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5541. Astro Jargon
Note: An equivalent list, with Statistics terms described for Astronomers, is available at www.ics.uci.edu/~dvd/Astro/stat-jargon-for-astro.pdf . ... X-ray wavelengths geneally range from O(1) to O(100) ?. The equivalent unit of photon energy is [keV], where 1 eV = 1.609 10 -12 ergs, and [?]=12.3985/[keV]. ... Includes the combined telescope/filter/detector areas and efficiencies as a function of energy averaged over time. ... Emission Measure . ... Event . ... Photons v/s Counts . ...
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Ссылки http://hea-www.harvard.edu/AstroStat/astrojargon.html -- 16.9 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/astrostat/astrojargon.html -- 16.9 Кб -- 01.10.2012
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5542. PROS 2.5 Installation
... REQUIRED: IRAF 2.11 (2.10 non-SUN) TABLES 2.0 or higher CTIO Feb 1994 version -------------------------------------------------------------------- indicates user-supplied variable) I. Define the XRAY package under IRAF First do the following to define the XRAY package under IRAF : (as user iraf ) edit $ iraf /unix/hlib/extern.pkg and add the following lines using the path to the ...
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Ссылки http://hea-www.harvard.edu/PROS/pros_2_5.install.html -- 8.5 Кб -- 01.10.2012
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5543. Calc examples
You can do simple arithmetics % calc 2*2-8+16.789/3 + 3**2 10.5963 or more complex expressions % calc (3**2/4)**(1/3) 1.31037 and use functions (*See notes on functions): % calc sin(atan(0.95))*sqrt(4.32) 1.43154 or factorials (*See notes on factorials): % calc 5! ... All math. functions allowed in Perl ( abs , atan2 , cos , exp , int , log , rand , sin , sqrt ) plus . ... note that you also can use the ` deg ' constant: sind(30) sin(30deg) ] . ... Use `calc -h' to print out the defined constants. ...
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Ссылки http://hea-www.harvard.edu/~alexey/calc-examples.html -- 5.0 Кб -- 01.10.2012
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5544. SAO Council Minutes
... The Council discussed various large-scale data and simulation projects that need massive distributed computing. ... At the SAO Council's general open meeting with SAO staff on Thursday, Jan 27, 2005, Jon Miller pointed out that some HEAD postdocs on stipend only get 50% Health, no dental, and no retirement benefits. ... The Council notes record of earlier estimates by HR for provision of these important data to the CfA Gender Equity committee (c.f. item 9 in the SAO Council minutes of Oct 7, 2003 )....
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Ссылки http://hea-www.harvard.edu/~pgreen/min.2005.2.1.html -- 11.1 Кб -- 01.10.2012
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5545. Links
... The Chandra ACIS Survey of M33 - . Links to other major national and international observatories: . ... National Radio Astronomy Observatory (VLA, GBT, etc.) Australia Telescope National Facility (CSIRO, Parkes) . ... ALMA (NRAO link) . ALMA (ESO link) . ... Spitzer Space Telescope (Caltech) . James Webb Space Telescope (future mission) . ... Hubble Space Telescope . ... European Southern Observatory (VLT, ALMA) . ... GALEX (NASA page) . ... Chandra X-ray Observatory (CfA) . ...
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Ссылки http://hea-www.harvard.edu/vlp_m33_public/home4.html -- 5.0 Кб -- 01.10.2012
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5546. Aims of ChASeM33?
ChASeM33 . The Chandra ACIS Survey of M33 - . ... The major sources of feedback into the ISM are massive OB stars, which inject energy via Lyman continuum photons, stellar winds and, finally, supernova explosions. ... SB interiors are generally more efficient than individual SNRs in converting thermal into kinetic energy of expansion, because radiative losses are smaller in SBs than for the same number of isolated explosions. ... 1) Is the diffuse hot ISM shaped predominantly by SNRs or by SBs? ...
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Ссылки http://hea-www.harvard.edu/vlp_m33_public/home2.html -- 6.2 Кб -- 01.10.2012
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5547. Why ChASeM33?
ChASeM33 . The Chandra ACIS Survey of M33 - . The Chandra ACIS Survey of M33 (ChASeM33) is a very deep X-ray survey of the nearest face-on spiral galaxy, M33, using the superb spatial resolution of the Chandra X-ray Observatory . In order to understand motivation and scope of the survey, it is useful to know that it is in spiral galaxies that much of the drama of the present universe plays out: stellar birth and death, the recycling of matter from interstellar gas to stars and back again. ...
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Ссылки http://hea-www.harvard.edu/vlp_m33_public/home1.html -- 3.6 Кб -- 01.10.2012
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5548. Author Query Results
... 1.000 . ... Churazov,б?E.; Tremaine,б?S.; Forman,б?W.; Gerhard,б?O.; Das,б?P.; Vikhlinin,б?A.; Jones,б?C.; BцІhringer,б?H.; Gebhardt,б?K. Comparison of approximately isothermal gravitational potentials of elliptical galaxies based on X-ray and optical data . ... Vikhlinin,б?A.; McNamara,б?B.б?R.; Forman,б?W.; Jones,б?C.; Quintana,б?H.; Hornstrup,б?A. Evolution of Cluster X-Ray Luminosities and Radii: Results from the 160 Square Degree ROSAT Survey . ... Return: б?Results б?Form for manual query . ...
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Ссылки http://hea-www.harvard.edu/~alexey/publications.html -- 377.9 Кб -- 01.10.2012
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5549. Chandra Supernova Remnants Catalog - Note on Data Processing
True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . All data here have been generated from evt1 files downloaded from the CXC archive. Currently available CALDB files have been used to convert evt1 to evt2 files. ... If the remnant is bright and the flares are small, then the UN-filtered evt2 files have been used to make images. If the remnant is dim and/or the flares large, then the images were made from the filtered evt2 files. ... Chandra Supernova Remnant Catalog . ...
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Ссылки http://hea-www.harvard.edu/ChandraSNR/note_data.html -- 4.3 Кб -- 01.10.2012
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5550. Stat Jargon
... A means to update the model parameter probability distributions based on data. ... The posterior distribution represents the updated knowledge regarding the unknown model parameters after observing the data and other information pertaining to the unknown parameters. ... The prior distribution is a probability distribution that quantifies knowledge regarding unknown quantities (e.g., model parameters) prior to observing the data or other information pertaining to the the unknown quantities. ...
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Ссылки http://hea-www.harvard.edu/AstroStat/statjargon.html -- 14.3 Кб -- 01.10.2012
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5551. forteachers
For Astronomers: Finding a Partner Teacher . ... By now you've decided you want to start a Project ASTRO partnership, but you don't have a partner. ... When you contact a teacher, explain that you want to volunteer as a Project ASTRO astronomer and describe some of what you'd like to offer. ... Bring a copy of the Project ASTRO How-To Manual, The Universe at Your Fingertips, and other Project ASTRO resource materials you may have to a meeting with the school principal or classroom teacher. ...
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Ссылки http://hea-www.harvard.edu/astro/forastronomers.html -- 12.4 Кб -- 01.10.2012
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5552. http://hea-www.harvard.edu/REU/ORAU.application.html
... With information provided by the applicant, references may submit a Reference Report Form via FastLane; reference reports may also be submitted via postal mail. ... electronic mail: felapp@nsf.gov . ... If your browser does not automatically launch the Microsoft Word 97 on-line form, a message will appear to prompt you to save the Word file to a local disk drive. b. Information via E-Mail: You can have the Guidelines for Submission of Applications and application forms sent to you via electronic...
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Ссылки http://hea-www.harvard.edu/REU/ORAU.application.html -- 8.2 Кб -- 01.10.2012
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5553. Quasars: tracers of chemical abundances in young galaxies
Using QSO spectra to trace the early chemical evolution in galaxies. ... Hamann & Ferland (1993; see also Hamann & Ferland 1999 and references therein) showed how the NV emission line in QSO spectra can be used to measure the chemical abundances in the broad emission-line region (BELR) gas. ... The unusual spectrum of Q0353-383. ... This will tell us whether or not we can use the relative strengths of the nitrogen lines in the spectra of normal QSOs to trace the early chemical evolution of galaxies. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/q0353cycle4.html -- 19.1 Кб -- 01.10.2012
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5554. Roger Brissenden Bio
... CfA Home | HCO Home | ... Roger Brissenden . HEA Research . HEA Centers . ... HEA Home Page . ... Dr. Roger Brissenden is Deputy Director of the Harvard-Smithsonian Center for Astrophysics. He also serves as Manager of the Chandra X-ray Center and Flight Director for the Chandra X-ray Observatory mission. Brissenden joined SAO in 1990 and from 1993 supervised the development, testing and operation of the Science Center and the Chandra Observatory's Operations Control Center. ...
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Ссылки http://hea-www.harvard.edu/~rjb/brissenden-bio.html -- 12.2 Кб -- 01.10.2012
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5555. ChaMPlane
... Chandra Survey . ... Fields Observed . ... X-ray Database . ... Bulge Windows Survey . Bulge Latitude Survey . ... The ChaMPlane survey is being conducted at the Harvard-Smithsonian Center for Astrophysics. Date Instrument Fields ---------- ---------------- ------------------------------------- 2004-06 Magellan + PANIC Galactic Center 10'x10', JHKBg 2005-07 CTIO4m + ISPI Wang Fields, GC, JHK 2006-07 CTIO4m + ISPI Bulge-Latitude Strip South, GC, JHKBg 2006-08 Magellan + PANIC GC, K,J,Bg . ...
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Ссылки http://hea-www.harvard.edu/ChaMPlane/ir_fields.html -- 5.0 Кб -- 01.10.2012
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5556. ChaMPlane
... Chandra Survey . Selection Criteria . Fields Observed . NOAO Survey . ... X-ray Database . Optical Database . ... Bulge Windows Survey . ... The ChaMPlane survey is being conducted at the Harvard-Smithsonian Center for Astrophysics. The following are the criteria used to select ChaMPlane target fields from Chandra fields. Chandra pointings with ACIS-I, ACIS-S or HRC imaging (TE) mode; no gratings, no CC mode. Galactic plane fields ( |b| ~ Deep Chandra fields (~>20 ksec) . ...
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Ссылки http://hea-www.harvard.edu/ChaMPlane/selection.html -- 5.0 Кб -- 01.10.2012
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5557. OTHER SOFTWARE SYSTEMS
... The EUVE package in IRAF, developed by the Center for EUV Astrophysics (CEA) . ... A General Package of Software to Manipulate FITS Files, developed by the High Energy Astrophysics Science Archive Research Center (HEASARC) at Goddard Space Flight Center (GSFC) . ... An X-ray Astronomy Multimission Analysis Package, developed by the High Energy Astrophysics Science Archive Research Center (HEASARC) at Goddard Space Flight Center (GSFC) . ...
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Ссылки http://hea-www.harvard.edu/PROS/other_software.html -- 3.0 Кб -- 01.10.2012
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5558. http://hea-www.harvard.edu/~pgreen/sys.xwin32.html
... Click "Next". ... The wizard should appear, if not, right click on the X in the system tray (screenshot), and select Xconfig, then click the "wizard" button. ... Push "Next." ... We're not using the builtin Xwin ssh client.) ... Click the "Input" Tab:(screenshot) You can leave these as default; However, if you require 3 button mouse support on your xterms, you can force it "on" if need be. ... Click with the right mouse button the blue X-Win32 icon placed in the system tray next to the clock. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/sys.xwin32.html -- 10.6 Кб -- 01.10.2012
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5559. Roger Brissenden Curriculum Vitae
... CfA Home | HCO Home | SAO Home | ... Scientists Software Users The Public Educators & Students Amateur Astronomers CfA Staff (Intranet) . Roger Brissenden . HEA Research . HEA Centers . HEA Missions . ... HEA Home Page . ... Deputy Director, Harvard-Smithsonian Center for Astrophysics (2010-) . ... Professional Awards NASA Distinguished Public Service Medal (2003) . NASA Public Service Medal (2000) . ... NASA Group Achievement Awards (7) 1992, 2000, 2003 . ... Support CfA | ...
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Ссылки http://hea-www.harvard.edu/~rjb/brissenden-cv.html -- 13.4 Кб -- 01.10.2012
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5560. SAO Summer Intern Program Projects, 2008
... List of talks given during the summer of 2008 by SAO scientists . Program of the SAO Summer Intern Symposium, August 13, 2008 . ... PROJECT TITLE: Testing Solar Wind Models with data from the SOHO Ultraviolet Coronagraph Spectrometer . ... PROJECT TITLE: Finding Invisible Galaxies with Gravitational Lensing . ... PROJECT TITLE: Jets in Cen A . ... The Chandra Multiwavelength project (ChaMP) is a wide-area X-ray sky survey encompassing nearly 19,000 newly-discovered X-ray sources. ...
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Ссылки http://hea-www.harvard.edu/REU/projects08.html.new -- 23.0 Кб -- 01.10.2012
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