The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The term "astronaut" derives from the Greek words meaning "space sailor," and refers to all who have been launched as crew members aboard NASA spacecraft bound for orbit and beyond. Since the inception of NASA's human space flight program, we have also maintained the term "astronaut" as the title for those selected to join the NASA corps of astronauts who make "space sailing" their career profession. ...

... An Empirical Pixel-Based Correction for Imperfect CTE . I. HST's Advanced Camera for Surveys (ISR 10-03) . ... Advanced Camera . ... CTE Information . ... CTE Formula Corrections . ... Aperture Corrections . ... ACS ISRs . ... We use an empirical approach to characterize the effect of charge-transfer efficiency (CTE) losses in images taken with the Wide-Field Channel of the Advanced Camera for Surveys (ACS). ...

... Science Users Information > Science Publications > Science Announcements > Revised Acknowledgement for Publications Based on ESO Data . ... Science Archive Facility . ... When findings based on ESO data are published, acknowledgement is requested through a specific statement, to be found here . ... Please add this acknowledgement to your future papers which are based on ESO data, regardless of whether these are new observations using proprietary data or data obtained from the ESO Science Archive . ...

... NGC 3370: A Sharper View . ... Credit: Hubble Heritage Team , A. Riess ( STScI ) NASA Explanation: Similar in size and grand design to our own Milky Way , spiral galaxy NGC 3370 lies about 100 million light-years away toward the constellation Leo. ... Looking within NGC 3370, the image data has proved sharp enough to study individual pulsating stars known as Cepheids which can be used to accurately determine this galaxy's distance. ... Spiral Galaxy M83: The Southern Pinwheel . ...

... NIS / NIS+ . ... Radius . ... There is an NIS / NIS+ HOWTO at: http://metalab.unc.edu/LDP/HOWTO/NIS-HOWTO.html , and O?Reilly has an excellent book on the subject, "Managing NFS and NIS" . NIS / NIS+ runs over RPC which uses port 111, both tcp and udp. ... ipfwadm -I -a accept -P udp -S 10.0.0.0/8 -D 0.0.0.0/0 111 . ... Kerberos is a modern network authentication system based on the idea of handing a user a ticket once they have authenticated to the Kerberos server (similar to NT?s use of tokens). ...

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? ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ... Next: Step 3: Postprocessing to Up: How Pieflag works Previous: Step 1: Amplitude-based flagging . ...

Download 1.1 Beta Now! ... Separate object manipulation mode added (also still available with Control Key). ... Tom's TkDraw is currently in beta release. It is my own personal drawing program and original Tcl/Tk project which I started more than ten years ago. ... Limited support for images was just added, and is great for tracing an image, or adding some annotations to an image (for instance drawing a route onto a map without actually altering the map image). drag, reshape, and resize objects . ...

... Feeding the Monster: Gas Caught in its Death Spiral into a Massive Black Hole . ... Stromlo Professor Mike Dopita have used the Hubble Space Telescope to discover how a massive Black Hole in a nearby galaxy feeds itself. ... Earlier Hubble Telescope data obtained by another team member, Professor Holland Ford of Johns Hopkins University in Baltimore, Maryland, had found a disk of gas rushing around the Black Hole at a speed of 500 kilometers a second. ...

... Previous: Background Fluctuation Analysis from the Multiscale Entropy . ... A new measure of information is defined which is based on noise modeling and incorporates resolution scale. Properties of this measure are discussed. ... Additionally it allows for image noise modeling, and subsequent noise removal. ... Hence information- and entropy-based processing technologies will be necessary for the effective design and implementation of large, future generation, image databases. ...

2014 May version . ... Green D. A., 2014 , Bulletin of the Astronomical Society of India, 42 , 47-58. ( .pdf , or arXiv.org:1409.0637 ) If you make use of the detailed version of the catalogue, then plaese also cite: . Green D. A., 2014, `A Catalogue of Galactic Supernova Remnants (2014 May version)' , Cavendish Laboratory, Cambridge, United Kingdom (available at "http://www.mrao.cam.ac.uk/surveys/snrs/" ). ... Copyright D. A. Green 2014. 25872nd access to this version of the catalogue. ...

.

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

... Initially SAI Supernova Catalogue was presented in the form of filebased system. ... The current version of SAI Supernova Catalogue presents data on supernovae together with data on their parent galaxies. ... The main source of data for the galaxies was LEDA database. ... In some cases our data were compared with the ones from the Asiago Supernova Catalogue and from List of Supernovae at Harvard-Smithsonian Center for Astrophysics, but the compilation of our Catalogue is carried out independently. ...

... Mokhovaya st., 11, Moscow, 103907, Russia . ... Moscow Institute for Physics and Technology . ... 9, Dolgoprudny, Moscow region, Russia. ... 1999, Vol. ... In this report, we discuss an approach to construction of information searching systems based on dynamic chaos and intended to operate in computer networks, local area or Internet. Also we discuss an application of this technology to the problems of searching for information in unstructured text databases with natural-language requests. ...

... Общероссийская неделя "Астрономия на тротуаре" - 15-17 апреля . ... Практическая астрономия ? Астрономия и компьютеры (Модераторы: Deimos , Ed_Vazhorov ) ? PIC 16F627 Based EQ-5 / CG-5 Dual Axis Hand Controller . ...

Atomic Data and Plasma Diagnostics Centre . Yuri Ralchenko Database List . ... Atomic and Molecular data bases . Data Base Code . ... Atomic Data for Astrophysics . University of Kentucky, USA . MSCD . ... Center of Atomic data and Plasma diagnostics . ... Atomic Data for Res. ... Atom. ... Atomic Photoionization Database . ... BIBL . ... Atom Data Cent. ... BIBL:MSCD . ... Strasbourg, France . ... DAta Base for X-Ray project . ... Atom.Mol.Data Inf.System . ... Atomic Data Databases . ...

. Please use the following for publications and media citations: . "Based on observations obtained with Apache Point Observatory's 0.5-m Astrophysical Research Consortium Small Aperture Telescope." . List of publications based on 0.5-m observations (TBD) . for questions or comments contact archive server .

... Directives | ... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 > Virtual Hosts . ... Setting up a single daemon with virtual hosts . Name-based Virtual Hosts Support . As the term IP-based indicates, the server must have a different IP address for each IP-based virtual host . ... For each installation, use the Listen directive in the configuration file to select which IP address (or virtual host) that daemon services. e.g. Listen www.smallco.com:80 . ...

See also: Name-based Virtual Hosts Support . As the term IP-based indicates, the server must have a different IP address for each IP-based virtual host . ... There are two ways of configuring apache to support multiple hosts. ... For each installation, use the Listen directive in the configuration file to select which IP address (or virtual host) that daemon services. e.g. Listen www.smallco.com:80 It is recommended that you use an IP address instead of a hostname (see DNS caveats ). ...