... LABORATORY OF RADIO ASTRONOMICAL OBSERVATIONS . Radio sources identification is one of the most important tasks of the current radio astrophysics. ... Optical idetification. ... Optical identifications of subsample of steep spectra radio sources from RC catalog using 6m SAO telescope of SAO RAS: optical observations. ... Astronomy Reports. ... Identification of radio sources with data of various radio catalogs allows one to construct continual spectrum of the object and its radio structure. ...

ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Staff list | ... Australia Telescope Compact Array . ... Australia Telescope Online Archive (ATOA) . ... VLBI . ... This message : [ Message body ] [ More options ( top , bottom ) ] . ... A proposal was submitted to the ATNF TAC late last year, and through this it is possible to arrange and schedule ground-space observations with RadioAstron on baselines up to 350,000 km. ...

... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

NStars 1: photometric surveyse --- | ... The second incremental release of 2MASS data provides accurate JHK S photometry for hundreds of millions of point sources covering 47% of the sky. ... The simple colour-magnitude limits outlined in Figure A1.2 encompass a wide range of astronomical sources: red giants, carbon stars, reddened Galactic stars, T Tauris and dusty QSOs, besides the targeted ultracool dwarfs. ... Figure A1.6: 9 are sources eliminated from the sample based on optical photometry. ...

... 88, Jan. 1983, p. 1-15. l. A survey of extragalactic radio sources made using driven declination scans is reported covering an area of about 0.07 sr to a limiting flux density of 35 mJy. The fast-scan survey was carried out at a galactic latitude greater than 17 deg with the NRAO 91-m telescope operating at 4.755 GHz, and the 480 sources detected were reobserved at 1.4 GHz with the National Astronomy and Ionosphere Center 305-m telescope at Arecibo. ...

JENAM 2011, European Week of Astronomy and Space Science, 4-8 July 2011, St. Petersburg, Russia Forthcoming mutual events of planets and astrometric radio sources Z. Malkin, V. L'vov, S. Tsekmejster Pulkovo Observatory, St. Petersburg, Russia Abstract. ... Close angular approaches of planet to astrometric radio sources During close angular approaches of Solar system planets to astrometric radio sources, the apparent positions of these sources shift due to relativistic effects. ...

... Visited 6949 times - Selected 51 months ago . ... Visited 7311 times - Selected 51 months ago . ... Visited 4085 times - Selected 52 months ago . ... Visited 4399 times - Selected 52 months ago . ... Visited 4150 times - Selected 52 months ago . ... Visited 4559 times - Selected 51 months ago . ... Visited 3961 times - Selected 52 months ago . ... Visited 9211 times - Selected 51 months ago . ... Visited 2227 times - Selected 52 months ago . ... Visited 3974 times - Selected 51 months ago . ...

SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

. Go Here for Hubble Ultra Deep Field . ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

... News Latest News News Archive Newsletter Quarterly Status Report . ... Data Analysis SAS News What is SAS? ... Calibration & Background Calibration Background Analysis . ... Back to Background Analysis Page . The XMM-Newton Extended Source Analysis Software package (XMM-ESAS) is developed at the NASA/GSFC XMM-Newton Guest Observer Facility (GOF) in cooperation with the XMM-Newton SOC and the Background Working Group. ... http://xmm.esac.esa.int/sas/current/doc/esas/index.html . ...

... 26.02.2007 . ... In an attempt to find out, the orbiting Spitzer Space Telescope made detailed observations of the atmospheres of two planets that orbit stars other than our Sun. ... It's not an astronomical nebula -- those appear to stay put. ... APOD: 2007 February 24- X rays and the Eagle Nebula . ... The premier Chandra X-ray Observatory images of M16, the Eagle Nebula, show many bright x-ray sources in the region. ... APOD: 2007 February 23- Dust and the Helix Nebula . ... February . ...

... Full details of the observations, data reduction and calibration of this survey, and the production of the 7C(G) compact source list, are described in Vessey & Green (1998, MNRAS, 294, 607) . ... b |<5њ, with a resolution of about 1.2 ? ... The survey consisted of 24 fields, spaced 3њ.5 in l , and alternating between b = +3њ and -3њ, but with a gap near l = 110њ. ... Please refer to the source list description for details of the entries ; the catalogue itself is available as: . ...

... American Astronomical Society . AstroWeb: Astronomy/Astrophysics on the Internet . ... NASA Astrophysics Data System: Abstract Service . ... Astronomy Astrophysics: Preprints Abstracts . ... Local archive of IAU Circulars. ... Germany, list of all Astronomical Institutes . ... Poland, Warsaw University Astronomical Observatory . Russia, Sternberg Astronomical Institute . ... Russia, Institute of Astronomy, Russian Academy of Sciences . ... USA, Astronomy and Space Science Group at GMU . ...

... There is free parking on the QUB site after 5.30 p.m. б  For details of all forthcoming IAA lectures and other events, see www.irishastro.org б б  . ... Lecture starts at 8pm. ... If you check the details for your location on www.heavens-above.com , you may find some passes that coincide, or nearly so, with passes of Nanosail-D - see below. ... NANOSAIL-D: NASA's first Earth-orbiting solar sail, NanoSail-D, is circling our planet and attracting the attention of sky watchers. ...

T he Nine Planets is a collection of information about our Solar System intended for a general audience with little technical background. ... T his document consists of about 90 WWW "pages", one page for each major body in the Solar System. ... if the object has satellites then its page has a table of data on them and links to their pages, . ... To visit the next body in an ordered traversal of the solar system choose the link immediately to the right of the name of the current page. ...

... The stars examined here were primarily culled from two lists of X--ray sources in Orion. ... The second region is two degrees in extent east--west and ten degrees north--south with Orionis being near the northern edge. ... In the end, two main regions were chosen for monitoring: stars near Orionis and stars northwest of the belt of Orion. ... The PSPC identified 22 sources within 15 of Orionis in addition to the sources listed in Table 1 , giving a total of 85 X--ray sources in the Orionis region. ...

The Astronomical Society of Australia has been asked by STANDARDS AUSTRALIA to compile a list of "designated" optical observatories that are valuable resources for (i) research, (ii) education and (iii) community use. The ASA is the final arbiter of whether any particular observatory is so designated. ... Upon receipt of your application form, your observatory will be entered on a list of "Pending Designated Observatories" on the ASA Home Page. ... It will be emailed for you. ... Email . ...

The IAA RAS . ... View details . ... Observatories 'Svetloe' and 'Zelenchukskaya' participate in frequent VLBI-observation sessions organized by the International VLBI Service for Geodesy and Astrometry . ... As part of collaboration with the U. S. Naval observatory in the areas of EOP determination and analysis the USNO uses IAA RAS daily EOP data obtained from SLR and VLBI. ... The IAA RAS and the Centre National d'Etudes Spatiales carry out joint DORIS observations on the Badary observatory. ...

... a) As source material for the high-school or college curriculum, especially in physics. astronomy and their history. (b) As a source of supplemental projects by high school students or by undergraduates. (c) As material for independent studies, In particular by motivated students who seek to know more about space . ... Those wishing to look up specific topics are advised to use the index file, accessible from the end of any "Exploration" file. ... files not listed and at other resource material. ...

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...