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7441. http://hea-www.harvard.edu/PROS/PUG/fig7_1a.ps
rp90_obs[3:34] 10 1 10 0 10 1 0 250 500 750 1000 1250 keV counts Photon Counts min ChiSquared = 60.69 for abs(20.0000)*ray(11.9984 0.6389 cosmic 50)+ray(0.7000 1.7195 cosmic 50) using abs(20.00)*ray(0.59:0.69 cosmic 50.00)+ray(0.70 1.22:2.22 cosmic 50.00)
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Ссылки http://hea-www.harvard.edu/PROS/PUG/fig7_1a.ps -- 18.6 Кб -- 10.06.1998
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7442. http://hea-www.harvard.edu/astro/paa.pdf
Picture an Astronomer A Project ASTRO Activity For Grades 4-12 The media and our past experiences have shaped and created our expectations of people in various careers. ... However, astronomy is carried out by men and women in every country and by people young and old. ... Activity Description Before an astronomy unit or the first visit by an astronomer to your classroom, it can be instructive to have the students picture what an astronomer looks like and then discuss their assumptions. ...
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Ссылки http://hea-www.harvard.edu/astro/paa.pdf -- 12.3 Кб -- 07.05.1998
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7443. http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS11.1.ps
... Changes to the initial proposal include: ffl FTYPE keywords to include independent variables as well as tabulated function parameters ; previously independent variables were left implicit. ffl VFUNC/VTYPE keywords to provide inline function macros for complicated function defi nitions. ffl Parameters are enumerated in the function definition, replacing the PARAMi keywords . ffl Key ... The mandatory keyword FUNCNAME gives the name of the table function. ...
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS11.1.ps -- 52.7 Кб -- 08.04.1998
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7444. http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS01.ps
... The Standard Data Products are produced at four processing levels -- Level 0 through Level 3. ... The ASC staff can, at any time , view the active and pending SDP jobs and reprioritize, suspend, restart, or cancel 2 Table 5.44: Standard AXAF Data Products : All Instruments Data Product Level Delivery Observation Description Products Telemetry Data 0 On Request Housekeeping and Spacecraft Data ... A rawer product than the AXAF Source Catalog. ... 1.1.2.2 Level 1 Processing 1. ...
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS01.ps -- 242.9 Кб -- 03.04.1998
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7445. http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS04.1.ps
ASC Data Model Subroutine Interface: ANSI C user guide Release 1.7 Jonathan McDowell, Michael S. Noble, Oliver Oberdorf, Scott Randall March 30, 1998 Contents 1 Overview 10 1.1 FITS and QPOE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.2 A simple example . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2 General DataModel Information 16 2.1 Online ASC DataModel References . . . . . . . . . . . . . . . . . . 16 2.2 Configuration and Sample Code . . . . . . . . . . . . . . . . . . .
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS04.1.ps -- 407.7 Кб -- 30.03.1998
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7446. http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS12.ps
Revised Coordinate Systems Design for ASC Data Model SDS12.0 Jonathan McDowell March 29, 1998 Contents 1 Vector columns 2 2 Images and Arrays 3 3 API revisions 5 3.1 Coord Create routines . ... 6 4.2 WCS systems on columns . ... When binning on a vector column, the resulting image should have an axis group of dimension the same as the vector column (see below). When reading a column, in many cases of old files we want to interpret a pair of columns as a vector column but it has no grouped name. ...
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS12.ps -- 73.9 Кб -- 29.03.1998
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7447. http://hea-www.harvard.edu/~pgreen/aaanotes
see /proj/www/gifs/ /usr/local/lib/gif/astro The way I linked the QEDT HomePage to me was with ln -s /home/pgreen/www/ /proj/qedros4a/QEDT/www/pgreen /soft/latex2html/latex2html -ascii_mode vitanew.tex Subject: URL for Red Sq/Rainier camera Status: R http://www.washington.edu/ http://www.hslib.washington.edu/hsc/hscer/jpegs/sundial.jpg Association of Research Astronomers http://www.phy.vill.edu/astro/faculty/ara/ara_home.htm > Hi Wendy, > I've finally started a decent home page. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/aaanotes -- 2.1 Кб -- 26.03.1998
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7448. http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS05.ps
... In addition, files using this convention will include the keyword LONGSTRN = 'OGIP 1.0'. ... 2.1.2 TIME , TSTART and TSTOP All time tags in the table data , and all TSTART and TSTOP values, should be mission time measured in seconds from an AXAF specified mission reference epoch. ffl The AXAF reference epoch for calibration data was 1993 Dec 31, 00:00:00 UTC. ffl The AXAF reference epoch for flight data shall be 1998 Jan 1, 00:00:00 TT, or MJD 50814.0 TT. ffl The reference...
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS05.ps -- 145.2 Кб -- 11.03.1998
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7449. http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS11.ps
... Then we have: ffl Model function G : R 4 ! ... XTENSION = 'BINTABLE' BITPIX = 8 NAXIS = 2 NAXIS1 = 16 NAXIS2 = 12 PCOUNT = 0 GCOUNT = 1 TFIELDS = 4 TTYPE1 = ' ENERGY ' / Energy TUNIT1 = 'keV ' TFORM1 = '1E ' TTYPE2 = ' THETA ' / Offaxis angle TUNIT2 = 'arcmin ' TFORM2 = '1E ' TTYPE3 = 'F ' / Focal length TUNIT3 = 'mm ' TFORM3 = '1E ' TTYPE4 = 'HRMA—AREA' TUNIT4 = 'cm**2 ' TFORM4 = '1E ' EXTNAME = 'AREA— TABLE ' HDUCLASS = 'ASC ' HDUCLAS1 = ' FUNCTION ' HDUCLAS2 = ' TABLE ' COMMENT ...
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS11.ps -- 44.2 Кб -- 11.03.1998
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7450. http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS10.ps
... 2 Columns At the present time, the REGION table is defined for a twodimensional space. ... FITS REGION Binary Table Design 6 ffl circle: first element of X, Y, R vectors specifies center and radius. ffl ellipse: first X, Y (center), ROTANG (counterclockwise rotation of major axis with repect to X axis), first two R (semi axes). ffl annulus: first X, Y (center), first two R (inner and outer radius). ffl elliptannulus: (area between two concentric ellipses: ...
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS10.ps -- 66.4 Кб -- 10.03.1998
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7451. http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS06.ps
... 4 2.2 Column selection and renaming . ... 6 2.4 Filtering on row number . ... We can also specify an intensity filter which must come after the binning rh1012.fits [bin detpos=4][det— image ] rh1012.fits [bin detpos=4][det— image counts] rh1012.fits [bin detpos=4][det— image counts=10:100] rh1012.fits [bin detpos=4][det— image counts?50] 4 General syntax 4.1 Summary of syntax Combining all the above specifications, our most general syntax is dataset name [block id][ filter command]...
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS06.ps -- 117.7 Кб -- 26.02.1998
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7452. http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS04.ps
ASC Data Model Subroutine Interface: ANSI C user guide SDS4.0 Release 1.6 Jonathan McDowell, Michael S. Noble, Oliver Oberdorf February 26, 1998 Contents 1 1 Overview 1.1 FITS and QPOE The Data Model fosters an abstract view of astronomical data files and provides data I/O trans parently to FITS, QPOE and IMH format files. Access to these distinct formats is achieved by isolating and abstracting the formatspecific calls into different I/O ''kernels''. The two file kernels currently supported are FITS and
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS04.ps -- 354.2 Кб -- 26.02.1998
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7453. http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS03.ps
ASC Data Model Abstract Design: SDS3.0 Jonathan McDowell February 26, 1998 Contents 1 Introduction 3 1.1 Overview of the Model . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 What is a Data Model? . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.3 Summary of motivation . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.4 Problems and Solutions . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.5 Informal Introduction to the Data Model . . . . . . . . . . . . . . . 10 1.6 Table columns .
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/ps/SDS03.ps -- 354.7 Кб -- 26.02.1998
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7454. http://hea-www.harvard.edu/~jcm/asc/docs/coords/coords4.2.ps
... 26 II Part 2: AXAF systems 27 4 ACIS 27 4.1 Instrumental details . ... Table 9: Tiled Detector Plane systems System Size X Center, Y Center Use AXAF HRC 2.3I 16384 x 16384 (8192.5, 8192.5) Standard HRC I AXAF HRC 2.4S 16384 x 16384 (8192.5, 8192.5) Standard HRC S AXAF HRC 2.2I 32768 x 32768 (16384.5, 16384.5) Alternative AXAF HRC 2.2S 49152 x 4096 (24576.5, 2048.5) Alternative AXAF HRC 2.3S 16384 x 24976 (8192.5, 12488.5) Obsolete Table 10: Parameters of Tiled Detector ...
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Ссылки http://hea-www.harvard.edu/~jcm/asc/docs/coords/coords4.2.ps -- 629.5 Кб -- 22.12.1997
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7455. http://hea-www.harvard.edu/~pgreen/educ/ConcepTests.ps
ConcepTests for Introductory Undergraduate Astronomy For Peer Instruction to succeed, students need to be able to focus quickly on the concept in an interactive way that highlights the most common misconceptions. ConcepTests are multiple choice questions which the students pose to each other in small groups, during class. ... Back to Science Eduation . ... Phone is (617)4957057 and FAX (617)4957356, at the Center for Astrophysics, 60 Garden St., Cambridge MA 02138 ...
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Ссылки http://hea-www.harvard.edu/~pgreen/educ/ConcepTests.ps -- 13.6 Кб -- 31.10.1997
[ Текст ] Ссылки http://hea-www.harvard.edu/~pgreen/educ/ConcepTests.txt -- 13.6 Кб -- 31.10.1997
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[ Текст ] Ссылки http://hea-www.harvard.edu/~pgreen/educ/ConcepTests.txt -- 13.6 Кб -- 31.10.1997
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7456. http://hea-www.harvard.edu/~pgreen/educ/Involve.ps
Getting Students Involved in Physics & Astronomy! One of the most challenging aspects of teaching introductory science courses is that, because many students, expecting to be spoonfed "the facts", fail to think critically and begin to lose interest. For too many, science looms like an imperturbable monument built by dowdy and eccentric geniuses. ... Back to More Links . ... Phone is (617)4957057 and FAX (617)4957356, at the Center for Astrophysics, 60 Garden St., Cambridge MA 02138 ...
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Ссылки http://hea-www.harvard.edu/~pgreen/educ/Involve.ps -- 38.4 Кб -- 30.10.1997
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7457. http://hea-www.harvard.edu/~pgreen/educ/PI.ps
Peer Instruction in Physics & Astronomy By encouraging student participation and interaction during the lecture, Peer Instruction encourages students to critically think through the arguments being developed, and to discuss their ideas and insights with their neighbors. ... After one minute, the students record an answer and are then asked to turn to their neighbors to try and convince them of their answers. ... How can we implement Peer Instruction in Astronomy? ... Back to Science Education . ...
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Ссылки http://hea-www.harvard.edu/~pgreen/educ/PI.ps -- 38.3 Кб -- 30.10.1997
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7458. http://hea-www.harvard.edu/RD/saotng/xpa.ps.Z
... We describe a simple and effective use of the X Toolkit (Xt) selection mechanism by which data in an X program can be tagged with string iden tifiers and then accessed externally by other programs. ... The XPA mechanism is conceptually rather simple. ... Use of XPA in SAOimage As previously mentioned, the XPA interface will be used by SAOimage to allow any external program to retrieve information or to control the display directly, by accessing the tagged data items in the program. ...
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Ссылки http://hea-www.harvard.edu/RD/saotng/xpa.ps.Z -- 25.2 Кб -- 03.07.1997
[ Текст ] Ссылки http://hea-www.harvard.edu/saord/saotng/xpa.ps.Z -- 25.2 Кб -- 03.07.1997
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[ Текст ] Ссылки http://hea-www.harvard.edu/saord/saotng/xpa.ps.Z -- 25.2 Кб -- 03.07.1997
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7459. http://hea-www.harvard.edu/RD/saotng/xpaapp.ps.Z
... XPA allows an Xt program to define named public access points through which data and commands can be exchanged with external programs. It makes possible the external control of the program's main functions, including image display, image zoom and pan, color map manipulation, cursor/region definition, and frame selection. ... Finally, we describe how XPA is used to support userconfigurable ``quicklook'' analysis of image data and bi directional communication with other processes. ...
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Ссылки http://hea-www.harvard.edu/RD/saotng/xpaapp.ps.Z -- 201.8 Кб -- 03.07.1997
[ Текст ] Ссылки http://hea-www.harvard.edu/saord/saotng/xpaapp.ps.Z -- 201.8 Кб -- 03.07.1997
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[ Текст ] Ссылки http://hea-www.harvard.edu/saord/saotng/xpaapp.ps.Z -- 201.8 Кб -- 03.07.1997
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7460. http://hea-www.harvard.edu/QEDT/Papers/luminosity.ps.gz
Deriving the Quasar Luminosity Function from Accretion Disk Instabilities Aneta Siemiginowska & Martin Elvis HarvardSmithsonian Center for Astrophysics 60 Garden Street, MS70, Cambridge, MA 02138, USA asiemiginowska@cfa.harvard.edu March 14, 1997 ABSTRACT We have derived the quasar luminosity function assuming that the quasar activity is driven by a thermalviscous unstable accretion disk around a supermassive black hole. ... Only active sources contribute to the black hole mass density function. ...
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Ссылки http://hea-www.harvard.edu/QEDT/Papers/luminosity.ps.gz -- 65.5 Кб -- 14.03.1997
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