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7261. http://hea-www.harvard.edu/~pgreen/Papers/precos0.pdf
... INTRODUCTION The strong, broad emission lines observed in the spectra of active galactic nuclei (AGNs) are believed to form in a large number of small gas clouds photoionized by the central UV/X-ray continuum source (presumably a black hole with an accretion disk). ... Finally, we removed from the sample spectra with no emission lines, whether due to low signal-to-noise or a redshift that placed strong emission lines outside the wavelength range. ... 2, 2002 EMISSION LINE PROPERTIES OF AGNs 269 Fig....
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Ссылки http://hea-www.harvard.edu/~pgreen/Papers/precos0.pdf -- 646.1 Кб -- 09.12.2002
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7262. http://hea-www.harvard.edu/~fine/Tech/cde-backdrop
... select ] -id' echo ' Show the window id of the cde backdrop for the selected workspace .' exit 1 fi setvalues() { tmpws=$1 shift eval ${tmpws}_ backdrop = $7 eval ${tmpws}_name=\ $1 \ } name2ws() { for ws in $WS_list do eval tmp_name=\$${ws}_name if [ $tmp_name = $1 ] then echo $ws return 0 fi done return 1 } name2backdrop() { for ws in $WS_list do ... awk '{ print $3 }'` # Extract a list of all workspaces from the appropriate property WS_list=`echo "$info" | ... Window id: //'...
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Ссылки http://hea-www.harvard.edu/~fine/Tech/cde-backdrop -- 6.1 Кб -- 01.11.2002
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7263. http://hea-www.harvard.edu/~bradw/cv/papers/proxcen.pdf
... Based upon our model of Proxima Cen's charge exchange emission, the absence of any detectable charge exchange signal places a statistical 3 upper limit of $3 Т 10Р13 M yrР1 _ _ _ (14 M ) on the mass-loss rate (9 M for the 2 limit and 4 M for 1 ), with a model uncertainty of roughly a factor of 3. ... 2001; Brinkman et al. ... We convert those detection limits to mass-loss rates by comparing the number of CX counts expected if Proxima Cen's wind has the same element abundances as the solar wind. ...
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Ссылки http://hea-www.harvard.edu/~bradw/cv/papers/proxcen.pdf -- 381.6 Кб -- 30.09.2002
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7264. http://hea-www.harvard.edu/~bradw/cv/papers/proxcen.ps.gz
STRINGENT XґRAY CONSTRAINTS ON MASS LOSS FROM PROXIMA CENTAURI Bradford J. Wargelin and Jeremy J. Drake Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge, MA 02138; bwargelin@cfa.harvard.edu, jdrake@cfa.harvard.edu Received 2002 April 5; accepted 2002 June 12 ABSTRACT We have analyzed data from two Chandra imaging observations of Proxima Centauri, searching for an Xґ ray halo arising from charge exchange between highly charged ions in its stellar ... Data Nucl. ...
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Ссылки http://hea-www.harvard.edu/~bradw/cv/papers/proxcen.ps.gz -- 374.6 Кб -- 30.09.2002
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7265. http://hea-www.harvard.edu/PINTofALE/pro/smudge.pro
... everything else is optional ; Lines prefixed by % , # , ; , / are ignored ; the following UNITs are understood: Ang , eV, keV, MeV, Hz, MHz, GHz, ; wave-#, /cm, cm^-1, cm**-1, mu, micron, mm, cm, meter, km ; ;syntax ; smudge,x,label,keys=keys,only=only,nisi=nisi, range = range ,$ ; infile=infile,sep=sep,prefix=prefix,/okeV,/help ; ;parameters ; loc [OUTPUT] float array of location of features ; label [OUTPUT ...
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Ссылки http://hea-www.harvard.edu/PINTofALE/pro/smudge.pro -- 12.3 Кб -- 31.07.2002
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7266. http://hea-www.harvard.edu/~pgreen/FOS_WWW/electronic_table5.header
Title: Emission Line Properties of AGN from a pre-COSTAR FOS HST Spectral Atlas Authors: Kuraszkiewicz J., Green P.J., Forster K., Aldcroft T.L., Evans I.N., Koratkar A. Table: Representative emission line measurements ================================================================================ Byte-by-byte Description of file: electronic_table5 ... Note (3): Tabulated in the row of the emission line closest to the position of the absorption feature. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/FOS_WWW/electronic_table5.header -- 3.4 Кб -- 08.07.2002
[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/DATA/FOS_WWW/electronic_table5.header -- 3.4 Кб -- 08.07.2002
[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/precos0_electronic_table5.header -- 3.4 Кб -- 08.07.2002
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[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/DATA/FOS_WWW/electronic_table5.header -- 3.4 Кб -- 08.07.2002
[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/precos0_electronic_table5.header -- 3.4 Кб -- 08.07.2002
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7267. http://hea-www.harvard.edu/~pgreen/FOS_WWW/electronic_table5.header_old
Title: Emission Line Properties of AGN from a pre-COSTAR FOS HST Spectral Atlas Authors: Kuraszkiewicz J., Green P.J., Forster K., Aldcroft T.L., Evans I.N., Koratkar A. Table: Representative emission line measurements ================================================================================ Byte-by-byte Description of file: electronic_table5 ... Note (3): Tabulated in the row of the closest emission line to the position of the absorption feature. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/FOS_WWW/electronic_table5.header_old -- 3.4 Кб -- 08.07.2002
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7268. http://hea-www.harvard.edu/~pgreen/FOS_WWW/electronic_table5.ascii
Designation/Line fwhm +err -err pos +err -err EW +err -err flux +err -err Abs 0005+1609ra 0.45000 UV iron 1000 9000 -250 0 0 0 2.60 3.70 -2.50 2.40 3.40 -2.30 0 Optical iron 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0 Ly beta + O VI 6400 220 -200 1200 100 -100 15.50 1.00 -1.00 23.90 1.60 -1.50 2 Ly alpha single 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0 Ly alpha narrow 1680 40 -40 -60 20 -20 24.10 1.20 -1.10 61.60 3.00 -2.90 0 Ly alpha broad 7350 80 -80 -120 40 -40 70.70 1.60 -1.50 180.40 4.10 -3.90 2 N V
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Ссылки http://hea-www.harvard.edu/~pgreen/FOS_WWW/electronic_table5.ascii -- 859.1 Кб -- 01.07.2002
[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/DATA/FOS_WWW/electronic_table5.ascii -- 859.1 Кб -- 01.07.2002
[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/precos0_electronic_table5.ascii -- 859.1 Кб -- 01.07.2002
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[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/DATA/FOS_WWW/electronic_table5.ascii -- 859.1 Кб -- 01.07.2002
[ Сохраненная копия ] Ссылки http://hea-www.harvard.edu/~pgreen/Papers/precos0_electronic_table5.ascii -- 859.1 Кб -- 01.07.2002
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7269. http://hea-www.harvard.edu/~bradw/cv/papers/rxj1856.ps.gz
IS RX J1856.5#3754 A QUARK STAR? , 1 Michael Juda, 1 Vinay Kashyap, 1 Fabrizio Nicastro, 1 Deron O. Pease, 1 Bradford J. Wargelin, 1 and Klaus Werner 3 Received 2001 December 15; accepted 2002 February 21 ABSTRACT Deep Chandra Low Energy Transmission Grating and High Resolution Camera spectroscopic observaґ tions of the isolated neutron star candidate RX J1856.5 # 3754 have been analyzed to search for metallic and resonance cyclotron spectral features and for pulsation behavior ... 2001). ...
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Ссылки http://hea-www.harvard.edu/~bradw/cv/papers/rxj1856.ps.gz -- 172.7 Кб -- 10.06.2002
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7270. http://hea-www.harvard.edu/~bradw/cv/papers/rxj1856.pdf
... Fruscione, Michael Juda,1 Vinay Kashyap,1 Fabrizio Nicastro,1 Deron O. Pease,1 Bradford J. Wargelin,1 and Klaus Werner3 Received 2001 December 15; accepted 2002 February 21 1 ABSTRACT Deep Chandra Low Energy Transmission Grating and High Resolution Camera spectroscopic observations of the isolated neutron star candidate RX J1856.5Р3754 have been analyzed to search for metallic and resonance cyclotron spectral features and for pulsation behavior ... 2000). ... 2002) of the INS candidates. ...
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Ссылки http://hea-www.harvard.edu/~bradw/cv/papers/rxj1856.pdf -- 150.4 Кб -- 10.06.2002
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7271. http://hea-www.harvard.edu/~pgreen/FOS_WWW/electronic_table5.header_oldest
Title: Emission Line Properties of AGN from a pre-COSTAR FOS HST Spectral Atlas Authors: Kuraszkiewicz J., Green P.J., Forster K., Aldcroft T.L., Evans I.N., Koratkar A. Table: Representative emission line measurements ================================================================================ Byte-by-byte Description of file: datafile5.txt ... Note (3): Tabulated in the row of the closest emission line to the position of the absorption feature. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/FOS_WWW/electronic_table5.header_oldest -- 3.0 Кб -- 22.04.2002
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7272. http://hea-www.harvard.edu/~pgreen/educ/Handout_10apr02_16pp.pdf
Excerpts from Peer Instruction for Astronomy Paul J. Green To be published by Prentice Hall 2002 Visit the Web site and ConcepTest Library at http://hea-www.harvard.edu/~pgreen/educ/PIA.html CONTENTS FOREWORD by Eric Mazur PREFACE Chapter 1: INTRODUCTION Chapter 2: PEER INSTRUCTION FOR ASTRONOMY ACTI VE LEARNIN G: EN GAGIN G THE EGO AND TH E MIND COOPER ATION AND COMMUNICATION CRITICAL THINKIN G BENEFITIN G FROM DI VER SITY ... A broad library of ConcepTests forms the core of the book. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/educ/Handout_10apr02_16pp.pdf -- 241.4 Кб -- 12.04.2002
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7273. http://hea-www.harvard.edu/~pgreen/educ/Handout_10apr02_16pp.doc
Excerpts from Peer Instruction for Astronomy Paul J. Green To be published by Prentice Hall 2002 Visit the Web site and ConcepTest Library at http://hea-www.harvard.edu/~pgreen/educ/PIA.html CONTENTS FOREWORD by Eric Mazur PREFACE Chapter 1: INTRODUCTION Chapter 2: PEER INSTRUCTION FOR ASTRONOMY ACTIVE ... Peer Instruction for Astronomy focuses on what instructors can do in class to boost student learning and satisfaction, and so the emphasis here is on informal learning groups. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/educ/Handout_10apr02_16pp.doc -- 240.5 Кб -- 11.04.2002
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7274. http://hea-www.harvard.edu/~pgreen/educ/Web_Reading_Quiz2.doc
Web Reading Quiz: Astro 101 Chapter 3, due BEFORE class 31 Feb, 2007 Giant stars are rare because a) they do not form as often as main sequence stars. b) giant stars are unstable. c) the giant stage is very short compared to the main sequence stage. d) elements heavier than helium are relatively rare. ... 2) Some idea. 3) Good idea. ... Any brief comments or questions about this quiz or the reading? Send Clear Send Please only press the Send button once! ...
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Ссылки http://hea-www.harvard.edu/~pgreen/educ/Web_Reading_Quiz2.doc -- 10.0 Кб -- 05.04.2002
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7275. http://hea-www.harvard.edu/~pgreen/educ/Web_Reading_Quiz.doc
Web Reading Quiz: Astro 101 Chapter 3, due BEFORE class 31 Feb, 2007 Giant stars are rare because a) ? they do not form as often as main sequence stars. b) ? ... the giant stage is very short compared to the main sequence stage. d) ? ... In a color-magnitude diagram of a star cluster, the blue end of the main sequence is useful for defining the age of the cluster because a) ? ... stars just slightly brighter and redder are just now evolving off the main sequence to become giants. c) ? ...
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Ссылки http://hea-www.harvard.edu/~pgreen/educ/Web_Reading_Quiz.doc -- 31.0 Кб -- 05.04.2002
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7276. http://hea-www.harvard.edu/~pgreen/educ/RQexamp.ps
Example Web Reading Quiz: Astro 101 Chapter 3, due BEFORE class 31 Feb, 2007 (Note that different students may see different quiz forms.) ... Giant stars are rare because a) they do not form as often as main sequence stars. b) giant stars are unstable. c) the giant stage is very short compared to the main sequence stage. d) elements heavier than helium are relatively rare. ... 31ґFebґ2007 Prof. Astreaux Winnow Wunn aww@astro.institute.edu ...
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Ссылки http://hea-www.harvard.edu/~pgreen/educ/RQexamp.ps -- 10.1 Кб -- 03.04.2002
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7277. http://hea-www.harvard.edu/~pgreen/Papers/irdas00.ps
... 7, 96049 Bamberg, Germany ; ai23=sternwarte.uniґerlangen.de Received 2000 February 5 ; accepted 2000 April 3 ABSTRACT Lowґmass companions to highґmass stars are difficult to detect, which is partly why the binary fracґ tion for highґmass stars is still poorly constrained. ... We describe a nearґIR photometric search for cool red dwarf companions to hot white dwarfs (WDs). IR photometry o+ers a sensitive test for lowґmass mainґsequence (MS) companions. ... KP04, KP10 kn9 0348[005 . ...
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Ссылки http://hea-www.harvard.edu/~pgreen/Papers/irdas00.ps -- 677.6 Кб -- 12.02.2002
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7278. http://hea-www.harvard.edu/~pgreen/Papers/irdas00.pdf
... Printed in U.S.A. COOL COMPANIONS TO HOT WHITE DWARFS PAUL J. GREEN1 Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138 ; pgreen=cfa.harvard.edu BABAR ALI Infrared Processing and Analysis Center, Caltech, Mail Code 100-22, 770 S. Wilson Avenue, Pasadena, CA 91125 ; babar=ipac.caltech.edu AND R. NAPIWOTZKI Dr. Remeis-Sternwarte, Sternwartstr. ... We describe a near-IR photometric search for cool red dwarf companions to hot white dwarfs (WDs). ...
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Ссылки http://hea-www.harvard.edu/~pgreen/Papers/irdas00.pdf -- 224.6 Кб -- 12.02.2002
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7279. http://hea-www.harvard.edu/~pgreen/Papers/FHLCsample01.ps
... We present a sample of 403 faint high latitude carbon (FHLC) stars selected from the digitized objective prism plates of the Hamburg/ESO Survey (HES). ... In the current paper, we describe our automated selection of C stars in the HES, and we present a large, uniformly selected, and fluxґlimited sample of FHLC stars. ... Dots: all spectra on a randomly chosen HES plate; boxes: test sample of known FHLC stars present on HES plates (see Table 4); dashed box -- selection region. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/Papers/FHLCsample01.ps -- 2125.4 Кб -- 12.02.2002
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7280. http://hea-www.harvard.edu/~pgreen/Papers/FHLCsample01.pdf
... We present a sample of 403 faint high latitude carbon (FHLC) stars selected from the digitized ob jective prism plates of the Hamburg/ESO Survey (HES). ... In the current paper, we describe our automated selection of C stars in the HES, and we present a large, uniformly selected, and flux-limited sample of FHLC stars. ... Dots: all spectra on a randomly chosen HES plate; boxes: test sample of known FHLC stars present on HES plates (see Table 4); dashed box ґ selection region. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/Papers/FHLCsample01.pdf -- 444.8 Кб -- 12.02.2002
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