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Early Galactic Nucleosynthesis: The Impact of HST/STIS Spectra of Metal-Poor Stars Chris Sneden University of Texas A Very Collaborative Effort Definitions: [A/B] = log10(NA/NB)star…
Signatures of Peculiar Supernova Nucleosynthesis in Extremely α-enhanced Stars We have performed a spectroscopic study on several extremely alpha-enhanced stars having FeH…
Early Galactic Nucleosynthesis: The Impact of HST/STIS Spectra of Metal-Poor Stars Chris Sneden University of Texas A Very Collaborative Effort Definitions: [A/B] = log10(NA/NB)star…
Stellar evolution and nucleosynthesis in helium- enriched stars Amanda Karakas With Anna F. Marino & David M. Nataf, Luke Shingles, Carolyn Doherty, & John Lattanzio…
σσσσ(E) = S(E) e–2πηπηπηπη E-1 2πη = 31.29 Ζπη = 31.29 Ζπη = 31.29 Ζπη = 31.29 Ζ1111ΖΖΖΖ2222 √√√√µ/Εµ/Εµ/Εµ/Ε µ = µ = µ =…
Lecture 9 Hydrogen Burning Nucleosynthesis, Classical Novae, and X-Ray Bursts red = slow , , , ( ) ( )I I j jk L k kj j k k j L L k I j dY Y Y I Y Y L dt ρ λ ρ λ ∍…
KSCSTE-NATIONAL TRANSPORTATION PLANNING AND RESEARCH CENTRE Volume VI Issue 3 July- September 2016 KSCSTE-NATPAC NEWSLETTER ON ROAD SAFETY ds l lh l Vh b jkVªh ifjogu kstuk…
Bland-Hawthorn First stars Bland-Hawthorn Bland-Hawthorn When did the first star form? Maybe as early as z~65? But certainly by z~20-30 5σ 1σ 4σ ???? Bland-Hawthorn Bland-Hawthorn…
ΕΤΗΣΙΑ ΕΚΔΟΣΗ • ΔΙΑΝΕΜΕΤΑΙ ΔΩΡΕΑΝ • FREE COPY • ΚΑΛΟΚΑΙΡΙ 2011 • SUMMER 2011 1GOLDENSTARS 2 GOLDENSTARS Ετήσια Έκδοση…
Stars Part One: Brightness and Distance Concept -1 – Temperature λmax (metres) = 2.90 x 10-3 m k T (Kelvin) λmax = Peak black body wavelength T = The star’s surface…
ΕΤΗΣΙΑ ΕΚΔΟΣΗ • ΔΙΑΝΕΜΕΤΑΙ ΔΩΡΕΑΝ • FREE COPY • ΚΑΛΟΚΑΙΡΙ 2012 • SUMMER 2012 ΑΝΔΡΟΣ / ANDROS 1GOLDENSTARS ΑΝΔΡΟΣ…
c© S w inburne U niversity ofTechnology,2010 HET611-M17A01: Pulsating Stars: Stars that Breathe PAGE 1 OF 39 Pulsating Stars: Stars that Breathe Credit: Dr. Wendy L. Freedman,…
PowerPoint Presentation Nano Encapsulated Transforming Growth Factor-β (TGF-β) Possibly Attenuates NF-κB Activation Pathway in Pulmonary Hypertension Leandro Fernandez,…
PART IV: STARS � I Section 10 The Equations of Stellar structure 10.1 Hydrostatic Equilibrium Pd+P d r dA r P Consider a volume element, density ρ, thickness dr and area…
Components of Galaxies – Stars What Properties of Stars are Important for Understanding Galaxies? • Temperature – Determines the λ range over which the radiation is…
ΕΤΗΣΙΑ ΕΚΔΟΣΗ • ΔΙΑΝΕΜΕΤΑΙ ΔΩΡΕΑΝ • FREE COPY • ΚΑΛΟΚΑΙΡΙ 2011 • SUMMER 2011 1GOLDENSTARS 2 GOLDENSTARS Ετήσια Έκδοση…
ΔΙΠΛΟΙ ΑΣΤΕΡΕΣ (BINARY STARS) 2 αστέρες που περιστρέφονται ο ένας γύρω από τον άλλο λόγω βαρυτικής αλληλεπίδρασης…
Neutron-Capture Elements in the Metal-Poor Globular Cluster M15 Globular cluster M15 (NOAO/AURA/NSF) Subaru Telescope Atomic Number lo g ε 60 70 80 90 -2 -1.5 -1 -.5 0 .5…
1. How do they know what stars are made of? Waves Spectrography Planet X The Earth 2. Waves • Wavelength(λ): distance between consecutive crests • Frequency (f): number…
Άλμπουμ φωτογραφιών ΕΙΚΑΣΤΙΚΑ 14ο ΔΗΜΟΤΙΚΟ ΣΧΟΛΕΙΟ ΑΧΑΡΝΩΝ ΥΠΕΥΘΥΝΗ ΕΚΠΑΙΔΕΥΤΙΚΟΣ ΜΑΡΙΑ ΚΑΡΑΝΤΟΥΜΑΝΗ…