Information
Nationals from a few countries may need visas to enter Poland for the purpose of attending the meeting. Requirements may be checked at Entering Poland website.
This is the most convenient airport and we recommend it to our participants. There is a handful of ground transportation options to reach hotels.
Taxi transport
Taxi is the easiest, though the most expensive option. Typical ride from the airport to the city center is approximately 50 PLN. It may be more expensive on weekends or during night time (10pm-6am). If you prefer this option, we recommend iCar, since they are relatively cheap and do not charge extra for weekends or nights (please check them at ICAR website since their policy may change at any time).
Lines 208, 252 and 902 (night line) run frequently, but not necessarily to your hotels so you may be in need to catch a connecting bus or tram.
Ticket pricing can be found here.
For rides from/to the airport, please use the green panel in the table.
All necessary information can be found at the airport's website.
There is also Warszawa-Okecie airport which is the biggest in Poland and air carriers may offer the cheapest airfares to this location. The ground transportation includes a train or bus transport to/from Krakow.
Train service requires a local train to the Central Railway Station (SKM S3) followed by an intercity connection to Krakow.
Bus tickets can be booked on the following websites. Get Trans LUX EXPRESS
Another option would be to arrive at Katowice-Pyrzowice airport. For this airport, there is a dedicated shuttle to/from Krakow.
The shuttle can be booked on the following websites: Matuszek Pyrzowice Ekspres
Efekt Express Krakow Hotel 
1 person room - 220 PLN
2 person room - 245 PLN
subject to availability
TAX and buffet breakfast included.
booking via This email address is being protected from spambots. You need JavaScript enabled to view it.
1/ "subdwarf meeting"
2/ First and Last name
3/ phone contact
4/ arrival and departure date
5/ room type with price
6/ credit card number along with the expiration date
booking via This email address is being protected from spambots. You need JavaScript enabled to view it.
email should contain:
1/ "subdwarf meeting"
2/ First and Last name
3/ phone contact
4/ arrival and departure date
5/ room type with price
6/ credit card number along with the expiration date
These two hotels, listed above, are owned by the same company and they are located next to each other. You can use facilities of both hotels, regardless of which hotel you are staying at.
1 person room - 240 PLN
2 person room - 270 PLN
Tax and breakfast included.
booking via This email address is being protected from spambots. You need JavaScript enabled to view it.
email should contain:
1/ "subdwarf meeting"
2/ First and Last name
3/ phone contact
4/ arrival and departure date
5/ room type with price
6/ credit card number along with the expiration date
1 person room - 160 PLN
2 person room - 185 PLN
subject to availability
Tax and breakfast buffet included.
Car parking 25PLN/day
booking via This email address is being protected from spambots. You need JavaScript enabled to view it.
email should contain:
1/ "Eight Meeting on Hot Subdwarfs and Related Objects"
2/ First and Last name
3/ phone contact
4/ arrival and departure date
5/ room type with price
6/ credit card number along with the expiration date
1 person room - 220 PLN
2 person room - 240 PLN
subject to availability
Tax included.
booking via
This email address is being protected from spambots. You need JavaScript enabled to view it.
email should contain:
1/ "subdwarf meeting"
2/ First and Last name
3/ phone contact
4/ arrival and departure date
5/ room type with price
6/ credit card number along with the expiration date
Sunday, July 9, 18:00-21:00
Welcome drinks and snacks, check-in, poster set-up
Location: foyer, next to the conference room
Monday, July 10, 16:30-18:00
Pizza sponsored by Open Astronomy
Location: foyer, next to the conference room
Tuesday, July 11, 18:00-22:00+
Under the sky; some food and drinks will be provided
Location: Chochołowy Dwór (Mulch House)
Wednesday, July 12, 13:00-19:00
An excursion to Wieliczka Salt Mine. We are aware that some of you have been to that
place before. This time, though, we offer the Miners' Route. The Tourist Route is also
an option upon request. Please, read more info on the Miners' Route to make sure you
can make it.
Location: "Wieliczka" Salt Mine
Thursday, July 13, 18:00-22:00
Conference dinner.
Location: Oberża Sąsiadów (Neighbours' Inn)
Friday, July 14, 16:30-19:00
Farewell Party
Location: foyer, next to the conference room
Saturday, July 15, 8:00-18:00
A trip to Pieniny National Park. Dunajec River Gorge rafting, lunch, a visit to the ruins of Czorsztyn Castle, a boat ride on Czorsztyn Lake
Location: Pieniny National Park
Posters will be displayed in the foyer, next to the conference room. The maximum size of a poster is A0 (841x1189mm, 33x46inches). The list of aprroved posters will be posted in June.
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| Name | Institution |
| Andy Baran | Mt Suhora Observatory |
| Thomas Brown | Space Telescope Science Institute |
| Ulrich Heber | Dr. Remeis-Sternwarte & ECAP, University of Erlangen-Nürnberg |
| David Schneider | Dr. Remeis-Sternwarte & ECAP, University of Erlangen-Nürnberg |
| Matti Dorsch | Friedrich-Alexander-Universität Erlangen-Nürnberg |
| Marylin Latour | Dr. Remeis-Sternwarte, University of Erlangen-Nürnberg |
| Nicole Reindl | University of Leicester |
| Stephan Geier | University of Tübingen |
| You Wu | Yunnan Observatories, Chinese Academy of Sciences |
| Xuefei Chen | Yunnan Observatories, Academia Sinica |
| Yan Li | Yunnan Observatories, Chinese Academy of Sciences |
| Bo Wang | Yunnan Observatories, Chinese Academy of Sciences |
| Dongdong Liu | Yunnan Observatories, Chinese Academy of Science |
| Jiao Li | Yunnan Observatories, Chinese Academy of Sciences |
| Zhanwen Han | Yunnan Observatories, Academia Sinica |
| JaeWoo Lee | Korea Astronomy and Space Science Institute |
| Maximilian Wolz | Dr. Remeis-Sternwarte & ECAP, University of Erlangen-Nürnberg |
| Simon Kreuzer | Dr. Remeis-Sternwarte & ECAP, University of Erlangen-Nürnberg |
| Nicolle Finch | University of Leicester |
| Marcus Schindewolf | Dr. Karl Remeis Sternwarte |
| Eva Ziegerer | Dr. Remeis-Sternwarte & ECAP, University of Erlangen-Nürnberg |
| Thomas Kupfer | Caltech |
| Peter Nemeth | Astroserver.org |
| Roy Ostensen | Missouri State University |
| James Wild | Armagh Observatory and Planetarium |
| Olga Zakhozhay | Main Astronomical Observatory of the National Academy of Sciences of Ukraine |
| Joris Vos | Universidad de Valparaiso |
| Simon Jeffery | Armagh Observatory |
| Philip Hall | Armagh Observatory |
| Pamela Martin | Armagh Observatory and Planetarium / Trinity College Dublin |
| Holly Preece | Armagh Observatory / Institute of Astronomy Cambridge |
| Madelon Bours | Universidad de Valparaiso |
| John Telting |
NOT
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| Suzanna Randall |
ESO Garching
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| Tony Lynas-Gray |
University of Oxford
|
| Norbert Przybilla | University of Innsbruck |
| Mike Reed | Missouri State University |
| Dave Kilkenny | University of the Western Cape |
| Valerie Van Grootel | Université de Liege |
| Matthew Bainbridge | University of Leicester |
| Maja Vuckovic | Universidad de Valparaíso |
| Josiah Schwab | UC Santa Cruz |
| Murat Uzundag | Ankara University |
| Veronika Schaffenroth | University of Tübingen |
| Gilles Fontaine | Université de Montréal |
| Conor Byrne | Armagh Observatory & Planetarium / Trinity College Dublin |
| Tiara Battich | Instituto de Astrofísica de La Plata, CONICET-UNLP |
| Karolina Bakowska | N. Copernicus Astronomical Center, Polish Academy of Sciences |
| Pawel Pietrukowicz |
Warsaw University Observatory
|
| Warren Brown | Smithsonian |
| Philipp Podsiadlowski | University of Oxford |
| Tomomi Otani | Embry-Riddle Aeronautical University |
| David Brown | Specola Vaticana |
| Thomas Boudreaux | High Point University |
| Nicolas Lodieu | IAC, Tenerife |
| Nicola La Palombara |
INAF - IASF Milano
|
| Christian Moni Bidin | Universidad Catolica del Norte |
| Zackary Hutchens | High Point University |
| Padraig Clancy | High Point University |
| Brad Barlow | High Point University |
| Jeff Andrews | University of Crete/FORTH |
| Ozgur Basturk | Ankara University |
| Ingrid Pelisoli | Universidade Federal do Rio Grande do Sul |
| Alejandra Romero | Universidade Federal do Rio Grande do Sul |
| JJ Hermes | University of North Carolina at Chapel Hill |
| Staszek Zola | OA UJ |
| Ewa Chmielewska | DE GRUYTER |
| Stéphane Charpinet | IRAP / CNRS / Université de Toulouse |
| Noemi Giammichele | Research Institute in Astrophysics and Planetology (IRAP) |
| Sunday, July 9 | ||
| 18:00-21:00 | Welcome Reception and Check-in | |
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| Monday, July 10 | ||
| 8:45-9:00 | Welcoming Remarks | |
| Session I |
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| To be a hot subdwarf or not? | ||
| chair Andy Baran | ||
| 9:00-9:25 | Zhanwen Han | Constraints on binary evolutionary processes from observations of hot subdwarfs |
| 9:25-9:50 | Xuefei Chen | Subdwarf B stars from the common envelope ejection channel |
| 9:50-10:15 | Conor Byrne | Effects of diffusion in hot subdwarf progenitors from the common envelope channel |
| 10:15-10:45 | Morning tea/coffee break | |
| 10:45-11:10 | Josiah Schwab | Double white dwarf mergers as the origin of single sdB stars |
| 11:10-11:35 | Philip Hall | Hydrogen in Helium White Dwarf Mergers |
| 11:35-12:00 | Yan Li | Overshooting beyond the convective cores in sdB stars |
| 12:00-13:00 | Lunch break | |
| Session II |
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| Spiciness of hot subdwarfs |
||
| chair Nicole Reindl |
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| 13:00-13:25 | Simon Jeffery | Pulsation and heavy-metal subdwarfs |
| 13:25-13:50 | Matthew Bainbridge | Probing the Gravitational Dependence of the Fine-Structure Constant from Observations of White Dwarf and Subdwarf Stars |
| 13:50-14:15 | Marcus Schindewolf | Chemical abundances of He-sdO stars |
| 14:15-14:45 | Afternoon tea/coffee break | |
| 14:45-15:10 | David Schneider | Spectroscopic Analysis of the 3He Anomaly in Hot Subdwarf B Stars |
| 15:10-15:35 | Marylin Latour | On the spectroscopic properties of hot hydrogen-rich sdO stars |
| 15:35-16:00 | Norbert Przybilla | Quantitative Spectroscopy of Extreme Helium Stars - A non-LTE Step Forward |
| 16:00-16:40 | Philipp Podsiadlowski and Thomas Kupfer Discussion Period #1 | |
| 16:40-17:30 | Pizza sponsored by Open Astronomy | |
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Tuesday, July 11 |
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| Session III | ||
| Stronger in a group | ||
| chair Xuefei Chen | ||
| 9:00-9:25 | Thomas Brown | New Insights into Ubiquitous Discontinuities on the Hot Horizontal Branch |
| 9:25-9:50 | Suzanna Randall | EHB stars in Omega Cen |
| 9:50-10:15 | Christian Moni-Bidin | The strange sdB binary in NGC6752 |
| 10:15-10:45 | Morning tea/coffee break | |
| Session IV | ||
| It takes two to tango | ||
| chair Peter Nemeth | ||
| 10:45-11:10 | Joris Vos | Properties of wide sdB binaries and their influence on binary interaction models |
| 11:10-11:35 | Holly Preece | The Effect of Tidal Interactions on the Modeling and Asteroseismology of sdBs |
| 11:35-12:00 | JJ Hermes | Comparing the rotation of hot subdwarfs with binary low-mass white dwarfs |
| 12:00-13:00 | Lunch break | |
| 13:00-13:25 | Jeff Andrews | Today a duo, but once a trio? The double white dwarf HS 2220+2146 may be a post-blue straggler binary |
| 13:25-13:50 | Thomas Kupfer | The fast and the furious - The population of ultracompact hot subdwarf binaries |
| 13:50-14:15 | Nicola La Palombara | News on the X-ray emission from hot subdwarf stars |
| 14:15-14:45 | Afternoon tea/coffee break | |
| 14:45-15:10 | Eva Ziegerer | Origin of Hot Subdwarfs at High Velocity |
| 15:10-15:35 | Simon Kreuzer | Spectroscopy of hot subdwarf binaries |
| 15:35-15:50 | Ewa Chmielewska | Open Astronomy |
| 15:50-16:20 | Afternoon tea/coffee break | |
| 16:20-16:40 | Poster presenters | 1-min poster snapshots |
| 16:40-17:20 | Warren Brown and Philip Hall Discussion Period #2 | |
| 17:20-22:00+ | Under the Sky at Chocholowy Dwor (conference photo) | |
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Wednesday, July 12 |
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| Session V | ||
| Now you see me, now you don’t | ||
| chair Noemi Giammichele | ||
| 09:30-09:55 | Veronika Schaffenroth | New results from the EREBOS project |
| 09:55-10:20 | Andy Baran | HW Vir - K2 results |
| 10:20-10:45 | Madelon Bours | HW Vir: the secondary star revealed |
| 10:45-11:10 | Maximilian Wolz | Spectroscopic and photometric analysis of the HW Vir star PTF1 J011339.09+225739.1 |
| 11:10-11:35 | Maja Vuckovic | Post common-envelope binaries with orbital period variations - Is it all about the M-dwarf ? |
| 11:35-12:30 | Lunch break | |
| 12:30-18:00 | Wieliczka Salt Mine | |
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Thursday, July 13 |
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| Session VI | ||
| A zoo of EHB objects | ||
| chair Brad Barlow | ||
| 9:30-9:55 | Ulrich Heber | What we can learn from spectral energy distributions of sdB stars? |
| 9:55-10:20 | Nicolas Lodieu | Physical parameters of M subdwarfs |
| 10:20-10:45 | Olga Zakhozhay | The results of SED simulations for young L-dwarf with dusty ring |
| 10:45-11:10 | Morning tea/coffee break | |
| 11:10-11:35 | Bo Wang | The WD + He star binaries as the progenitors of type Ia supernovae |
| 11:35-12:00 | Dongdong Liu | Double WD systems from the WD+He subgiant channel and SNe Ia |
| 12:00-13:00 | Lunch break | |
| Session VII | ||
| Dancing with hot subdwarfs | ||
| chair Ingrid Pelisoli |
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| 13:00-13:25 | Tiara Battich | Pulsational instabilities excited by the ε-mechanism in hot pre-horizontal branch stars |
| 13:25-13:50 | Valerie Van Grootel | New observations and asteroseismic analysis of the subdwarf B pulsator PG 1219+534 |
| 13:50-14:15 | Stéphane Charpinet | Rotation in sdB stars as revealed by stellar oscillations |
| 14:15-14:40 | Afternoon tea/coffee break | |
| 14:40-15:05 | Pawel Pietrukowicz | Discovery of a new class of hot pulsating stars |
| 15:05-15:30 | Mike Reed | The non-stochastic pulsator PG0048, are multiplets really rotation? and other weird things we see in Kepler data. |
| 15:30-15:55 | Roy Østensen | The Toby Shake |
| 15:55-16:15 | Afternoon tea/coffee break | |
| 16:15-16:40 | Pamela Martin | Time-Resolved Spectroscopy of the Pulsating Zirconium sdB LS IV-14 116 |
| 16:40-17:20 | Valerie Van Grootel and Suzanna Randall Discussion Period #3 | |
| 17:20-22:00 | Conference Dinner at Oberza u Sasiadow | |
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Friday, July 14 |
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| Session VIII | ||
| The more, the merrier | ||
| chair Marylin Latour | ||
| 9:30-9:55 | Thomas Boudreaux | The Applications of Deep Neural Networks to sdBV Classification |
| 9:55-10:20 | Warren Brown | ELM Survey |
| 10:20-10:45 | Ingrid Pelisoli | Are sdAs He-core stars? |
| 10:45-11:15 | Morning tea/coffee break | |
| 11:15-11:40 | Alejandra Romero | Separating pre-ELMs from Main Sequence stars using Asteroseismology |
| 11:40-12:05 | Nicole Reindl | Approaching a better understanding of the mysterious hot wind white dwarfs |
| 12:05-12:30 | Brad Barlow | Hot Subdwarfs in the Evryscope Survey |
| 12:30-13:30 | Lunch break | |
| chair Eva Ziegerer | ||
| 13:30-13:55 | John Telting | Seeking new p-mode sdB variables for the TESS northern ecliptic pole mission |
| 13:55-14:20 | Stephan Geier | Meet the family - the catalog of known hot subdwarf stars |
| 14:20-14:45 | Peter Németh | Astroserver's first steps in servicing astronomy |
| 14:45-15:15 | Afternoon tea/coffee break | |
| 15:15-15:55 | Stephan Geier and Veronika Schaffenroth Discussion Period #4 | |
| 15:55-16:30 | Anthony Lynas-Gray | Conference Summary |
| 16:30-18:00 | Farewell party | |
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Saturday, July 15 |
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| 8:00-18:00 | Trip to Pieniny National Park | |