'Vlba' diaporamas de présentation

Polarization in Interferometry Greg Taylor

Polarization in Interferometry Greg Taylor. What is polarized light? What fun science can be done with polarimetry? How do interferometers measure polarization? How do you calibrate and image in full polarization?. What is Polarized Light?.

605 views • 41 slides

Direct imaging of a super massive black hole, SgrA* M.Miyoshi, Pepe Ishitsuka, S. Kameno (NAOJ),

"Stellar-Mass, Intermediate-Mass, and Supermassive Black Holes" Kyoto International Community House, Kyoto, Japan October 28 - 31, 2003. Direct imaging of a super massive black hole, SgrA* M.Miyoshi, Pepe Ishitsuka, S. Kameno (NAOJ), Z. Shen (Shanghai Astronomical Obs.) ? S. Horiuchi (SKA)

581 views • 40 slides

New VLBA capabilities with DiFX

New VLBA capabilities with DiFX. Wide-field imaging, multi-field imaging and more. Adam Deller. NRAO / UC Berkeley. Outline. The DiFX software correlator and its usage with the VLBA New capabilities offered by DiFX compared to the VLBA hardware correlator: Broad compatibility

327 views • 19 slides

Answers from the Working Group on AGN and jets

Answers from the Working Group on AGN and jets. G. Moellenbrock, J. Romney, H. Schmitt, V. Altunin, J. Anderson, K. Kellermann, D. Jones, J. Machalski, G. Taylor, J. Ulvestad, C. Walker, J. Wrobel and J-H. Zhao. I. The New Mexico Array (A+ Configuration) A. What are the key science drivers?.

289 views • 19 slides

Probing Jets and Disk Winds Toward Low-Mass Stars

Probing Jets and Disk Winds Toward Low-Mass Stars. Mark Claussen June 10, 2003 VLBA Tenth Anniversary. Collaborators. Al Wootten, Kevin Marvel, Bruce Wilking, Ray Furuya Crystal Brogan Luca Moscadelli, Leonardo Testi. June 10, 2003 VLBA 10th.

269 views • 17 slides

VLBA Parallaxes Across the Milky Way and the Distance to NGC 4258

354 views • 17 slides

VLBA Operational Status

VLBA Operational Status. Ongoing and Possible Future Upgrades. Walter Brisken. NRAO, Socorro. Current capabilities of the VLBA. 45 baselines from 10 identical 25m antennas Peak / sustainable record rate is 512 Mbps 64 MHz/polarization with 2-bit samples

306 views • 16 slides

Using the VLBA for Spacecraft Navigation

280 views • 16 slides

FUTURE DIRECTIONS ON THE VLBA

FUTURE DIRECTIONS ON THE VLBA. Craig Walker National Radio Astonomy Observatory. IVS General Meeting Ottawa, Feb 2004. OUTLINE. Mark5 High frequency upgrades Spacecraft tracking Ka band receiver EVLA Receivers LO/IF (bandwidth, fibers etc) Correlator New Mexico Array

242 views • 13 slides

VLBA Key Science: Making It Happen

VLBA Key Science: Making It Happen. Bob Dickman. AD for New Mexico Operations. Partnerships & Evolution of VLBA Operating Models. NSF Senior Review recommended that: NRAO seek external funding for VLBA operations

75 views • 7 slides

Active Galaxies at Milliarcsecond Resolution in the NOAO Deep Wide-Field Survey

Active Galaxies at Milliarcsecond Resolution in the NOAO Deep Wide-Field Survey. J.M. Wrobel, T.A. Rector, G.B. Taylor, S.T. Myers (NRAO) C.D. Fassnacht (UC Davis).

90 views • 1 slides