From stars to black holes:
mm-VLBI with ALMA and other telescopes
Scientific Workshop – June 27- 28, 2012, ESO, Garching
In this workshop we wanted to assess the future of very long baseline interferometry (VLBI) experiments at millimeter and sub-millimeter wavelengths and the role new telescopes like the Atacama Large Millimetre Array (ALMA) will have. The unprecedented sensitivity, broad frequency coverage, and unique location of ALMA will have the potential to transform the science that can be done with mm-VLBI. With expected spatial resolutions as low as some microarcseconds at the highest frequencies and mJy sensitivities at the lower frequencies, quite a range of high-profile experiments should be possible. The science that can be addressed ranges from the precise astrometry and study of stellar masers down to observations of jets and the event horizon of supermassive black holes.
At this workshop we wanted to make an inventory of the science interests of the European user community of ALMA for VLBI experiments from wavelengths of 7 mm (for which receivers are yet to be built) all the way to sub-mm wavelengths. This should involve not only current VLBI users but also those who are just becoming interested in this rapidly evolving field.
The workshop is timely, as ALMA is quickly improving its capabilities, plans for phasing of the array are becoming more concrete, and digital VLBI equipment is also improving.
The main focus of the meeting was be on developing the European science case. However, in addition we also wanted to use the opportunity to start first discussions on the organization of the mm-VLBI efforts and review some of the technical capabilities available in Europe.
The workshop took place at the ESO headquarters in Garching, Karl-Schwarzschild-Str. 2, 85748 Garching (near Munich), Germany, in the ESO Auditorium.
The meeting went from lunchtime, June 27 to lunchtime, June 28, 2012. It was scheduled to start right after the ALMA community days. The program began with an afternoon of short invited and contributed science presentations from various groups. On the following morning, the meeting concluded with additional scientific and technical presentations and discussions on the development of a coherent science case and a technical roadmap. The discussions at the workshop will form the basis of a written European science case, intended for wider circulation within the ALMA and VLBI communities.
Registration has closed. Over 65 people registered for the workshop:
James Allison, James Anderson, Paola Andreani, Anne-Kathrin Baczko, Italo Balestra, Alain Baudry, Cardolle Bel, Tobias Beuchert, Stefano Bianchi, Andy Biggs, Wilfried Boland, Margherita Bonzini, Michael Bremer, Christiaan Brinkerink, Andreas Brunthaler, Chin-Shin Chang, Patrick Charlot, Francisco Colomer, John Conway, Colm Coughlan, David Cseh, Maria Diaz Trigo, Shep Doeleman, Frank Eisenhauer, Heino Falcke, Denise Gabuzda, Roberto Galvan-Madrid, Melanie Gendre, Stefan Gillessen, Gabriele Giovannin, Marcello Giroletti, Ciriaco Godd Thijs de Graauw, Kazuhiro Hada, Evanthia Hatziminaoglou, Richard Hills, Michiel Hogerheijde, David Hughes, Liz Humphreys, Violette Impellizzeri, Michael Kramer, Thomas Krichbaum, Robert Laing, Torsten Löhne, Vincenzo Mainieri, Ivan Marti-Vidal, Andrea Merloni, Stefanie Mühle, Cornelia Müller, Eoin Murphy, Tom Muxlow, Monica Orienti, Gabriele Ponti, Almudena Prieto, Jörg Rachen, Suzanna Randall, Anita Richards, Jerome Rodriguez, Eduardo Ros, Anthony Rushton, Sandra Savaglio, Robert Schulz, Gabriele Surcis, Leonardo Testi, Huib-Jan van Langevelde, David Wilman, Anton Zensus, Martin Zwaan
Robert Laing – European Southern Observatory (Co-chair)
Heino Falcke – Radboud University, Nijmegen, & ASTRON, The Netherlands (Co-chair)
Anton Zensus – Radionet, MPIfR Bonn, Germany
Leonardo Testi – European Southern Observatory
Michael Bremer – IRAM, France
Huib van Langevelde – JIVE, The Netherlands
Thomas Krichbaum – MPIfR Bonn, Germany
Alain Baudry – Univ. Bordeaux, France, & European ALMA Project Office, ESO