January 11, 2016, 7:30PM, University of Victoria, Bob Wright Centre A104 – RASC Victoria Centre’s monthly meeting
“The MASSIVE Galaxy Survey” – Dr. John Blakeslee, NRC Herzberg
The MASSIVE Galaxy Survey is a project to study the structure, internal dynamics, and evolutionary histories of the approximately 100 most massive galaxies visible in the Northern hemisphere out to a distance of about 100 Mpc, or roughly 330 million light years. In this project, we combine 2-D “integral-field spectroscopy” on small (sub-arcsecond) and large (arcminute) scales in order to perform simultaneous dynamical modelling of the central supermassive black hole, stars, and dark matter. We also have an ongoing Hubble program to image a high-priority subsample of the MASSIVE galaxies. The ultimate goals of the survey include understanding variations in dark matter fraction and stellar mass function, the connection between black hole accretion and galaxy growth, and the assembly of galaxy outskirts over cosmic time. I will describe the survey design and observational strategy, as well as present first results on black hole mass measurements, stellar populations, and molecular gas detections in MASSIVE Survey galaxies.
Video of the presentation – Youtube
John Blakeslee is an Astronomer with the NRC Herzberg Astronomy & Astrophysics Programs at the Dominion Astrophysical Observatory in Saanich. He studies galaxies and the large-scale structure of the universe using data from the Hubble Space Telescope and large ground-based observatories. Dr. Blakeslee received his PhD degree from the Massachusetts Institute of Technology and did postdoctoral research at the California Institute of Technology in Pasadena and Durham University in the UK. He then spent five years as a Research Scientist at the Space Telescope Science Institute in Baltimore. He has worked at the DAO for the past nine years.