2-3 October 2017

Hi-5 kickoff meeting

Hi-5 is the name of a new instrumental project for the Very Large Telescope Interferometer (VLTI). The main objectives of Hi-5 are to study at high-contrast and high-angular resolution nearby planetary systems (forming exoplanets and exozodiacal disks) and bright extragalactic objects (AGNs) in the L and M bands (3 to 5 microns). The possibility to do high-contrast interferometric observations in the L and M bands with the VLTI has recently emerged due to developments in integrated optics, an essential component of current VLTI instruments operating at shorter wavelengths (such as PIONIER and GRAVITY). The goal of the kickoff meeting will be to officially start the Hi-5 project and to plan upcoming activities and collaborations in order to bring the instrument at the VLTI on relatively short timescales . The meeting will take place at the University of Liège (downtown) on October 2 and 3 2017 (more info here ). If you want to participate in this meeting, please contact us .

Preliminary Program

  • DAY 1

    10:00 -- Introduction (D. Defrère)

    10:30 -- VLTI status, fundings, and future post 2nd-generation instruments (A. Mérand)

    11:00 -- MATISSE status and expected precision (A. Matter)

    11:30 -- PIONIER heritage and lessons learned (J.P. Berger)

    12:00 -- KIN/PFN/LBTI heritage and lessons learned (E. Serabyn)

    12:30 -- Lunch break

    14:00 -- Exozodiacal disks (S. Ertel)

    14:30 -- Forming exoplanets and YSOs (S. Kraus)

    15:00 -- Extragalactic astronomy at high-precision (K. Tristram)

    15:30 -- Break

    16:00 -- Detection limits with PIONIER and GRAVITY (A. Gallenne)

    16:20 -- PFI status and possible synergies (J. Monnier)

    16:40 -- FKSI (W. Danchi)

    17:00 -- Discussions (instrumental requirements, synergies with LBTI, MATISSE, PFI, ELTS, ..)

    18:00 -- Adjourn

    19:30 -- Dinner downtown (location TBD)

  • DAY 2

    09:00 -- Activities and plans in Cologne (L. Labadie)

    09:30 -- Activities and plans in Jena/Postdam (S. Minardi)

    10:00 -- Activities and plans in Grenoble (G. Martin)

    10:30 -- Break

    11:00 -- Activities and plans in Sydney/Canberra (M. Ireland)

    11:30 -- Activities and plans in Paris (TBD)

    12:00 -- Discussions

    12:30 -- Lunch break

    14:00 -- Fringe tracking with GRAVITY (TBD)

    14:30 -- Photonic nulling interferometry and experience with Dragonfly/GLINT (B. Norris)

    15:00 -- Detectors, beam combination strategies, and data reduction (D. Defrère)

    15:30 -- Break

    16:00 -- Hi-5 planning, conclusions and action items

    17:30 -- Adjourn

Participant list

  • O. Absil (University of Liège)

    P. Bendjoya (University of Nice)

    J.P. Berger (Planetology and Astrophysics Institute of Grenoble)

    W. Danchi (NASA Goddard Space Flight center)

    D. Defrère (University of Liège)

    S. Ertel (University of Arizona)

    A. Gallenne (European Southern Observatory)

    F. Gonté (European Southern Observatory)

    M. Ireland (Australian National University)

    S. Kraus (University of Exeter)

    L. Labadie (University of Cologne)

    G. Martin (Planetology and Astrophysics Institute of Grenoble)

    A. Matter (Nice Observatory)

    A. Mérand (European Southern Observatory)

    S. Minardi (University of Postdam)

    J. Monnier (University of Michigan)

    D. Mourard (Nice Observatory)

    B. Norris (University of Sydney)

    J.-U. Pott (Max Planck Institute for Astronomy)

    E. Serabyn (NASA Jet Propulsion Laboratory)

    J. Surdej (University of Liège)

    K. Tristram (European Southern Observatory)

    J. Woillez (European Southern Observatory)


The Hi-5 meeting will take place at the downtown campus of the University of Liège (see address and map below).

To reach the meeting by plane , there are several options (connections, flight frequency and fares will vary according to your departure city):

  • Brussels Airport (largest and best connected airport of Belgium, train station inside the airport)
  • Charleroi/Brussels South Airport (many low-cost options)
  • Liège Airport (the closest airport, but limited number of destinations)
  • Maastricht Airport (located in the Netherlands, but not so far from Liège)

Once arrived at one of these airports, the easiest way to reach Liège by train is to arrive first at the Liège-Guillemins station, that is well connected to many Belgian, Dutch, German, French and British cities. From there, you may either continue your trip by train (5 min.) to the Liège-Palais train station (in which case you should have bought a train ticket with that final destination) or take a taxi or public bus from the Liège-Guillemins station and go to your hotel or to the meeting place (Liège University, Place du XX Août 7, downtown).

Accommodation Here are some suggestions for hotels located near the meeting and the Liège-Palais train station:

Address and contact
  • University of Liège, Room "Horloge" (2nd floor)

    Place du 20-Août 7-9 4000 LIEGE

  • ddefrere@ulg.ac.be

  • (+32) (0)43669758