jan-2010 17:22 . ... Apache/2.2.3 (CentOS) Server at www.wdcb.ru Port 80 ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...