... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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... This calibration approach is recommended when dealing with high frequency data from the old ATCA correlator, especially at 3mm wavelengths. ... The approach described here exploits the dual frequency bands that were available with the old correlator. ... Rather the current approach assumes that you have a single Miriad dataset containing bandpass calibrator, phase calibrator, flux density calibrator and program source. ... MFCAL . ... Input multi-source, dual-band dataset. select=source(1921-293) . ...

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• VSOP Observing Schedule
• The Joint Approach
• VLBI Wiki | LBAApr2015 / V271nCdLog

Next: Extinction properties (transmitted radiation) . ... The notes in their current form concern only 2 but main for astronimy aspects of the optical properties of cosmic dust - the ability to extinct and polarize transmitted radiation. The corresponding obervational effects the extinction and polarization (not due to scattering) plaied and plays till now the primary role in astrophysical effects of cosmic dust considered in the literature. ... Extinction properties (transmitted radiation) . ...

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• Astronomy Electronic Preprints and Publications
• Local Access to Electronic Journals (history)
• Installation of MIDAS

In 2001, Westerbork observations of the disturbed galaxy named VV-29 (alias Arp-188, UGC-10214) showed that there is second smaller galaxy (named VV-29c) that appears behind the western side of the main body of the distorted galaxy. ... The galaxy was featured as the May 2, 2002 Astronomy Picture of the Day . ... When VV-29 had its 15 minutes of fame in May 2002, it appeared under the name "The Tadpole Galaxy," but based on the images above, we will always think of it as "The CHAINSAW"! ...

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• Gary Da Costa's Preprints Page
• Siding Spring Survey Follow-up Obs

... Structure of Data . ... Catalog . ... The SAI OCL Catalog site provides several VO-enabled modes of operation: . VO-enabled catalog data analysis from a browser . ... Endpoint URL is http://ocl.sai.msu.ru/catalog/conesearch/ . ... VO-enabled catalog analysis from a browser . Presently, this recipe works with Firefox (Windows, MacOS, Linux), Internet Explorer (Windows) and Opera (Windows) browsers with Java plugin 1.6 installed. ... Main TOPCAT window with SAI OCL catalog loaded will appear. ...

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Proceedings of Turbulent Shear Flows XI , 1997. NASA Technical Paper # 3555 , 1997. Proceedings of European Turbulence Conference VI , 1996. ESPRI Research Report # 104, 117-143 (1996) . ... Proceedings of Turbulent Shear Flows X , 1995. ASME Paper 95-GT-437 , 1995. ... Invited AIAA Paper 94-2281 presented at the 1994 AIAA Fluid Dynamics Conference, Colorado Springs, CO. AIAA Paper 94-2323, presented at the 1994 AIAA Fluid Dynamics Conference, Colorado Springs, CO. ...

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• Image: Dreaming about things on display. After checking, they appeared to be
• Warp Fix - S3 with GENDAC enhanced BIOS

... 8th August 2000: The VLT images the Comet Linear breakup shower . ... Comet C/1999 S4 (LINEAR) was discovered on 27 September 1999 by the Massachusetts Institute of Technology/Lincoln Laboratory programme LINEAR (Lincoln Near Earth Asteroid Research), at the White Sands Missile Range in Socorro, New Mexico, USA. The LINEAR programme , which uses a 1m prime-focus Cassegrain telescope to search the sky for comets and asteroids passing close to the Earth, is funded by the United States Air Force. ...

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• Picture including some objects that appear in Orrery
• The Irish Astronomical Journal

... Strange visual effects would appear as documented in the above relativistically-accurate animation . First of all, relativistic aberration would cause objects to appear to bunch up in front you. Next, the Doppler shift would cause the colors of forward objects to shift toward the blue, while things behind you would shift toward the red. ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: motion - color . Publications with words: motion - color . ...

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• Jet Approaching a Crescent Moon
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• XWare > APOD

Chapter 11. Specifying OpenGL Environment Variable Settings . ... Several antialiasing methods are available and you can select between them by setting the __GL_FSAA_MODE environment variable appropriately. ... To see the available values for __GL_FSAA_MODE along with their descriptions, run: nvidia-settings --query=fsaa --verbose . The __GL_FSAA_MODE environment variable uses the same integer values that are used to configure FSAA through nvidia-settings and the NV-CONTROL X extension. ...

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• Available Receivers
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... STScI-PRC96-25 HUBBLE'S 100,000TH EXPOSURE CAPTURES IMAGE OF DISTANT QUASAR The Hubble Space Telescope achieved its 100,000th exposure June 22 with a snapshot of a quasar that is about 9 billion light-years from Earth. ... The fainter object just above it is an elliptical galaxy. ... The quasar and star are separated by billions of light-years. ... Image files in GIF and JPEG format and captions may be accessed on Internet via anonymous ftp from ftp.stsci.edu in /pubinfo. ...

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• mod_authz_dbm - Apache HTTP Server
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• htpasswd - Manage user files for basic authentication - Apache HTTP Server

... HST . What guiding concerns should I have for my ACS observations? ... For ACS with single-star guiding , the following drift rate of the target on the detector are provided for reference. per 1000 sec exposure per orbit (96 min) ------------------ -------------- WFC 0.009 arcsec (0.18 pix) 0.052 arcsec (1.04 pix) HRC 0.011 arcsec (0.44 pix) 0.063 arcsec (2.53 pix) Assumes: - 1.5 mas/sec roll rate - maximum guidestar to target separation (1200 WFC and 1400 HRC) The ...

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• Aspects Available
• On-line STScI Preprints Search Page
• ODDISSEA Preprints Search Page

Modules | ... Apache HTTP Server Version 2.2 . ... Group authorization using DBM files . ... authz_dbm_module . ... Sets the name of the database file containing the list of user groups for authorization . ... Module: . ... The AuthDBMGroupFile directive sets the name of a DBM file containing the list of user groups for user authorization. ... Combining Group and Password DBM files: In some cases it is easier to manage a single database which contains both the password and group details for each user. ...

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• htpasswd - Manage user files for basic authentication - Apache HTTP Server
• mod_cern_meta - Apache HTTP Server
• mod_userdir - Apache HTTP Server

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) MASSIVE PHOTOMETRY OF LOW-ALTITUDE ARTIFICIAL SATELLITES ON MINI-MEGATORTORA S. Karpov, 1, 3 E. Katkova,2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Davydov5 E. Ivanov,2 A. Perkov,2 V. Sasyuk3 RESUMEN Favor de prop orcionar un resumen en espanol. ... The nine-channel Mini-MegaTORTORA (MMT-9) optical widefield monitoring system with high temporal resolution system is in operation since June 2014. ...

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... 2007 June 5 . Jet Approaching a Crescent Moon . ... On the left, an airplane cruises through the atmosphere leaving a contrail in its wake. ... Far in the distance, to the right of the plane, is the young Moon . ... The above image is framed by an eerie gray sky, too far from day to be blue, too far from night to be black. ... The plane crossed the Moon. The contrail dispersed. ... The Moon set. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

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• APOD: 2011 October 18 - Movie: Approaching Light Speed
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• APOD: 2014 August 3 - Dark Shuttle Approaching

The run progress pages document the execution of Service Mode and Visitor Mode observing runs carried out at the Paranal Observatory. A summary of the run's characteristics is given, as well as a time-stamped list of all Observation Blocks (OB) that were executed until now. ... If reduced data for the given run exist, those are also reported in both the OB Summary table and in the details. ... Reduced : information shown only if pipeline-processed reduced data exist for the OB . ... OB ID . ...

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• natural colour introduction
• ESO - The reduced science spectrum displayed in the Reflex window appears good
• ESO - Newsletter November 2015

This module provides for user-specific directories. ... Source File: mod_userdir.c . ... Module: mod_userdir . ... Use of the enabled keyword, or disabled with a list of usernames, is only available in Apache 1.3 and above. ... Directory-filename is one of the following: . ... A request for http://www.foo.com/~bob/one/two.html will be translated to: UserDir public_html -> ~bob/public_html/one/two.html UserDir /usr/web -> /usr/web/bob/one/two.html UserDir /home/*/www -> /home/bob/www/one/two.html . ...

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• Module mod_cern_meta
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• Apache module mod_setenvif

... Schubert calculus and Gelfand­Zetlin polytopes (with Valentina Kiritchenko and Vladlen Timorin), 32 pages, preprint, 2011. Available on arXiv:1101.0278. ... Springer fiber components in the two columns case for types A and D are normal (with Nicolas Perrin), Bulletin de la Sociґ ґ Mathґ ete ematique de France, to appear, 2011. ... Bruhat order for two subspaces and a flag, 30 pages, preprint, 2007. Available on arXiv:math/0704.3061. ... English translation: Moscow Univ. Math. ...

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• http://www.mccme.ru/dfc/2013/Program2/Khoroshkin_publications_2013.pdf
• http://www.mccme.ru/tg2007/talks/Novikov.pdf
• Transformation Groups 2007

To Do List ========== November 10, 2007 =============== Progress in base code not yet on this site will appear in the next beta version released here. ... Features in development for the next stable release include TDI with absolute timing Binning and subarea readout Autoguiding with the tracking control and adaptive optics features XML based server/client for remote use Command line version Browser version Connection to XmTel and XEphem for coordinate information in FITS headers ...

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• http://www.astro.louisville.edu/software/xmtel/archive/xmtel-5.1/DOCUMENTATION
• http://www.astro.louisville.edu/software/xmtel/archive/xmtel-5.2/DOCUMENTATION
• http://www.astro.louisville.edu/software/sbig/archive/xmccd-2.1/SUSE

Title: A Dark-Matter Spike at the Galactic Center? Authors: Piero Ullio , HongSheng Zhao , Marc Kamionkowski . ... Title: The Galaxy Environment of Quasars in the Clowes-Campusano Large Quasar Group at z~1.3 . ... Title: The Galaxy Environment of a Quasar at z=1.226: A Possible Cluster Merger . ... 16 matches for the search pattern galaxy environment . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/galaxy+environment/0/1/0/past,all/0/0 www-admin@xxx.lanl.gov ...

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• astro-ph authors/title/abstract search for 'galaxy cluster' (skipped 200) all

Next: To produce a region Up: Image Display in Xwindows Previous: General usage. ... Menu items are chosen by clicking any mouse button (cf. ... save current cursor as an include region (counts within region will be included in subsequent calculations) . ... When another image is displayed, the earlier one can be compared with it by pressing its respective mouse button with cursor in the main display window. ... Table 1: Detailed list of menu options . ... color . ... enter/leave region sub-menu . ...

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• About Tom's Asteroid Flybys Service
• Modifying the SAOtng GUI
• The galaxy M100