109 Heii PPTs View free & download

Excitations in HeII PowerPoint PPT Presentation

Excitations in HeII - Critical (or Landau) velocity in He-II. Lecture 16 ... This is also known as the Landau velocity , -1 ... The Landau criterion. Lecture 16 ...

Critical (or Landau) velocity in He-II. Lecture 16 ... This is also known as the Landau velocity , -1 ... The Landau criterion. Lecture 16 ...

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PowerPoint-Pr PowerPoint PPT Presentation

PowerPoint-Pr - Practicing Euro3D. A sample of PMAS Data Analysis Tools ... Cube Inspector for HolmbergII. HeII-4686 emission. The Position Table ...

Practicing Euro3D. A sample of PMAS Data Analysis Tools ... Cube Inspector for HolmbergII. HeII-4686 emission. The Position Table ...

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Observed Metallicity Dependence of WolfRayet Winds PowerPoint PPT Presentation

Observed Metallicity Dependence of WolfRayet Winds - Narrow-band HeII ( 4684) & off-HeII ( 4751) imaging surveys allow W-R stars to ... IZw18 includes both HeII 4686 narrow nebular (Campbell et al. 1986) and broad ...

Narrow-band HeII ( 4684) & off-HeII ( 4751) imaging surveys allow W-R stars to ... IZw18 includes both HeII 4686 narrow nebular (Campbell et al. 1986) and broad ...

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IT upgrade phase I: Status of cryogenic scheme evolution (in work) PowerPoint PPT Presentation

IT upgrade phase I: Status of cryogenic scheme evolution (in work) - CP IT cooled by HeII using an internal bayonet HX of ID 95 mm ... HeII pressurized (1.9 K) HeI saturated (4.5 K) HeI supercritical (4.5 XX K) ...

CP IT cooled by HeII using an internal bayonet HX of ID 95 mm ... HeII pressurized (1.9 K) HeI saturated (4.5 K) HeI supercritical (4.5 XX K) ...

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Outflows in AGN: High and Low Resolution Xray View PowerPoint PPT Presentation

Outflows in AGN: High and Low Resolution Xray View - What are their Physical Properties? ... Spatially co-located ? Disk winds, on BELR scale. light-days. 5. 10. 15 ~HeII BELR. Hb BELR ...

What are their Physical Properties? ... Spatially co-located ? Disk winds, on BELR scale. light-days. 5. 10. 15 ~HeII BELR. Hb BELR ...

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Chapter 9 Statistics PowerPoint PPT Presentation

Chapter 9 Statistics - Photon-Atom interactions. also: phosphorescence. Pair production. e e ... Superfluid liquid helium (HeII) Superfluid effects. Bose-Einstein condensates ...

Photon-Atom interactions. also: phosphorescence. Pair production. e e ... Superfluid liquid helium (HeII) Superfluid effects. Bose-Einstein condensates ...

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Black Holes in Xian PowerPoint PPT Presentation

Black Holes in Xian - Accretion rate increases with z for all mass BHs ... HeII lines are gravitationally shifted. OVII is also gravitationally shifted at r=20rs ...

Accretion rate increases with z for all mass BHs ... HeII lines are gravitationally shifted. OVII is also gravitationally shifted at r=20rs ...

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The Photoionization Structure of NGC 2392 The Eskimo Planetary Nebula PowerPoint PPT Presentation

The Photoionization Structure of NGC 2392 The Eskimo Planetary Nebula - Results: outer shell, inner shell, FLIERs A new 3D model The Photoionization Structure of NGC 2392 The Eskimo Planetary Nebula Jonathan Sick (former Rice undergrad ...

Results: outer shell, inner shell, FLIERs A new 3D model The Photoionization Structure of NGC 2392 The Eskimo Planetary Nebula Jonathan Sick (former Rice undergrad ...

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CoP Preparation H. Feuchtgruber PowerPoint PPT Presentation

CoP Preparation H. Feuchtgruber - Covers FDIR, SFT, Chopper and Grating tuning ... E:PACS ProjectCoP PlanPACS Commissioning Phase Plan PACS-ME-PL-024 issue1.2.pdf ...

Covers FDIR, SFT, Chopper and Grating tuning ... E:PACS ProjectCoP PlanPACS Commissioning Phase Plan PACS-ME-PL-024 issue1.2.pdf ...

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Upflow in the Plage Region Associated with an Xclass Flare Shinsuke Imada NAOJ PowerPoint PPT Presentation

Upflow in the Plage Region Associated with an Xclass Flare Shinsuke Imada NAOJ - Upflow in the Plage Region Associated with an X-class Flare. Shinsuke Imada (NAOJ) ... Observe the effect of the X class flare in Plage region with EIS ...

Upflow in the Plage Region Associated with an X-class Flare. Shinsuke Imada (NAOJ) ... Observe the effect of the X class flare in Plage region with EIS ...

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Do%20bipolar%20PNe%20really%20have%20more%20massive%20progenitors?%20%20Central%20stars? PowerPoint PPT Presentation

Do%20bipolar%20PNe%20really%20have%20more%20massive%20progenitors?%20%20Central%20stars? - Do bipolar PNe really have more massive progenitors? Central stars? Eva Villaver (STScI/ESA) X. Outline. Central star masses. MageLlanic Clouds. RESULTS in the Galaxy ...

Do bipolar PNe really have more massive progenitors? Central stars? Eva Villaver (STScI/ESA) X. Outline. Central star masses. MageLlanic Clouds. RESULTS in the Galaxy ...

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Metallicity Evolution of Active Galactic Nuclei PowerPoint PPT Presentation

Metallicity Evolution of Active Galactic Nuclei - heavy elements SNe of massive stars, mass-loss from less-massive stars ~ 'imprint' of past star-formation history in each (host) galaxy ...

heavy elements SNe of massive stars, mass-loss from less-massive stars ~ 'imprint' of past star-formation history in each (host) galaxy ...

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SPIRIT/CORONAS-F experiment PowerPoint PPT Presentation

SPIRIT/CORONAS-F experiment - Herschel telescope-coronagraph. with 175, 304 A bands having off-axis ... Observations of solar EUV-corona by the Herschel telescope in the coronagraphic mode ...

Herschel telescope-coronagraph. with 175, 304 A bands having off-axis ... Observations of solar EUV-corona by the Herschel telescope in the coronagraphic mode ...

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Spectroscopic Properties of the z4.5 LyaEmitters PowerPoint PPT Presentation

Spectroscopic Properties of the z4.5 LyaEmitters - Daniel Stern (JPL) Lya. Lya. Lya. Lya. z=4.5. z=4.5. z=4.5. z=4.5. Keck/DEIMOS (Dawson et al. 2004b) ... 20% - 35% of the Lya-emitters in the spectroscopic ...

Daniel Stern (JPL) Lya. Lya. Lya. Lya. z=4.5. z=4.5. z=4.5. z=4.5. Keck/DEIMOS (Dawson et al. 2004b) ... 20% - 35% of the Lya-emitters in the spectroscopic ...

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Tetsuya Watanabe NAOJ PowerPoint PPT Presentation

Tetsuya Watanabe NAOJ - in a few arcsecs fov, there are significant changes: ... hot plasma ejecta or propagation of heating process to taller loops. log T = 6.8. log T = 7.2 ...

in a few arcsecs fov, there are significant changes: ... hot plasma ejecta or propagation of heating process to taller loops. log T = 6.8. log T = 7.2 ...

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On the slow rise of quiescent prominences prior to their eruption PowerPoint PPT Presentation

On the slow rise of quiescent prominences prior to their eruption - On the slow rise of quiescent prominences prior to their eruption ... cadence: 1 frames every 6 hours. CME watch: 4-5 frames per hour. High cadence images: ...

On the slow rise of quiescent prominences prior to their eruption ... cadence: 1 frames every 6 hours. CME watch: 4-5 frames per hour. High cadence images: ...

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EXPECTED SCIENTIFIC OUTCOME from TESIS PowerPoint PPT Presentation

EXPECTED SCIENTIFIC OUTCOME from TESIS - ???????? ????????? ????????? ??????? (??? ? ??? ? ... XUV spectroheliograph provides: The distribution of electron density over the temperature ...

???????? ????????? ????????? ??????? (??? ? ??? ? ... XUV spectroheliograph provides: The distribution of electron density over the temperature ...

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P' Heinzel 1,2, F' Frnk 1, U' Anzer 2 PowerPoint PPT Presentation

P' Heinzel 1,2, F' Frnk 1, U' Anzer 2 - ... et al. (2004) SOHO prominences. Photoionisation cross ... SOHO/EIT image in 304 A (left) and 195 A (right) overlaid as contours over an Yohkoh/SXT image. ...

... et al. (2004) SOHO prominences. Photoionisation cross ... SOHO/EIT image in 304 A (left) and 195 A (right) overlaid as contours over an Yohkoh/SXT image. ...

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Spectroscopic Observations with SolarB-EIS Helen E. Mason DAMTP, Centre for Mathematical Sciences Giulio Del Zanna, MSSL PowerPoint PPT Presentation

Spectroscopic Observations with SolarB-EIS Helen E. Mason DAMTP, Centre for Mathematical Sciences Giulio Del Zanna, MSSL - Title: PowerPoint Presentation Last modified by: mason Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show Other titles

Title: PowerPoint Presentation Last modified by: mason Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show Other titles

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What can emission lines tell us? lecture 2 Grazyna Stasinska PowerPoint PPT Presentation

What can emission lines tell us? lecture 2 Grazyna Stasinska - What can emission lines tell us? lecture 2 Gra yna Stasi ska

What can emission lines tell us? lecture 2 Gra yna Stasi ska

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SS 433 - Title: 1 Author: elant Last modified by: Tatjana Created Date: 10/7/2005 12:27:42 PM Document presentation format: Company: home

Title: 1 Author: elant Last modified by: Tatjana Created Date: 10/7/2005 12:27:42 PM Document presentation format: Company: home

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Modeling Star Formation and Chemical Evolution in the Local Group dwarfs Oleg Gnedin University of Michigan PowerPoint PPT Presentation

Modeling Star Formation and Chemical Evolution in the Local Group dwarfs Oleg Gnedin University of Michigan - New detailed star formation histories of all classic Local Group dwarfs ... Primordial gas does not cool efficiently in halos with T 104 K but we may also ...

New detailed star formation histories of all classic Local Group dwarfs ... Primordial gas does not cool efficiently in halos with T 104 K but we may also ...

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The observed mass loss vs. metallicity relation PowerPoint PPT Presentation

The observed mass loss vs. metallicity relation - Martins et al. in press. 6. Bouret et al. 2003. 2. Hillier ... Martins et al. 2005. Steep turn in MWM at log(L/L?) 5.25. SMC O stars. GAL, LMC, SMC O stars ...

Martins et al. in press. 6. Bouret et al. 2003. 2. Hillier ... Martins et al. 2005. Steep turn in MWM at log(L/L?) 5.25. SMC O stars. GAL, LMC, SMC O stars ...

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The Planetary Nebulae Luminosity Function for Galactic Bulge Planetary Nebulae PowerPoint PPT Presentation

The Planetary Nebulae Luminosity Function for Galactic Bulge Planetary Nebulae - to model the observations. Found since to work across all galaxies Ciardullo (03) ... for PNLF bright end in elliptical ( 10Gyr) galaxies? Possible explanations...

to model the observations. Found since to work across all galaxies Ciardullo (03) ... for PNLF bright end in elliptical ( 10Gyr) galaxies? Possible explanations...

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Do post-common envelope objects form a distinct subset of PNe? PowerPoint PPT Presentation

Do post-common envelope objects form a distinct subset of PNe? - Database of potentially nearby PNe Improved integrated fluxes in Ha and [OIII] ... H. Bond / HST/ NASA AAO/UKST Survey Credit: ESA/ESO/NASA AAO/UKST Survey ?

Database of potentially nearby PNe Improved integrated fluxes in Ha and [OIII] ... H. Bond / HST/ NASA AAO/UKST Survey Credit: ESA/ESO/NASA AAO/UKST Survey ?

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Decoding Absorption in the IGM PowerPoint PPT Presentation

Decoding Absorption in the IGM - Spectra 77 QSOs z=2 from Lick Kast spectrograph. Measured mean absorption from Ly-alpha in IGM. ... Lick 250 km/s. 24 QSOs HIRES 8 km/s. Removed mean metal ...

Spectra 77 QSOs z=2 from Lick Kast spectrograph. Measured mean absorption from Ly-alpha in IGM. ... Lick 250 km/s. 24 QSOs HIRES 8 km/s. Removed mean metal ...

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Requirements of technical systems V.Parma, TE-MSC PowerPoint PPT Presentation

Requirements of technical systems V.Parma, TE-MSC - Requirements of technical systems V.Parma, TE-MSC Outline: Introduction Systems involved Cryogenic system Super-conducting bus bars Beam vacuum Other requirements

Requirements of technical systems V.Parma, TE-MSC Outline: Introduction Systems involved Cryogenic system Super-conducting bus bars Beam vacuum Other requirements

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ATLAS CCD DE ESTNDARES OB DE CLASIFICACIN ESPECTRAL OBSERVADAS CON REOSC DS EN CASLEO PowerPoint PPT Presentation

ATLAS CCD DE ESTNDARES OB DE CLASIFICACIN ESPECTRAL OBSERVADAS CON REOSC DS EN CASLEO - ATLAS CCD DE EST NDARES OB DE CLASIFICACI N ESPECTRAL. OBSERVADAS CON REOSC ... Est ndares de TE observadas en el azul-rojo con el fin de ampliar los criterios ...

ATLAS CCD DE EST NDARES OB DE CLASIFICACI N ESPECTRAL. OBSERVADAS CON REOSC ... Est ndares de TE observadas en el azul-rojo con el fin de ampliar los criterios ...

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Using the Ha surface brightness radius relation to generate a volumelimited PN sample PowerPoint PPT Presentation

Using the Ha surface brightness radius relation to generate a volumelimited PN sample - 2. Using the Ha surface brightness radius relation to generate a volume-limited ... Needed a statistical distance technique that was applicable to any PN. ...

2. Using the Ha surface brightness radius relation to generate a volume-limited ... Needed a statistical distance technique that was applicable to any PN. ...

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SDSS - SDSS fiber spectrograph. Typical CV spectra in DR1. CVs in DR1 in Szkody et al. 2003, AJ, 126, 1499. Strong lines. Strong continuum. Cyclotron humps ...

SDSS fiber spectrograph. Typical CV spectra in DR1. CVs in DR1 in Szkody et al. 2003, AJ, 126, 1499. Strong lines. Strong continuum. Cyclotron humps ...

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Enigma of ultraluminous Xray sources may be resolved by 3Dspectroscopy - Enigma of ultraluminous Xray sources may be resolved by 3Dspectroscopy

Enigma of ultraluminous Xray sources may be resolved by 3Dspectroscopy

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Preliminary Airworthiness PowerPoint PPT Presentation

Preliminary Airworthiness - 1. Preliminary Airworthiness. Design Review for FIFI LS ... Engineers: H. Dohnalek (Design engineer, cryo/mechanics) G. Kettenring (Support engineer, FE modeling) ...

1. Preliminary Airworthiness. Design Review for FIFI LS ... Engineers: H. Dohnalek (Design engineer, cryo/mechanics) G. Kettenring (Support engineer, FE modeling) ...

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Nearinfrared spectral analysis of young OB stars PowerPoint PPT Presentation

Nearinfrared spectral analysis of young OB stars - Massive IMF, high mass cutoff, galactic SFR and structure. ... for the analysis of optically thin winds, down to the base of the photosphere. ...

Massive IMF, high mass cutoff, galactic SFR and structure. ... for the analysis of optically thin winds, down to the base of the photosphere. ...

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Jet-Gas%20Interactions%20in%20Seyfert%20Galaxies PowerPoint PPT Presentation

Jet-Gas%20Interactions%20in%20Seyfert%20Galaxies - Jet-Gas Interactions in Seyfert Galaxies Mark Whittle (Virginia) David Rosario (Virginia) John Silverman (Virginia) Charlie Nelson (Drake) Andrew Wilson (Maryland)

Jet-Gas Interactions in Seyfert Galaxies Mark Whittle (Virginia) David Rosario (Virginia) John Silverman (Virginia) Charlie Nelson (Drake) Andrew Wilson (Maryland)

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The Off-Plane Option for the Reflection Grating Spectrometer PowerPoint PPT Presentation

The Off-Plane Option for the Reflection Grating Spectrometer - The Off-Plane Option for the Reflection Grating Spectrometer Webster Cash University of Colorado Radial Groove Gratings An Off-plane X-ray Spectrum Off-plane ...

The Off-Plane Option for the Reflection Grating Spectrometer Webster Cash University of Colorado Radial Groove Gratings An Off-plane X-ray Spectrum Off-plane ...

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The Solar-B EUV Imaging Spectrometer: Science with EIS and Stereo with Focus on Velocity Measurement PowerPoint PPT Presentation

The Solar-B EUV Imaging Spectrometer: Science with EIS and Stereo with Focus on Velocity Measurement - Must raster with slits for high spectral resolution. Can image with slots ... spectral imaging or optimized raster scanning for high spectral resolution ...

Must raster with slits for high spectral resolution. Can image with slots ... spectral imaging or optimized raster scanning for high spectral resolution ...

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The effect of plasma shaping on plasma performance on NSTX - The effect of plasma shaping on plasma performance on NSTX

The effect of plasma shaping on plasma performance on NSTX

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Unkown stellar mass loss at low metallicity PowerPoint PPT Presentation

Unkown stellar mass loss at low metallicity - Unkown stellar mass loss at low metallicity. Henny Lamers ... Martins et al. 2004. Black = Gal. Red = LMC. Blue = SMC. ?L relation breaks down at log L 5.3 ! ...

Unkown stellar mass loss at low metallicity. Henny Lamers ... Martins et al. 2004. Black = Gal. Red = LMC. Blue = SMC. ?L relation breaks down at log L 5.3 ! ...

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Status of current work on Faculae and Sunspots PowerPoint PPT Presentation

Status of current work on Faculae and Sunspots - Accurate: Comprehensive set of rays. Coronal physics. Equation of state ... v(k) = (k P(k))1/2. Velocity driving for corona sims. Voronoi tessellation. ensemble ...

Accurate: Comprehensive set of rays. Coronal physics. Equation of state ... v(k) = (k P(k))1/2. Velocity driving for corona sims. Voronoi tessellation. ensemble ...

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The first sources of light in the Early Universe and the highest plausible redshift of luminous Quasars PowerPoint PPT Presentation

The first sources of light in the Early Universe and the highest plausible redshift of luminous Quasars - COBE data reveal fluctuations in CMB in mK domain. Large scale CMB ... results: flat universe with LCDM cosmology. L 0 WL ~ 0.62. WB ~ 0.05 WCDM ~ 0.33 ...

COBE data reveal fluctuations in CMB in mK domain. Large scale CMB ... results: flat universe with LCDM cosmology. L 0 WL ~ 0.62. WB ~ 0.05 WCDM ~ 0.33 ...

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Probing the Universe with QSO Absorption Lines PowerPoint PPT Presentation

Probing the Universe with QSO Absorption Lines - REW 0.3 Angstrom ... REW=1 Angstrom black absorption 107 ... Only have analyzed 243 MgII systems with kinematically extreme absorption (REW 2 Angstroms) ...

REW 0.3 Angstrom ... REW=1 Angstrom black absorption 107 ... Only have analyzed 243 MgII systems with kinematically extreme absorption (REW 2 Angstroms) ...

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Evolutionary Population Synthesis models PowerPoint PPT Presentation

Evolutionary Population Synthesis models - Old population ( 2 Gyr): 4000 Ang break and other Lick indices. SSP: spectral evolution ... 5. Lick Indices : age/metallicity. CSF vs IB: RSG features. Mayya ...

Old population ( 2 Gyr): 4000 Ang break and other Lick indices. SSP: spectral evolution ... 5. Lick Indices : age/metallicity. CSF vs IB: RSG features. Mayya ...

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Jet-Gas Interactions in Seyfert Galaxies PowerPoint PPT Presentation

Jet-Gas Interactions in Seyfert Galaxies - All galaxies have nuclear black holes. Those currently ... Gj ~ am Gem ~ 2-5 Gem. am = covering factor loss ; drag loss. Fj = Gj/Tage ~ 2-5 x 1033 dyne ...

All galaxies have nuclear black holes. Those currently ... Gj ~ am Gem ~ 2-5 Gem. am = covering factor loss ; drag loss. Fj = Gj/Tage ~ 2-5 x 1033 dyne ...

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Outflows in Emission and Absorption: The SDSS Perspective PowerPoint PPT Presentation

Outflows in Emission and Absorption: The SDSS Perspective - Bona-fide BALQSOs appear have intrinsically blue optical ... Bona-fide BAL troughs are found in quasars with certain SEDs (blue, large blueshift, X-ray weak) ...

Bona-fide BALQSOs appear have intrinsically blue optical ... Bona-fide BAL troughs are found in quasars with certain SEDs (blue, large blueshift, X-ray weak) ...

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What can emission lines tell us? lecture 2 Grazyna Stasinska - data base of 670 objects in spirals, SDSS DR3 and BCDs galaxies with Te measured ... data from subsample of SDSS DR3. normal star forming galaxies ...

data base of 670 objects in spirals, SDSS DR3 and BCDs galaxies with Te measured ... data from subsample of SDSS DR3. normal star forming galaxies ...

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Status of XP 502 (high b) and XP508 (long pulse) - Status of XP 502 high b and XP508 long pulse

Status of XP 502 high b and XP508 long pulse

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The farUV break in quasar SEDs, dust PowerPoint PPT Presentation

The farUV break in quasar SEDs, dust - Xi'an, October 2006. Note: the text accompanying this talk can be found at astro-ph ... nucleation of organic ice mixtures by UV photolysis (Kouchi et al. 2005) ...

Xi'an, October 2006. Note: the text accompanying this talk can be found at astro-ph ... nucleation of organic ice mixtures by UV photolysis (Kouchi et al. 2005) ...

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Development and Analysis of Gas Puff CXRS in SOL PowerPoint PPT Presentation

Development and Analysis of Gas Puff CXRS in SOL - B 5 ions at ~ separatrix sampled and Ti ~ 80 eV (so it appears they are ... don't know the limits of its use (how far inside the separatrix, density range...

B 5 ions at ~ separatrix sampled and Ti ~ 80 eV (so it appears they are ... don't know the limits of its use (how far inside the separatrix, density range...

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NOTES: The Lives of Stars PowerPoint PPT Presentation

NOTES: The Lives of Stars - NOTES: The Lives of Stars Gestation, Birth, and Youth: 1. The womb: Stars are born in dense molecular clouds.--The interstellar medium must be dense enough so H atoms

NOTES: The Lives of Stars Gestation, Birth, and Youth: 1. The womb: Stars are born in dense molecular clouds.--The interstellar medium must be dense enough so H atoms

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Fusion in hochdichtem Deuterium PowerPoint PPT Presentation

Fusion in hochdichtem Deuterium - Fusion in hochdichtem Deuterium Dr. Steinbock, Schulstr. 29 76351-Linkenheim-Hochstetten lothar@sibex.de Inhalt: Holmlids HDD-Ver ffentlichung und Pressekonferenz ...

Fusion in hochdichtem Deuterium Dr. Steinbock, Schulstr. 29 76351-Linkenheim-Hochstetten lothar@sibex.de Inhalt: Holmlids HDD-Ver ffentlichung und Pressekonferenz ...

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The Birth and Assembly of Galaxies: the Relationship Between Science Capabilities and Telescope Aper PowerPoint PPT Presentation

The Birth and Assembly of Galaxies: the Relationship Between Science Capabilities and Telescope Aper - The Birth and Assembly of Galaxies: the Relationship Between Science ... J.-D. Smith, Casey Papovich, Romeel Dav , Jean Brodie, Bev Oke, Brad Whitmore, Rob Kennicutt ...

The Birth and Assembly of Galaxies: the Relationship Between Science ... J.-D. Smith, Casey Papovich, Romeel Dav , Jean Brodie, Bev Oke, Brad Whitmore, Rob Kennicutt ...

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The%20Tension%20in%20Standard%20Big%20Bang%20Nucleosynthesis:%20Deuterium,%20Helium,%20Lithium%20and%20the%20Baryon%20Density PowerPoint PPT Presentation

The%20Tension%20in%20Standard%20Big%20Bang%20Nucleosynthesis:%20Deuterium,%20Helium,%20Lithium%20and%20the%20Baryon%20Density - David Tytler, David Kirkman, Nao Suzuki, Dan Lubin, Xiao-Ming Fan, Scott Burles, ... Depends on fraction of gas in stars, IMF, infall of gas with primordial D/H ...

David Tytler, David Kirkman, Nao Suzuki, Dan Lubin, Xiao-Ming Fan, Scott Burles, ... Depends on fraction of gas in stars, IMF, infall of gas with primordial D/H ...

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David Elbaz - IR view of AGNs 1 PowerPoint PPT Presentation

David Elbaz - IR view of AGNs 1 - What can we learn about... The obscured sources responsible for the peak ... z~1 with D.Alexander, R.R. Chary ... Unified scenario: Compton Thick AGNs = edge-on ...

What can we learn about... The obscured sources responsible for the peak ... z~1 with D.Alexander, R.R. Chary ... Unified scenario: Compton Thick AGNs = edge-on ...

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Star-Forming Galaxies with VIRUS/HETDEX PowerPoint PPT Presentation

Star-Forming Galaxies with VIRUS/HETDEX - Narrow-band imaging ... But Keck long-slit & narrow-band surveys in 1998 (Cowie & Hu, Hu et ... Since then, narrow-band surveys using mostly 4-m class ...

Narrow-band imaging ... But Keck long-slit & narrow-band surveys in 1998 (Cowie & Hu, Hu et ... Since then, narrow-band surveys using mostly 4-m class ...

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Do postcommon envelope objects form a distinct subset of PNe - parallax. 1.6 0.4. SuWt 2. 0.17. gravity method. 18 5. SBS 1150 599A ... spectroscopic parallax. 0.6 0.3. HFG 1 # Mass (M ) Method. Distance (kpc) PN ...

parallax. 1.6 0.4. SuWt 2. 0.17. gravity method. 18 5. SBS 1150 599A ... spectroscopic parallax. 0.6 0.3. HFG 1 # Mass (M ) Method. Distance (kpc) PN ...

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The evolution of heliumrich subdwarf B stars PowerPoint PPT Presentation

The evolution of heliumrich subdwarf B stars - ... population of faint blue blue stars in our galaxy and giant elliptical galaxies ... Early 1980's helium-rich and helium-poor objects thought to be separated by a ...

... population of faint blue blue stars in our galaxy and giant elliptical galaxies ... Early 1980's helium-rich and helium-poor objects thought to be separated by a ...

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Heii PowerPoint PPT Presentations