... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... We have observed 210 Seyfert galaxies and 81 starburst galaxies with the 275-km Parkes - Tidbinbilla Interferometer (PTI) at 2.3 GHz (Norris et al., ... This result shows a significant difference between the two samples, and shows clearly that, although a few starburst galaxies may contain a buried AGN, the majority do not. ...

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• Australia Telescope National Facility
• TTF: A Flexible Approach to Narrowband Imaging
• Australia Telescope Online Archive

... Accurate positions of 404 compact radio sources used as calibrators by the VLA are presented. In addition, the structure and polarization of each source at both 4885 and 1465 MHz are given. ... Amplitude calibration was based on 3C286, whose fluxes at 4885 and 1465 MHz were assumed to be 7.41 and 14.41 Jy, respectively, in accord with the scale of Baars et al. (1977). short description of columns, as taken from the publication: . 1 source name . ... 8 Polarized flux at 4885 MHz (mJy) . ...

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• Radio survey for new compact HII regions
• Container Widgets
• Menu Widget

... Heavy Black Hole Jets in 4U1630 47 . ... Credit Copyright: NASA , CXC , M. Weiss Explanation: What are black hole jets made of? Many black holes in stellar systems are surely surrounded by disks of gas and plasma gravitationally pulled from a close binary star companion. ... The 4U1630-47 star system is depicted above in an artist's illustration, with a large blue star on the right and jets emanating from a black hole in the center of the accretion disc on the left. ... Orbiting a Black Hole . ...

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• XWare > APOD

... February 17, 1999 . Hickson Compact Group 40 . ... Explanation: Galaxies , like stars, frequently form groups. A group of galaxies is a system containing more than two galaxies but less than the tens or hundreds typically found in a cluster of galaxies . ... Pictured above is nearby compact group Hickson 40. ... Many galaxies in compact groups are either slowly merging or gravitationally pulling each other apart. ... About APOD > . ... NASA Technical Rep.: ...

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• APOD: 2013 November 20 - Heavy Black Hole Jets in 4U1630-47
• APOD Index - Galaxies: Clusters of Galaxies
• APOD: 2003 December 15 - Open Star Clusters M35 and NGC 2158

Courtesy of NASA's National Space Science Data Center . ... Venera 5 was launched from a Tyazheliy Sputnik (69-001C) towards Venus to obtain atmospheric data. The spacecraft was very similar to Venera 4, although it was of a stronger design. When the atmosphere of Venus was approached, a capsule weighing 405 kg and containing scientific instruments was jettisoned from the main spacecraft. During satellite descent towards the surface of Venus, a parachute opened to slow the rate of descent. ...

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• Venera 6
• Container
• Il container

... Shockproof Plastic Battery Storage Box Container Case for 16340 / CR123A Battery . ... Package Contents: 1 x Battery Case, 1 x Strap, 1 x Keyring, 1 x Carabiner . ...

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... The GHz Peaked Spectrum (GPS) and Compact Steep Spectrum (CSS) sources are compact, powerful extragalactic radio sources with well defined peaks in their radio spectra (near 1 GHz in the GPS, and near 100 MHz in the CSS). The GPS sources are entirely contained within the extent of the narrow-line region (< 1 kpc) while the CSS sources are contained entirely within the host galaxy (< 15 kpc). ...

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• STScI Preprint #1216
• Hanisch White: Preface
• Exposure Containers: Exposure Groups, Coordinated Parallels and Patterns

... The numbers of three types of compact binaries containing accreting NSs and BHs, which are most interesting from the point of view of their observational appearances, have been calculated as a function of time: i) X-ray transient source containing a NS in an eccentric orbit around a main sequence Be-star (the observed prototype: A0535+26), ii) BH The evolution of the selected types of X-ray binaries during the first 10 million years after the starburst onset is presented in Fig. ...

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• Gravitational Waves from Coalescing Compact Binary Stars
• Observational Zoo of Binaries with Compact Stars

Blackholes2 Forum Message . ... Post . ... A Field Does Not Contain Energy? ... Post Message | ... Here are two sites of many which use rest mass terminology. http://www.iop.org/EJ/abstract/0026-1394/41/5/S04/ . ... This site refers to the energy contained in a static gravitational field. http://www.ias.ac.in/currsci/mar25/articles27.htm . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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Searching for Ultra Compact Binaries in Globular Clusters What Are Ultra Compact Binaries? ... An ultra compact binary is a binary that consists two white dwarf To source the FITS files that contained the UV images, the sky coordinates stars and has an orbital period shorter than ~70min (A binary and the details on brightness for each star in each globular cluster we were consists of two stars orbiting around their centre of mass, it enables investigating, we used the XMM online archive. ...

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• Background
• Armagh Astronomers to observe Ringing Star with Global Telescope
• James Aumonier: Sheep washing in Sussex

... Cabinets containing the Palomar, ESO and UKSTтАж . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: Cabinets containing the Palomar, ESO and UKST survey plates and films. Description: NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ... NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ...

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• Walter Stibbs signs the page containing his picture for Kim Rawlings
• Naomi McClure-Grffiths
• Siding Spring Survey

Next: QPOE Files Up: IRAF/PROS Files Previous: IRAF/PROS Files . Image arrays ( e.g. dev$pix ) are the standard IRAF data files. ... imh file, stored in the current directory, contains only the header and a pointer to the associated .pix file. *.pix file, always stored in the image directory imdir (which the user specifies in the login.cl file), contains the data. ... A link used by IRAF to protect the first two files. ... IRAF can only access a *.pix file via the *.imh file which points to it. ...

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• *imexamine* - General analysis of image containing many sources
• The AstroStat Slog Blog Archive [ArXiv] 1st week, Nov. 2007
• Where to Find Example/Test Code

An artist's impression of the Circinus X-1 system showing the binary star system. The small white sphere is the neutron star тАФ an extremely dense and compact remnant of an exploded star. The red sphere is an ordinary star тАФ the companion star. When the two stars are at their closest, the neutron star pulls material from its companion star. An accretion disk (the blue disk) forms around the neutron star, containing the matter that is sucked from the ordinary star. ...

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BF9660C78-54BE-4A34-9504-AE8EAC82A4C9%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B78CD630D-C628-450D-B70F-3DF9E53A29CD%7D
• What would a bucketful of our Sun contain? | Astronomy.com

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to E-ELT Armazones . ... Survey Telescopes . ... Star Clusters . ... 2009 . ... Stars@ESO . ... ESO Science Newsletter . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... The VISTA mirror . ... Catch a Star 2013 . Catch a Star 2011 . ... 1993 - Engineers placing the VLT M1 Mirror in its Container Credit: . ...

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• Association logs
• Removal of containers | ESO
• Location of the Compact Configuration of ALMA | ESO Australia

As in the last years, the Ephemerides of Minor Planets for 2015 are prepared by the IAA RAS only in the electronic form. ... Orbital elements of all numbered planets have been determined in IAA all over again on the ground of available observations in the catalog of the Minor Planet Center. ... More detailed information on orbital elements used in the present volume of EMP and their accuracy is given in section "Information on new orbital elements". ... a) information on new orbital elements; . ...

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• EPHEMERIDIES OF MINOR PLANETS (EMP)
• Keywords_152
• Keywords_39

V. M. Gichev Sobolev Institute of Mathematics, Omsk Branch Omsk, Russia gichev@iitam.omsk.net.ru Invariant function algebras on homogeneous spaces Invariant function algebras on a homogeneous space contain many information (particularly, of the complex geometric nature) about it. Let G be a Lie group, which acts transitively on a manifold M . ... We say that A is an invariant function algebra on M if it is a closed G-invariant subalgebra of C (M ) that contains the constant functions. ...

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• Calculus-1(fall 2005)
• Конференция "Дзета функции"
• Conference "Zeta Functions"

... It provides for logging of the requests made to the server using the Common Logfile Format. This module has been replaced by mod_log_config in Apache 1.2 The log file contains a separate line for each request. A line is composed of several tokens separated by spaces: host ident authuser date request status bytes If a token does not have a value then it is represented by a hyphen (-). ... day = 2*digit . ... TransferLog . ... Context: server config, virtual host . ... Module: mod_log_common . ...

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... self-absorption - the absorption of light shining on an object by a process similar to that which produced the light originally; if a cloud emits less light than it absorbs from other clouds behind it, this net loss of light, termed self-absorption , causes the foreground cloud to appear darker than the background field (the term is from spectroscopy, where small absorption dips sometimes occur in larger emission lines, making the latter look as if it is absorbing part of itself) . ... HISA Main ...

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• How to Propose
• The Mock Spectrometer
• VIRGOHI 21

... Module name: constants . ... Constants . Pi-related constants . Angle conversion factors . Solid angle conversion factors . ... Fundamental physical constants . Energy conversion factors . Solar system constants . Unit conversion routines . ... Per unit frequency . Per unit wavelength . ...

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• A module containing routines to perform calculations relating to exposure...
• Contains an analytic approximation to the off-axis PSF, and routines to sample
• A module containing some useful type definitions

Next: Silicate minerals Up: A Database of Optical Previous: Database of Optical Properties . ... If necessary, data have been determined for the different crystallographic axes. ... In the following we give some examples of the data and their possible applications. Table: Summary of data measured in the Jena laboratory, which are currently available from the JPDOC. compound . ... amorph. ... Next: Silicate minerals Up: A Database of Optical Previous: Database of Optical Properties root 2003-03-06 ...

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• Database of Optical Properties -- Level: subpage
• Database of Optical Constants -- Level: welcome
• Silicate minerals