... This window allows the user to manually select new sources from the image to be added to the current list of sources. A source is selected by using the mouse to place the cursor at a particular point on the image and then clicking the left mouse-button to store it. By default, the coordinates of the source will be refined by a moments centroiding algorithm, but this can be switched off by unchecking the centroid button. ... Newly selected sources table . ... old regions . new regions . ...

Next: Discussion Up: Second priority candidates Previous: The random selected sample . To improve the efficiency for the selection of BCGs among the second priority candidates we introduced additional selection criteria using the APM (Irwin [ 1998 ]) database. ... The second priority candidates classified as BCG/H II based on their slit spectra all have rather blue colours according to the APM database (APM ). ... One BCG of the four newly found is classified in the APM as stellar. ...

... User Guide ] Key: select This keyword selects the subset of the visibility data to be processed. ... If only one value is given, uvmin is taken as zero. uvnrange(uvmin,uvmax) Select visibilities with uv radius between uvmin and uvmax (in nanoseconds). If only one value is given, uvmin is taken as zero. visibility(n1,n2) Select visibilities numbered n1 to n2 inclusive. increment(inc) Select every inc'th visibility. ra(r1,r2) Select visibilities whose RA is in the range r1 to r2. ...

Next: DETAILED LIST OF ROSAT Up: PROS USERS GUIDE Previous: List of Related Documents . This section lists all PROS tasks (some of which are not described in this guide) and some useful IRAF tasks which are included. ... converts FITS to images and/or tables . ... delete a list of images . ... convert an Einstein FITS file into an IRAF/PROS QPOE file . ... convert a list of IRAF/PROS IMAGE files into RDF compatible format . ... convert a list of IRAF/PROS QPOE files into RDF compatible format . ...

Available online at: . http://www.stsci.edu/instruments/wfpc2/wfpc2_doc.html. The WFPC2 Instrument Handbook , Version 8.0 . The HST Data Handbook , Version 4.0 . ... The WFPC2 Tutorial , a step-by-step guide to reducing WFPC2 data . ... The WFPC2 Reference Files, a complete list of all reference files available for recalibrating WFPC2 data. The STSDAS SYNPHOT User's Guide . The Guide to WFPC2 SYNPHOT Tables , which describes the use of the STSDAS task SYNPHOT for WFPC2 photometry. ...

home education > resources . ... Education from Mercury . ... Selected Topical Bibliographies . Astronomy Education Bibliography . ... Teaching . ... Lebofsky, N. "A Skunk is in the Sky, or Is It a Plow?" in Science Scope, Mar. 1994, p. 26. ... Levy, D. "Project ARTIST" in Sky Telescope, June 1994, p. 98. ... MacRobert, A. "Astronomy with a $5 Telescope" in Sky Telescope, Apr. 1990, p. 384. ... Reviews the National Science Education Standards and what they say to those who teach astronomy. ...

... Clicking on PLOT S CREEN will display the plot. At this stage, you can fit functions to the data ( FIT : the residuals are plotted and can be manually edited), enter a new plot range (R ANGE : enter 0,0 for automatic scaling) or by defining a window (W INDOW : click left button to anchor upper left corner, click middle button fix size and shift box, click left button again to fix position or right button to select automatic scaling and exit), identify ...

... Meantime catalogue represents data collected by MSU-E & MCU-SK devices from spacecrafts "Resurs" , "Okean-O" and "Meteor-3M". ... Select in particular fields on the main page of catalogue ' Search MSU-E ' or ' Search MSU-SK ' for immidiate search using selected criteria, then provide coordinate data, time as well as quality and percentage of clauds and submit your request. ... For browsing archived data refer to ' Data ordering ' item on the main page. ...

... Hughes STX/COSSC NASA/GSFC, Greenbelt, MD 20771 . ... The exploration of hypertextual data presentation at the COSSC was facilitated by the creation of tables of data, in electronic form, which describe the BATSE and EGRET datasets available in the Compton Observatory archive. ... As our store of data continues to grow, we will continue to explore new and novel ways in which hypertext allows the data in the COSSC archive to be presented and selected. 56 kB PostScript reprint . ...

... Пиджак Selected One Creed Moдель: 16046564 One SHCreed Blazer IСостав: 60% полиэстер 30% шерсть 10% другие волокна Модель: 27955519 . ... Пиджаки . ... Артикул: 93-DE-ZU-13 Цвет: металл Состав: нержавеющая сталь, стекло Описание: практичная и удобная сахарница с ложечкой будет незаменимым аксессуаром при любым семейном чаепитии. ... Кеды Woden Kasper Moдель: Kasper Low 14192 Модель: 2633504 . ...

Permitted Context: SELECT . ... The OPTION element can only occur within a SELECT element. ... When the form is submitted, the NAME of the enclosing SELECT element is paired with the OPTION's VALUE attribute to contribute a name/value pair for the selection. ... CLASS . ... The string to be used together with the name attribute of the enclosing select element, when submitting the form. ... SELECTED . ... This attribute is used within menus to define shaped hotzones associated with this option's value. ...

The Network Time Protocol (NTP) is used to synchronize the time of a computer client or server to another server or reference time source, such as a radio or satellite receiver or modem. ... Information on the NTP architecture, protocol and algorithms can be found in the following articles and reports, which are available online . Mills, D.L. Internet time synchronization: the Network Time Protocol. ... Mills, D.L. Network Time Protocol (Version 3) specification, implementation and analysis. ...

... 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. ...

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. ...

... Accelerating black holes, spin-2/3fields and C-metric . A TOPOLOGICAL EXTENSION OF GENERAL RELATIVITY TO EXPLORE THE NATURE OF QUANTUM SPACETIME, DARK ENERGY AND INFLATION . EFFECTIVE THEORY FOR QUANTUM GRAVITY . TESTS OF GENERAL RELATIVITY AND ALTERNATIVE THEORIES OF GRAVITY USING GRAVITATIONAL WAVE OBSERVATIONS . ... THE MASS OF THE OPPENHEIMER-SNYDER-BLACK HOLE: ONLY FINITE MASS QUASI-BLACK HOLES . ... NEUTRINO MASS AND THE STANDARD MODEL . Neutrino masses and flavor mixing . ...

D.Chumbalov and A.Romashchenko. ... Proc. 40th International Symposium in Mathematical Foundations of Computer Science (MFCS), Part 1. ... Preliminary version: Proc. 6th International Computer Science Symposium in Russia (CSR), 2011.) download: arXiv:1102.5538 , slides: pdf . ... Bulletin of the EATCS (The Logic in Computer Science Column by Yuri Gurevich) no. 97 (2009) pp. 126--136. download: pdf . ... Lecture Notes in Computer Science 5162 Springer 2008 pp. 527-538). download: pdf . ...

OptInt PmWiki . ... Forms . ... This page explains how you can embed input forms into wiki pages. ... input text name value size= n :) (:input hidden name value :) (:input password name value :) (:input radio name value :) (:input checkbox name value :) (:input select name value label :) (:input default default-name default-value :) (:input submit name value :) (:input textarea name [=value=] rows= n cols= n :) (:input reset name label :) (:input file name label :) (:input image name "src" alt :) . ...

... Algorithm for selection of defining sources 1. ... Take the common part of the "minimum" sets Make 1. and 2. for both global solution and time series and obtain common set 319 common sources for "global solution sigmas" case Comparison of IAA list, and 380 sources OPA list, set of defining sources ICRF1 and combined set Solution · Given catalogue RA, DE, arbitrary catalogue ra, de. dRAi RAi ra i Algorithm can be improved with additional condition Sum over all deltas less than 1 degree. ...

... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

. A tree for site navigation will open here if you enable JavaScript in your browser. HOME . ABOUT ST-ECF . CONTACT . Footprintfinder (@STSCI) . DER_SNR: a signal-to-noise ratio estimator (@STSCI) . PyMIDAS (@ESO) . PyRAF (@STScI) . AstoLib (@scipy.org) . Maintained by Richard Hook <rhook@eso.org> .