The Institut d'Astrophysique Spatiale (IAS) is a laboratory of the University of Paris-Saclay located in Orsay, France. The IAS hosts 140 scientists, engineers, technicians, administrators, and graduate students working in astronomy, from Solar physics to Cosmology.
You can find more information on the lab's website.
The Orsay campus is conveniently connected to Paris, its two international airports (Charles de Gaulle and Orly), and two of its major train stations (Gare du Nord and Massy TGV) through the RER B suburban train.
The Orsay campus can be reached from Châtelet (centre of Paris) in 45 minutes.
GETTING ON THE PARIS RER-B LINE
By air
Charles de Gaulle airport. Connected to RER-B line
Orly airport. Take the Orlyval light rail line to Antony (on the RER B line).
By train
Gare du Nord (Eurostar). Connected to RER-B line.
Gare de l'Est, Gare Saint-Lazare, Gare Montparnasse, Gare d'Austerlitz. Take the subway to reach the RER B line. See RATP.
Massy TGV train station. Connected to the RER B line.
By subway
In the city centre, the RER is interconnected with the subway system (look here if you dare !). The two systems can be combined with a single ticket.
We encourage all participants to limit the carbon footprint of their journey to the workshop by favouring the train.
REACHING THE INSTITUT D'ASTROPHYSIQUE SPATIALE
Once on the RER-B, take a train that terminates at Saint-Rémy-lès-Chevreuse. Check the electronic boards on the RER plateform.
Get off at Orsay-ville station.
Walk to IAS (5 min walk, see map).
Many hotels are available both in Orsay, in Paris and on the Plateau de Saclay. Please get in touch if you need specific recommandations.
Lunches on Monday, Tuesday, Wednesday, and Thursday, as well as the dinner on Wednesday 29 (conference dinner in Paris) will be provided.
Note that all the food will be vegetarian.