'Lyman alpha' presentation slideshows

Early galaxies/AGNs and Reionization

Early galaxies/AGNs and Reionization. Andrea Grazian (INAF-OAR) June 27th, 2018 ASI-COSMOS Meeting (Ferrara). Outline. Reionization: what and when ? Galaxies and AGNs as cosmic tools to constrain Reionization Galaxies and AGNs as main drivers of Reionization ? Future Prospects.

715 views • 71 slides

Metals & Star Formation at High Redshift

Metals & Star Formation at High Redshift. Len Cowie STScI March 2006. Metals & Star formation at z=6 & (re)ionization. We know the intergalactic gas is ionized at z= 6. We now know that there are substantial amounts of metals in the intergalactic/galactic gas at z=6. NEW!

702 views • 69 slides

NEUTRINO COSMOLOGY

NEUTRINO COSMOLOGY. n e n m n t. STEEN HANNESTAD UNIVERSITY OF AARHUS BLAUBEUREN, 3 JULY 2007. OUTLINE. A BRIEF REVIEW OF PRESENT COSMOLOGICAL DATA. BOUNDS ON NEUTRINO PROPERTIES. WHAT IS TO COME IN THE FUTURE?. THE COSMIC MICROWAVE BACKGROUND.

657 views • 51 slides

NEUTRINO COSMOLOGY

NEUTRINO COSMOLOGY. n e n m n t. STEEN HANNESTAD UNIVERSITY OF AARHUS LAUNCH WORKSHOP, 21 MARCH 2007. OUTLINE. A BRIEF REVIEW OF PRESENT COSMOLOGICAL DATA. BOUNDS ON THE NEUTRINO PROPERTIES. HOW DO NEUTRINOS INFLUENCE THE DETERMINATION OF OTHER PARAMETERS.

416 views • 41 slides

The 21cm signature of the First Stars

The 21cm signature of the First Stars. Xuelei Chen ??? National Astronomical Observatory of China. KIAS workshop on cosmology and structure formation , Seoul, Korea, Sept 20, 2006. z ~ 1000. z ~ 30. z ~ 6. z ~ 0. The Cosmic History. ?. small perturbations. gravity.

507 views • 36 slides

The Dark Age and Cosmology

The Dark Age and Cosmology. Xuelei Chen ( ??? ) National Astronomical Observarories of China. The 2nd Sino-French Workshop on the Dark Universe, Aug 31st 2006, Beijing. z ~ 1000. z ~ 30. z ~ 6. z ~ 0. The Cosmic History. small perturbations. gravity. collapse to form dark halos.

492 views • 31 slides

The Nature of High Equivalent-Width Lyman- ? Galaxies

The Nature of High Equivalent-Width Lyman- ? Galaxies. Steven Finkelstein, James Rhoads, Sangeeta Malhotra (ASU), Norbert Pirzkal (STScI) & Junxian Wang (USTC). Outline. Why do we study Lyman Alpha Emitters (LAEs) ? Intro to LALA survey MMT/Megacam data acquisition/reduction Results

402 views • 27 slides

The formation of galactic disks

An overview of Mo Mao & White 1998 MNRAS 295 319. The formation of galactic disks. Introduction. Disk formation in hierarchical cosmogonies Two component theory: dark matter + gas (White & Rees 1978)

362 views • 25 slides

Detecting the first light

362 views • 22 slides

The connection between Lyman-alpha absorption in low-redshift quasars and intervening galaxies

The connection between Lyman-alpha absorption in low-redshift quasars and intervening galaxies. Johen Liske. Tutor:. Alizera Aghaee, Begona Ascaso Angles, Ryan Houghton, Yuri Bialetski. What are quasars ?. The first quasar (3C273) was discovered in 1963

325 views • 19 slides

LYRA on-board PROBA2

LYRA on-board PROBA2. in-orbit operations and achievements. M. Dominique, J.-F. Hochedez et al. PROBA2 Workshop ESTEC, 2010/06/22. Routine activities. Nominal acquisition: Unit2 Integration time = 50 ms Calibration Dark current LED signal Back-up acquisition

307 views • 18 slides

Yuichi Matsuda (Tohoku Univ. / NAO Japan) collaborators Toru Yamada (NAO Japan)

Lyman alpha blobs in a Large-Scale Structure at z=3.1. Yuichi Matsuda (Tohoku Univ. / NAO Japan) collaborators Toru Yamada (NAO Japan) Tomoki Hayashino (Tohoku Univ.) et al. Y. Matsuda et al., AJ, 2004, in press

413 views • 17 slides

Imaging the solar atmosphere Options for imaging the transition region

229 views • 13 slides

SA21A-0226

SA21A-0226 Solar Cycle Variability of O 2 and H 2 O Photodissociation Rates Calculated Using TIMED/SEE and UARS/SOLSTICE Observations: Intercomparison and Implications William H. Swartz, 1 Jeng-Hwa Yee, 1 and Thomas N. Woods 2

234 views • 9 slides