Name: CosmoVerseSchool@Sofia 2026
Start: 2026-05-25T07:15:00+03:00
End: 2026-05-29T18:00:00+03:00
Location: Sofia, Bulgaria

CosmoVerseSchool@Sofia 2026

from Monday, 25 May 2026 (07:15) to Friday, 29 May 2026 (18:00)

Monday, 25 May 2026
08:00 Day 1 - Morning Session
08:00 - 13:00
Contributions

08:00 Registration

08:45 School Opening Talks - 1. Eleonora Di Valentino - Vice-Chair of COST Action CA21136 (University of Sheffield, UK) 2. Neli Koseva - Scientific Secretary-General of BAS (Bulgarian Academy of Sciences) 3. Denitsa Staicova (INRNE, Bulgarian Academy of Sciences) 4. Lilia Anguelova (INRNE, Bulgarian Academy of Sciences) 5. Siyang Li (University of California, Berkeley, USA)

09:30 The Hubble Tension & the distance ladder(s) - Louise Breuval

11:00 Coffee Break

11:30 Measuring astronomical distances with Cepheid variables - Teresa Sicignano (Scuola Superiore Meridionale - INAF OACN)
13:00 Lunch Break
Lunch Break
13:00 - 14:30
14:30 Day 1 - Afternoon Session
14:30 - 18:00
Contributions

14:30 The Cepheid metallicity dependence & how to measure stellar abundances - Louise Breuval Teresa Sicignano (Scuola Superiore Meridionale - INAF OACN)

16:00 Coffee Break

16:30 Exercises & Notebooks - Louise Breuval Teresa Sicignano (Scuola Superiore Meridionale - INAF OACN)
18:00 Day 1 - Afternoon Session: Reception
Reception
18:00 - 20:00
Tuesday, 26 May 2026
09:30 Day 2 - Morning Session
09:30 - 13:00
Contributions

09:30 Introduction to the Tip of the Red Giant Branch: Theories and Observations - Siyang Li

11:00 Coffee Break

11:30 How to Measure Stars: Methods and Challenges of Photometry - Kayla Owens
13:00 Lunch
Lunch
13:00 - 14:30
14:30 Day 2 - Afternoon Session
14:30 - 18:00
Contributions

14:30 An Overview of TRGB Data Sets for the Data Challenge - Kayla Owens

16:00 Coffee Break

16:30 Measuring Distances to Type Ia Supernova Host Galaxies with the TRGB - Siyang Li
Wednesday, 27 May 2026
09:30 Day 3 - Morning Session
09:30 - 13:00
Contributions

09:30 CosmoVerse Data Challenge TRGB Tutorial - Siyang Li

11:00 Coffee Break

11:30 Type Ia Supernova as a Standardizable Candle - Yukei Murakami
13:00 Group Photo
Group Photo
13:00 - 13:10

13:10 Lunch
Lunch
13:10 - 14:30
14:30 Day 3 - Afternoon Session
14:30 - 18:00
Contributions

14:30 Type Ia Supernova in Distance Ladder + Coding Demo - Yukei Murakami

16:00 Coffee Break

16:30 Wrapping-up - Siyang Li
19:00 Conference Dinner
Conference Dinner
19:00 - 22:00
Thursday, 28 May 2026
09:30 Day 4 - Morning Session
09:30 - 13:00
Contributions

09:30 Systematics in SNe Ia cosmology & Outlook in the Era of LSST, Roman, and Euclid - Yukei Murakami

11:00 Coffee Break

11:30 TBA - Siyang Li
13:00 Lunch Break
Lunch Break
13:00 - 14:30
14:30 Day 4 - Afternoon Session
14:30 - 18:00
Contributions

14:30 Lightning Talks Session

16:00 Free Afternoon
18:00 Day 4 - Afternoon Session: Public talk
Public talk
18:00 - 19:00
Friday, 29 May 2026
09:30 Day 5 - Afternoon Session
09:30 - 13:00
Contributions

09:30 Work on data challenge

11:00 Coffee Break

11:30 Work on data challenge
13:00 Lunch
Lunch
13:00 - 14:30
14:30 Day 5 - Afternoon Session
14:30 - 18:00
Contributions

14:30 Work on data challenge

16:00 Coffee Break

16:30 Work on data challenge