Russian Academy of Sciences Pulkovo Observatory On systematic and stochastic errors of radio source position catalogues Zinovy Malkin Pulkovo Observatory and St. Petersburg State University malkin@gao.spb.ru JournИes 2013, Paris, France, September 2013 Topics to discuss The following topics related to the radio source position catalogues are considered: 1. ... A new approach to assess the external stochastic errors of radio source position catalogues has been presented. ...

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... Show Times . ... Please select the appropriate show programme either 'term time' or 'school holiday' period. ... For more information on new events please visit the Armagh Planetarium Events Blog . ... Due to the darkness and sound levels children under six years old are only permitted to shows appropriate to this age range. Check the shows now playing page to find out what shows are suitable for young children. ... Armagh Planetarium reserves the right to change the show programme without notice. ...

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Galileo Explores Europa . ... Credit Copyright: Galileo Project , JPL , NASA Explanation: Details of the crazed cracks criss-crossing Europa's frozen surface are apparent in this mosaic of the Galileo spacecraft's latest images of Jupiter's ice-covered moon. ... One theory suggests that "dirty geysers" erupting along the cracks deposited darker material followed by a flow of cleaner water ice which produced the stripe. ... Is there now or was there ever liquid water beneath Europa's surface ? ...

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Next: Contents . Cover Illustration: The background image used on the cover is taken from a photograph by Bob Fosbury showing the bay in Sardinia close to where the conference took place. It is reproduced at far lower resolution than the original. The upper insert is one of the ESO VLT firstlight images and is a true colour view of the core of the globular cluster Messier 4. ... More details of the VLT first light are given in the VLT First Light paper. ... Next: Contents Norbert Pirzkal . ...

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... This API (Application Programming Interface) document has pages corresponding to the items in the navigation bar, described as follows. The Overview page is the front page of this API document and provides a list of all packages with a summary for each. ... Each package has a page that contains a list of its classes and interfaces, with a summary for each. ... Each of these pages has three sections consisting of a class/interface description, summary tables, and detailed member descriptions: . ...

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... Astronomical Observatory, Shevchenko Park, Odessa, 65014, . ... The XVI -th G. Gamow's Odessa Astronomical Summer Соnference-School, 14-20 August, 2016, Odessa, Ukraine . ... The XV -th G. Gamow's Odessa Astronomical Summer Соnference-School, 16-23 August, 2015, Odessa, Ukraine . ... The XIV -th G. Gamow's Odessa Astronomical Summer Соnference-School, 17-23 August, 2014, Odessa, Ukraine . ... The XIII -th G. Gamow's Odessa Astronomical Summer Соnference-School, 19-25 August, 2013, Odessa, Ukraine . ...

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Computer Ephemeris for 2014 from DE200/LE200. ... Sidereal Time. ... Apparent equatorial positions. Ecliptical positions. ... Chebyshev polinomial approximation of positions. ... Position and velocity. ... Dynamical time. Sidereal time. ... Osculating elements of planetary orbits. Planetary configurations (by time). ... Fundamental ephemeris. ... Ephemeris for physical observations. ... Stars. ... All comments on Computer Ephemeris please direct to the author: charlie@mail.univ.kiev.ua ...

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. Please standby and you will be automatically connected to the new location of the unframed Supernova page. Or, click on the link above. If you have questions or problems, please email me at David Bishop dbishop@vhdl.org . Last modified: Mon Aug 27 12:40:15 EDT 2001

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Instructions for Uploading Images and Video Related to the Columbia Accident . For anyone who has recorded video or taken photos that they believe may be of aid in the investigation of the Space Shuttle Columbia accident, NASA has established a special location on the Web where Internet users may upload their media files to be reviewed by NASA. ... Image file: johndoe_020203_0415pm.jpg . ... If you have any problems uploading your files, please e-mail Mike Koester . ...

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... New Members . ... October Public Night . ... Any time you have something you'd like to offer - be it a story of how you first got started in astronomy, a star party you just attended, a telescope you just bought, or your favorite constellation, just drop me a line with the story included and I'll be sure to get it posted! ... If for some reason you need a hardcopy and cannot print one yourself, please feel free to contact me at 419-845-2629 and I will be happy to send you one via regular postal mail...

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After some period of quiet Sun the exciting Sun-Earth connections event as the big magnetic storm was observed at January 10-11, 1997 by various satellites and ground-based instruments. Scientist meet this challenge with unprecedented activity and a few data bases was created in relation with solar event/magnetic storm on a few WEB-sites. ... According the Moscow observatory data the sudden storm commencement (SSC) take place at 01:08 Universal Time of January 10, 1997. ...

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... Thursday, Feb 10, 2011 at 8:00 PM . This month's meeting will feature four members speaking on different astronomy - or telescope - related topics. ... Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. ... Thursday, Feb 10, 2011 at 8:00 PM in Phillips Auditorium, Harvard-Smithsonian Center for Astrophysics ( 60 Garden St, Cambridge, MA ). ... Other Monthly Meetings . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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The most up-to-date information related to atmos 3.0 are collected here due to constantly increasing interest to MASS/DIMM processing software... atmos 3.0 is still beta , so the latest version is 2.97.5 (there is also 2.98.x branch which absorbs new features) . ... M' line: . ... free seeing and its relative error . ... dimm seeing and its relative error (if dimm data are present, zeros otherwise) . ... dimm turbulence power and its relative error (if dimm data are present, zeros otherwise) . ...

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... 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. ...