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Science and technology roadmap for μas studies of the Milky Way

Lund : 18-20 Jul 2023

Lund Observatory is now happy to invite scientists to the MW-Gaia 2023 meeting.

This workshop that will be held in Lund, Sweden, on the 18th and 20th of July 2023. This workshop will present the Action's science roadmap/case for sub-μas astrometry in delivering the next advances in our understanding of the Milky Way. The Action will influence the future development of Astrometry in Europe. The White Paper to be developed through WG5, will define a science and technical roadmap for the development of next generation astrometry missions. This will be of significant use for exploitation by the European community when responding to opportunities in proposing future space missions, e.g. ESA calls. This workshop will involve scientists with interests in next generation Astrometry

The main meeting will begin at 13:00 on the 18th July and will be finished by 17:00 on the 19th July

We will hold a GaiaNIR brain storming meeting after the main meeting on the 20th July starting at 09:00 and finishing by 13:00.

While we encourage people to attend the meeting in person it will also  be hybrid and a meeting link will be provided here:

The Pillars of Creation in the Eagle Nebula comparing visible and NIR. Image NASA.
The Pillars of Creation in the Eagle Nebula comparing visible and NIR. Image NASA.

If you wish to attend the meeting please register before midnight June 20th at the very latest.

There is no charge to attend the meeting but lunch and dinner are not included.

The meeting is being held physically at Lund Observatory.

Program (confirmed speakers)

July 18

13:00-14:30 Session 1: Next generation astrometry in the context of Voyage 2050 

  • David Hobbs, Lund Observatory: The GaiaNIR Mission
  • Daisuke Kawata: The JASMINE Mission
  • Fabian Malbet: The Theia Mission
  • Erik Høg: A brief review of 70 years with astrometry. From meridian circles to Gaia and beyond

15:00-17:00 Session 2: WG1: The Milky Way as a Galaxy: key issues for GaiaNIR 

  • Cristina Chiappini, AIP Potsdam:
  • Mercè Romero & Teresa Antoja, ICC Barcelona:
  • Alis Deason, Durham (Online):
  • Else Starkenburg, Groningen:
  • Paul McMillan, Lund Observatory: The dynamics of the Milky Way disc and bar/bulge: What do we know, what do we want to know?

19:30 Casual Meet Up in Lund

July 19

09:00-10.30 Session 3: WG2: The Life and Death of Stars: key issues for GaiaNIR

  • Tatiana Muraveva, INAF-OAS Bologna:
  • Tristan Cantat, MPI Heidelberg:
  • Paola Marigo, Padova:

11:00-12.30 Session 4: WG3: Planetary Systems Near and Far: key issues for GaiaNIR

  • Paolo Tanga, Observatoire de la Côte d'Azur: The Solar System at mas and μas accuracy
  • Alessandro Sozzetti, INAF-OATo Torino:
  • René Heller, MPI Göttingen (Online) :
  • Daniel Hestroffer, Paris Observatory:

13:00-14:30 Session 5: WG5: Impact, Inclusiveness and Outreach: building the GaiaNIR community inclusively 

  • Stefan Jordan, ARI Heidelberg:
  • Luis Aguilar, IOA, Mexico:
  • Tineke Roegiers, ESA:

15:00-17:00 Session 6: WG4: Gaia Fundamentals: Space and Time: key issues for GaiaNIR

  • Sergei Klioner, Lohrmann Observatory: Developments of relativistic aspects of Gaia for next generation astrometry
  • Robin Geyer, Lohrmann Observatory: Influence and detection of gravitational waves in Gaia-like astrometry

17:00 Mingle in foyer with glass of wine

    19:30 Dinner in Lund

    July 20

    09:00-10:30 Session 7: Technical challenges 

    • Guy Rixon, IOA Cambridge, NIR Detector options
    • Josep Manel Carrasco, ICC Barcelona: Photometric Systems
    • Wolfgang Loeffler, ARI Heidelberg: Mathematical and software challenges
    • David Hobbs, Lund Observatory: End of mission accuracy and a modified scanning laws?

    11:00-12:30 Session 8: GaiaNIR  discussion, challenges, and next steps. 

    • All: How does GaiaNIR rank in national funding programs
    • All : Suggestions for a new consortium?
    • All: Open discussion on who needs to do what first.
    • All: Letters of Intent for the new consortium.


    The participants list can be found here.


    Nicholas WALTON

    Carme JORDI

    Brown ANTHONY


    Gisella CLEMENTINI

    Joris DE RIDDER

    Sonia ANTON

    Sarunas MIKOLAITIS

    David HOBBS


    David HOBBS


    Local Information


    You will need to arrange your own accommodation for the meeting. The meeting will be held in the north east of Lund at the Observatory which is a 15-20 minute walk from the centre.

    Map of Lund

    We recommend the two following local hotels:
    Hotel Lundia: roughly a 20 minute walk from the Observatory.
    Address: Knut Den Stores Torg 2, Lund
    Tel. +46 46 280 65 00

    Hotel Planetstaden: about a 25 minute walk from the Observatory. 
    Address: Dalbyvägen 38, Lund
    Phone: +46 46 280 01 00
    Google maps show a larger number of hotels near the centre.

    We encourage you to make your reservation at a hotel as soon as possible as they are often booked out!


    Lund Central Station, or Lund C is the main railway station of Lund, Sweden. It is located on the Southern Main Line and the West Coast Line.

    From the train station bus number 7 stops outside the the front (south side) of the observatory at the BMC stop.

    Also from the train station tram line stops outside the back (north side) of the observatory at the LTH stop.

    More information can be found here.