November, 13th - 15th, 2017


University of Strasbourg
Strasbourg, France


55 participants

Alsatian Workshop on X-ray Polarimetry

Rational: 50 years after the pioneering experiments, X-ray spectroscopy and timing techniques can be considered as well established. Nonetheless, one prominent feature of X-ray light has not been explored as scrupulously as others: its polarization. Between 1980 and 2000, the instruments were not sensitive enough to go beyond the first X-ray polarimetric results acquired in the 70s but the development of new detection techniques in the early 2000s revived the field. The first X-ray mission to fly a new generation polarimeter will be launched by NASA in 2020; it is now necessary to prepare the ground and begin to refine the theories and simulations needed to exploit the observational results to come.

It is an explicit purpose of this workshop to gather in particular young researchers for two and a half days, to discuss the progress made in X-ray polarimetry, to identify what is still missing and to decide what must be undertaken by 2020. We specifically encourage PhD students and post-docs as well as expert speakers to join the workshop. We aim to facilitate new collaborations that will be ready to exploit the first X-ray polarimetry data to arrive.

Science Organizing Committee (SOC)

Henric Krawczynski, Washington Uni.

Experimental and theoretical astroparticle physics; Development of balloon-borne scattering X-ray polarimeter; General properties of radiation processes; General Relativistic ray tracing studies ...

Frédéric Marin, Astr. obs. of Strasbourg

Chair of the workshop. Monte Carlo polarized radiative transfer computations; Modeling of the innermost regions of quasars and quiescent galaxies (Milky Way); Unification scheme by orientation ...

Fabio Muleri, INAF/IAPS Italy

Development of gas pixel detectors for X-ray polarimetry; X-ray optics and instruments ...

Roberto Turolla, Padova Univ.

Accretion onto black holes and neutron stars; Radiation hydrodynamics and radiative transfer in hot plasmas; Old isolated neutron stars; Hot atmospheres around accreting neutron stars ...

Jacco Vink, Amsterdam Uni.

Cosmic rays acceleration by supernova remnant shocks; Supernova remnants; Isolated neutron stars; Magnetars, Pulsar wind nebulae; Clusters of galaxies; AGN ...

Valentina Zharkova, Northumbria Uni.

Solutions of non-linear partial differential equations (PDEs); Solutions of systems of non-linear PDEs; Magnetic Topology during magnetic reconnection, Artificial Intelligence Methods ...

Local Organizing Committee (LOC)

Heddy Arab, Jérôme Leca, Khyati Malhan, Frédéric Marin, Jenny Sorce

The Chair and LOC members are part of the Astronomical observatory of Strasbourg


November 13th, 2017

Morning session: Instrumentation and future missions

Chair: Enrico Costa

08h00 – 09h00: Reception, registration

09h00 – 09h10: Welcoming remarks

09h10 – 10h00: Introductory talk by Martin C. Weisskopf (invited)
10h00 – 10h45: Review talk by Sergio Fabiani (invited)

10h45 – 11h05: X-ray imaging polarimetry (Jacco Vink)

11h05 – 11h30: Coffee break

11h30 – 11h50: Generation of a monochromatic, polarized X-ray beam using HOPG and Si crystals for testing polarimetry X-ray telescopes at PANTER (Stefan F. Hartl)
11h50 – 12h10: Design and development of multilayer mirror based soft X-ray polarimeter for Astronomical observations (Srikanth Panini Singam)

12h10 – 12h30: A Soft X-ray Polarimeter (Herman Marshall)

12h30 – 14h30: Lunch break

Afternoon session: Instrumentation and future missions

Chair: Giorgio Matt

14h30 – 14h50: Hard X-ray and soft gamma ray polarimetry with CdTe/CZT spectroimager (Miguel Moita)
14h50 – 15h10: GRB polarisation measurements of POLAR (Merlin Kole)
15h10 – 15h30: SPHiNX: Compton scattering polarimeter for GRBs (Fei Xie)

15h30 – 15h50: The Gas Pixel Detector yesterday, today and tomorrow (Enrico Costa)

15h50 – 16h20: Coffee break

16h20 – 16h40: PoGO+ observations of Cygnus X-1 in the low/hard state (Mette Friis)
16h40 – 17h00: PoGO+ measurement of Crab emissions in the hard X-ray band (Victor Mikhalev)
17h00 – 17h20: Mirion’s contribution to space projects (Pascal Quirin)

Evening: visit of the historical observatory (18h00, free)

November 14th, 2017

Morning session: Strongly magnetized sources

Chair: Silvia Zane

09h00 – 09h45: Review talk by Jeremy Heyl (invited)
09h45 – 10h05: X-ray polarization from black holes’ accretion disks: QED effects (Ilaria Caiazzo)
10h05 – 10h25: Magnetar Bursts in the Era of X-ray Polarimeters (Ersin Gogus)

10h25 – 10h45: Multi-wavelength polarimetry of isolated neutron stars (Roberto Mignani)

10h45 – 11h13: Coffee break

11h15 – 11h33: On the spectrum and polarization of magnetar flare emission (Roberto Taverna)
11h35 – 11h53: Polarization of neutron star emission and future X-ray missions (Roberto Turolla)

11h55 – 12h15: Polarisation of high-energy emission in a pulsar striped wind (Jérôme Pétri)

12h15 – 14h00: Lunch break

Afternoon session: Accretion-powered objects

Chair: Immacolata Donnarumma

14h00 – 14h45: Review talk by Jeremy Schnittman (invited)
14h45 – 15h05: Hot Coronae in local AGN: present status and future perspectives (Andrea Marinucci)
15h05 – 15h25: X-ray polarization as a tool to understand coronae in accreting sources (Francesco Tamborra)

15h25 – 15h45: The high/soft state of Cygnus X-1 from the viewpoints of X-ray spectrum and polarization (Hiromitsu Takahashi)

15h45 – 16h20: Coffee break

16h20 – 16h40: Studying microquasars with X-ray polarimetry (Giorgio Matt)
16h40 – 17h00: X-ray polarization by reflection from accretion disc in AGN (Michal Dovciak)
17h00 – 17h20: A changing-look AGN to be checked by X-ray polarimetry (Beatriz Agis-Gonzalez)

Evening: conference dinner (20h00, Gurtlerhoft restaurant)

November 15th, 2017

Morning session: Jets and particles

Chair: Mark Pearce

09h00 – 09h45: Review talk by Niccolo Bucciantini (invited)
09h45 – 10h05: Observing Cen A and Other Blazars with IXPE (Herman Marshall)
10h05 – 10h25: Discovering new fundamental physics with X-ray polarimetry (Francesca Day)

10h25 – 10h45: Bounds on Axion-like Particles from X-ray observations of AGNs and quasars (Sven Krippendorf)

10h45 – 11h15: Coffee break

Morning session: Solar and stellar X-ray polarimetry

Chair: Mark Pearce

11h15 – 12h00: Review talk by Svetlana Berdyugina (invited)

12h00 – 12h20: X-ray photo-polarimetry of HD 189733b (Frédéric Marin)

12h20 – 12h30: Concluding remarks


Last name First name Institution
Agís-González Beatriz Université de Liège / KULeuven
Amato Elena INAF - Osservatorio Astrofisico di Arcetri
Arab Heddy Observatoire astronomique de Strasbourg
Berdyugina Svetlana Leibniz Institut fuer Sonnenphysik - KIS
Bucciantini Niccolo INAF - Osservatorio di Arcetri
Caiazzo Ilaria University of British Columbia
Capitanio Fiamma IAPS INAF
Caroli Ezio INAF/IASF-Bologna
Chatterjee Arka Indian Centre for Space Physics
Costa Enrico IAPS-INAF and ASI
Costamante Luigi ASI - Italian Space Agency, Unit of Scientific Research
Day Francesca University of Oxford
Del Sordo Stefano IASF-INAF Palermo
Donnarumma Immacolata Agenzia Spaziale Italiana
Dovciak Michal Astronomical Institute of the Czech Academy of Sciences
Fabiani Sergio National Institute of Astrophysics, Rome
Filipov Lachezar Space Research and Technology Institute
Friis Mette KTH - Royal Institute of Technology
Gogus Ersin Sabanci University, Istanbul
Grosset Lucas LESIA - Observatoire de Paris
Hartl Stefan F. Max-Planck-Institute for Extraterrestrial Physics (MPE) in Garching (Munich)
Heyl Jeremy Unversity of British Columbia
Kalita Nibedita ARIES, Nainital, India
Kammoun Elias SISSA - Trieste
Kazanas Demosthenes NASA/GSFC
Kiss Mózsi KTH Royal Institute of Technology
Kole Merlin University of Geneva
Krawczynski Henric Washington University
Krippendorf Sven LMU Munich - University of Oxford
Leca Jérôme Observatoire astronomique de Strasbourg
Malhan Khyati Observatoire astronomique de Strasbourg
Marin Frédéric Observatoire astronomique de Strasbourg
Mariotti Francesco University of Bologna Alma Mater Studiorum
Marshall Herman MIT Kavli Institute
Matt Giorgio Universita de Roma Tre
Mignani Roberto INAF/IASF-Milan
Mikhalev Victor KTH - Royal Institute of Technology
Mikusincova Romana Institute of Theoretical Physics of the Charles University in Prague / Astronomical Institute of the Czech Academy of Sciences
Moita Miguel INAF/IASF-Bologna
Muleri Fabio INAF/IAPS
Palit Sourav CRAAM – Centro de Rádio Astronomia e Astrofísica Mackenzie, Mackenzie Presbyterian University
Páscoa Marcela University of Coimbra
Pearce Mark KTH - Royal Institute of Technology
Pelliciari Carlo Max Planck Institute for extraterrestrial Physics
Pétri Jérôme Observatoire astronomique de Strasbourg
Puccetti Simonetta Agenzia Spaziale Italiana
Sala Gloria Universitat Politecnica de Catalunya
Savic Djordje Observatoire astronomique de Strasbourg / Astronomical Observatory of Belgrade
Schnittman Jeremy NASA / Goddard Space Flight Center
Singam Srikanth Panini Indian Institute of Astrophysics
Sorce Jenny Observatoire astronomique de Strasbourg
Rojas Lobos Andrea Observatoire astronomique de Strasbourg
Takahashi Hiromitsu Hiroshima University
Tamborra Francesco Astronomical Institute of the Czech Academy of Sciences
Taverna Roberto Physics and Astronomy Department - University of Padova
Tombesi Francesco University of Rome "Tor Vergata", NASA/GSFC, University of Maryland
Turolla Roberto Padova University
Vink Jacco Amsterdam University
Weisskopf Martin C. Marshall Space Flight Center
Xie Fei KTH Royal Institute of Technology
Zane Silvia Mullard space science laboratory university college London
Zharkova Valentina Northumbria University

If the number of registered participants exceeds the space limit, a selection will be made by the SOC after the abstract submission deadline.


You can download the abstract booklet by clicking on the link below
-> Click to download the Abstract booklet


You can download all the talks of the conference in the Program page.
Click on the presentation of individual speakers to get their talk in a .pdf format.


All participants of the workshop (invited speakers, lecturers and auditors) will have the possibility to publish extended papers based on the talks presented at the Alsatian workshop on X-ray polarimetry. No charge is required for all contributions. The peer-reviewed proceedings will be published in a special issue focusing on X-ray polarimetry and edited by the scientific journal Galaxies.

Galaxies (ISSN 2075-4434) is an international, peer-reviewed, open access journal that provides an advanced forum for studies related to astronomy, astrophysics, and cosmology. The journal is covered by relevant academic databases such as ADS, Scopus (Elsevier) and ESCI (Web of Science-Clarivate Analytics).

Details about the submission procedure will be given during the workshop. Instructions for authors, templates (LaTeX and Word) and general information can be found in the website of the journal:

Group picture

Conference venue

The conference will be held at the amphitheater of the Collège Doctoral Européen (46 Boulevard de la Victoire, 67000 Strasbourg).
It is located in the campus area, east of Strasbourg, at around 15 minutes walking from the city center. Buses and trams frequently stop in front of the building (stop Observatoire). The Collège Doctoral Européen is located just in front of the Astronomical observatory of Strasbourg.

To reach Strasbourg (city center):

  1. Airport
  2. From Strasbourg airport (called Entzheim Aéroport) the city center is reachable in 10 minutes by train. Once you arrive at the airport, go to the train platform outside the airport hall and purchase a train ticket at the machines. The train ticket should cost around 2.60 euros. Validate the ticket still on the platform before entering the train. The trains run until 10pm, afterwards there will be buses and taxis.

  3. Train/bus station
  4. The main train station is situated at Strasbourg itself. International buses will also arrive close to the train station or at Place de l'Etoile. From both locations you can easily reach all Strasbourg by bus, tram or walking.

To reach the conference venue:

    1. Tram
    2. The easiest way to reach the Collège Doctoral Européen is to take the tram C, E or F to the station "Observatoire". Tickets must be bought at the machines close to the tram plateform and validated before entering the tram. Trams are efficient but may be crowded with students. At this time of the year controls are frequent, so don't forget to buy and validate your tickets. A tram/bus ticket costs 1.70 euros and is valid for a one-way journey with transfer.

    3. Bus
    4. There is a big bus stop very close to the conference venue named "Observatoire". You can use the bus number 2 or 15 to reach your destination. The bus ticket is the same as the tram ticket, you can buy it inside the bus (ask the driver) but it is less expensive to buy tickets at the machines at tram stations. You have to validate your bus/tram ticket inside and every time you transfer. A bus/tram ticket costs 1.70 euros (2.00 euros inside the bus) and is valid for a one-way journey with transfer.

    5. Walking
    6. There are large boulevards that lead to the conference venue, with pedestrian walks in the center and almost no cars. It is a pleasant walk from the city center. About 15-25 minutes from most of the hotels listed on this website.

Hotels and Bed & Breakfasts

La Celestine

A charming and small hotel to spend a couple of nights in Strasbourg. The location is between the city center and the conference venue. Very kind and helpful owners who usual share breakfast with you.

Appartements du Renard

Very spacious apartments to be rented for short stays. The apartments are new, noise is not an issue as windows cut sounds. Beds and shower are great. Not far from the city center and the conference place.

Hotel Roses

Really lovely hotel. Friendly staff. The location is great, close to a tram stop and an easy walk, about 10 minutes, to the city centre / conference place. The rooms are a bit small, but fine for anyone who is travelling and visiting for a few days.

Hotel Gutenberg

Very nice hotel, a bit expensive but situated very close to the city center. Large rooms and nice staff. The beds are comfortable and the rooms are very quiet with blackout blinds. Tram stops nearby to reach the conference place. Booking in advance advised.

Le Kleber Hotel

Well-located small hotel close to the train station and city center. It's a basic hotel, but has everything needed. Tram stations are nearby to reach the conference venue. Rooms are clean but their size may vary from room to room.

Suisse Hotel

The Hotel Suisse's location is just next to the Strasbourg Cathedral. This little hotel has a welcoming staff and a cozy cafe where breakfast is served in the morning. The staff is helpfull and the hotel is not far from tram stops to reach the conference venue.

Catering and drinking places

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Mémé dans les orties

  • Beer, wine, spirits
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Les Berthom

  • Beer only
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Jeannette et les Cycleux

  • Beer, wine and cocktails
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Le XX Bar a vins

  • Wine only
  • €€
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Le Grincheux

  • Whisky and strong alcohols
  • €€
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Terres a Vin

  • Wine only
  • €€
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Au Brasseur

  • Alsatian specialities
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  • Garnished bread slices
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Le Troquet des Kneckes

  • Pub-style French food
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La Victoire

  • Alsatian specialities
  • €€
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La Cloche à Fromages

  • French cheese specialities
  • €€
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Au Diable Bleu

  • French meat specialities
  • €€
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La Cuiller à Pot

  • French cuisine
  • €€
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Chez Tante Liesel

  • Alsatian cuisine
  • €€
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  • French gastronomy
  • €€€


Nominal deadline for abstract submission: August 1st 2017

Extended deadline for abstract submission: August 31st 2017

Registration are closed

Registration to the workshop is limited to 36 speakers plus a dozen of additional participants. Priority will be given to PhDs and post-docs who will submit an oral presentation, but experienced researchers are invited to submit contributions as well. People may bring posters; they will be displayed in the lobby where also the coffee breaks take place. Please let us know if you bring posters so that we can order the right number of billboards.

Since the conference puts an emphasis on the participation of young researchers in the field of X-ray polarimetry, conference fees were reduced to a minimum of 50 euros. They cover a conference kit, coffee breaks and a ticket to the conference dinner. Payment will be possible securely online, after selecting speakers for the conference.

About the conference dinner. Please let us know if you have any allergies, diet restrictions or special requests. You can attend the conference dinner accompanied by another person (35 euros per additional ticket). Drinks will be included in the dinner.

If you have any additional questions, do not hesitate to contact the organizer of the workshop.

Registration form

  • Conference venue: 46 Boulevard de la Victoire, 67000 Strasbourg
  • Conference organizer:

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