'5 mas' presentation slideshows

Multi-wavelength interferometry of evolved stars

Multi-wavelength interferometry of evolved stars. Markus Wittkowski (ESO) Main collaborators: VLTI/VLBA project: David A. Boboltz (USNO), Thomas Driebe, Keiichi Ohnaka (MPIfR) Stellar atmospheres: Jason Aufdenberg (NOAO), Christian Hummel (ESO),

353 views • 24 slides

CHARACTERIZATION OF EXOPLANET HOST STARS

CHARACTERIZATION OF EXOPLANET HOST STARS. ROXANNE LIGI, D. MOURARD, K. PERRAUT, A.-M. LAGRANGE PHD. STUDENT AT LABORATOIRE LAGRANGE, UNS/CNRS/OCA UNDER THE SUPERVISION OF DENIS MOURARD. AND IMPACT OF PERTURBATING ELEMENTS. OUTLINE. Previous results from observations with VEGA/CHARA

306 views • 20 slides

356 views • 18 slides

Transmutation of Minor Actinides in Fast Reactors (LFR and SFR)

Transmutation of Minor Actinides in Fast Reactors (LFR and SFR). Kamil Tucek, Johan Carlsson, Dragan Vidovic and Hartmut Wider European Commission, Joint Research Center / Institute for Energy, The Netherlands.

485 views • 18 slides

RELATIVE ASTROMETRY AND PHASE REFERENCING

RELATIVE ASTROMETRY AND PHASE REFERENCING. Ed Fomalont National Radio Astronomy Observatory Charlottesville, VA USA. OUTLINE. 1. Group Delays and Phase Delays Comparison and Accuracies VLBA Relative Astrometry with Phase Delay

332 views • 18 slides

NIRSpec Operations Concept

NIRSpec Operations Concept. Michael Regan(STScI), Jeff Valenti (STScI) Wolfram Freduling(ECF), Harald Kuntschner(ECF), Robert Fosbury (ECF). Micro-Shutter Array. Grating/Prism/Mirror Wheel. Detector Array. Filter Wheel. Pick-off Optics. Fore-optics. Collimator. Camera.

375 views • 17 slides

PROGRESS TOWARD A VLBA MOVIE OF THE JET COLLIMATION REGION IN M87

PROGRESS TOWARD A VLBA MOVIE OF THE JET COLLIMATION REGION IN M87. Collaborators: Chun Ly (UCLA - was NRAO summer student) William Junor (LANL), Philip Hardee (U. Alabama). R. Craig Walker NRAO. Why Study the Jet Base in M87. Best case for a study of a jet near a black hole

256 views • 12 slides

Roeland van der Marel Jay Anderson, Colin Cox, Vera Kozhurina-Platais, Matt Lallo, Ed Nelan

Towards Creation of a JWST Astrometric Reference Field: Calibration of HST/ACS Absolute Scale and Rotation. Roeland van der Marel Jay Anderson, Colin Cox, Vera Kozhurina-Platais, Matt Lallo, Ed Nelan. Astrometric Calibration. 2 Translations (x, y) JWST: Guide stars + Target acquisitions

215 views • 12 slides

WHY DOES THE IGS CARE ABOUT EOPs?

Summary of core products of the International GNSS Service (IGS) Ultra-Rapid (real-time), Rapid, & Final series outputs: orbits, polar motion/LOD, clocks, & station positions Ultra-Rapid products very widely used for many demanding real-time applications

198 views • 12 slides

The potential of the VLTI for studying novae

218 views • 10 slides

LLR data

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ICRF source instability (quasar 2145+067, right ascension)

ICRF source instability (quasar 2145+067, right ascension). Defining unstable # 1-2. Instability ~1.5 mas ( ~5 cm ). Geoscience Australia. 19 September 2005. ICRF source instability - effect in nutation ( quasar 2145+067). Geoscience Australia. 19 September 2005.

90 views • 2 slides