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SUMMARY:Gaia - the Milky way census - Professor Gerry Gilmore
DTSTART:20190122T193000Z
DTEND:20190122T210000Z
UID:TALK117907@talks.cam.ac.uk
CONTACT:Hannah Sanderson
DESCRIPTION:Astrometry from space has unique advantages over ground-based\
 nobservations: the all-sky coverage\, relatively stable and temperature- a
 nd gravity-invariant operating environment delivers precision\, accuracy a
 nd sample volume several orders of magnitude greater than ground-based res
 ults. Even more importantly\, absolute astrometry is possible. The Europea
 n Space Agency Cornerstone mission Gaia is delivering that promise. \nGaia
  provides 5-D phase space measurements\, 3 spatial coordinates and  two sp
 ace motions in the plane of the sky\,  for a representative sample of the 
 Milky Wayʼs stellar populations (over 1 billion stars\, being ~1% of the 
 stars over 50% of the volume). Full 6-D phase space data is delivered from
  line-of-sight (radial) velocities for the 300million brightest stars. \nT
 hese data make substantial contributions to astrophysics and fundamental p
 hysics on scales from the Solar System to cosmology. A few example results
  will be given.\n\nThe talk will be followed by refreshments outside the l
 ecture theatre.\nThe talk will be at 7:30pm at the usual location of Wolfs
 on lecture theatre in the Department of Chemistry. The entrance is the opp
 osite side of the building to Bristol-Myers-Squibb Lecture theatre and is 
 opposite the car park- shown by the red arrow on the map. "https://map.cam
 .ac.uk/Department+of+Chemistry#52.197964\,0.125242\,18":URL\nTickets are 
 £2 (free for members) and annual membership (£7) and life membership (£
 12) can also be purchased at the event - please bring cash.\n\n
LOCATION:Wolfson Lecture Theatre\, Department of Chemistry
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