... 8, ``Celestial Mechanics'', 2002 First results of GPS orbit determination with GRAPE package using a square--root information filter M. O. Keshin Institute of Applied Astronomy, St. Petersburg, Russia The zero--differenced carrier phase measurements contain the distance be­ tween the phase centres of receiver and transmitter antennas biased by unknown integer number of cycles (phase ambiguities). ... In the case of GPS the problem of solar radiation pressure modelling is of primary importance. ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... BOM2 and the basic block of solar limbograph including pointing and control systems ? ... Fine tracking platform (FTP) for Sun tracking by the sight axis of the limbograph; . ... Tracking system frequency ? ... Controller of the control system and solar fine tracking of the sight axis of the limbograph; . ... The basic relative construction of the elements and instrumental blocks of the "Astrometria" space experiment is shown on the block diagram of units within the complex of SL-200 solar...

... Older browser versions had the nice feature that MIME types (related to the extensions .esh and .ash) and the corresponding actions could be managed directly by the user. For security reasons, this has been disabled for newer browser generations, including the firefox installed on the muc blades. ... 2.1 Heritage accounts and profiles . ... Search for the string 'wrapper': all profiles with a mimeTypes.rdf file containing 'wrapper' are heritage profiles, and you can use them for your browser. ...

My colleagues and I have recently completed a series of observations of SN1999an. ... The telescope is located at Martin Observatory in Blacksburg, VA, and is operated by the Physics Department of Virginia Tech. Our IAU Minor Planet Center Observatory Code is 841. ... Attached you will find a copy of one of our images (in .jpg format) with the supernova indicated. ... Virginia Tech Department of Physics . Back to Bright Supernovae . Back to Supernova 1999an . ...

Ground Support of RadioAstron . Control and Tracking Stations . RadioAstron satellite control (command transmission, telemetry, orbit measurements) will be conducted from Evpatoria and Bear Lake control stations. ... Coarse orbit measurements will be carried out from control stations. Each measurement takes ten minutes. ... Orbit measurements at tracking stations give only radial component of spacecraft velocity but the measurements are going continuously during observing sessions. ...

Welcome to K -corrections calculator, simple service allowing one to determine K -corrections of a galaxy, given its redshift and one or more colours. ... K -correction in choose filter.. ... Redshift . Colour choose colour.. Colour value . Calculator . ... calculate spectral energy distributions , K-corrections calculator , GALEX FUV NUV , UKIDSS YJHK , K-corrections of galaxies , spectral based k-corrections , SDSS filter set K-corrections , K correction code IDL , kcorrect IDL C , . ...

... The publishers undertake translation into English, publication, and distribution of English-language papers of their journals (that is, the use of results of intellectual activity) only upon signing of copyright transfer agreements. ... To simplify interaction between author(s) and publisher, please submit copyright transfer agreements (in the Russian or English language) together with the manuscript to the editorial board of the respective journal. ... These agreements are contracts of adhesion. ...

Общая Астрономическая Конференция > Практика > Астрономические наблюдения > Новая . ... 27.10.2009, 21:16 . ... 1994 (Daniel W. E. Green, ed.) reports the discovery of an apparent nova by Koichi Nishiyama, Kurume, Fukuoka-ken, Japan, and Fujio Kabashima, Miyaki-cho, Saga-ken, Japan, at magnitude 9.3 on two 60-s unfiltered CCD frames taken on Oct. 26.439 and 26.440 UT. Five unfiltered CCD frames taken around Oct. 26.455 yielded mag 9.3 and the following position: . ...

Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

... FIELD | ... METHOD . DETAIL: FIELD | ... ImageJ plugins that process an image may implement this interface. ... setup(arg, imp) : The filter should return its flags. - showDialog(imp, command, pfr) : The filter should display the dialog asking for parameters (if any) and do all operations needed to prepare for processing the individual image(s) (E.g., slices of a stack). ... Field Summary . ... This method is called by ImageJ to inform the plugin-filter about the passes to its run method. int . ...

... IC 1396 . IC 1396, better know as the Elephant's Trunk. ... LGB (no red)and H filters as follows: . L - 25 images, G and B - 15 images each, all with a subframe of 180 seconds. Halpha (Used Halpha in place of Red filter) - 20 images of subframe 360 seconds. Processed/stacked with CCDStack. Combined and stacked with PS CS5. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... After the edit, recompile the kernel and recompile the Apache server then reboot. ... If you're running a really busy BSD Apache server, the following are useful things to do if the system is acting sluggish: . ... Maximum # of processes . ... This machine is a server that handles lots of traffic, # so we crank that value. options NMBCLUSTERS=4096 # mbuf clusters at 4096 # # Misc. options # options CHILD_MAX=512 # maximum number of child processes options OPEN_MAX=512 # maximum fds (breaks RPC svcs)...

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

... Entry Date : Since: Day(DD) Month(MM) Year(YYYY) Min Score: Select References From: All bibliographic sources All refereed journals All non-refereed publications Selected journals : Select References With: A bibliographic entry At least one of the following (OR): All of the following (AND): Abstracts Data Links Full Text Articles Scanned Articles Electronic Articles Table of Contents Mail Order Links References Citations Other related ... Authors Objects Title Abstract . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Maximize a minimum filter . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

REPORT ON THE SIMONS­IUM FELLOWSHIP 2013 AND DYNASTY FOUNDATION ILYA VYUGIN Results of the 2013 year On solvability of linear differential systems. ... On the linear indep endence of the system of functions. Consider the scalar Fuchsian linear diferential equation u(n) + b1 (z )u( n-1) + . ... The system consists of products of the functions xt and powers of fundumental solutions yi i (x) of some linear differential equation. ... Linear differential equations: monodromy, singular points. ...

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. ...

OFFICIAL PRESS RELEASE . ... to the International Space Station . ... Technical management is chaired by N.N. Sevastyanov, President of RSC Energia, General Director for manned space complexes and Technical Manager for flight tests. ... The vehicle and ISS Russian Segment flight is under control of the Lead Operational Control Team (LOCT) working in the Mission Control Center in Moscow (MCC-M), (Flight Director is V.A. Soloviev, Vice-President of S.P. Korolev RSC Energia, Deputy General Designer). ...

Next: Feature enhancement: normalizing Up: No Title Previous: Feature enhancement: pulsing . The inverse transform is at the core of the best known applications of wavelets: data compaction and numerics. ... Two applications fall within our scope: filtering and denoising. Filtering consists of using only a portion of the wavelet map in the inverse transform process, masking out certain durations. ... Figure 23: Filtered reconstruction of the intermittent signal. ...