'Low metallicity' diaporamas de présentation

The Evolution of Galaxies: From the Local Group to the Epoch of Reionization

The Evolution of Galaxies: From the Local Group to the Epoch of Reionization. Fabian Walter National Radio Astronomy Observatory. Outline dwarf galaxies - building blocks? molecular gas - fuel for SF systems @ 0<z<5 systems in the EoR: z>6 outlook. History of the Universe.

550 views • 41 slides

Abundances in Presolar Grains, Stars and the Galaxy

Abundances in Presolar Grains, Stars and the Galaxy. Larry R. Nittler Department of Terrestrial Magnetism Carnegie Institution of Washington. or. Larry R. Nittler Department of Terrestrial Magnetism Carnegie Institution of Washington.

505 views • 39 slides

(movie by A. Pontzen, I of A, Cambridge)

The Quest for Low Metallicity DLA Systems Keck/ESI spectroscopy of SDSS Quasars Bryan E. Penprase (Pomona College) with Wal Sargent (Caltech), Jason X. Prochaska (UCSC) , and students Dan Beeler, and Irene Toro Martinez (Pomona College). (movie by A. Pontzen, I of A, Cambridge).

444 views • 35 slides

STELLAR BLACK HOLES AT THE DAWN OF THE UNIVERSE

465 views • 31 slides

Galactic Stellar Population Structure and kinematics

Galactic Stellar Population Structure and kinematics. Alessandro Spagna Osservatorio Astronomico di Torino 26 Febbraio 2002. Galactic Structure. Flat disk : 10 11 stars (Pop.I) ISM (gas, dust) 5% of the Galaxy mass, 90% of the visible light Active star formation since 10 Gyr.

497 views • 30 slides

411 views • 28 slides

Gamma-Ray Bursts

333 views • 23 slides

Exoplanet Transits with mini-SONG

322 views • 19 slides

222 views • 16 slides

253 views • 15 slides

High Resolution Spectroscopy of Stars with Planets

High Resolution Spectroscopy of Stars with Planets. CHEMICAL ABUNDANCE OF PLANET-HOST STAR. Won-Seok Kang Seoul National University 2010. 10. 6. Sang-Gak Lee, Seoul National University Kang-Min Kim, Korea Astronomy and Space science Institute. INTRODUCTION.

239 views • 15 slides

Low metallicity and ultra-luminous X-ray sources in the Cartwheel galaxy

Low metallicity and ultra-luminous X-ray sources in the Cartwheel galaxy. M. Mapelli, M. Colpi, L. Zampieri. Abstract. Low-metallicity massive stars: maybe directly collapsing into massive BHs In Cartwheel galaxy, >10 5 massive BHs generated via this mechanism probably.

287 views • 14 slides

First Unbiased Estimates of the Metallicity and Star-Formation Activity of Lyman Alpha Emitters

First Unbiased Estimates of the Metallicity and Star-Formation Activity of Lyman Alpha Emitters. Kimihiko Nakajima ( U. Tokyo ) - Co-Investigators - Masami Ouchi, Kazuhiro Shimasaku, Yoshiaki Ono (U. Tokyo) , J. Lee(Carnegie), C. Ly(STScI), D. Dale(U. Wyoming),

260 views • 13 slides

Supernovae as neutrino and gravitational wave sources

229 views • 13 slides

New Mechanisms for Beryllium Production in Early Core-Collapse Supernovae

New Mechanisms for Beryllium Production in Early Core-Collapse Supernovae. Projjwal Banerjee (UC Berkeley). with Y. -Z, Qian (UMN), W. Haxton (UCB & LBL) and A. Heger (Monash U.). Based on PRL 110, 141101 (2013). Evolution of Be and B. Prantzos.

169 views • 10 slides

New Mechanisms for Beryllium Production in Early Core-Collapse Supernovae

New Mechanisms for Beryllium Production in Early Core-Collapse Supernovae. Projjwal Banerjee (UC Berkeley). with Y. -Z, Qian (UMN), W. Haxton (UCB & LBL) and A. Heger (Monash U.). Based on PRL 110, 141101 (2013). Evolution of Be and B. Prantzos.

200 views • 10 slides

PI Total time #CoIs, team

Low-mass brown dwarf formation in the Magellanic Clouds: A population long gone into obscurity in our neighbourhood

179 views • 5 slides

Low-metallicity L and T Dwarfs

Low-metallicity L and T Dwarfs. J. Davy Kirkpatrick (IPAC/Caltech) Dagny L. Looper (IfA/UHawaii) Adam J. Burgasser (MIT) Travis R. Barman (Lowell Obs.). The 2MASS Proper Motion Survey.

128 views • 4 slides

Nucleosynthetic signatures of early stars in IGM and DLA absorption lines

Nucleosynthetic signatures of early stars in IGM and DLA absorption lines Bryan E. Penprase 1 , Wallace L. W. Sargent 2 , Jason X. Prochaska 3 , and C atherine Wilka 1. Abstract

126 views • 1 slides

Are Gamma-Ray Bursts good Star Formation Indicators?

Are Gamma-Ray Bursts good Star Formation Indicators?. Nial Tanvir University of Hertfordshire. Abstract

112 views • 1 slides