Notes - Instituto de Astrofísica de Andalucía

Notes - Instituto de Astrofísica de Andalucía Notes - Instituto de Astrofísica de Andalucía

16.01.2014 Views

16:00 Discussion on Scientific Case. • Richard proposed a chart based basically on the physical links between topics, in order to see what or whom were missing. • Molecular clouds: - Who is going to be working in molecular clouds? - Francoise Combes, Edith Falgarone, Ph. Andre, MPE... contact these people, try to involve these groups. (Daniel K. to contact the French) - At several levels: o instrumentation, o observations, o theory • What is the physics behind the chart? - Separate in terms of levels: physics vs. scaling laws - Are we going to start from cloud fragmentation? and internal kinematics of the molecular clouds?

- IMF - Mass loss, Z, (binaries) - Low mass stars? as 2nd order, re. to IMF - Open clusters? If they are young enough and embedded in molecular clouds, - Progenitors of open or globular clusters? • WHAT IS MISSING ARE THE QUESTIONS TO ADDRESS • e.g. Is the mode of SF universal? or - is violent a scaling-up process or something different? - does it depend on environment? - tidal dwarfs? time evolution in string-like behaviour? - what triggers it and what is important? - what is a burst? - what stops/ends it? - are IMF different for violent SF vs. disk SF? - is the stellar birth rate (SFR + IMF) universal? - can we MEASURE the ages of the young components? • There is still evidence that MOST SF occurs in star clusters • What is a definition of ‘violent’ SF? • M * / M gas + feedback strongly influence the subsequent process of SF • What shall we call ourselves? Massive stars and violent star formation? • Ratio between HII and HI (and H 2 ) metallicities. Or, in other words, production and mixing of metals. • Molecular heating, cooling, Z.

16:00 Discussion on Scientific Case.<br />

• Richard proposed a chart based basically on the physical links between topics, in or<strong>de</strong>r<br />

to see what or whom were missing.<br />

• Molecular clouds:<br />

- Who is going to be working in molecular clouds?<br />

- Francoise Combes, Edith Falgarone, Ph. Andre, MPE... contact these people,<br />

try to involve these groups. (Daniel K. to contact the French)<br />

- At several levels:<br />

o instrumentation,<br />

o observations,<br />

o theory<br />

• What is the physics behind the chart?<br />

- Separate in terms of levels: physics vs. scaling laws<br />

- Are we going to start from cloud fragmentation? and internal kinematics of the<br />

molecular clouds?

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