Maximum resolution of an instrument is proportional to ... image courtesy Crystal Brogan. Dodson, Legge et al, ApJ, 2003. Edward Fomalont & Sergei Kopeikin ...
What you get (resolution, FOV, sensitivity) Previous low frequency VLBI ... I'm not a low-frequency expert! This is (mainly) not VLBI in the current, ...
NA1 Management of I3 T. Charles Yun, JIVE. NA2 EVN-NREN Forum John Chevers, DANTE ... LSI 61.303, 256 Mbps, 26 Oct, Perez-Torres et al. Algol, 26 Oct/14 Dec, ...
Concept appears in other ITU documents, derived from RA.769 category of VLBI observations. ... Class is Limited (so far) ... to the 10 stations of NRAO's VLBA ...
VLBA polarimetry of ... Problems: 1. Hard ... Difficult to explain the extended regions of transverse B field and the transverse Faraday RM gradients in some ...
National Radio Astronomy Observatory. VLBA 10th Anniversary. 2003 June 9 12. 03/6/12 jdr ... Stardust was in far southern Ecliptic, at -22 degrees declination. ...
Wide range of frequency bands, 0.3-86 GHz, frequency agility ... Nearby, low-luminosity AGNs may be a GLAST 'sleeper' Mrk 421, 501. M87, N4151. Nearby GRBs? ...
IOTA and ISI observations by ... the Capella binary was made at IOTA with the. 3-telescope configuration, in ... Miras & 3 carbon stars at IOTA, ISI, & VLBA. ...
Traditionally, narrow fields for studying single compact ... http://sundog.stsci.edu/ Atacama Large Millimeter/submillimeter Array. Expanded Very Large Array ...
VLBA Observations of EGRET Blazars. Why were some strong radio quasars detected by EGRET while others like 3C345 were not? ... EGRET VLBA observations (1994-1997) ...
FX design may limit flexibility in handling BBs, and assignment of channels to ... be written in technology-independent fashion to target the 'latest and ...
Radio interferometry with elements (antennas) separated by hundreds ... flare stars (AD Leo) colliding winds (WR stars) SNe. GRBs. Maser emission from molecules ...
Radio interferometry with elements (antennas) separated ... parallax ok out to 10 kpc. 13. 14. 15. OH. H2O. SiO. 100 --- 10000 AU. 100s of AU. 16. Photosphere ...
Richard Schilizzi, Tony Beasley, Don Campbell, ... What can VLBI ... Chief Investigator: Michael Etheridge. Project Scientist: Kurt Lambeck / Paul Tregonning ...
NEXT SPACE VLBI MISSION, ASTRO-G (VSOP-2) AND ITS SPECTRUM MANAGEMENT ASTRO-G Project (JAXA) Y. Murata JAXA) HALCA and VSOP (1997-2005) VSOP with HALCA The first ...
... in stellar clusters / OB associations. True ages ... proper motion aligned within 5 degrees ... Possible origin in one of the Cygnus Superbubble OB associations ...
... Ci ncias Matem ticas, Universidade da Madeira, Caminho da Penteada, 9050 Funchal, ... technical problems at Univ. Madeira, data on 21 sources will ...
Continuing VLA and VLBA Observations of the SiO Masers in V838 Monocerotis ... star is not thought to be a late-type giant or supergiant, the spectrum of ...
8th EVN Symposium 2006. Exploring the ... Frustration scenario they are old (10^6 yr) and confined. ... GPS galaxies are young radio sources (or confined) ...
Goal: In situ determination of zonal wind speed along Huygens ... VLBA Brewster. DWE: No nodding on Titan continuously. 14:49:14. 09:30:09. VLBA Owens Valley ...
... lie in a ring of radius. r~22pc. Velocity field confirms ... Spectral index map using 1.3 Global VLBI and 5 GHz VLBA observations. free-free optical depth: ...
Title: Recent Advances in Astrometry with the VLBA Author: mark reid Last modified by: mark reid Created Date: 2/10/2005 1:54:39 PM Document presentation format
Radio Interferometry Jeff Kenney Outline of talk Differences between optical & radio interferometry Basics of radio interferometry Connected interferometers & VLBI ...
EVN MERLIN. G. VLBI. 302. 52. We have 36 Realizations. of a ... EVN MERLIN. EVN MERLIN. 33.0 x 28.7 mas. Simulation. 30 x 30 mas. Pihlstr m et al., 2001 ...
... radio map of the nearby star LS 5039 obtained with VLBA and VLA in ... No WR or Of massive stars in the field, no X-ray binaries or black hole candidates ...
... shell model with power-law evolution provides a good first-order description ... resolving a supernova is ~30 Mpc ( Virgo cluster), where 22 GHz global VLBI ...
Supernovae and Masers in Arp220: Pushing the limits of VLBI sensitivity. P.J.Diamond (JBO) ... Merger events 'caught in the act', but very heavily obscured ...
VLBA 0.1c (Biretta & Junor 1995; Junor & Biretta 1995) VSOP No motions (Dodson et al 2006) ... 2.5c (Biretta et al 1995) HST-1 Optical with HST (Biretta et al ...
... observation with the VLBA at 20 cm for 40 days (~1/4 of precession period) ... Flag by antenna (most problems are antenna based) Poor weather. Bad playback ...
History and Technical Development of VLBI = Very Long Baseline ... of a quasar at z=1.2. ... frame defined by the distant quasars and active galaxy nuclei. ...
The first array dedicated to VLBI astrometry. New technique : ... PL relation of Mira (Feast et al 1989) PL relation for AGBs (Wood 2000) High Energy Objects ...
... other AGN in June with the ATCA at high resolution (22 GHz) ... VLBI can provide high resolution images but unless careful only over small fields of view. ...
Rotation of observed plane of polarisation due to propagation of the radiation ... Multi wavelength VLBA polarisation observations used to study Faraday rotation ...
MOHAVE Survey (Monitoring Of Jets in Active galaxies with VLBA Experiments) ... BL-Lacs and Galaxies: app 6. many are not superluminal; differ from Q at 98 ...