Scope of the
meeting
Welcome to this workshop to explore the boundaries and puzzles in the field of star formation. This is the second incarnation of the Puzzles of Star Formation meeting (PoSFII), where the first edition took place at Ringberg castle in 2021. We do not anticipate the classical meeting where everybody presents and summarizes the most recent results, but rather we would like to dig deeper and decipher the real problems in the field that still need to be solved.
Star
formation is a topic of active research since the seventies and a lot of
progress has certainly been made since then. Nevertheless, there are
still many conceptual issues and central puzzles that are not solved
yet. These include processes and physics related to the origin of
turbulence in the ISM, the formation, evolution and lifetimes of
molecular clouds in the turbulent environment of galaxies, the
condensation of these clouds into stars, multiple systems and stellar
clusters via gravitational collapse and the energetic processes by which
these stars affect their gaseous environment and by this self-regulate
star formation. With this meeting we want to make an attempt to identify
and clarify some of the most pending questions in the field, and to seek
paths to solve them, from a theoretical as well as observational point
of view.
This requires a new workshop style that is not focused primarily on
presentations of most recent insights and successes but, just on the
opposite, about what you think is fascinating but not understood, why it
is important and (if you have an idea) suggestions of how to solve the
puzzle, maybe in a concerted effort. Your task as participant will be to
suggest such questions and lead a subsequent discussion.
Approach
With
an anticipated 40 participants, there is sufficient room for various
forms of discussions. Every participant has a 20min slot where an
important question or puzzle in the field can be introduced and a
discussion be started. In this 20min slot, a maximum of 10min should be
devoted to introduce the topic/question and/or show some initial
results. The remaining part of the time should be dedicated to
discussion. Furthermore, it is possible to "cumulate" slots. Check
out the list of participants below. If you want to introduce/discuss a
question/puzzle with another participant, two or three slots can be
cumulated to 40min or 60min slots. The share of 50% intro/results and
50% discussion should remain.
We
are looking forward to a lively and exciting meeting!
Program
Sunday,
May 4, 2025:
Afternoon and early evening: Arrival at castle
18:30
Dinner
Monday,
May 5, 2025
-------------------------------
Chair:
Eve Ostriker
09:00 - 09:20 Andreas Burkert & Henrik Beuther: Welcome and Introduction
10:20 - 10:50 Coffee break
10:50 - 11:30 Philippe Andre & Michael Mattern: Are star-forming moelcular clouds really hierarchical and scale-free?17:30 Castle tour
18:30 Dinner 09:00 - 09:20 Arshia
Jacob: HI-to-H2 transition
09:20 - 09:40 Alyssa Goodman: How do young stars "leave home,"
and why might that matter?
09:40 - 10:00 Molly Wells: What Secrets Do Accretion Flows Hold
in the Formation of Stars?
10:00 - 10:20 Friedrich Wyrowski: Gas flows from cloud to core
scales
12:30-14:30 Lunch break & discussion sub-groups
Chair: Alison Young
14:30
- 14:50 Peter Schilke: Mapping the diversity of Star Formation
14:50 - 15:10 Chiara Minini: How does infall evolve at different
scales and which tracers to use?
15:10 - 15:30 Sarwar Khan: Early stage of HII regions and
methanol maser
15:30 - 15:50 Simon Reyes: Measuring accretion rates onto
high-mass protostars
Chair:
Steffi Walch
12:30 - 14:00 Lunch
Afterwards:
Departure
List
of participants
Philippe Andre