'Ly forest' presentation slideshows

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1.01k views • 82 slides

Concept study for the CO smic D ynamics EX periment

792 views • 63 slides

Quasars Probing Quasars: Shedding (Quasar) Light on High Redshift Galaxies

Quasars Probing Quasars: Shedding (Quasar) Light on High Redshift Galaxies. Joseph F. Hennawi UC Berkeley. Ohio State February 20, 2007. Suspects. Xavier Prochaska (UCSC). Scott Burles (MIT). Juna Kollmeier (Carnegie) & Zheng Zheng (IAS). Outline. Motivation Finding close quasar pairs

586 views • 35 slides

Quasars Probing Quasars: Shedding (Quasar) Light on High Redshift Galaxies

Quasars Probing Quasars: Shedding (Quasar) Light on High Redshift Galaxies. Joseph F. Hennawi UC Berkeley. Ohio State February 20, 2007. Suspects. Xavier Prochaska (UCSC). Scott Burles (MIT). Juna Kollmeier (Carnegie) & Zheng Zheng (IAS). Outline. Motivation Finding close quasar pairs

379 views • 35 slides

The State of the Universe

The State of the Universe. David Weinberg, Ohio State University. The State of the Universe (as we know it). David Weinberg, Ohio State University. The State of the Universe (as we think we know it). David Weinberg, Ohio State University. Bottom Line.

420 views • 32 slides

Concept study for the CO smical D ynamics EX periment

481 views • 31 slides

Quasars Probing Quasars

Quasars Probing Quasars. z = 2.53. b/g QSO. z = 2.44. R ?. f/g QSO. Joseph F. Hennawi Berkeley. Hubble Symposium April 20, 2006. Suspects. Scott Burles (MIT). Michael Strauss (Princeton). Jason Prochaska (UCSC). Outline. Primer on quasar absorption lines Proximity effects

374 views • 22 slides

Joseph F. Hennawi UC Berkeley &

Xavier Prochaska (UCSC). Quasars Probing Quasars. Joseph F. Hennawi UC Berkeley &. OSU October 3, 2007. A Simple Observation. Spectrum from Wallace Sargent. The Basic Picture. Transverse. Line-of-Sight. b/g QSO. QSO. R ?. R ||. f/g QSO. HI cloud. HI cloud.

370 views • 19 slides

Shedding (Quasar) Light on High Redshift Galaxies

Shedding (Quasar) Light on High Redshift Galaxies. Joseph F. Hennawi UC Berkeley. Hubble Fellowship Symposium April 2, 2007. Suspects. Hubble Fellow Class of 2001. Jason X. Prochaska (UCSC). Hubble Fellow Classes of 2006 and 2004. Juna Kollmeier (Carnegie) & Zheng Zheng (IAS). Outline.

367 views • 16 slides

Simona Gallerani (Osservatorio Astronomico di Roma)

The proximity effect around high-redshift quasars. Simona Gallerani (Osservatorio Astronomico di Roma). In collaboration with: T. Roy Choudhury, X. Fan, A. Ferrara, A. Maselli. 8 th February 2010 2 nd Roman Young Researchers Meeting. Cosmic reionization. B I G B A N G.

301 views • 15 slides

The WHIM In Leiden

The WHIM In Leiden. Joop Schaye. Can we find the missing baryons?. Most of the WHIM (10^5-10^7 K) is only moderately overdense Most of the WHIM is metal-poor Metallicity is highly stochastic. Studies using metal emission and (less so) absorption will give a highly biased view.

291 views • 14 slides

GSMT Science - Case Studies

GSMT Science - Case Studies. Large Scale Structure and Cosmology. Matthew Colless 4-5 December 2002. A 3-D baryon map at high redshifts The dark energy equation of state Survey telescope design issues. A 3-D baryon map at z ? 3 1. Science goals and method.

219 views • 12 slides