Workshop poster, showing the solar system and postcards from other debris disc, author: Mark Booth


We are happy to announce a small workshop on "Debris discs: At Home and Abroad". The workshop will be held in Jena, Germany, from 29 August to 2 September 2022. Room capacities limit the attendance to about 50 participants.

The meeting is part of the series "Current and future trends in debris disc science". Following the spirit of the previous very stimulating meetings (Victoria 2018, Budapest 2019, virtual EAS 2021), the goal is to strengthen collaboration and discussion among scientists working on extrasolar and solar debris discs. Most importantly, this workshop is aimed at inspiring and intensifying the dialogue between researchers using various approaches – observations, theory, and laboratory studies. Students and postdocs are encouraged to present their results and to use the opportunity to learn more about the main questions and most recent results.

The workshop is neutral in terms of funding. This implies that no registration fee is charged and that no financial support is offered to the participants. In exceptional cases, the organisers will try to arrange some support from the funds provided to us by the German Research Foundation (DFG) for the meeting organization.

Panoramic view of central Jena from WNW, author: Torsten Löhne


Registration and abstract submission

open until 31 May 2022

Final announcement

August 2022


29 August to 2 September 2022


Download: Programme and poster list (PDF).

SUNDAY, Aug 28
18:0020:00Ice breaker (AIU gardens, Schillergäßchen 3, 07745 Jena)
MONDAY, Aug 29
09:1509:30E. MatthewsA new scattered-light disk in the Scorpius-Centaurus association
09:3009:45XieDisk imaging with reference-star differential imaging using public archival data from VLT/SPHERE
09:4510:00LangloisApplying new data analysis methods to SPHERE data to recover debris disks intensity and polarimetry
10:0010:15ChittidiRevisiting the supposed outer cold belt around Proxima Centauri – is there a disk?
11:0011:15RebollidoA revisit of Beta Pic's disk: from HST to JWST
11:1511:30PawellekA self-consistent scattered light model for dust in debris discs
11:3011:45HengstPredicting debris disc emission from radiation pressure affected grains
11:4512:00Poster blitz (P1–P7)
Discussion moderators: Ch. Chen, E. Matthews
  • Large program proposal
  • Cycle 2 proposal "tutorial"
  • Expected impact on debris disk science
Discussion moderators: Marino, MacGregor (TBC)
  • ELT
  • FIR missions
  • Habex & Luvoir
16:3018:00Poster Session I
09:0009:15MilliThe dust properties of HR4796
09:1509:30KranholdIron(II) sulphides: From optical constants to debris disk dust mixtures
09:3009:45Bendahan-WestAutomated search for spectroscopic exocomet transits
09:4510:00RigleyInward transport of comets as a source of exozodiacal dust
10:4511:00StapelfeldtExozodiacal dust impact on the architecture for Astro2020's IROUV mission
11:0011:15ErtelUpdates and future prospects of exozodiacal dust observations
11:1511:30IngebretsenExozodiacal dust in the Epsilon Eridani system
11:3011:45PeronneHot exozodi magnetic trapping, with sublimating dust grains and revised electric charging
11:4512:00Poster blitz (P8–P14)
Discussion moderators: Milli, Wolf
  • Dust scattering properties
  • Polarimetry
  • Optical constants
  • Composition
Discussion moderators: Wyatt
  • Birth – planetesimal formation & stirring
  • Transition from protoplanetary to debris disks
  • Debris disk masses
  • Models vs observations
16:3018:00Poster Session II
09:0009:15MatràThe REASONS survey: final results from the first population study of planetesimal belts at mm wavelengths
09:1509:30PearceThe outer-planet population inferred from a large sample of debris discs
09:3009:45BoothALMA detection of Epsilon Eridani's resonant clumps
09:4510:00SefilianInteractions between planets and debris discs: the role of disc self-gravity
10:0010:15FriebeGap carving by a migrating planet embedded in a massive debris disc
11:0011:15HanRecovering the structure of edge-on debris disks non-parametrically
11:1511:30HalesALMA Observations of dust and gas in the HD 110058 debris disk
11:3011:45HughesMillimeter dust emission and planetary dynamics in the HD 106906 System
11:4512:00MacGregorA new ALMA view of the HD 53143 debris disk
14:00Free afternoon / social activities
09:0009:15ChiangDwarf planet destruction in debris discs
09:1509:30IglesiasDisc evolution in young intermediate-mass stars
09:3009:45BonsorTracing CO production in debris systems
09:4510:00BrennanHST observations of C and CO gas in the edge-on debris disks orbiting HD110058 and HD131488
10:0010:15MarinoVertical evolution of exocometary gas: how vertical diffusion shortens the CO lifetime
11:0011:15OlofssonGas drag and vertical structure
11:1511:30StuberPlanets revealed by secular perturbations of dust and the impact of water ice on debris disk observables
11:3011:45MustillWhite dwarf debris discs
11:4512:00SteeleInvestigating the compositions of remnant Kuiper belt analogues using white dwarf stars
Discussion moderators: Hughes, Matrà
  • Origin and evolution
  • Exocomet composition
  • Exocomets vs solar system comets
  • Gas release mechanisms
  • Primordial component
  • Tracers
Discussion moderators: Bonsor, Booth
  • Wide vs narrow disks: what controls planetary system architecture?
  • Radial substructure
  • Vertical structure
  • Azimuthal structure
  • Clumps
  • Inferring unseen planets
17:0018:00HOT EXOZODIS
Discussion moderators: Pearce, Ertel
  • Theory – towards possible explanations
  • Observations
  • The US exozodi landscape in the light of NASA's decadal survey response
  • Implications for habitable zones & exo-Earth imaging
18:3022:00Workshop dinner (buffet style)
09:0009:15ToumaThe impact of Laplace Surface dynamics on debris disk architecture
09:1509:30YoungPlanetesimal belts in wide binaries: A Kozai origin for transiting exocometary material?
09:3009:45LuppeBinaries around stars with resolved debris discs
09:4510:00MichelESA-Gaia multiplicity study of exoplanet host stars
10:4511:00MarshallExtreme occultations of a Sun-like star
11:0011:15L. ChenAsymmetric debris dust distribution after an exosolar asteroid collision
11:1511:30SuA star-sized impact-produced dust clump in the terrestrial zone of the HD 166191 system
Discussion moderators: Su, Chiang
  • Frequency
  • Variability
  • Planet composition
  • Modelling approaches
Discussion moderators: Mustill, Steele
16:0016:30Concluding remarks & next meeting
16:30End of the workshop


List of Posters

P1WolffExcavating archetypal debris disks with HST and JWST
P2NorazmanAn automated search for transiting exocomets with TESS
P3RebollidoGas in debris discs: ALMA CO detection in HS 36546
P4JankovicKinetic modelling of gaseous debris discs
P5MarshallSystematic determination of the dust properties for a sample of spatially resolved debris discs
P6MutschkeDust opacity data at long wavelengths and low temperatures
P7JägerThe evolution of molecular ice into kerogen-like carbon
P8MarinoExamining the inner edge of exoKuiper belts
P9CostaStirring of a debris disk by large planetesimals scattered by a planet
P10MustillProduction of circumplanetary debris discs during planet-planet scattering
P11FarhatShaping debris disc morphologies via Laplace Surface dynamics: The case of HD 106906
P12MugrauerMultiplicity study of (community) TESS objects of interest
P13OllmannHot exozodis and close-in exoplanets
P14PearceHot exozodis: cometary supply without trapping is unlikely to be the mechanism


Jean-CharlesAugereauIPAG, Université Grenoble Alpesin person
JanineBätzAIU, University of Jenain person
RaphaelBendahan-WestUniversity of Warwickin person
JuergenBlumTU Braunschweigin person
AmyBonsorIoA, University of Cambridgein person
MarkBoothAIU, University of Jenain person
AoifeBrennanTrinity College, Dublinin person
LeiChenKonkoly Observatory, Budapestin person
ChristineChenSpace Telescope Science Institute, Baltimorein person
EugeneChiangUniversity of California, Berkeleyin person
JayChittidiUniversity of Colorado, Boulderin person
TysonCostaAIU, University of Jenain person
NataliaEnglerIPA, ETH Zürichonline
SteveErtelSteward Observatory, University of Arizona in person
Virginie Faramaz GorkaSteward Observatory, University of Arizona in person
MohammadFarhatIMCCE, Observatoire de Parisin person
MarcFriebeAIU, University of Jenain person
JaneGreavesCardiff Universityonline
AntonioHalesALMA/NRAOin person
YinuoHanIoA, University of Cambridgein person
ShaneHengstUniversity of Southern Queenslandin person
MarcelHerrmannAIU, University of Jenain person
A. MeredithHughesWesleyan Universityin person
DanielaIglesiasUniversity of Leedsin person
CarlIngebretsenSteward Observatory, University of Arizonain person
CorneliaJägerMPIA Heidelberg & IFK/FSU Jenain person
MarijaJankovicIoA, University of Cambridgein person
Scott KenyonCfA, Harvard & Smithsonianonline
FlorianKirchschlagerGhent Universityonline
QuentinKralLESIA, Observatoire de Parisonline
ChristianKranholdAIU, University of Jenain person
AlexanderKrivovAIU, University of Jenain person
CareyLisseJohns Hopkins Applied Research Laboratoryonline
MaudLangloisCNRS Lyonin person
JoshuaLovellIoA, University of Cambridgeonline
PatriciaLuppeAIU, University of Jenain person
MeredithMacGregorUniversity of Colorado, Boulderin person
SebastianMarinoIoA, University of Cambridgein person
JonathanMarshallASIAA, Taipeiin person
LucaMatràTrinity College, Dublinin person
BrendaMatthewsNRC Herzbergonline
ElisabethMatthewsUniversité de Genèvein person
JuilienMilliIPAG, Université Grenoble Alpesin person
Kai-UweMichelAIU, University of Jenain person
AttilaMoórKonkoly Observatory, Budapestin person
AmayaMoro-MartinSpace Telescope Science Institute, Baltimore online
MarkusMugrauerAIU, University of Jenain person
AlexanderMustillLund Universityin person
HaraldMutschkeAIU, University of Jenain person
RalphNeuhaeuserAIU, University of Jenain person
AzibNorazmanUniversity of Warwickin person
KevinOllmannITAP, University of Kielin person
JohanOlofssonMPIA Heidelbergin person
NicolePawellekDepartment of Astrophysics, University of Viennain person
TimPearceAIU, University of Jenain person
ArthurPeronneIPAG, Université Grenoble Alpesin person
ClémentPerrotLESIA, Observatoire de Parisonline
PedroPobleteAIU, University of Jenain person
IsabelRebollidoSpace Telescope Science Institute in person
JessicaRigleyIoA, University of Cambridgein person
AntranikSefilianAmerican University of Beirutin person
KarlStapelfeldtJPL/Caltech, NASA ExEP Officein person or online
AmySteeleMcGill Universityin person
ThomasStuberITAP, University of Kielin person
KateSuSteward Observatory, University of Arizonain person
JihadToumaAmerican University of Beirutin person
DavidWilnerCfA, Harvard & Smithsonianonline
SebastianWolfITAP, University of Kielin person
SchuylerWolffSteward Observatory, University of Arizonain person
MarkWyattIoA, University of Cambridgein person
ChenXieLaboratoire d’Astrophysique de Marseille in person
StevenYoungIoA, University of Cambridgein person

Travel information

General information:

No matter which point in Jena you will arrive at (the bus station 'ZOB', the train stations 'Jena West', 'Jena Paradies'), all the 'places of interest' (recommended hotels, institute = icebreaker place, conference venue) are within walking distance.

We recommend for you to use travel planning apps to help with your journey, e.g. Google maps, Rome2rio.

By long-distance bus:

Long-distance buses are typically one of the cheapest means of transport. However, they reach Jena only a few times a day. 'Flixbus' (English version) operates with connections to and from Jena. The central bus station (ZOB) is located close to the long-distance train station, 'Jena Paradies'. We recommend using the 'Flixbus' App. It tells you the exact arrival time of the bus.

By train:

Jena has two train stations in the city centre. 'Jena West', that serves East-West connections, and 'Jena Paradies', that serves North-South connections.

You can check available connections with 'Deutsche Bahn' (English version). For details on specific train connections from some airports, see below.

For those flying in to Germany, it's worth being aware that many airlines, e.g. Lufthansa, offer a 'Rail&Fly' ticket. This essentially gives you a flexible train ticket for the day following your arrival and the day preceding your departure and is much much cheaper than a Deutsche Bahn flexible ticket.

It is advisable to make a seat reservation if you travel with an express train (ICE, IC, EC), especially on Fridays and Sundays. You can find a scheme with the passenger cars' stopping positions (called 'Wagenstandanzeiger') at each platform. 'Deutsche Bahn' offers special cheaper tickets, e.g. for people who book very early (super saver fare) or early (saver fare). However, these tickets are valid only for one specific connection. Until end of August nearly all tickets for regional(!) passenger transport are much cheaper (9 € per month).

We strongly recommend using the 'DB Navigator' app of 'Deutsche Bahn'. It shows live expected arrival / departure times, platform numbers, suggested alternatives if one is delayed, etc. It stores a QR code of your ticket and is fully available in English.

HINT: 'Deutsche Bahn' is not necessarily punctual. We recommend changing the "Duration of transfer" (under "Stopover") at the DB website or in the app to at least 15 minutes.

By train from Frankfurt Airport (FRA):

FRA via Erfurt to Jena (every 2h, 1 change, ~3.5h travel time; arrival: 'Jena West')

The trains from Frankfurt depart at least every two hours and take about three and a half hours. The official name of the station for departure is 'Frankfurt(M) Flughafen Fernbf'. The train does not go directly to Jena. You have to change once: to a regional train in Erfurt. About half an hour later, you reach 'Jena West'.

By train from Munich Airport (MUC):

MUC via Erfurt to Jena (every hour, 2 changes, ~4.5h travel time, arrival: 'Jena West')

You first have to take the city train (S 8) to the central station 'München Hbf'. Then, you have to go from the underground platforms for city trains and trams to the platforms for long-distance trains. There, an ICE departs at least once an hour, reaching Erfurt about three hours later. There you have to change again: to a regional train. About half an hour later, you reach 'Jena West'.

By train from Berlin Airport (BER):

BER (Hbf/Südkreuz) via Erfurt or Halle(Saale) (at least 1x per hour, 2 changes, 3-3.5h travel time; arrival: 'Jena West'/ 'Jena Paradies')

You first have to take the city train or a regional train to the main train station 'Berlin Hbf' or sometimes to 'Berlin Südkreuz', 'Berlin Gesundbrunnen' or 'Treptower Park'. From there take an express train (IC or ICE) to either 'Halle (Saale)'- one hour - or to Erfurt - one and a half hours. You then have to change to a regional train. From Erfurt you reach 'Jena West' about half an hour later, and from Halle it is about an hour to 'Jena Paradies'.

By train from Leipzig/Halle Airport (LEJ):

LEJ via Halle(Saale)/Leipzig (2x per hour, 1 changes, >1.5h travel time, arrival: 'Jena Paradies')

Typically you take the city train (S5 or S5X) to Halle (Saale) main station ('Halle(Saale) Hbf'). From there, regional trains (towards 'Jena-Göschwitz' or 'Saalfeld') take you directly to 'Jena Paradies'. This will take about one and a half hours.

By (rental) car:

First find out your route here. At the end take the autobahn A4 (sometimes called BAB 4) and leave it at 'Jena-Zentrum'. Then follow the freeway to the North towards 'Jena-Zentrum' for about 10 minutes.

If you need a rental car, you can check the prices and conditions here.


Go to:


The meeting will be held at the Normannenhaus in Jena. The venue is located close to the city center, offering a nice view.

Jena is a university city with about 110,000 inhabitants (of which about 25,000 are university students), located in the central part of Germany, in the state of Thuringia, between Berlin (250 km), Frankfurt/Main (310 km), Leipzig (100 km), Dresden (190 km), and Munich (380 km). Jena, self-styled "Lichtstadt" ("City of Light"), is proud of having won the all-German competition to get the title "City of Science 2008". More information about Jena can be found at www.visit-jena.de.

A Workshop Venue www.normannenhaus-jena.de


Street address: Forstweg 12, 07745 Jena.

B Astrophysical Institute and University Observatory www.astro.uni-jena.de


B Schiller's Garden www.visit-jena.de/kunst-und-kultur/museen/schillers-gartenhaus/

Right next to the Astrophysical Institute's main building.(AIU)

C Jena West

Train station

Arrival from Weimar and Frankfurt.

Take the busline 10, 11 or 15, or walk (approximately 10 min) to the city centre.

D Jena Paradies

Train station

Arrival from Berlin, Leipzig, and Munich.

The central bus station (regional and long-distance busses, no local busses though) is located right across the street.

5-min walk to the centre.

E The JenTower

Jena's most prominent landmark.


The presented list of hotels is (mostly) confined to such within or near the town center. For details on individual hotels, click on the list (left column) or on the markers on the map. A more complete list of accommodation options can be found here (deutsche Version: hier).

F Im Sack www.haus-im-sack.de
G Zur Schweiz www.zur-schweiz.de
H Thüringer Hof www.thueringerhof-jena.de
I Zur Noll www.zur-noll.de
J Schwarzer Bär www.schwarzer-baer-jena.de
K Ibis www.accorhotels.com
L Pension H+R innenstadtpension-jena.npage.de
M Steigenberger Esplanade www.jena.steigenberger.de
N VielHarmonie www.hotel-vielharmonie.de
O Hostel Alpha One www.hostel-jena.de
P Unterm Landgrafen
Q Best Western www.bestwesternjena.de
R Steigenberger MAXX www.steigenberger.com/maxx-jena

Restaurants etc.

The listed cafés and restaurants are (almost) all inexpensive. In addition, there is a bunch of fast food restaurants that sell and serve everything from kebab to pizza.

F Im Sack www.haus-im-sack.de

German and Thuringian cuisine

I Zur Noll www.zur-noll.de

German and Thuringian cuisine

S Mensa Ernst-Abbe-Platz www.stw-thueringen.de

University cantine with reduced prices for students

T Alt Jena

German and Thuringian cuisine

T Kartoffelhaus www.kartoffelhaus-jena.de

Cooked potatoes, baked potatoes, fried potatoes, chipped potatoes, sliced potatoes, ...

T JEN - Ramen www.jen-ramen.de

Japanese cuisine. Mostly noodles with soup (called Ramen), Sake, and more.

U Bauersfeld cafe.bauersfeld-jena.de

Café/restaurant/bar, dominated by style elements from the 20s

Literally connected to the Zeiss planetarium.

V Café Stilbruch stilbruch-jena.de

Moderately priced café/restaurant, tasty food

V Cheers www.cheers-jena.de

Burgers, steaks, tortillas, ...

W Bistro Alibaba bistro-alibaba-jena.de

Mediterranean and Middle-Eastern kitchen.

X Green Burger Van

A variety of vegan burgers to go.

Y Theatercafé www.theatercafe-jena.com

Small cafe/bar, serving food during lunchtime.