'Radio source' diaporamas de présentation

Active Galaxies, Shocks and High Energy Particles

724 views • 61 slides

GH2005 Gas Dynamics in Clusters II

GH2005 Gas Dynamics in Clusters II. Craig Sarazin Dept. of Astronomy University of Virginia. Cluster Merger Simulation. A85 Chandra (X-ray). De-Projected Gas Profiles. De-project X-ray surface brightness profile ? gas density vs. radius, r (r)

657 views • 54 slides

SUMSS: The Sydney University Molonglo Sky Survey, 1997-2005

SUMSS: The Sydney University Molonglo Sky Survey, 1997-2005. Richard Hunstead Carole Jackson Sebastian Juraszek Michael Large Tom Mauch Tara Murphy Bruce McAdam Vincent McIntyre Barbara Piestrzynska Gordon Robertson Elaine Sadler Tony Turtle George Warr. Molonglo:

547 views • 40 slides

Starbursts and the triggering of the activity in low redshift radio galaxies

Starbursts and the triggering of the activity in low redshift radio galaxies. Clive Tadhunter University of Sheffield. Collaborators: J. Holt, D. Dicken, C. Ramos Almeida, R. Gonzalez Delgado, R. Morganti, J. Rodriguez-Zaurin, K. Inskip, K. Wills. Triggering mechanisms.

461 views • 37 slides

389 views • 28 slides

Antennas in Radio Astronomy

Antennas in Radio Astronomy. Peter Napier. Outline. Interferometer block diagram Antenna fundamentals Types of antennas Antenna performance parameters Receivers. Radio Source. Radio Telescope Block Diagram. Receiver. Antenna. Frequency Conversion. Signal Processing. Signal

579 views • 25 slides

Elizabeth Blanton University of Virginia

Chandra Observations of Radio Sources in Clusters: Impact on the ICM and Tracers of High-z Systems. Elizabeth Blanton University of Virginia. Collaborators: C. L. Sarazin, B. R. McNamara, N. Soker, M. W. Wise, T. E. Clarke, D. J. Helfand, M. D. Gregg, R. H. Becker, R. L. White.

383 views • 24 slides

Antennas in Radio Astronomy Peter Napier

Antennas in Radio Astronomy Peter Napier. Interferometer block diagram Antenna fundamentals Types of antennas Antenna performance parameters Receivers. eg. VLA observing at 4.8 GHz (C band). Interferometer Block Diagram. Antenna. Front End. IF. Back End. Correlator.

402 views • 23 slides

Nebulas, Stars, Pulsars, and Quasars

Nebulas, Stars, Pulsars, and Quasars. By: C'arah Aiken Michaela Martinez & Breanna Dawson. Nebulas. Nebulas are made up of gas left behind by stars forming or exploding There are different classes of Nebulas

492 views • 22 slides

Securing a Wireless Network

Securing a Wireless Network. Securing a Wireless Network. Wireless networks are rapidly becoming pervasive. How many of you have web-enabled cell phones? How many of you have networked PDAs and Pocket PCs? How many of you have laptops with wireless network cards?

442 views • 21 slides

Gas outflows in radio galaxies

Gas outflows in radio galaxies. Raffaella Morganti (ASTRON) and Tom Oosterloo (ASTRON) Bjorn Emonts (Kapteyn Inst., Groningen) Clive Tadhunter, Joanna Holt (Sheffield Univ.). Why should we expect gas outflows in radio galaxies?. Starburst winds.

349 views • 20 slides

The Radio/X-ray Interaction in Abell 2029

The Radio/X-ray Interaction in Abell 2029. Tracy Clarke (Univ. of Virginia) Collaborators: Craig Sarazin (UVa), Elizabeth Blanton (UVa). 0.78 Mpc. Big Fuzzy Halo. z = 0.0767, 1.44 kpc/ " second generation DSS red image cD halo to r > 600 kpc (Uson et al. 1991)

302 views • 17 slides

501 views • 16 slides

M.Nechaeva, nech@nirfi.sci-nnov.ru Radiophysical Research Institute, Nizhni Novgorod, Russia

Radio interferometer signal at raying of the solar wind plasma by cosmic source radio emission. M.Nechaeva, nech@nirfi.sci-nnov.ru Radiophysical Research Institute, Nizhni Novgorod, Russia.

273 views • 13 slides

Exploring the Transient Universe with the Long Wavelength Array (LWA: lwa.nrl.navy.mil )

228 views • 12 slides

RADIO TAY

227 views • 10 slides

SWG-17

175 views • 7 slides

Which of the following statements is FALSE ?

337 views • 6 slides

high voltage

screen. cathode. glow. _. +. anode. high voltage. _. +. deflection plates V. X. anode. cathode. heater element. d. Z. _. 6 Vac. +. I. Y. accelerating voltage V A. coils to produce B field into page. electrodes for voltage to accelerate electrons.

203 views • 4 slides

Where was the Seneca Observatory?

The Mills Cross Array.

117 views • 1 slides