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5941. http://hea-www.harvard.edu/AstroStat/etc/ADASS2010proc_skrvcp+.pdf
... Standard modeling packages such as XSPEC and Sherpa provide the Poisson likelihood and allow computation of rudimentary MCMC chains, but so far do not allow for settin g a full Bayesian model. ... Poisson likelihood methods appropriate for low counts data require techniques for checking model selections and assessing "goodness-of-fit" that involve sampling from the posterior probability distribution. ... Markov Chain Monte Carlo (MCMC) methods explore the posterior probability in Bayesian analysis. ...
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Ссылки http://hea-www.harvard.edu/AstroStat/etc/ADASS2010proc_skrvcp+.pdf -- 76.2 Кб -- 22.12.2010
[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/etc/ADASS2010proc_skrvcp+.pdf -- 76.2 Кб -- 22.12.2010
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[ Текст ] Ссылки http://hea-www.harvard.edu/astrostat/etc/ADASS2010proc_skrvcp+.pdf -- 76.2 Кб -- 22.12.2010
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5942. http://hea-www.harvard.edu/ChandraSNR/G109.1-01.0/4626/work/g109_sou.pi.par
xswabs[xswabs] (XSPEC model name : wabs) ( integrate : off) Param Type Value Min Max Units ----- ---- ----- --- --- ----- 1 nH thawed 0.6244 1e-07 10 10^22/cm^2 xsvmekal[xsvmekal] (XSPEC model name : vmekal) ( integrate : on) Param Type Value Min Max Units ----- ---- ----- --- --- ----- 1 kT thawed 0.6113 1e-03 100 keV 2 nH frozen 1 1e-06 1e+20 per cm**3 3 He frozen 1 0 1000 with respect to ...
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Ссылки http://hea-www.harvard.edu/ChandraSNR/G109.1-01.0/4626/work/g109_sou.pi.par -- 2.8 Кб -- 21.12.2010
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5943. http://hea-www.harvard.edu/ChandraSNR/G106.6+02.9/2787/work/222_sou.pi.par
xswabs[xswabs] (XSPEC model name: wabs) (integrate: off) Param Type Value Min Max Units ----- ---- ----- --- --- ----- 1 nH thawed 0.5058 1e-07 10 10^22/cm^2 powlaw[pow] (integrate: on) Param Type Value Min Max Units ----- ---- ----- --- --- ----- 1 gamma thawed 1.3069 -10 10 2 ref frozen 1 0.8322 4.8691 3 ampl thawed 9.0325e-05 2.7877e-07 2.7877e-03 END_SHOW_MODELS_BLOCK
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Ссылки http://hea-www.harvard.edu/ChandraSNR/G106.6+02.9/2787/work/222_sou.pi.par -- 1.7 Кб -- 21.12.2010
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5944. http://hea-www.harvard.edu/ChandraSNR/G034.7-00.4P/5548/work/w44_sou.pi.par
xswabs[xswabs] (XSPEC model name : wabs) ( integrate : off) Param Type Value Min Max Units ----- ---- ----- --- --- ----- 1 nH thawed 1.2056 1e-07 10 10^22/cm^2 xsvmekal[xsvmekal] (XSPEC model name : vmekal) ( integrate : on) Param Type Value Min Max Units ----- ---- ----- --- --- ----- 1 kT thawed 0.476 1e-03 100 keV 2 nH frozen 1 1e-06 1e+20 per cm**3 3 He frozen 1 0 1000 with respect to ...
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Ссылки http://hea-www.harvard.edu/ChandraSNR/G034.7-00.4P/5548/work/w44_sou.pi.par -- 2.8 Кб -- 21.12.2010
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5945. http://hea-www.harvard.edu/ChandraSNR/G023.2-00.2/10126/work/psr_sou.pi.par
xswabs[xswabs] (XSPEC model name: wabs) (integrate: off) Param Type Value Min Max Units ----- ---- ----- --- --- ----- 1 nH thawed 29.6285 1e-07 30 10^22/cm^2 powlaw[pow] (integrate: on) Param Type Value Min Max Units ----- ---- ----- --- --- ----- 1 gamma frozen 1.5 -10 10 2 ref frozen 5 1 6.8255 3 ampl thawed 1.9031e-05 6.4227e-08 6.4227e-04 END_SHOW_MODELS_BLOCK
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Ссылки http://hea-www.harvard.edu/ChandraSNR/G023.2-00.2/10126/work/psr_sou.pi.par -- 1.7 Кб -- 21.12.2010
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5946. http://hea-www.harvard.edu/ChandraSNR/G018.0-00.6/2830/work/1823_sou.pi.par
xswabs[xswabs] (XSPEC model name: wabs) (integrate: off) Param Type Value Min Max Units ----- ---- ----- --- --- ----- 1 nH thawed 0.9938 1e-07 10 10^22/cm^2 powlaw[pow] (integrate: on) Param Type Value Min Max Units ----- ---- ----- --- --- ----- 1 gamma thawed 1.4617 -10 10 2 ref frozen 1 0.9417 13.3517 3 ampl thawed 4.2066e-05 6.1459e-08 6.1459e-04 END_SHOW_MODELS_BLOCK
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Ссылки http://hea-www.harvard.edu/ChandraSNR/G018.0-00.6/2830/work/1823_sou.pi.par -- 1.7 Кб -- 21.12.2010
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5947. http://hea-www.harvard.edu/~alexey/rename
usr/bin/perl # # An attempt to implement good old DOS command in Perl # Author: Alexey Vikhlinin # Warranty: none # # alias rename 'set noglob; /full/path/ rename \!*; unset noglob' # rename *.f *.for # $ USAGE = Usage : rename [- exe ] [-reverse] [- command ] [- otherargs ] from to\n ; $ exe = 0; $reverse = 0; $ command = mv ; $ otherargs = ; while ( 1 ) { if ( $# ARGV 1 ) { ...
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Ссылки http://hea-www.harvard.edu/~alexey/rename -- 3.0 Кб -- 17.12.2010
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5948. http://hea-www.harvard.edu/~kim/pap/PKS0637_2000.pdf
... Printed in U.S.A. THE CHANDRA X-RAY OBSERV AT ORY RESOLVES THE X-RAY MORPHOLOGY AND SPECTRA OF A JET IN PKS 0637 [ 752 G. CHARTAS,1 D. M. WORRALL,2,3 M. BIRKINSHAW,2,3 M. CRESITELLO-DITTMAR,3 W. CUI,4 K. K. GHOSH,5 D. E. HARRIS,3 E. J. HOOPER,3 D ... MATHUR,7 D. A. SCHWARTZ,3 S. J. TINGAY,8 S. N. VIRANI,3 AND B. J. WILKES3 Received 2000 March 10 ; accepted 2000 May 11 ABSTRACT The core -dominated radio -loud quasar PKS 0637 [ ... To avoid aliasing eects, the Chandra X-Ray Center . ...
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Ссылки http://hea-www.harvard.edu/~kim/pap/PKS0637_2000.pdf -- 636.9 Кб -- 06.12.2010
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5949. http://hea-www.harvard.edu/~kim/pap/RedQ_1999.pdf
... Radio-quiet, optically red ROSAT PSPC X-ray sources brighter than 1 ] 10~13 ergs cm~2 s~1 were searched for red (O[E [2.0, O № 20) counterparts in the Automated Plate-measuring Machine catalog of Palomar Sky Survey objects. ... The fraction of X-ray sources that may be red quasars, however, is much larger : D5% of the initial X-ray selected sample, D15% of the unidentiпed sources with APM colors, and D20% of X-ray bright objects with APM colors that will primarily be AGNs. ... 1998). ...
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Ссылки http://hea-www.harvard.edu/~kim/pap/RedQ_1999.pdf -- 280.8 Кб -- 06.12.2010
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5950. http://hea-www.harvard.edu/~kim/pap/Sombrero.pdf
... Printed in U.S.A. AN XMM-NEWTON AND CHANDRA INVESTIGATION OF THE NUCLEAR ACCRETION IN THE SOMBRERO GALAXY (NGC 4594) S. Pellegrini ` Dipartimento di Astronomia, Universita di Bologna, via Ranzani 1, Bologna 40127 ... 60 Garden Street, Cambridge, MA 02138; abaldi@head-cfa.harvard.edu, pepi@head-cfa.harvard.edu, kim@head-cfa.harvard.edu Received 2003 June 4; accepted 2003 July 2 ABSTRACT We present an analysis of the XMM-Newton and Chandra ACIS-S observations of the LINER ... 2001). ... 2003). ...
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Ссылки http://hea-www.harvard.edu/~kim/pap/Sombrero.pdf -- 374.3 Кб -- 06.12.2010
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5951. http://hea-www.harvard.edu/~kim/pap/ULX_N4244.pdf
... Printed in U.S.A. 1WGA J1216.9+3743: CHANDRA FINDS AN EXTREMELY STEEP ULTRALUMINOUS X-RAY SOURCE I. Cagnoni,1 R. Turolla,2 A. Treves,1 J.-S. Huang,3 D. W. Kim,3 M. Elvis,3 and A. Celotti4 Received 2002 June 13; accepted 2002 September 13 ABSTRACT We report the discovery of a new ultraluminous X-ray source (ULX) in the nearby galaxy NGC 4244 from Chandra archival data. ... The 1WGA J1216.9+3743 spectrum is heavily absorbed (NH $ 1 4 Т 1021 cmР2) and very soft. ... Model A, absorption Т power law. ...
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Ссылки http://hea-www.harvard.edu/~kim/pap/ULX_N4244.pdf -- 195.2 Кб -- 06.12.2010
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5952. http://hea-www.harvard.edu/~kim/pap/N1399HRI_2002.pdf
THE ASTROPHYSICAL JOURNAL, 565 : 883 х 907, 2002 February 1 ( 2002. The American Astronomical Society. All rights reserved. Printed in U.S.A. DEEP ROSAT HRI OBSERVATIONS OF THE NGC 1399/NGC 1404 REGION : MORPHOLOGY AND STRUCTURE OF THE X-RAY HALO M. PAOLILLO,1 G. FABBIANO,2 G. PERES,1 AND D.-W. KIM2 Received 2001 June 15 ; accepted 2001 October 8 ABSTRACT We present the analysis of a deep (167 ks) ROSAT HRI observation of the cD galaxy NGC 1399 in the Fornax Cluster, comparing it with previous work on this
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Ссылки http://hea-www.harvard.edu/~kim/pap/N1399HRI_2002.pdf -- 2143.0 Кб -- 06.12.2010
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5953. http://hea-www.harvard.edu/~kim/pap/N1316_2003.pdf
... 1991 [RC3]) of NGC 1316. ... We have identified one possible off-center ultraluminous X-ray source (ULX) with LX ? 2:4 б 1039 ergs sю1 (CXOU J032251.2ю370949). ... J2000) Net Counts Error Counts ksю1 LXa (1038 ergs sю1) Notesb Within the D25 Ellipse of NGC 1316 CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU CXOU ...
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Ссылки http://hea-www.harvard.edu/~kim/pap/N1316_2003.pdf -- 1519.0 Кб -- 06.12.2010
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5954. http://hea-www.harvard.edu/~kim/pap/M82_2001.pdf
... 321, L29 ? L32 (2001) Chandra High-Resolution Camera observations of the luminous X-ray source in the starburst galaxy M82 P. Kaaret,1w A. H. Prestwich,1 A. Zezas,1 S. S. Murray,1 D.-W. Kim,1 R. E. Kilgard, E. M. Schlegel1 and M. J. Ward2 1 2 1 Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH Accepted 2000 November 21. ... The central region of M82 from the 1999 October observation....
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Ссылки http://hea-www.harvard.edu/~kim/pap/M82_2001.pdf -- 93.1 Кб -- 06.12.2010
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5955. http://hea-www.harvard.edu/~kim/pap/HighzQ_2002.pdf
... Printed in U.S.A. DISCOVERY OF A z p 4.93, X-RAY ґ SELECTED QUASAR BY THE CHANDRA MULTIWAVELENGTH PROJECT (ChaMP) John D. Silverman,1,2,3 Paul J. Green,1 Dong-Woo Kim,1 Belinda J. Wilkes,1 Robert A. Cameron,1 David ... Jannuzi,8 and Smita Mathur9 Received 2002 January 22; accepted 2002 February 28; published 2002 March 11 1 ABSTRACT We present X-ray and optical obser vations of CXOMP J213945.0 ... Table 1 lists the measured 5 X-ray and optical properties of CXOMP J213945.0 234655. ...
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Ссылки http://hea-www.harvard.edu/~kim/pap/HighzQ_2002.pdf -- 157.5 Кб -- 06.12.2010
[ Текст ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/zeq5qso02.pdf -- 157.5 Кб -- 06.12.2010
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[ Текст ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/zeq5qso02.pdf -- 157.5 Кб -- 06.12.2010
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5956. http://hea-www.harvard.edu/~kim/pap/highz_jet.pdf
... Although significantly distorted by the mirror point-spread function, we use both a ray trace and a nearby bright point source to show that the X-ray image must arise from some combination of point and extended sources, or else from a minimum of three distinct point sources. ... This would be a surprising and unique discover y of a radio-quiet QSO with an X-ray jet, since we have obtained upper limits of 100 mJy on the QSO emission at 8.46 GHz and limits of 200 mJy for emission from the putative jet...
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Ссылки http://hea-www.harvard.edu/~kim/pap/highz_jet.pdf -- 167.8 Кб -- 06.12.2010
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5957. http://hea-www.harvard.edu/~kim/pap/ChampI.pdf
Chandra Multi-wavelength Project (ChaMP). I. First X-ray Source Catalog D.-W. Kim, R. A. Cameron, J. J. Drake, N. R. Evans, P. Freeman, T. J. Gaetz, H. Ghosh, P. J. Green, F. R. Harnden, Jr., M. Karovska, V. Kash yap, P. W. Maksym, P. W. Ratzlaff, E. M., Schlegel, J. D. Silverman, H. D. Tananbaum, A. A. Vikhlinin, B. J. Wilkes, (Smithsonian Astrophysical Observatory, Cambridge, MA 02138) and J. P. Grimes (Center for Astrophysical Sciences, Johns Hopkins University, Baltimore, MD 21218-2686) J uly 29, 2003
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Ссылки http://hea-www.harvard.edu/~kim/pap/ChampI.pdf -- 1336.9 Кб -- 06.12.2010
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5958. http://hea-www.harvard.edu/~kim/pap/BinaryQ_2002.pdf
... Printed in U.S.A. CHANDRA OBSERVATIONS OF THE QSO PAIR Q2345+007: BINARY OR MASSIVE DARK LENS? ... We find no X-ray evidence for a lensing cluster to a (0.5ґ2 keV) flux limit of 2 б 10ю15 ergs cmю2 sю1, which is consistent with lensing only for a reduced baryon fraction. ... Assuming similar line-of-sight absorption to the images, we find that their X-ray continuum slopes are inconsistent (юA ? 2:30Ч0::36 and ю0 30 юB ? 0:83Ч0::49 ) as are their X-rayґtoґoptical flux ratios. ... 2000). ...
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Ссылки http://hea-www.harvard.edu/~kim/pap/BinaryQ_2002.pdf -- 1062.9 Кб -- 06.12.2010
[ Текст ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/Q2345.pdf -- 1062.9 Кб -- 06.12.2010
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[ Текст ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/Q2345.pdf -- 1062.9 Кб -- 06.12.2010
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5959. http://hea-www.harvard.edu/~kim/pap/Blank_2002.pdf
... Printed in U.S.A. ROSAT BLANK FIELD SOURCES. ... Here we designate as `` blank field sources '' or `` blanks '' all the bright ROSAT PSPC (Position Sensitive Proportional Counter) X-ray sources ( fX > 10ю13 ergs cmю2 sю1) with no optical counterpart on the Palomar Observatory Sky Survey (POSS) (to O ? 21:5)4 within their 3900 (99%) radius error circle. ... Lamer et al. find an X-ray flux at 1 keV of 2:06 б 10ю14 ergs cmю2 sю1 in a ROSAT observation during which the source falls in the PSPC outer rim...
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Ссылки http://hea-www.harvard.edu/~kim/pap/Blank_2002.pdf -- 679.1 Кб -- 06.12.2010
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5960. http://hea-www.harvard.edu/~kim/pap/CenA_2000.pdf
... All previously reported major sources of X-ray emission including the bright nucleus, the jet, individual point sources, and diffuse emission are resolved or detected. ... In particular, we resolve individual knots of emission in the inner jet and diffuse emission between the knots. ... Previous X-ray obser vations of Cen A have revealed several sources of X-ray emission including a bright nucleus, a onesided X-ray jet, complex diffuse emission, and numerous point sources (Schreier et al. ...
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Ссылки http://hea-www.harvard.edu/~kim/pap/CenA_2000.pdf -- 122.0 Кб -- 06.12.2010
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