XVIIIth Hvar Astrophysical Colloquium
Last Updated on Friday, 28 March 2025 17:48
XVIIIth Hvar Astrophysical Colloquium
From the Sun to the Heliosphere and beyond
15 - 19 September 2025, Hvar, Croatia
The Hvar Astrophysical Colloquium (HAC) is organized every two years in the town of Hvar, Croatia with aim to bring together researchers from Europe and beyond, devoted to instrumentation, fundamental as well as applied research in the field of solar and heliospheric physics, space weather and space climate.
| Tentative schedule (pdf) Topics / Sessions Timetable Abstract submission Registration Organisation Travel and accommodation Local information & venue Contact HAC poster |
CONFERENCE MEETING PLACE
- Photosphere: Solar Photosphere, Sunspots, Flux emergence, Solar cycle variation, Solar dynamo, helioseismology
- Chromosphere: Solar Chromosphere, active regions, waves, reconnection, solar flares, prominences, flux ropes, eruptive processes
- Corona: Solar Corona, active regions, waves, reconnection, solar flares, prominences, flux ropes, eruptive processes, CMEs, coronal holes
- Heliosphere: IP space, solar wind, heliospheric magnetic field, Large and small-scale structures, ICMEs, SIRs, HSSs, SEPs, GCRs, turbulence
- Solar-terrestrial relations, space weather, space climate
- Beyond heliosphere: Solar-stellar connection, exoplanetary space weather and space climate
| Abstract submission opens: | end of March 2025 |
| Registration submission opens: | April 2025 |
| Abstract submission closes (for orals): | 31 May 2025 |
| Release of preliminary program: | end of June 2025 |
| Early registration deadline: | 31 July 2025 |
| Abstract submission closes (for posters): | 31 August 2025 |
| Registration deadline (only late reg. afterwards): | 1 September 2025 |
| Release of final program and abstract book | beginning of September 2025 |
| XVIIIth HAC starts | 15 September 2025 |
The abstract submission is now open for oral and poster contributions (deadline: 31 May 2025). After this deadline only submissions for poster contributions are possible (deadline: 31 August 2025).
Abstracts are submitted via Google form on official HAC2025 Overleaf or Google-doc template (whichever you prefer):
Overleaf abstract template
Google-doc abstract template
(note: to use the template you first need to download it or make a copy of the file)
The pdf version of the abstract is uploaded within the Google form.
Abstract submission form
XVIIIth HAC will be held in-person only.
There will be no abstract submission charges.
Submission of an abstract is NOT considered as registration. Registration will only be considered as full upon receiving the payment. The registration will be opened in April 2025.
| Early registration until 31th July included |
Registration from 31th July to 1st September included |
Late registration from 1st September |
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| Regular | 400 EUR | 450 EUR | 500 EUR |
| Students & retirees | 200 EUR | 225 EUR | 250 EUR |
| Accompanying person | 150 EUR | 150 EUR | 200 EUR |
XVIIIth HAC will be held in-person only. The registration will be opened in April 2025.
For student/retiree status a confirmation of status needs to be uploaded during registration.
For retirees – ID, passport or other document showing age OR any document from which retiree status is visible.
For students – student card, confirmation from university or similar document from which student status is evident.
Cancelation policy: The return of the registration fee (minus the banking fee) can only be guaranteed if the cancellation notice is sent before 1 September 2025.
Financial support: It will be available for a small subset of participants. Details will be released in April.
| SCIENTIFIC ORGANIZING COMMITTEE | LOCAL ORGANIZING COMMITTEE |
| Chair: Mateja Dumbović (Hvar Obs., Croatia) Members: Erika Palmerio (PredSci, USA) Manuela Temmer (UniGraz, Austria) Astrid Veronig (UniGraz, Austria) Jasmina Magdalenic (ROB, Belgium) Ilya Usoskin (Uni. Oulu, Finland) Markus Roth (Tautenburg Obs., Germany) Lisa Upton (SwRI, USA) Jaroslav Dudik (Astron. Inst. CAS, Ondrejov, Czechia) Robertus Erdely (Uni. Sheffield, UK/Gyula Obs., Hungary) Eleanna Asvestari (Uni. Helsinki, Finland) Athanasios Papaioannou (NOA, Greece) Nada Al Haddad (UNH, USA) Julia Stawarz (Uni. Northumbria, UK) Petr Heinzel (Uni. Wrozlaw/Poland, Astron. Inst. CAS, Ondrejov/Czechia) Meng Jin (LMSAL, USA) Dibyendu Nandi (CESS/IISER, India) |
Chair:
Mateja Dumbović (Hvar Obs.) Members: Jaša Čalogović (Hvar Obs.)
Domagoj Ruždjak (Hvar Obs.) Karmen Martinić (Hvar Obs.) Galina Chikunova (Hvar Obs.) Akshay Kumar Remeshan (Hvar Obs.) Mohit Shah (Hvar Obs.) Davor Sudar (Hvar Obs.) Bojan Vršnak (Hvar Obs.) Roman Brajša (Hvar Obs.) Filip Matković (Hvar Obs.) Toni Visković (Hvar Obs.) |
SPONSORS AND PATRONS
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Hvar Observatory, Faculty of Geodesy
University of Zagreb
Kaciceva 26, 10000 Zagreb
mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
phone: +385 1 4639318
Pdf version of XVII HAC poster is available here.