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6101. http://hea-www.harvard.edu/PINTofALE/pro/demacs.pro
... NOTE: ylog=0 says that the *input* is in LOG form! if nd0 ne nt0 then begin t0=lt0(0) t1=lt0(nt0-1) ti=findgen(nd0)*(t1-t0)/(nd0-1.)+t0 d0=interpol(d0,ti,lt0) ;stretch to fit endif ; if keyword_set(norm) then d0=d0*norm/d0(0) ;input normalization ; ; groups of points if n_elements( group ) eq nt then grp = group else grp =lindgen(nt) ; representative point in each group if n_elements(igroup) eq nt then igrp =igroup else ...
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Ссылки http://hea-www.harvard.edu/PINTofALE/pro/demacs.pro -- 14.1 Кб -- 13.04.2009
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6102. http://hea-www.harvard.edu/AstroStat/Stat310_0809/lz_20090331.pdf
... Histogram of several coefficients 900 energy level For every coefficients , we have 33 values; Since they are random variables, we can plot the histogram of them We can find the distribution are not quite normal; Some relevant paper suggests some heavy-tail distribution to model the error ; Strong correlations between coefficients The correlation between wavelet coefficients are very large; If we do not consider the ...
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Ссылки http://hea-www.harvard.edu/AstroStat/Stat310_0809/lz_20090331.pdf -- 2416.4 Кб -- 01.04.2009
[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/Stat310_0809/lz_20090331.pdf -- 2416.4 Кб -- 01.04.2009
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[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/Stat310_0809/lz_20090331.pdf -- 2416.4 Кб -- 01.04.2009
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6103. http://hea-www.harvard.edu/AstroStat/Stat310_0809/ac_20090217.pdf
... Current Challenges 5 How/Why: Histor y/Metho ds * Putting Flexible/ Multiscale `NP' mo dels * Together w ith parametrize d physics-base d mo dels * Full Bayesian Posterior framework * `Likeliho o dist' (Tanner ... Complexity Penalty * Bayes allows Mo dularity: Data Augmentation, * Bayes allows complex, high- dimensions: MCMC 6 Multiplicative Multiscale Innovation Models Timmermann Nowak, 1999 Kolaczyk, 1999 Multiplicative ...
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Ссылки http://hea-www.harvard.edu/AstroStat/Stat310_0809/ac_20090217.pdf -- 1501.0 Кб -- 27.03.2009
[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/Stat310_0809/ac_20090217.pdf -- 1501.0 Кб -- 27.03.2009
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[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/Stat310_0809/ac_20090217.pdf -- 1501.0 Кб -- 27.03.2009
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6104. http://hea-www.harvard.edu/ChaMPlane/papers/0902-draft-jaesub-xray_dist.pdf
D R A F T V E R S I O N F E B RUA RY 9 , 2 0 0 9 A Preprint typeset using LTEX style emulateapj v. 6/22/04 RADIAL DISTRIBUTION OF X-RAY POINT SOURCES NEAR THE GALACTIC CENTER JA E S UB H ONG 1* ,M AU R E E N VA N D E N B ERG 1 ,J O NAT H A N E. G R I N D L AY 1 , AND S ILAS L AY C O C K 2 Draft version February 9, 2009 ABSTRACT We present the logN -logS and spatial distributions of X-ray point sources in seven Galactic Bulge (GB) fields within 4 from the Galactic Center (GC). ... Field Obs. ...
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Ссылки http://hea-www.harvard.edu/ChaMPlane/papers/0902-draft-jaesub-xray_dist.pdf -- 750.9 Кб -- 09.03.2009
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6105. http://hea-www.harvard.edu/ChaMPlane/papers/0903-draft-jaesub-ip.pdf
... The source exhibits large X-ray modulations at a period of 1028.4 s in the 0.3 ґ 8 keV band. The X-ray spectral fit with a power law model shows the integrated spectrum is intrinsically hard (photon index, = 0.44 ? 0.05) and moderately absorbed (NH = 1.5 ? 1.0 в 1021 cm-2 ). ... X-RAY SPECTRUM AND VARIATION Table 1 summarizes the results of the spectral model fits to the integrated X-ray spectrum of the source using a power law model with and without an iron emission line at 6.7 keV. ...
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Ссылки http://hea-www.harvard.edu/ChaMPlane/papers/0903-draft-jaesub-ip.pdf -- 1210.9 Кб -- 09.03.2009
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6106. http://hea-www.harvard.edu/ChaMPlane/papers/0901-draft-maureen-lw_cv.pdf
... The X-ray properties of two plausible CVs are similar to those of the faint, hard X-ray sources in the Galactic-Center region that have been explained by (mainly) magnetic CVs. ... While clearly the MV distribution is uncertain, these fractions are consistent with having optically identified only 2 out of 10?4 (14ґ33%) candidate bulge CVs, and therefore allow all hard, non-coronal sources in the ACS mosaic to be accounted for by bulge CVs (we assume that for CVs LX and MV are not correlated). ...
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Ссылки http://hea-www.harvard.edu/ChaMPlane/papers/0901-draft-maureen-lw_cv.pdf -- 693.1 Кб -- 09.02.2009
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6107. http://hea-www.harvard.edu/AstroStat/etc/SEMI09.abs
Title: A Semiparametric Approach to Incorporating Systematic Uncertainties into Bayesian X-ray Spectral Fitting Authors: Hyunsook Lee, Vinay L. Kashyap, Jeremy J. Drake, Alanna Connors, Rima Izem, Taeyoung Park, Pete Ratzlaff, Aneta Siemiginowska, David A. van Dyk, Andreas Zezas Abstract: We develop a unique methodology to incorporate systematic uncertainties into X-ray spectral fitting analysis. ... We apply our method to both simulated as well as actual \chandra\ ACIS-S data. ...
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Ссылки http://hea-www.harvard.edu/AstroStat/etc/SEMI09.abs -- 2.4 Кб -- 28.01.2009
[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/astrostat/etc/SEMI09.abs -- 2.4 Кб -- 28.01.2009
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[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/astrostat/etc/SEMI09.abs -- 2.4 Кб -- 28.01.2009
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6108. http://hea-www.harvard.edu/AstroStat/etc/SEMI09.pdf
... 2009 Incorp orating Systematic Uncertainties into Sp ectral Fitting Intro duction X-ray spectral fitting is a process of solving the inverse problem (eq.1) to infer , the parameter(s) of a source model S. The observed Poisson photon counts O(Ei) are the main source of the uncertainty in estimates, so called statistical error, whereas the systematic uncertainties in A (effective area) and R (response matrix) have been ignored in spectral fitting. ... B.0 B.1 B.2 B.3 How to marginalize over arfs? ...
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Ссылки http://hea-www.harvard.edu/AstroStat/etc/SEMI09.pdf -- 1862.6 Кб -- 28.01.2009
[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/etc/SEMI09.pdf -- 1862.6 Кб -- 28.01.2009
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[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/etc/SEMI09.pdf -- 1862.6 Кб -- 28.01.2009
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6109. http://hea-www.harvard.edu/~pgreen/Papers/DATA/post_FOS_WWW/notes_to_electronic_tables
... Upper 2{sigma} error in GammaUV 25- 29 F5.2 --- e_GammaUV ? ... --------------------------------------------- 1- 11 A11 --- NSpect Spectrum name (G1) 13- 20 F8.5 --- z Redshift 22- 38 A17 --- Line Emission line identification 40- 44 I5 km/s FWHM Rest frame Full Width at Half Maximum 47- 51 I5 km/s E_FWHM Upper 2{ sigma } error limit on FWHM 53- 58 I6 km/s e_FWHM Lower 2{ sigma } error limit on FWHM 61- 65 I5 km/s VPeak Gaussian emission ...
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Ссылки http://hea-www.harvard.edu/~pgreen/Papers/DATA/post_FOS_WWW/notes_to_electronic_tables -- 6.9 Кб -- 21.01.2009
[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/~pgreen/post_FOS_WWW/notes_to_electronic_tables -- 6.9 Кб -- 21.01.2009
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[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/~pgreen/post_FOS_WWW/notes_to_electronic_tables -- 6.9 Кб -- 21.01.2009
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6110. http://hea-www.harvard.edu/~fine/OSX/fix-setup
... Darwin" ] then echo "This is not a Mac! ... Bye." exit fi #get short hostname, to use to look for host-specific files hostname=`hostname | ... Bye. exit fi checkfixlink () { if [ -L $2 ] then to=`readlink $2` if [ $1 = $to -o $1 = $to ] then # echo link from $2 to $1 is good : else echo link $2 is bad, points to $to$ doitstring if [ $ doit = 1 ] then rm $2 ln -s $1 $2 fi fi elif [ -d $2 ] then echo link $2 is still a directory$ doitstring if [ $ ...
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Ссылки http://hea-www.harvard.edu/~fine/OSX/fix-setup -- 4.2 Кб -- 28.11.2008
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6111. http://hea-www.harvard.edu/~fine/OSX/tunnelopen
whole or in part, for commercial and # non-commercial purposes, provided only that this copyright notice # remains. # use Socket; $ timeout =30; $startport=12345; $maxtries=50; $options= ; $ user = ; $ localhost = localhost ; $command= sleep $ timeout ; while (substr($ARGV[0],0,1) eq - ) { $ opt =shift(@ARGV); if ($ opt eq -l || $ opt eq --login ) { $ N "; $command = ""; } elsif ($opt eq "-h" || $opt eq "--help") { &usage; exit(0); } } if ($#ARGV == -1 || ...
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Ссылки http://hea-www.harvard.edu/~fine/OSX/tunnelopen -- 6.0 Кб -- 21.11.2008
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6112. http://hea-www.harvard.edu/vlp_m33_public/firstlook/tab3.txt
... 2007) -------------------------------------------------------------------------------- 1 30 28 3 37 36 4 35 35 6 39 Star (USNO1206-0019336(14.7); K3$^e$) 8 47 44 Eclipsing Binary$^f$ 9 56 51 10 Transient $^g$ 12 58 13 60 54 15 64 57 16 68 17 69 62 21 70 64 23 71 65 24 73 67 26 80 27 83 75 J013253.4+303817 M33X-1 28 85 76 J013253.9+303312 M33X-2 29 84 30 87 77 33 91 81 35 93 83 SNR (GKL98-9) 38 96 41 98 88 SNR (GKL98-11) 42 99 44 100 89 45 102 91 47 104 95 48 105 49 106 ...
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Ссылки http://hea-www.harvard.edu/vlp_m33_public/firstlook/tab3.txt -- 24.6 Кб -- 17.11.2008
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6113. http://hea-www.harvard.edu/hea/syshelp_navigation.inc
start navigation -- style type= text/css ul { list-style-type: disk } /style p class = navigation nbsp; /p ul class = mainnav li class = mainnav a href = http :// www.cfa.harvard.edu /about/science.html class = leftnav All Science Groups /a /li li class = mainnav a ...
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Ссылки http://hea-www.harvard.edu/hea/syshelp_navigation.inc -- 4.3 Кб -- 03.11.2008
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6114. http://hea-www.harvard.edu/REU/internletter.pdf
SAO Summer Intern Program 2009 Applicant Name: Recommender Name: Title: Address: Dear Sir/Madam: The above student is applying for an NSF sponsored Research Experience for Undergraduates Summer Internship at the Smithsonian Astrophysical Observatory for Summer 2009. Our program is a 9 or 10 week program for undergraduate students interested in a career in astronomy, astrophysics, physics, or related physical sciences. ... Interns also attend lunch discussions and a summer colloquia series. ...
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Ссылки http://hea-www.harvard.edu/REU/internletter.pdf -- 26.5 Кб -- 28.10.2008
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6115. http://hea-www.harvard.edu/AstroStat/Stat310_0809/awb_20081021.pdf
Outline Introduction Replacing stacking Time symmetry Two Statistical Problems in X-ray Astronomy Alexander W Blocker October 21, 2008 Outline Introduction Replacing stacking Time symmetry Outline Introduction Replacing stacking Problem Current method Model Further development Time symmetry Problem Model Computational approach 1 2 3 Outline ... This frequently leads to a sample containing many faint, undetected sources. ...
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Ссылки http://hea-www.harvard.edu/AstroStat/Stat310_0809/awb_20081021.pdf -- 635.9 Кб -- 21.10.2008
[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/Stat310_0809/awb_20081021.pdf -- 635.9 Кб -- 21.10.2008
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[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/Stat310_0809/awb_20081021.pdf -- 635.9 Кб -- 21.10.2008
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6116. http://hea-www.harvard.edu/AstroStat/Stat310_0809/pb_20080930.pdf
Motivation Mo delling the CMD Making Inference Results Conclusion Ages of stellar populations from color-magnitude diagrams Paul Baines Department of Statistics Harvard University September 30, 2008 Paul Baines 093008 Motivation Context & Example Mo delling the CMD Making Inference Results Conclusion Welcome! ... Paul Baines 093008 Motivation Intro duction & Algorithm Mo delling the CMD Making Inference Results Conclusion The Likelihood I yi = Where, ~ fi = 1 (B ) i Bi i = 1, . ...
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Ссылки http://hea-www.harvard.edu/AstroStat/Stat310_0809/pb_20080930.pdf -- 644.8 Кб -- 30.09.2008
[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/Stat310_0809/pb_20080930.pdf -- 644.8 Кб -- 30.09.2008
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[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/Stat310_0809/pb_20080930.pdf -- 644.8 Кб -- 30.09.2008
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6117. http://hea-www.harvard.edu/~pgreen/figs/xray_cheat.pdf
X-ray analysis Cheat Sheet keV to erg Plank constant Exp time Exp map (pix i,j) Exp map ( src avg) Effective area Src counts Bkg counts Net counts Photon flux Energy flux Energy band Power law spectrum Energy index Photon index Energy Conv Factor 1 keV h T Eij ES Aeff CS CB C N = = 1.602 в 10 6.626 в 10 -9 -27 erg erg s sec cts photon-1 sec cm2 ...
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Ссылки http://hea-www.harvard.edu/~pgreen/figs/xray_cheat.pdf -- 27.4 Кб -- 24.09.2008
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6118. http://hea-www.harvard.edu/AstroStat/etc/xdap_2005_kdkc.pdf
... For instance, known errors in the line locations, as well as missing lines with only minimal information, can be included directly during fitting. ... The Markov Chain Monte Carlo based method also naturally produces error estimates on the fit parameters.1 Keywords: Differential Emission Measures, Emissivity Matrix, Atomic Data Error, Capella INTRODUCTION The differential emission measures (DEMs) is the distribution of the amount of material in coronae as a function of temperature. ...
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Ссылки http://hea-www.harvard.edu/AstroStat/etc/xdap_2005_kdkc.pdf -- 25.7 Кб -- 22.09.2008
[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/etc/xdap_2005_kdkc.pdf -- 25.7 Кб -- 22.09.2008
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[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/etc/xdap_2005_kdkc.pdf -- 25.7 Кб -- 22.09.2008
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6119. http://hea-www.harvard.edu/AstroStat/etc/scma1997_secfkf.pdf
This is page 1 Printer: Opaque this AXAF Data Analysis Challenges Aneta Siemiginowska1, Martin Elvis1, Alanna Connors2, Peter Freeman3, Vinay Kashyap3, and Eric Feigelson4 ABSTRACT The high quality of the AXAF X-ray data provides new challenges for the X-ray data analysis. ... NASA's forthcoming "Advanced X-ray Astronomy Facility" (AXAF) mission will provide the highest spatial and spectral resolution yet achieved in X-ray astronomy (see Zombeck 1996, 1982, 1979). ...
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Ссылки http://hea-www.harvard.edu/AstroStat/etc/scma1997_secfkf.pdf -- 227.8 Кб -- 12.09.2008
[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/etc/scma1997_secfkf.pdf -- 227.8 Кб -- 12.09.2008
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[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/etc/scma1997_secfkf.pdf -- 227.8 Кб -- 12.09.2008
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6120. http://hea-www.harvard.edu/AstroStat/etc/1620_wednesday_7016-23_vinay_kashyap.pdf
SPIE 2008 :: Observatory Operations :: 7016-23 :: 16:20 Wednesday 25 June 2008 How to handle calibration uncertainties in high-energy astrophysics Vinay Kashyap SPIE 2008 :: Observatory Operations :: 7016-23 :: 16:20 Wednesday 25 June 2008 How to handle calibration uncertainties in high-energy astrophysics Vinay Kashyap CHASC Astrostatistical Collaboration Chandra X-ray Center Smithsonian ...
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Ссылки http://hea-www.harvard.edu/AstroStat/etc/1620_wednesday_7016-23_vinay_kashyap.pdf -- 1595.3 Кб -- 09.09.2008
[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/etc/1620_wednesday_7016-23_vinay_kashyap.pdf -- 1595.3 Кб -- 09.09.2008
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[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/etc/1620_wednesday_7016-23_vinay_kashyap.pdf -- 1595.3 Кб -- 09.09.2008
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