Astro-ph

Rules of the Astro-Ph Game:

1. Astro-ph volunteer speaker gets 5 points

2. Correct answer +2 points

3. Wrong answer +1 point

4. No answer -1 point

5. 25 points gives you home-made cake

LAST ASTRO-PH QUESTIONS

Brian's questions:

  1. HOW MANY GALAXIES L*>0.1L(MW) (BRIGHTER THEN 10% OF THE MILKY WAY LUMINOSITY - L(MW)) ARE IN AVERAGE GALAXY CLUSTER CENTER (within distance of MilkyWay - Andromeda 778±17 kpc )

  2. HOW MANY OF SUCH GALAXIES AT SUCH DISTANCE (778±17 kpc) ARE IN OUR LOCAL GROUP

Pol's question:

    1. WHAT WILL HAPPEN WITH SIMULATED DARK MATTER HALLO IF IN SIMULATIONS ADD TO THE CENTRAL GALAXY OF THE GALAXY GRUP SN FEEDBACK

ANSWERS

  1. 100-150

  2. 4 (MW,Andromeda,M33, LMC)

  3. The same thing as to the satellite galaxy just in smaller scale: DM halo expansion, less cuspy mass density in the center of DM halo etc.

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