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Basics about stars – 1 – Stars - some facts Definition : A celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior. •…
Gravitational collapse of gas cs = γ P ρ = γ nkT ρ = γ kT m • Assume a gas cloud of mass M and diameter D • Sound speed for ideal gas is tsound = D cs == D…
Part IV: Numerical schemes for the phase-filed model Jie Shen Department of Mathematics Purdue University IMS, Singapore July 29-30, 2009 1 The complete set of governing…
Analysis of β2AR-Gs and β2AR-Gi complex formation by NMR spectroscopy Xiuyan Maa Yunfei Hubc Hossein Batebid Jie Henga Jun Xua Xiangyu Liuae Xiaogang Niub Hongwei…
Measurements of φ3 at Belle Kentaro Negishi Tohoku Univ on behalf of the Belle collaboraon EPS-‐HEP 2013 @ Stockholm 1 18 Jul…
ar X iv :1 70 4 00 41 8v 1 as tr o- ph S R 3 A pr 2 01 7 Mon Not R Astron Soc 000 1– 2017 Printed 13 March 2018 MN LATEX style file v22 The HST Large Program on ωCentauri…
John Archibald Wheeler American 1911 Q: What is a black hole A: An object contained within its own event horizon Q: What 3 measurable properties do black holes have A:…
Sep 08 2017 @ Catania xtfu@oaboinafit New PARSEC database Xiaoting FU of α-enhanced stellar tracks and isochrones Alessandro Bressan Paola Marigo Léo Girardi Josefina Montalbán…
Slide 1May 19, 2010 15/19/2010 CC2YSO 2010 accretion in disks Previous large 3D simulations – effective α found to be resolution dependent Imposing a physical
Measuring stellar masses We measure mass using gravity Direct mass measurements are possible only for stars in binary star systems P = orbital period a = orbital semimajor…
31! Exponential Disks ! • Motivated by the exponential surface brightness profiles of disks examine a potential that is generated by such a distribution B+T 2162! …
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Slide 1 Starbursts from z~3 to 7-10 Starbursts from z~3 to 7-10 Daniel Schaerer (Geneva Observatory, OMP Toulouse) Stellar populations: ages, star formation histories, masses,…
Slide 1 1 Influence of the Convective Flux Perturbation on the Stellar Oscillations: δ Scuti and γ Doradus cases A. Grigahcène, M-A. Dupret, R. Garrido, M. Gabriel and…
CENTRADEPARTAMENTO DE FÍSICA ANA BRITO [email protected] ILÍDIO LOPES [email protected] Asteroseismology These variations in brightness of the…
Stellar Interiors – Nuclear Energy ASTR 2120 Sarazin Fusion – the Key to the Stars Fusion Reactions log T K Sun lo g ε e rg s g m 7 75 0 8 -2 2 4 6 pp CNO 3α C burning…
Introdução à Astronomia Prof. Antônio Kanaan Aula 8 – 21 maio 2007 vejam: http:outreach.atnf.csiro.aueducationseniorastrophysicsstellar evolution_mainsequence.html…
Exploring cosmic frontiers, Berlin May 2004 The high redshift Universe and the formation and evolution of galaxies Simon Lilly SCUBA, MAMBO etc ISOCAM OpticalIR 100 ± 50…