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Quasars PowerPoint PPT Presentation
Quasars - Quasars & AGN Some supplemental reading: GREAT compilation of review articles at http://nedwww.ipac.caltech.edu/level5/active_galaxies.html Ties to Host Galaxy ...
Quasars & AGN Some supplemental reading: GREAT compilation of review articles at http://nedwww.ipac.caltech.edu/level5/active_galaxies.html Ties to Host Galaxy ...
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Quasars PowerPoint PPT Presentation
Quasars - Quasars Unsolved mysteries? Line patterns did not match any of the patterns seen in 1000 s of stellar spectra gathered over a 100 years.
Quasars Unsolved mysteries? Line patterns did not match any of the patterns seen in 1000 s of stellar spectra gathered over a 100 years.
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Quasars PowerPoint PPT Presentation
Quasars - Hubble only got one or two spectra PER YEAR. Q: How can you get ... Need 20 x 20 = 400 images per square degree. About 40,000 square degrees on the whole sky. ...
Hubble only got one or two spectra PER YEAR. Q: How can you get ... Need 20 x 20 = 400 images per square degree. About 40,000 square degrees on the whole sky. ...
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QUASARS PowerPoint PPT Presentation
QUASARS - What is a quasar ? Extremely bright and distant active nucleus of a galaxy. ... The light we see today is what the quasar looked like billion of years ago. ...
What is a quasar ? Extremely bright and distant active nucleus of a galaxy. ... The light we see today is what the quasar looked like billion of years ago. ...
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Intrinsic Properties of Quasars: PowerPoint PPT Presentation
Intrinsic Properties of Quasars: - Intrinsic Properties of Quasars: Testing the Standard Paradigm David Turnshek University of Pittsburgh
Intrinsic Properties of Quasars: Testing the Standard Paradigm David Turnshek University of Pittsburgh
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Solving Quasars part I PowerPoint PPT Presentation
Solving Quasars part I - Understanding Quasar Atmospheres Martin Elvis Harvard-Smithsonian Center for Astrophysics ... Already exist at t
Understanding Quasar Atmospheres Martin Elvis Harvard-Smithsonian Center for Astrophysics ... Already exist at t
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Quasars and Cosmology PowerPoint PPT Presentation
Quasars and Cosmology - Quasars and Cosmology
Quasars and Cosmology
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Solving Quasars part I PowerPoint PPT Presentation
Solving Quasars part I - Elvis M., 2000, Astrophysical Journal 545, 63. Fermilab Colloqium 29 October 2003 ... 1/day. Now 2 per day = 5% of all astronomy papers. Spam! Need filters ...
Elvis M., 2000, Astrophysical Journal 545, 63. Fermilab Colloqium 29 October 2003 ... 1/day. Now 2 per day = 5% of all astronomy papers. Spam! Need filters ...
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Intrinsic Absorption in Quasars: BALs PowerPoint PPT Presentation
Intrinsic Absorption in Quasars: BALs - Title: Discovery of a relativistic Fe line in PG 1425+267 with XMM-Newton and study of its short time-scale variability Author: Jonathan Trump Last modified by
Title: Discovery of a relativistic Fe line in PG 1425+267 with XMM-Newton and study of its short time-scale variability Author: Jonathan Trump Last modified by
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High Velocity Outflows in Quasars PowerPoint PPT Presentation
High Velocity Outflows in Quasars - High Velocity Outflows. in Quasars. Paola Rodriguez Hidalgo. Advisor: Fred Hamann ... Based on similar redshift to the quasar: Associated. Non-associated ...
High Velocity Outflows. in Quasars. Paola Rodriguez Hidalgo. Advisor: Fred Hamann ... Based on similar redshift to the quasar: Associated. Non-associated ...
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High-redshift obscured quasars PowerPoint PPT Presentation
High-redshift obscured quasars - S 3.6 m 45 Jy : rejects type-1s and low-z type-2s (z phot 1.4) ... z phot = 1.90. z spec = 2.08. Av 35. Mid-IR radio reveals z 2 obscured quasars ...
S 3.6 m 45 Jy : rejects type-1s and low-z type-2s (z phot 1.4) ... z phot = 1.90. z spec = 2.08. Av 35. Mid-IR radio reveals z 2 obscured quasars ...
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Radio Galaxies and Quasars PowerPoint PPT Presentation
Radio Galaxies and Quasars - How we know distances to radio galaxies: redshifts (Doppler shifts) Hubble's Law ... With Hubble Space Telescope, we have imaged Quasars. What are quasars? ...
How we know distances to radio galaxies: redshifts (Doppler shifts) Hubble's Law ... With Hubble Space Telescope, we have imaged Quasars. What are quasars? ...
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Evolution of HighRedshift Quasars PowerPoint PPT Presentation
Evolution of HighRedshift Quasars - Imaging Survey (wide-field 54 CCD imager) Main Survey: 10000 deg2. Five bands, 3000 10000 ... At high-luminosity: X-ray and optical traces the same population ...
Imaging Survey (wide-field 54 CCD imager) Main Survey: 10000 deg2. Five bands, 3000 10000 ... At high-luminosity: X-ray and optical traces the same population ...
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Quasars and Active Galaxies PowerPoint PPT Presentation
Quasars and Active Galaxies - Chapter 17 Quasars and Active Galaxies Introduction Quasars, and the way in which they became understood, have been one of the most exciting stories of the last forty ...
Chapter 17 Quasars and Active Galaxies Introduction Quasars, and the way in which they became understood, have been one of the most exciting stories of the last forty ...
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Looking Inside Quasars with Microlensing PowerPoint PPT Presentation
Looking Inside Quasars with Microlensing - Implications Constrain the Accretion Disk Models. Gravitational Lens RXJ1131-1231 ... Microlensing Magnification Pattern. We know the sizes of these patterns. ...
Implications Constrain the Accretion Disk Models. Gravitational Lens RXJ1131-1231 ... Microlensing Magnification Pattern. We know the sizes of these patterns. ...
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Color Selection of Quasars PowerPoint PPT Presentation
Color Selection of Quasars - Cannot take a spectra below 19th magnitude. Suggests that we should not go below a primary magnitude of 18. Separations greater than 2' ...
Cannot take a spectra below 19th magnitude. Suggests that we should not go below a primary magnitude of 18. Separations greater than 2' ...
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15.4 Quasars and Other Active Galactic Nuclei PowerPoint PPT Presentation
15.4 Quasars and Other Active Galactic Nuclei - 15.4 Quasars and Other Active Galactic Nuclei Our Goals for Learning What are quasars? What is the power source for quasars and other active galactic nuclei?
15.4 Quasars and Other Active Galactic Nuclei Our Goals for Learning What are quasars? What is the power source for quasars and other active galactic nuclei?
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Quasars and Active Galactic Nuclei PowerPoint PPT Presentation
Quasars and Active Galactic Nuclei - Quasars have 100 times the luminosity of our Galaxy ... elliptical galaxy in visible light, but like a dim quasar in radio. The nucleus of the galaxy contains ...
Quasars have 100 times the luminosity of our Galaxy ... elliptical galaxy in visible light, but like a dim quasar in radio. The nucleus of the galaxy contains ...
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WHAT ARE QUASARS? PowerPoint PPT Presentation
WHAT ARE QUASARS? - ... emit radio waves and they were called quasi-stellar radio wave sources, but it ... stars also emit radio waves, so they were renamed quasi-stellar objects. ...
... emit radio waves and they were called quasi-stellar radio wave sources, but it ... stars also emit radio waves, so they were renamed quasi-stellar objects. ...
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Cosmological Evolution of the Duty Cycle of Quasars PowerPoint PPT Presentation
Cosmological Evolution of the Duty Cycle of Quasars - Cosmological Evolution of the Duty Cycle of Quasars Yan-Mei Chen Collaborator: Jian-Min Wang, Fan Zhang Institute of High Energy Physics, CAS, China
Cosmological Evolution of the Duty Cycle of Quasars Yan-Mei Chen Collaborator: Jian-Min Wang, Fan Zhang Institute of High Energy Physics, CAS, China
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Quasars and Galaxies at the Highest Redshifts PowerPoint PPT Presentation
Quasars and Galaxies at the Highest Redshifts - z=4 Model Quasar SDSS filter set. Crafoord Symposium, Sept 2005. 10 ... Will become ESO facility on completion of construction and commissioning in late ...
z=4 Model Quasar SDSS filter set. Crafoord Symposium, Sept 2005. 10 ... Will become ESO facility on completion of construction and commissioning in late ...
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Statistical analysis of caustic crossings in multiply imaged quasars PowerPoint PPT Presentation
Statistical analysis of caustic crossings in multiply imaged quasars - Statistical analysis of caustic crossings in multiply imaged quasars Teresa Mediavilla Gradolph Octavio Ariza S nchez Evencio Mediavilla Gradolph
Statistical analysis of caustic crossings in multiply imaged quasars Teresa Mediavilla Gradolph Octavio Ariza S nchez Evencio Mediavilla Gradolph
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Evolution of High-Redshift Quasars PowerPoint PPT Presentation
Evolution of High-Redshift Quasars - Dust and star formation in high-z quasar host galaxies ... How to assemble such mass BHs and their host galaxies in less than 1Gyr? ...
Dust and star formation in high-z quasar host galaxies ... How to assemble such mass BHs and their host galaxies in less than 1Gyr? ...
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Soft X-ray emission in Parkes Quasars. PowerPoint PPT Presentation
Soft X-ray emission in Parkes Quasars. - M.Whiting1, R.Webster1, P.Francis2. ... Parkes quasars are known to be reddened. (Webster et al. 1995, Nature,375, 469 ; Francis et al. 1999, PASA, in prep. ...
M.Whiting1, R.Webster1, P.Francis2. ... Parkes quasars are known to be reddened. (Webster et al. 1995, Nature,375, 469 ; Francis et al. 1999, PASA, in prep. ...
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Imaging Quasars with Interferometry PowerPoint PPT Presentation
Imaging Quasars with Interferometry - Martin Elvis. Harvard-Smithsonian Center for Astrophysics. Martin Elvis, Interferometry ... Proposed: Mushotzky 1972 - Murray 1995- Elvis 2000,Proga2000 ...
Martin Elvis. Harvard-Smithsonian Center for Astrophysics. Martin Elvis, Interferometry ... Proposed: Mushotzky 1972 - Murray 1995- Elvis 2000,Proga2000 ...
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HighRedshift Quasars in the SDSS PowerPoint PPT Presentation
HighRedshift Quasars in the SDSS - Galaxy Formation and IGM Evolution. Existence of SBHs at the end of Dark Ages ... Quasar and early-type galaxy survey with flux-limit about 3 mag deeper than SDSS ...
Galaxy Formation and IGM Evolution. Existence of SBHs at the end of Dark Ages ... Quasar and early-type galaxy survey with flux-limit about 3 mag deeper than SDSS ...
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The Radio Properties of Type II Quasars PowerPoint PPT Presentation
The Radio Properties of Type II Quasars - Palomar Bright Quasar sample (BQS) Radio properties (Kellermann et al. 1989, 1994) ... BQS sample. Detection rate : 96 of 114 (84%) at 5 GHz. CfA Seyfert sample ...
Palomar Bright Quasar sample (BQS) Radio properties (Kellermann et al. 1989, 1994) ... BQS sample. Detection rate : 96 of 114 (84%) at 5 GHz. CfA Seyfert sample ...
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Observations of IntraHour Variable Quasars PowerPoint PPT Presentation
Observations of IntraHour Variable Quasars - PKS B0405-385: the first IHV quasar ... J1819 3845 the 2nd IHV quasar. Dennett-Thorpe & de Bruyn (2000) ... PKS B1257-326: the 3rd IHV quasar ...
PKS B0405-385: the first IHV quasar ... J1819 3845 the 2nd IHV quasar. Dennett-Thorpe & de Bruyn (2000) ... PKS B1257-326: the 3rd IHV quasar ...
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Highredshift Quasars in the SDSS PowerPoint PPT Presentation
Highredshift Quasars in the SDSS - High S/N, high resolution spectroscopy at Keck/VLT/HET ... Goal: evolution of faint quasars at high-z. Data: Southern Survey images. Facilities: ...
High S/N, high resolution spectroscopy at Keck/VLT/HET ... Goal: evolution of faint quasars at high-z. Data: Southern Survey images. Facilities: ...
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Galaxies, groups and clusters towards lensed quasars PowerPoint PPT Presentation
Galaxies, groups and clusters towards lensed quasars - to derive Ho on a cosmological scale (from systems with known time. delay) ... Kochanek & Schechter 2003 : Ho=48 /- 3 km s-1 Mpc- 1 ...
to derive Ho on a cosmological scale (from systems with known time. delay) ... Kochanek & Schechter 2003 : Ho=48 /- 3 km s-1 Mpc- 1 ...
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Quasars, Active Galactic Nuclei AGN, and Black Holes PowerPoint PPT Presentation
Quasars, Active Galactic Nuclei AGN, and Black Holes - Quasars, Active Galactic Nuclei (AGN), and Black Holes. What is an 'active galaxy' or 'quasar' ... Black holes: Natural explanation of AGNs and quasars ...
Quasars, Active Galactic Nuclei (AGN), and Black Holes. What is an 'active galaxy' or 'quasar' ... Black holes: Natural explanation of AGNs and quasars ...
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Hubble Space Telescope Images of Post-Starburst Quasars PowerPoint PPT Presentation
Hubble Space Telescope Images of Post-Starburst Quasars - Hubble Space Telescope Images of Post-Starburst Quasars Michael S. Brotherton, S. Cales, R. Ganguly, Z. Shang (University of Wyoming) G. Canalizo (University of ...
Hubble Space Telescope Images of Post-Starburst Quasars Michael S. Brotherton, S. Cales, R. Ganguly, Z. Shang (University of Wyoming) G. Canalizo (University of ...
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Quasars, Active Galaxies, and GammaRay Bursters PowerPoint PPT Presentation
Quasars, Active Galaxies, and GammaRay Bursters - How did astronomers discover that they are extraordinarily distant and luminous? ... be very luminous, typically about 1000 times brighter than an ordinary galaxy ...
How did astronomers discover that they are extraordinarily distant and luminous? ... be very luminous, typically about 1000 times brighter than an ordinary galaxy ...
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The Accretion Disk Temperature Continuum Color Relation in Quasars PowerPoint PPT Presentation
The Accretion Disk Temperature Continuum Color Relation in Quasars - The Accretion Disk Temperature - Continuum Color Relation in Quasars. Erin ... Na ve expectation from freshman physics hotter blackbody is bluer in color ...
The Accretion Disk Temperature - Continuum Color Relation in Quasars. Erin ... Na ve expectation from freshman physics hotter blackbody is bluer in color ...
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Warm Dust in the Most Distant Quasars PowerPoint PPT Presentation
Warm Dust in the Most Distant Quasars - The dust temperature, distribution, and Luminosity: dust heating quasar systems. ... The FIR emission exceeds that of the local quasar template. ...
The dust temperature, distribution, and Luminosity: dust heating quasar systems. ... The FIR emission exceeds that of the local quasar template. ...
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The Gaseous Halos of Galaxies and Quasars PowerPoint PPT Presentation
The Gaseous Halos of Galaxies and Quasars - Halos of Galaxies & Quasars Doron Chelouche (IAS) The Gaseous Halos of ... B. M nard (CITA), D. Bowen (Princeton), O. Gnat (Caltech/TAU) and many others! ...
Halos of Galaxies & Quasars Doron Chelouche (IAS) The Gaseous Halos of ... B. M nard (CITA), D. Bowen (Princeton), O. Gnat (Caltech/TAU) and many others! ...
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Probing the End of Reionization with Highredshift Quasars PowerPoint PPT Presentation
Probing the End of Reionization with Highredshift Quasars - University of Arizona. Mar 18, 2005, Shanghai ... Put the picture together. G-P results: overlapping might be happening at z~6 or slightly earlier ...
University of Arizona. Mar 18, 2005, Shanghai ... Put the picture together. G-P results: overlapping might be happening at z~6 or slightly earlier ...
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OBSERVING QUASARS LENSED BY A CLUSTER OF GALAXIES WITH GTC-OSIRIS PowerPoint PPT Presentation
OBSERVING QUASARS LENSED BY A CLUSTER OF GALAXIES WITH GTC-OSIRIS - OBSERVING QUASARS LENSED BY A CLUSTER OF GALAXIES WITH GTC-OSIRIS. Tom s Verdugo ... Detection of LAEs behind a cluster of galaxies with GTC-OSIRIS ...
OBSERVING QUASARS LENSED BY A CLUSTER OF GALAXIES WITH GTC-OSIRIS. Tom s Verdugo ... Detection of LAEs behind a cluster of galaxies with GTC-OSIRIS ...
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UV to Mid-IR SEDs of Low Redshift Quasars PowerPoint PPT Presentation
UV to Mid-IR SEDs of Low Redshift Quasars - Recent Results from Spitzer (broad band IRAC) ... Mid-IR SED from spectra (Spitzer IRS) Study emission features ... Spitzer IRS mid-IR spectra (rest frame ~5 ...
Recent Results from Spitzer (broad band IRAC) ... Mid-IR SED from spectra (Spitzer IRS) Study emission features ... Spitzer IRS mid-IR spectra (rest frame ~5 ...
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Evolution of the Highest Redshift Quasars PowerPoint PPT Presentation
Evolution of the Highest Redshift Quasars - Stellar Populations and Chemical Evolution. Assembly of Galaxies. Black Holes in the Universe ... NIRMOS Properties with OH Suppression and low-noise Near-IR ...
Stellar Populations and Chemical Evolution. Assembly of Galaxies. Black Holes in the Universe ... NIRMOS Properties with OH Suppression and low-noise Near-IR ...
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Universe 8e Lecture Chapter 25 Quasars and Active Galaxies PowerPoint PPT Presentation
Universe 8e Lecture Chapter 25 Quasars and Active Galaxies - 25-3 What Seyfert galaxies and radio galaxies are and how they compare to quasars ... ejected from the nucleus of a radio galaxy along two oppositely directed beams. ...
25-3 What Seyfert galaxies and radio galaxies are and how they compare to quasars ... ejected from the nucleus of a radio galaxy along two oppositely directed beams. ...
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Metallicity and Black Hole Masses of Redshift 6 Quasars PowerPoint PPT Presentation
Metallicity and Black Hole Masses of Redshift 6 Quasars - power-law slope of continuum. absorption by intervening or co ... After subtraction of continua and template. MgII spectra. CIV spectra. SZ and J band spectra ...
power-law slope of continuum. absorption by intervening or co ... After subtraction of continua and template. MgII spectra. CIV spectra. SZ and J band spectra ...
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The Xray properties of Spitzerselected type2 quasars PowerPoint PPT Presentation
The Xray properties of Spitzerselected type2 quasars - ... Gabriela Canalizo (Riverside), Susan Ridgway (NOAO), Elinor Gates (Lick Obs) ... Spitzer finds objects on basis of hot dust emission. ...
... Gabriela Canalizo (Riverside), Susan Ridgway (NOAO), Elinor Gates (Lick Obs) ... Spitzer finds objects on basis of hot dust emission. ...
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Galaxies and Quasars in the Epoch of Reionization PowerPoint PPT Presentation
Galaxies and Quasars in the Epoch of Reionization - Thoeretical: Lars Hernquist (CfA), Volker Springel (MPA) ... SWIFT. GLAST. MAMBO. Exciting Era for High-z Objects. Presence of SMBH in quasars, MBH~109 M ...
Thoeretical: Lars Hernquist (CfA), Volker Springel (MPA) ... SWIFT. GLAST. MAMBO. Exciting Era for High-z Objects. Presence of SMBH in quasars, MBH~109 M ...
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Jets polarization and spectral properties of 18 gamma-ray quasars PowerPoint PPT Presentation
Jets polarization and spectral properties of 18 gamma-ray quasars - 0234 285 1.207 1156 295 0.729 1633 382 1.807. 0420-014 0.915 1222 216 0.435 1739 522 1.381 ... 0827 243 0.00 mas 1633 382 0.73 mas. 1222 216 0.64 mas 2230 114 ...
0234 285 1.207 1156 295 0.729 1633 382 1.807. 0420-014 0.915 1222 216 0.435 1739 522 1.381 ... 0827 243 0.00 mas 1633 382 0.73 mas. 1222 216 0.64 mas 2230 114 ...
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Discovery of Cluster-Scale Lensed Quasars using the Subaru Telescope PowerPoint PPT Presentation
Discovery of Cluster-Scale Lensed Quasars using the Subaru Telescope - Quasar Lens Search (SQLS). The main purposes of ... Gravitationally lensed quasar survey using the SDSS. data. ... We have succeeded in discovering 28 lensed quasars ...
Quasar Lens Search (SQLS). The main purposes of ... Gravitationally lensed quasar survey using the SDSS. data. ... We have succeeded in discovering 28 lensed quasars ...
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Finding Binary Quasars in SDSS PowerPoint PPT Presentation
Finding Binary Quasars in SDSS - We conducted a visual inspection of 21,000 quasar spectra from the Sloan Digital ... This work is based on data from the Sloan Digital Sky Survey (http://www.sdss.org) ...
We conducted a visual inspection of 21,000 quasar spectra from the Sloan Digital ... This work is based on data from the Sloan Digital Sky Survey (http://www.sdss.org) ...
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The Highest-Redshift Quasars and Early Growth of Supermassive Black Holes PowerPoint PPT Presentation
The Highest-Redshift Quasars and Early Growth of Supermassive Black Holes - It traces the emergence of the earliest supermassive BHs in the Universe ... How to form such massive galaxies and assemble such massive BHs in less than 1Gyr? ...
It traces the emergence of the earliest supermassive BHs in the Universe ... How to form such massive galaxies and assemble such massive BHs in less than 1Gyr? ...
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The BlackHole Halo Mass Relation and High Redshift Quasars PowerPoint PPT Presentation
The BlackHole Halo Mass Relation and High Redshift Quasars - The bulges of all local galaxies contain SMBHs. ... At higher redshift, galaxies form out of a denser background, have a larger ...
The bulges of all local galaxies contain SMBHs. ... At higher redshift, galaxies form out of a denser background, have a larger ...
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The Most Distant Quasars: Probing the End of Cosmic Dark Ages PowerPoint PPT Presentation
The Most Distant Quasars: Probing the End of Cosmic Dark Ages - Lyman Absorption of z~6 quasars. Discovery of complete Gunn-Peterson troughs ... by comparing with cosmological simulations of Lyman absorption in a LCDM model ...
Lyman Absorption of z~6 quasars. Discovery of complete Gunn-Peterson troughs ... by comparing with cosmological simulations of Lyman absorption in a LCDM model ...
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Effects of the turbulent ISM on radio observations of quasars PowerPoint PPT Presentation
Effects of the turbulent ISM on radio observations of quasars - Type I: 2 days. Type II: 2 days. Fast: less than an hour. VLBI observations: d=20-1000 ... 2006) at 8 GHz. v: 220 - 47 km/s, t: 12 - 52 days. 1.67 GHz. 40 pc ...
Type I: 2 days. Type II: 2 days. Fast: less than an hour. VLBI observations: d=20-1000 ... 2006) at 8 GHz. v: 220 - 47 km/s, t: 12 - 52 days. 1.67 GHz. 40 pc ...
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Lecture 3: The Highest Redshift Quasars: Early Black Hole Evolution and the End of Reionization PowerPoint PPT Presentation
Lecture 3: The Highest Redshift Quasars: Early Black Hole Evolution and the End of Reionization - Gemini Keck. Early enrichment of quasars. Venkatesan et al. 2004 ... However, detailed analysis might be indicating first signs of SED evolution: ...
Gemini Keck. Early enrichment of quasars. Venkatesan et al. 2004 ... However, detailed analysis might be indicating first signs of SED evolution: ...
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Color Anomaly in Multiple Quasars Dust Inhomogeneity or Quasar Microlensing PowerPoint PPT Presentation
Color Anomaly in Multiple Quasars Dust Inhomogeneity or Quasar Microlensing - Images created from the same quasar should be observed with an identical color. ... Quasar microlensing ... 4. Quasar Microlensing ...
Images created from the same quasar should be observed with an identical color. ... Quasar microlensing ... 4. Quasar Microlensing ...
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Quasars and Low Surface Brightness Galaxies as Probes of Dark Matter PowerPoint PPT Presentation
Quasars and Low Surface Brightness Galaxies as Probes of Dark Matter - Low-z galaxy with pairs of high-z quasars (with z1 z2) aligned along minor axis ... explain the long-term optical variability of quasars Hawkins is wrong! ...
Low-z galaxy with pairs of high-z quasars (with z1 z2) aligned along minor axis ... explain the long-term optical variability of quasars Hawkins is wrong! ...
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The HighestRedshift Quasars and the End of Cosmic Dark Ages PowerPoint PPT Presentation
The HighestRedshift Quasars and the End of Cosmic Dark Ages - the End of Cosmic Dark Ages. Xiaohui Fan ... How were the 'cosmic dark ages' ended by the first generation of galaxies and quasars? ...
the End of Cosmic Dark Ages. Xiaohui Fan ... How were the 'cosmic dark ages' ended by the first generation of galaxies and quasars? ...
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Probing the Cosmic Evolution with the Highest Redshift Quasars PowerPoint PPT Presentation
Probing the Cosmic Evolution with the Highest Redshift Quasars - High metallicity in the quasar environment recent star formation and chemical enrichment ... The end of dark ages: Movie. Gnedin 2000. Neutral fraction. UV ...
High metallicity in the quasar environment recent star formation and chemical enrichment ... The end of dark ages: Movie. Gnedin 2000. Neutral fraction. UV ...
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